You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@beam.apache.org by ta...@apache.org on 2017/08/02 05:09:08 UTC

[45/59] beam git commit: move all implementation classes/packages into impl package

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlCompareExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlCompareExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlCompareExpressionTest.java
deleted file mode 100644
index ed77ffb..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlCompareExpressionTest.java
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.beam.sdk.extensions.sql.interpreter.operator;
-
-import java.util.Arrays;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.comparison.BeamSqlCompareExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.comparison.BeamSqlEqualsExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.comparison.BeamSqlGreaterThanExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.comparison.BeamSqlGreaterThanOrEqualsExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.comparison.BeamSqlLessThanExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.comparison.BeamSqlLessThanOrEqualsExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.comparison.BeamSqlNotEqualsExpression;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Assert;
-import org.junit.Test;
-
-/**
- * Test cases for the collections of {@link BeamSqlCompareExpression}.
- */
-public class BeamSqlCompareExpressionTest extends BeamSqlFnExecutorTestBase {
-
-  @Test
-  public void testEqual() {
-    BeamSqlEqualsExpression exp1 = new BeamSqlEqualsExpression(
-        Arrays.asList(new BeamSqlInputRefExpression(SqlTypeName.BIGINT, 0),
-            BeamSqlPrimitive.of(SqlTypeName.BIGINT, 100L)));
-    Assert.assertEquals(false, exp1.evaluate(record).getValue());
-
-    BeamSqlEqualsExpression exp2 = new BeamSqlEqualsExpression(
-        Arrays.asList(new BeamSqlInputRefExpression(SqlTypeName.BIGINT, 0),
-            BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1234567L)));
-    Assert.assertEquals(true, exp2.evaluate(record).getValue());
-  }
-
-  @Test
-  public void testLargerThan(){
-    BeamSqlGreaterThanExpression exp1 = new BeamSqlGreaterThanExpression(
-        Arrays.asList(new BeamSqlInputRefExpression(SqlTypeName.BIGINT, 0),
-            BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1234567L)));
-    Assert.assertEquals(false, exp1.evaluate(record).getValue());
-
-    BeamSqlGreaterThanExpression exp2 = new BeamSqlGreaterThanExpression(
-        Arrays.asList(new BeamSqlInputRefExpression(SqlTypeName.BIGINT, 0),
-            BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1234566L)));
-    Assert.assertEquals(true, exp2.evaluate(record).getValue());
-  }
-
-  @Test
-  public void testLargerThanEqual(){
-    BeamSqlGreaterThanOrEqualsExpression exp1 = new BeamSqlGreaterThanOrEqualsExpression(
-        Arrays.asList(new BeamSqlInputRefExpression(SqlTypeName.BIGINT, 0),
-            BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1234567L)));
-    Assert.assertEquals(true, exp1.evaluate(record).getValue());
-
-    BeamSqlGreaterThanOrEqualsExpression exp2 = new BeamSqlGreaterThanOrEqualsExpression(
-        Arrays.asList(new BeamSqlInputRefExpression(SqlTypeName.BIGINT, 0),
-            BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1234568L)));
-    Assert.assertEquals(false, exp2.evaluate(record).getValue());
-  }
-
-  @Test
-  public void testLessThan(){
-    BeamSqlLessThanExpression exp1 = new BeamSqlLessThanExpression(
-        Arrays.asList(new BeamSqlInputRefExpression(SqlTypeName.INTEGER, 1),
-            BeamSqlPrimitive.of(SqlTypeName.INTEGER, 1)));
-    Assert.assertEquals(true, exp1.evaluate(record).getValue());
-
-    BeamSqlLessThanExpression exp2 = new BeamSqlLessThanExpression(
-        Arrays.asList(new BeamSqlInputRefExpression(SqlTypeName.INTEGER, 1),
-            BeamSqlPrimitive.of(SqlTypeName.INTEGER, -1)));
-    Assert.assertEquals(false, exp2.evaluate(record).getValue());
-  }
-
-  @Test
-  public void testLessThanEqual(){
-    BeamSqlLessThanOrEqualsExpression exp1 = new BeamSqlLessThanOrEqualsExpression(
-        Arrays.asList(new BeamSqlInputRefExpression(SqlTypeName.DOUBLE, 2),
-            BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 8.9)));
-    Assert.assertEquals(true, exp1.evaluate(record).getValue());
-
-    BeamSqlLessThanOrEqualsExpression exp2 = new BeamSqlLessThanOrEqualsExpression(
-        Arrays.asList(new BeamSqlInputRefExpression(SqlTypeName.DOUBLE, 2),
-            BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 8.0)));
-    Assert.assertEquals(false, exp2.evaluate(record).getValue());
-  }
-
-  @Test
-  public void testNotEqual(){
-    BeamSqlNotEqualsExpression exp1 = new BeamSqlNotEqualsExpression(
-        Arrays.asList(new BeamSqlInputRefExpression(SqlTypeName.BIGINT, 3),
-            BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1234567L)));
-    Assert.assertEquals(false, exp1.evaluate(record).getValue());
-
-    BeamSqlNotEqualsExpression exp2 = new BeamSqlNotEqualsExpression(
-        Arrays.asList(new BeamSqlInputRefExpression(SqlTypeName.BIGINT, 3),
-            BeamSqlPrimitive.of(SqlTypeName.BIGINT, 0L)));
-    Assert.assertEquals(true, exp2.evaluate(record).getValue());
-  }
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlInputRefExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlInputRefExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlInputRefExpressionTest.java
deleted file mode 100644
index 7dc9cc4..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlInputRefExpressionTest.java
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.beam.sdk.extensions.sql.interpreter.operator;
-
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Assert;
-import org.junit.Test;
-
-/**
- * Test cases for {@link BeamSqlInputRefExpression}.
