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Posted to commits@phoenix.apache.org by gr...@apache.org on 2014/12/03 17:36:10 UTC

[2/2] phoenix git commit: PHOENIX-1485 Correct arg count in FunctionParseNode

PHOENIX-1485 Correct arg count in FunctionParseNode

Correct the counting of required parameters for a function.


Project: http://git-wip-us.apache.org/repos/asf/phoenix/repo
Commit: http://git-wip-us.apache.org/repos/asf/phoenix/commit/cdcbcf21
Tree: http://git-wip-us.apache.org/repos/asf/phoenix/tree/cdcbcf21
Diff: http://git-wip-us.apache.org/repos/asf/phoenix/diff/cdcbcf21

Branch: refs/heads/3.2
Commit: cdcbcf21815df293f68c9df85928be8cf29ed36e
Parents: 5911b4a
Author: Gabriel Reid <gr...@apache.org>
Authored: Tue Dec 2 22:58:51 2014 +0100
Committer: Gabriel Reid <ga...@ngdata.com>
Committed: Wed Dec 3 17:32:41 2014 +0100

----------------------------------------------------------------------
 .../apache/phoenix/parse/FunctionParseNode.java |   4 +-
 .../phoenix/parse/BuiltInFunctionInfoTest.java  | 121 +++++++++++++++++++
 2 files changed, 123 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/phoenix/blob/cdcbcf21/phoenix-core/src/main/java/org/apache/phoenix/parse/FunctionParseNode.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/main/java/org/apache/phoenix/parse/FunctionParseNode.java b/phoenix-core/src/main/java/org/apache/phoenix/parse/FunctionParseNode.java
index ea8c1fb..de1d7bb 100644
--- a/phoenix-core/src/main/java/org/apache/phoenix/parse/FunctionParseNode.java
+++ b/phoenix-core/src/main/java/org/apache/phoenix/parse/FunctionParseNode.java
@@ -290,8 +290,8 @@ public class FunctionParseNode extends CompoundParseNode {
             int requiredArgCount = 0;
             for (int i = 0; i < args.length; i++) {
                 this.args[i] = new BuiltInFunctionArgInfo(d.args()[i]);
-                if (requiredArgCount < i && this.args[i].getDefaultValue() != null) {
-                    requiredArgCount = i;
+                if (this.args[i].getDefaultValue() == null) {
+                    requiredArgCount = i + 1;
                 }
             }
             this.requiredArgCount = requiredArgCount;

http://git-wip-us.apache.org/repos/asf/phoenix/blob/cdcbcf21/phoenix-core/src/test/java/org/apache/phoenix/parse/BuiltInFunctionInfoTest.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/test/java/org/apache/phoenix/parse/BuiltInFunctionInfoTest.java b/phoenix-core/src/test/java/org/apache/phoenix/parse/BuiltInFunctionInfoTest.java
new file mode 100644
index 0000000..c5957d6
--- /dev/null
+++ b/phoenix-core/src/test/java/org/apache/phoenix/parse/BuiltInFunctionInfoTest.java
@@ -0,0 +1,121 @@
+/*
+ * 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.phoenix.parse;
+
+import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
+import org.apache.phoenix.expression.Expression;
+import org.apache.phoenix.expression.function.FunctionExpression;
+import org.apache.phoenix.schema.PDataType;
+import org.apache.phoenix.schema.tuple.Tuple;
+import org.junit.Test;
+
+import java.util.List;
+
+import static org.apache.phoenix.parse.FunctionParseNode.BuiltInFunctionInfo;
+import static org.apache.phoenix.parse.FunctionParseNode.BuiltInFunction;
+import static org.apache.phoenix.parse.FunctionParseNode.Argument;
+import static org.junit.Assert.assertEquals;
+
+public class BuiltInFunctionInfoTest {
+
+    private static BuiltInFunctionInfo getBuiltInFunctionInfo(Class<? extends FunctionExpression> funcClass) {
+        return new BuiltInFunctionInfo(funcClass, funcClass.getAnnotation(BuiltInFunction.class));
+    }
+
+    @Test
+    public void testConstruct_NoDefaultArgs() {
+        BuiltInFunctionInfo funcInfo = getBuiltInFunctionInfo(NoDefaultArgsFunction.class);
+        assertEquals(2, funcInfo.getArgs().length);
+        assertEquals(2, funcInfo.getRequiredArgCount());
+        assertEquals("NO_DEFAULT_ARGS", funcInfo.getName());
+    }
+
+    @Test
+    public void testConstruct_WithOneDefaultArg() {
+        BuiltInFunctionInfo funcInfo = getBuiltInFunctionInfo(WithOneDefaultArg.class);
+        assertEquals(3, funcInfo.getArgs().length);
+        assertEquals(2, funcInfo.getRequiredArgCount());
+        assertEquals("WITH_ONE_DEFAULT_ARG", funcInfo.getName());
+    }
+
+    @Test
+    public void testConstruct_WithMultipleDefaultArgs() {
+        BuiltInFunctionInfo funcInfo = getBuiltInFunctionInfo(WithMultipleDefaultArgs.class);
+        assertEquals(3, funcInfo.getArgs().length);
+        assertEquals(1, funcInfo.getRequiredArgCount());
+        assertEquals("WITH_MULTIPLE_DEFAULT_ARGS", funcInfo.getName());
+    }
+
+    private static class BaseFunctionAdapter extends FunctionExpression {
+
+
+        private final String name;
+
+        BaseFunctionAdapter(String name) {
+            this.name = name;
+        }
+
+        @Override
+        public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
+            throw new UnsupportedOperationException("Can't evalulate a BaseTestFunction");
+        }
+
+        @Override
+        public PDataType getDataType() {
+            return PDataType.VARCHAR;
+        }
+
+        @Override
+        public String getName() {
+            return name;
+        }
+    }
+
+    @BuiltInFunction(name="NO_DEFAULT_ARGS", args={
+            @Argument(allowedTypes={PDataType.VARCHAR}),
+            @Argument(allowedTypes={PDataType.VARCHAR})})
+    static class NoDefaultArgsFunction extends BaseFunctionAdapter {
+
+        public NoDefaultArgsFunction(List<Expression> ignoreChildren) {
+            super("NO_DEFAULT_ARGS");
+        }
+
+    }
+
+    @BuiltInFunction(name="WITH_ONE_DEFAULT_ARG", args={
+            @Argument(allowedTypes={PDataType.VARCHAR}),
+            @Argument(allowedTypes={PDataType.VARCHAR}),
+            @