- */
-public class BeamSqlInputRefExpressionTest extends BeamSqlFnExecutorTestBase {
-
-  @Test
-  public void testRefInRange() {
-    BeamSqlInputRefExpression ref0 = new BeamSqlInputRefExpression(SqlTypeName.BIGINT, 0);
-    Assert.assertEquals(record.getLong(0), ref0.evaluate(record).getValue());
-
-    BeamSqlInputRefExpression ref1 = new BeamSqlInputRefExpression(SqlTypeName.INTEGER, 1);
-    Assert.assertEquals(record.getInteger(1), ref1.evaluate(record).getValue());
-
-    BeamSqlInputRefExpression ref2 = new BeamSqlInputRefExpression(SqlTypeName.DOUBLE, 2);
-    Assert.assertEquals(record.getDouble(2), ref2.evaluate(record).getValue());
-
-    BeamSqlInputRefExpression ref3 = new BeamSqlInputRefExpression(SqlTypeName.BIGINT, 3);
-    Assert.assertEquals(record.getLong(3), ref3.evaluate(record).getValue());
-  }
-
-
-  @Test(expected = IndexOutOfBoundsException.class)
-  public void testRefOutOfRange(){
-    BeamSqlInputRefExpression ref = new BeamSqlInputRefExpression(SqlTypeName.BIGINT, 4);
-    ref.evaluate(record).getValue();
-  }
-
-  @Test(expected = IllegalArgumentException.class)
-  public void testTypeUnMatch(){
-    BeamSqlInputRefExpression ref = new BeamSqlInputRefExpression(SqlTypeName.INTEGER, 0);
-    ref.evaluate(record).getValue();
-  }
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlPrimitiveTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlPrimitiveTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlPrimitiveTest.java
deleted file mode 100644
index a1b41ed..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlPrimitiveTest.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.beam.sdk.extensions.sql.interpreter.operator;
-
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Assert;
-import org.junit.Test;
-
-/**
- * Test cases for {@link BeamSqlPrimitive}.
- *
- */
-public class BeamSqlPrimitiveTest extends BeamSqlFnExecutorTestBase {
-
-  @Test
-  public void testPrimitiveInt(){
-    BeamSqlPrimitive<Integer> expInt = BeamSqlPrimitive.of(SqlTypeName.INTEGER, 100);
-    Assert.assertEquals(expInt.getValue(), expInt.evaluate(record).getValue());
-  }
-
-  @Test(expected = IllegalArgumentException.class)
-  public void testPrimitiveTypeUnMatch1(){
-    BeamSqlPrimitive expInt = BeamSqlPrimitive.of(SqlTypeName.INTEGER, 100L);
-    Assert.assertEquals(expInt.getValue(), expInt.evaluate(record).getValue());
-  }
-  @Test(expected = IllegalArgumentException.class)
-  public void testPrimitiveTypeUnMatch2(){
-    BeamSqlPrimitive expInt = BeamSqlPrimitive.of(SqlTypeName.DECIMAL, 100L);
-    Assert.assertEquals(expInt.getValue(), expInt.evaluate(record).getValue());
-  }
-  @Test(expected = IllegalArgumentException.class)
-  public void testPrimitiveTypeUnMatch3(){
-    BeamSqlPrimitive expInt = BeamSqlPrimitive.of(SqlTypeName.FLOAT, 100L);
-    Assert.assertEquals(expInt.getValue(), expInt.evaluate(record).getValue());
-  }
-  @Test(expected = IllegalArgumentException.class)
-  public void testPrimitiveTypeUnMatch4(){
-    BeamSqlPrimitive expInt = BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 100L);
-    Assert.assertEquals(expInt.getValue(), expInt.evaluate(record).getValue());
-  }
-
-
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlReinterpretExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlReinterpretExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlReinterpretExpressionTest.java
deleted file mode 100644
index a48498f..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlReinterpretExpressionTest.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.GregorianCalendar;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Test;
-
-/**
- * Test for {@code BeamSqlReinterpretExpression}.
- */
-public class BeamSqlReinterpretExpressionTest extends BeamSqlFnExecutorTestBase {
-
-  @Test public void accept() throws Exception {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DATE, new Date()));
-    assertTrue(new BeamSqlReinterpretExpression(operands, SqlTypeName.BIGINT).accept());
-
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.TIMESTAMP, new Date()));
-    assertTrue(new BeamSqlReinterpretExpression(operands, SqlTypeName.BIGINT).accept());
-
-    operands.clear();
-    GregorianCalendar calendar = new GregorianCalendar();
-    calendar.setTime(new Date());
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.TIME, calendar));
-    assertTrue(new BeamSqlReinterpretExpression(operands, SqlTypeName.BIGINT).accept());
-
-    // currently only support reinterpret DATE
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "hello"));
-    assertFalse(new BeamSqlReinterpretExpression(operands, SqlTypeName.BIGINT).accept());
-
-    // currently only support convert to BIGINT
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.TIME, calendar));
-    assertFalse(new BeamSqlReinterpretExpression(operands, SqlTypeName.TINYINT).accept());
-  }
-
-  @Test public void evaluate() throws Exception {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    Date d = new Date();
-    d.setTime(1000);
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DATE, d));
-    assertEquals(1000L, new BeamSqlReinterpretExpression(operands, SqlTypeName.BIGINT)
-        .evaluate(record).getValue());
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlUdfExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlUdfExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlUdfExpressionTest.java
deleted file mode 100644
index 2311958..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/BeamSqlUdfExpressionTest.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.beam.sdk.extensions.sql.interpreter.operator;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Assert;
-import org.junit.Test;
-
-/**
- * Test for BeamSqlUdfExpression.
- */
-public class BeamSqlUdfExpressionTest extends BeamSqlFnExecutorTestBase {
-
-  @Test
-  public void testUdf() throws NoSuchMethodException, SecurityException {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 10));
-
-    BeamSqlUdfExpression exp = new BeamSqlUdfExpression(
-        UdfFn.class.getMethod("negative", Integer.class), operands, SqlTypeName.INTEGER);
-
-    Assert.assertEquals(-10, exp.evaluate(record).getValue());
-  }
-
-  /**
-   * UDF example.
-   */
-  public static final class UdfFn {
-    public static int negative(Integer number) {
-      return number == null ? 0 : 0 - number;
-    }
-  }
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/arithmetic/BeamSqlArithmeticExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/arithmetic/BeamSqlArithmeticExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/arithmetic/BeamSqlArithmeticExpressionTest.java
deleted file mode 100644
index b3ae3f6..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/arithmetic/BeamSqlArithmeticExpressionTest.java
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.arithmetic;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlPrimitive;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Test;
-
-/**
- * Tests for {@code BeamSqlArithmeticExpression}.
- */
-public class BeamSqlArithmeticExpressionTest extends BeamSqlFnExecutorTestBase {
-
-  @Test public void testAccept_normal() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // byte, short
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.TINYINT, Byte.valueOf("1")));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.MAX_VALUE));
-    assertTrue(new BeamSqlPlusExpression(operands).accept());
-
-    // integer, long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 1));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertTrue(new BeamSqlPlusExpression(operands).accept());
-
-    // float, double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.FLOAT, 1.1F));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 1.1));
-    assertTrue(new BeamSqlPlusExpression(operands).accept());
-
-    // varchar
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.FLOAT, 1.1F));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "1"));
-    assertFalse(new BeamSqlPlusExpression(operands).accept());
-  }
-
-  @Test public void testAccept_exception() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // more than 2 operands
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.TINYINT, Byte.valueOf("1")));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.MAX_VALUE));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.MAX_VALUE));
-    assertFalse(new BeamSqlPlusExpression(operands).accept());
-
-    // boolean
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.TINYINT, Byte.valueOf("1")));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BOOLEAN, true));
-    assertFalse(new BeamSqlPlusExpression(operands).accept());
-  }
-
-  @Test public void testPlus() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // integer + integer => integer
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 1));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 1));
-    assertEquals(2, new BeamSqlPlusExpression(operands).evaluate(record).getValue());
-
-    // integer + long => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 1));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(2L, new BeamSqlPlusExpression(operands).evaluate(record).getValue());
-
-    // long + long => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(2L, new BeamSqlPlusExpression(operands).evaluate(record).getValue());
-
-    // float + long => float
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.FLOAT, 1.1F));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(Float.valueOf(1.1F + 1),
-        new BeamSqlPlusExpression(operands).evaluate(record).getValue());
-
-    // double + long => double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 1.1));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(2.1, new BeamSqlPlusExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testMinus() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // integer + integer => long
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 1));
-    assertEquals(1, new BeamSqlMinusExpression(operands).evaluate(record).getValue());
-
-    // integer + long => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(1L, new BeamSqlMinusExpression(operands).evaluate(record).getValue());
-
-    // long + long => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 2L));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(1L, new BeamSqlMinusExpression(operands).evaluate(record).getValue());
-
-    // float + long => double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.FLOAT, 2.1F));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(2.1F - 1L,
-        new BeamSqlMinusExpression(operands).evaluate(record).getValue().floatValue(), 0.1);
-
-    // double + long => double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.1));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(1.1, new BeamSqlMinusExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testMultiply() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // integer + integer => integer
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 1));
-    assertEquals(2, new BeamSqlMultiplyExpression(operands).evaluate(record).getValue());
-
-    // integer + long => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(2L, new BeamSqlMultiplyExpression(operands).evaluate(record).getValue());
-
-    // long + long => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 2L));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(2L, new BeamSqlMultiplyExpression(operands).evaluate(record).getValue());
-
-    // float + long => double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.FLOAT, 2.1F));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(Float.valueOf(2.1F * 1L),
-        new BeamSqlMultiplyExpression(operands).evaluate(record).getValue());
-
-    // double + long => double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.1));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(2.1, new BeamSqlMultiplyExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testDivide() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // integer + integer => integer
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 1));
-    assertEquals(2, new BeamSqlDivideExpression(operands).evaluate(record).getValue());
-
-    // integer + long => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(2L, new BeamSqlDivideExpression(operands).evaluate(record).getValue());
-
-    // long + long => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 2L));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(2L, new BeamSqlDivideExpression(operands).evaluate(record).getValue());
-
-    // float + long => double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.FLOAT, 2.1F));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(2.1F / 1,
-        new BeamSqlDivideExpression(operands).evaluate(record).getValue());
-
-    // double + long => double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.1));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    assertEquals(2.1, new BeamSqlDivideExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testMod() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // integer + integer => long
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 3));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    assertEquals(1, new BeamSqlModExpression(operands).evaluate(record).getValue());
-
-    // integer + long => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 3));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 2L));
-    assertEquals(1L, new BeamSqlModExpression(operands).evaluate(record).getValue());
-
-    // long + long => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 3L));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 2L));
-    assertEquals(1L, new BeamSqlModExpression(operands).evaluate(record).getValue());
-  }
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlCurrentDateExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlCurrentDateExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlCurrentDateExpressionTest.java
deleted file mode 100644
index 1fe7a21..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlCurrentDateExpressionTest.java
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.date;
-
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Assert;
-import org.junit.Test;
-
-/**
- * Test for BeamSqlCurrentDateExpression.
- */
-public class BeamSqlCurrentDateExpressionTest extends BeamSqlDateExpressionTestBase {
-  @Test
-  public void test() {
-    Assert.assertEquals(
-        SqlTypeName.DATE,
-        new BeamSqlCurrentDateExpression()
-            .evaluate(BeamSqlFnExecutorTestBase.record).getOutputType()
-    );
-  }
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlCurrentTimeExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlCurrentTimeExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlCurrentTimeExpressionTest.java
deleted file mode 100644
index ca79635..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlCurrentTimeExpressionTest.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.date;
-
-import static org.junit.Assert.assertEquals;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Test;
-
-/**
- * Test for BeamSqlLocalTimeExpression.
- */
-public class BeamSqlCurrentTimeExpressionTest extends BeamSqlDateExpressionTestBase {
-  @Test
-  public void test() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-    assertEquals(SqlTypeName.TIME,
-        new BeamSqlCurrentTimeExpression(operands).evaluate(record).getOutputType());
-  }
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlCurrentTimestampExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlCurrentTimestampExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlCurrentTimestampExpressionTest.java
deleted file mode 100644
index bac8809..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlCurrentTimestampExpressionTest.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.date;
-
-import static org.junit.Assert.assertEquals;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Test;
-
-/**
- * Test for BeamSqlLocalTimestampExpression.
- */
-public class BeamSqlCurrentTimestampExpressionTest extends BeamSqlDateExpressionTestBase {
-  @Test
-  public void test() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-    assertEquals(SqlTypeName.TIMESTAMP,
-        new BeamSqlCurrentTimestampExpression(operands).evaluate(record).getOutputType());
-  }
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlDateCeilExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlDateCeilExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlDateCeilExpressionTest.java
deleted file mode 100644
index ef675cd..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlDateCeilExpressionTest.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.date;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlPrimitive;
-import org.apache.calcite.avatica.util.TimeUnitRange;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Assert;
-import org.junit.Test;
-
-/**
- * Test for {@code BeamSqlDateCeilExpression}.
- */
-public class BeamSqlDateCeilExpressionTest extends BeamSqlDateExpressionTestBase {
-  @Test public void evaluate() throws Exception {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DATE,
-        str2DateTime("2017-05-22 09:10:11")));
-    // YEAR
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SYMBOL, TimeUnitRange.YEAR));
-    Assert.assertEquals(str2DateTime("2018-01-01 00:00:00"),
-        new BeamSqlDateCeilExpression(operands)
-            .evaluate(BeamSqlFnExecutorTestBase.record).getDate());
-
-    operands.set(1, BeamSqlPrimitive.of(SqlTypeName.SYMBOL, TimeUnitRange.MONTH));
-    Assert.assertEquals(str2DateTime("2017-06-01 00:00:00"),
-        new BeamSqlDateCeilExpression(operands)
-            .evaluate(BeamSqlFnExecutorTestBase.record).getDate());
-  }
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlDateExpressionTestBase.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlDateExpressionTestBase.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlDateExpressionTestBase.java
deleted file mode 100644
index 1ec6c25..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlDateExpressionTestBase.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.date;
-
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.TimeZone;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-
-/**
- * Base class for all date related expression test.
- */
-public class BeamSqlDateExpressionTestBase extends BeamSqlFnExecutorTestBase {
-  protected long str2LongTime(String dateStr) {
-    SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
-    try {
-      Date date = format.parse(dateStr);
-      return date.getTime();
-    } catch (ParseException e) {
-      throw new RuntimeException(e);
-    }
-  }
-
-  protected Date str2DateTime(String dateStr) {
-    SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
-    try {
-      format.setTimeZone(TimeZone.getTimeZone("GMT"));
-      Date date = format.parse(dateStr);
-      return date;
-    } catch (ParseException e) {
-      throw new RuntimeException(e);
-    }
-  }
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlDateFloorExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlDateFloorExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlDateFloorExpressionTest.java
deleted file mode 100644
index 0cb2e73..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlDateFloorExpressionTest.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.date;
-
-import static org.junit.Assert.assertEquals;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlPrimitive;
-import org.apache.calcite.avatica.util.TimeUnitRange;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Test;
-
-/**
- * Test for {@code BeamSqlDateFloorExpression}.
- */
-public class BeamSqlDateFloorExpressionTest extends BeamSqlDateExpressionTestBase {
-  @Test public void evaluate() throws Exception {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DATE,
-        str2DateTime("2017-05-22 09:10:11")));
-    // YEAR
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SYMBOL, TimeUnitRange.YEAR));
-    assertEquals(str2DateTime("2017-01-01 00:00:00"),
-        new BeamSqlDateFloorExpression(operands).evaluate(record).getDate());
-    // MONTH
-    operands.set(1, BeamSqlPrimitive.of(SqlTypeName.SYMBOL, TimeUnitRange.MONTH));
-    assertEquals(str2DateTime("2017-05-01 00:00:00"),
-        new BeamSqlDateFloorExpression(operands).evaluate(record).getDate());
-
-  }
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlExtractExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlExtractExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlExtractExpressionTest.java
deleted file mode 100644
index 6d1dc28..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/date/BeamSqlExtractExpressionTest.java
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.date;
-
-import static org.junit.Assert.assertEquals;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlPrimitive;
-import org.apache.calcite.avatica.util.TimeUnitRange;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Test;
-
-/**
- * Test for {@code BeamSqlExtractExpression}.
- */
-public class BeamSqlExtractExpressionTest extends BeamSqlDateExpressionTestBase {
-  @Test public void evaluate() throws Exception {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-    long time = str2LongTime("2017-05-22 16:17:18");
-
-    // YEAR
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SYMBOL, TimeUnitRange.YEAR));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT,
-        time));
-    assertEquals(2017L,
-        new BeamSqlExtractExpression(operands)
-            .evaluate(BeamSqlFnExecutorTestBase.record).getValue());
-
-    // MONTH
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SYMBOL, TimeUnitRange.MONTH));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT,
-        time));
-    assertEquals(5L,
-        new BeamSqlExtractExpression(operands)
-            .evaluate(BeamSqlFnExecutorTestBase.record).getValue());
-
-    // DAY
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SYMBOL, TimeUnitRange.DAY));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT,
-        time));
-    assertEquals(22L,
-        new BeamSqlExtractExpression(operands)
-            .evaluate(BeamSqlFnExecutorTestBase.record).getValue());
-
-    // DAY_OF_WEEK
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SYMBOL, TimeUnitRange.DOW));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT,
-        time));
-    assertEquals(2L,
-        new BeamSqlExtractExpression(operands)
-            .evaluate(BeamSqlFnExecutorTestBase.record).getValue());
-
-    // DAY_OF_YEAR
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SYMBOL, TimeUnitRange.DOY));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT,
-        time));
-    assertEquals(142L,
-        new BeamSqlExtractExpression(operands)
-            .evaluate(BeamSqlFnExecutorTestBase.record).getValue());
-
-    // WEEK
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SYMBOL, TimeUnitRange.WEEK));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT,
-        time));
-    assertEquals(21L,
-        new BeamSqlExtractExpression(operands)
-            .evaluate(BeamSqlFnExecutorTestBase.record).getValue());
-
-    // QUARTER
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SYMBOL, TimeUnitRange.QUARTER));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT,
-        time));
-    assertEquals(2L,
-        new BeamSqlExtractExpression(operands)
-            .evaluate(BeamSqlFnExecutorTestBase.record).getValue());
-
-  }
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/logical/BeamSqlNotExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/logical/BeamSqlNotExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/logical/BeamSqlNotExpressionTest.java
deleted file mode 100644
index 050138d..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/logical/BeamSqlNotExpressionTest.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.logical;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlPrimitive;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Assert;
-import org.junit.Test;
-
-/**
- * Test for {@code BeamSqlNotExpression}.
- */
-public class BeamSqlNotExpressionTest extends BeamSqlFnExecutorTestBase {
-  @Test public void evaluate() throws Exception {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BOOLEAN, false));
-    Assert.assertTrue(new BeamSqlNotExpression(operands).evaluate(record).getBoolean());
-
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BOOLEAN, true));
-    Assert.assertFalse(new BeamSqlNotExpression(operands).evaluate(record).getBoolean());
-
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BOOLEAN, null));
-    Assert.assertNull(new BeamSqlNotExpression(operands).evaluate(record).getValue());
-  }
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/math/BeamSqlMathBinaryExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/math/BeamSqlMathBinaryExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/math/BeamSqlMathBinaryExpressionTest.java
deleted file mode 100644
index 1049632..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/math/BeamSqlMathBinaryExpressionTest.java
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.math;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlInputRefExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlPrimitive;
-import org.apache.calcite.runtime.SqlFunctions;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Assert;
-import org.junit.Test;
-
-/**
- * Test for {@link BeamSqlMathBinaryExpression}.
- */
-public class BeamSqlMathBinaryExpressionTest extends BeamSqlFnExecutorTestBase {
-
-  @Test public void testForGreaterThanTwoOperands() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // operands more than 2 not allowed
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 4));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 5));
-    Assert.assertFalse(new BeamSqlRoundExpression(operands).accept());
-  }
-
-  @Test public void testForOneOperand() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // only one operand allowed in round function
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-  }
-
-  @Test public void testForOperandsType() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // varchar operand not allowed
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "2"));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 4));
-    Assert.assertFalse(new BeamSqlRoundExpression(operands).accept());
-  }
-
-  @Test public void testRoundFunction() {
-    // test round functions with operands of type bigint, int,
-    // tinyint, smallint, double, decimal
-    List<BeamSqlExpression> operands = new ArrayList<>();
-    // round(double, double) => double
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.0));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 4.0));
-    Assert.assertEquals(2.0, new BeamSqlRoundExpression(operands).evaluate(record).getValue());
-    // round(integer,integer) => integer
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    Assert.assertEquals(2, new BeamSqlRoundExpression(operands).evaluate(record).getValue());
-
-    // round(long,long) => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 5L));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 3L));
-    Assert.assertEquals(5L, new BeamSqlRoundExpression(operands).evaluate(record).getValue());
-
-    // round(short) => short
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, new Short("4")));
-    Assert.assertEquals(SqlFunctions.toShort(4),
-        new BeamSqlRoundExpression(operands).evaluate(record).getValue());
-
-    // round(long,long) => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 2L));
-    Assert.assertEquals(2L, new BeamSqlRoundExpression(operands).evaluate(record).getValue());
-
-    // round(double, long) => double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 1.1));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    Assert.assertEquals(1.1, new BeamSqlRoundExpression(operands).evaluate(record).getValue());
-
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.368768));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    Assert.assertEquals(2.37, new BeamSqlRoundExpression(operands).evaluate(record).getValue());
-
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 3.78683686458));
-    Assert.assertEquals(4.0, new BeamSqlRoundExpression(operands).evaluate(record).getValue());
-
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 378.683686458));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, -2));
-    Assert.assertEquals(400.0, new BeamSqlRoundExpression(operands).evaluate(record).getValue());
-
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 378.683686458));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, -1));
-    Assert.assertEquals(380.0, new BeamSqlRoundExpression(operands).evaluate(record).getValue());
-
-    // round(integer, double) => integer
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.2));
-    Assert.assertEquals(2, new BeamSqlRoundExpression(operands).evaluate(record).getValue());
-
-    // operand with a BeamSqlInputRefExpression
-    // to select a column value from row of a record
-    operands.clear();
-    BeamSqlInputRefExpression ref0 = new BeamSqlInputRefExpression(SqlTypeName.BIGINT, 0);
-    operands.add(ref0);
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 2L));
-
-    Assert.assertEquals(1234567L, new BeamSqlRoundExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testPowerFunction() {
-    // test power functions with operands of type bigint, int,
-    // tinyint, smallint, double, decimal
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.0));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 4.0));
-    Assert.assertEquals(16.0, new BeamSqlPowerExpression(operands).evaluate(record).getValue());
-    // power(integer,integer) => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    Assert.assertEquals(4.0, new BeamSqlPowerExpression(operands).evaluate(record).getValue());
-    // power(integer,long) => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 3L));
-    Assert.assertEquals(8.0, new BeamSqlPowerExpression(operands).evaluate(record).getValue());
-
-    // power(long,long) => long
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 2L));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 2L));
-    Assert.assertEquals(4.0, new BeamSqlPowerExpression(operands).evaluate(record).getValue());
-
-    // power(double, int) => double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 1.1));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 1));
-    Assert.assertEquals(1.1, new BeamSqlPowerExpression(operands).evaluate(record).getValue());
-
-    // power(double, long) => double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 1.1));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, 1L));
-    Assert.assertEquals(1.1, new BeamSqlPowerExpression(operands).evaluate(record).getValue());
-
-    // power(integer, double) => double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.2));
-    Assert.assertEquals(Math.pow(2, 2.2),
-        new BeamSqlPowerExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForTruncate() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.0));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 4.0));
-    Assert.assertEquals(2.0, new BeamSqlTruncateExpression(operands).evaluate(record).getValue());
-    // truncate(double, integer) => double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.80685));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 4));
-    Assert.assertEquals(2.8068,
-        new BeamSqlTruncateExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForAtan2() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 0.875));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 0.56));
-    Assert.assertEquals(Math.atan2(0.875, 0.56),
-        new BeamSqlAtan2Expression(operands).evaluate(record).getValue());
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/math/BeamSqlMathUnaryExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/math/BeamSqlMathUnaryExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/math/BeamSqlMathUnaryExpressionTest.java
deleted file mode 100644
index 2fbd0d2..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/math/BeamSqlMathUnaryExpressionTest.java
+++ /dev/null
@@ -1,309 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.math;
-
-import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlPrimitive;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Assert;
-import org.junit.Test;
-
-/**
- * Test for {@link BeamSqlMathUnaryExpression}.
- */
-public class BeamSqlMathUnaryExpressionTest extends BeamSqlFnExecutorTestBase {
-
-  @Test public void testForGreaterThanOneOperands() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // operands more than 1 not allowed
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 2));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 4));
-    Assert.assertFalse(new BeamSqlAbsExpression(operands).accept());
-  }
-
-  @Test public void testForOperandsType() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // varchar operand not allowed
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "2"));
-    Assert.assertFalse(new BeamSqlAbsExpression(operands).accept());
-  }
-
-  @Test public void testForUnaryExpressions() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for sqrt function
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.valueOf("2")));
-
-    // test for abs function
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.BIGINT, -28965734597L));
-    Assert
-        .assertEquals(28965734597L, new BeamSqlAbsExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForLnExpression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for LN function with operand type smallint
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.valueOf("2")));
-    Assert.assertEquals(Math.log(2), new BeamSqlLnExpression(operands).evaluate(record).getValue());
-
-    // test for LN function with operand type double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.4));
-    Assert
-        .assertEquals(Math.log(2.4), new BeamSqlLnExpression(operands).evaluate(record).getValue());
-    // test for LN function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(2.56)));
-    Assert.assertEquals(Math.log(2.56),
-        new BeamSqlLnExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForLog10Expression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for log10 function with operand type smallint
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.valueOf("2")));
-    Assert.assertEquals(Math.log10(2),
-        new BeamSqlLogExpression(operands).evaluate(record).getValue());
-    // test for log10 function with operand type double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.4));
-    Assert.assertEquals(Math.log10(2.4),
-        new BeamSqlLogExpression(operands).evaluate(record).getValue());
-    // test for log10 function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(2.56)));
-    Assert.assertEquals(Math.log10(2.56),
-        new BeamSqlLogExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForExpExpression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for exp function with operand type smallint
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.valueOf("2")));
-    Assert
-        .assertEquals(Math.exp(2), new BeamSqlExpExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.4));
-    Assert.assertEquals(Math.exp(2.4),
-        new BeamSqlExpExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(2.56)));
-    Assert.assertEquals(Math.exp(2.56),
-        new BeamSqlExpExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForAcosExpression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for exp function with operand type smallint
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.valueOf("2")));
-    Assert
-        .assertEquals(Double.NaN, new BeamSqlAcosExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 0.45));
-    Assert.assertEquals(Math.acos(0.45),
-        new BeamSqlAcosExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(-0.367)));
-    Assert.assertEquals(Math.acos(-0.367),
-        new BeamSqlAcosExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForAsinExpression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for exp function with operand type double
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 0.45));
-    Assert.assertEquals(Math.asin(0.45),
-        new BeamSqlAsinExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(-0.367)));
-    Assert.assertEquals(Math.asin(-0.367),
-        new BeamSqlAsinExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForAtanExpression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for exp function with operand type double
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 0.45));
-    Assert.assertEquals(Math.atan(0.45),
-        new BeamSqlAtanExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(-0.367)));
-    Assert.assertEquals(Math.atan(-0.367),
-        new BeamSqlAtanExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForCosExpression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for exp function with operand type double
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 0.45));
-    Assert.assertEquals(Math.cos(0.45),
-        new BeamSqlCosExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(-0.367)));
-    Assert.assertEquals(Math.cos(-0.367),
-        new BeamSqlCosExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForCotExpression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for exp function with operand type double
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, .45));
-    Assert.assertEquals(1.0d / Math.tan(0.45),
-        new BeamSqlCotExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(-.367)));
-    Assert.assertEquals(1.0d / Math.tan(-0.367),
-        new BeamSqlCotExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForDegreesExpression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for exp function with operand type smallint
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.valueOf("2")));
-    Assert.assertEquals(Math.toDegrees(2),
-        new BeamSqlDegreesExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.4));
-    Assert.assertEquals(Math.toDegrees(2.4),
-        new BeamSqlDegreesExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(2.56)));
-    Assert.assertEquals(Math.toDegrees(2.56),
-        new BeamSqlDegreesExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForRadiansExpression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for exp function with operand type smallint
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.valueOf("2")));
-    Assert.assertEquals(Math.toRadians(2),
-        new BeamSqlRadiansExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.4));
-    Assert.assertEquals(Math.toRadians(2.4),
-        new BeamSqlRadiansExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(2.56)));
-    Assert.assertEquals(Math.toRadians(2.56),
-        new BeamSqlRadiansExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForSinExpression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for exp function with operand type smallint
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.valueOf("2")));
-    Assert
-        .assertEquals(Math.sin(2), new BeamSqlSinExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.4));
-    Assert.assertEquals(Math.sin(2.4),
-        new BeamSqlSinExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(2.56)));
-    Assert.assertEquals(Math.sin(2.56),
-        new BeamSqlSinExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForTanExpression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for exp function with operand type smallint
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.valueOf("2")));
-    Assert
-        .assertEquals(Math.tan(2), new BeamSqlTanExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.4));
-    Assert.assertEquals(Math.tan(2.4),
-        new BeamSqlTanExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(2.56)));
-    Assert.assertEquals(Math.tan(2.56),
-        new BeamSqlTanExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForSignExpression() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    // test for exp function with operand type smallint
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.SMALLINT, Short.valueOf("2")));
-    Assert.assertEquals((short) 1, new BeamSqlSignExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type double
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.4));
-    Assert.assertEquals(1.0, new BeamSqlSignExpression(operands).evaluate(record).getValue());
-    // test for exp function with operand type decimal
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DECIMAL, BigDecimal.valueOf(2.56)));
-    Assert.assertEquals(BigDecimal.ONE,
-        new BeamSqlSignExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForPi() {
-    Assert.assertEquals(Math.PI, new BeamSqlPiExpression().evaluate(record).getValue());
-  }
-
-  @Test public void testForCeil() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.68687979));
-    Assert.assertEquals(Math.ceil(2.68687979),
-        new BeamSqlCeilExpression(operands).evaluate(record).getValue());
-  }
-
-  @Test public void testForFloor() {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.DOUBLE, 2.68687979));
-    Assert.assertEquals(Math.floor(2.68687979),
-        new BeamSqlFloorExpression(operands).evaluate(record).getValue());
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlCharLengthExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlCharLengthExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlCharLengthExpressionTest.java
deleted file mode 100644
index fe3b21f..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlCharLengthExpressionTest.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.string;
-
-import static org.junit.Assert.assertEquals;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlPrimitive;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Test;
-
-/**
- * Test for BeamSqlCharLengthExpression.
- */
-public class BeamSqlCharLengthExpressionTest extends BeamSqlFnExecutorTestBase {
-
-  @Test public void evaluate() throws Exception {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "hello"));
-    assertEquals(5,
-        new BeamSqlCharLengthExpression(operands).evaluate(record).getValue());
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlConcatExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlConcatExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlConcatExpressionTest.java
deleted file mode 100644
index a6f9500..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlConcatExpressionTest.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.string;
-
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlPrimitive;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Assert;
-import org.junit.Test;
-
-/**
- * Test for BeamSqlConcatExpression.
- */
-public class BeamSqlConcatExpressionTest extends BeamSqlFnExecutorTestBase {
-
-  @Test public void accept() throws Exception {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "hello"));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "world"));
-    assertTrue(new BeamSqlConcatExpression(operands).accept());
-
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.INTEGER, 1));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "world"));
-    assertFalse(new BeamSqlConcatExpression(operands).accept());
-
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "hello"));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "world"));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "hello"));
-    assertFalse(new BeamSqlConcatExpression(operands).accept());
-  }
-
-  @Test public void evaluate() throws Exception {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "hello"));
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, " world"));
-    Assert.assertEquals("hello world",
-        new BeamSqlConcatExpression(operands).evaluate(record).getValue());
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlInitCapExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlInitCapExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlInitCapExpressionTest.java
deleted file mode 100644
index 4602a9b..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlInitCapExpressionTest.java
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.string;
-
-import static org.junit.Assert.assertEquals;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlPrimitive;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Test;
-
-/**
- * Test of BeamSqlInitCapExpression.
- */
-public class BeamSqlInitCapExpressionTest extends BeamSqlFnExecutorTestBase {
-
-  @Test public void evaluate() throws Exception {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "hello world"));
-    assertEquals("Hello World",
-        new BeamSqlInitCapExpression(operands).evaluate(record).getValue());
-
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "hEllO wOrld"));
-    assertEquals("Hello World",
-        new BeamSqlInitCapExpression(operands).evaluate(record).getValue());
-
-    operands.clear();
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "hello     world"));
-    assertEquals("Hello     World",
-        new BeamSqlInitCapExpression(operands).evaluate(record).getValue());
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/beam/blob/febd044a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlLowerExpressionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlLowerExpressionTest.java b/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlLowerExpressionTest.java
deleted file mode 100644
index 136840a..0000000
--- a/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/interpreter/operator/string/BeamSqlLowerExpressionTest.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.beam.sdk.extensions.sql.interpreter.operator.string;
-
-import static org.junit.Assert.assertEquals;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.beam.sdk.extensions.sql.interpreter.BeamSqlFnExecutorTestBase;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlExpression;
-import org.apache.beam.sdk.extensions.sql.interpreter.operator.BeamSqlPrimitive;
-import org.apache.calcite.sql.type.SqlTypeName;
-import org.junit.Test;
-
-/**
- * Test of BeamSqlLowerExpression.
- */
-public class BeamSqlLowerExpressionTest extends BeamSqlFnExecutorTestBase {
-
-  @Test public void evaluate() throws Exception {
-    List<BeamSqlExpression> operands = new ArrayList<>();
-
-    operands.add(BeamSqlPrimitive.of(SqlTypeName.VARCHAR, "HELLO"));
-    assertEquals("hello",
-        new BeamSqlLowerExpression(operands).evaluate(record).getValue());
-  }
-
-}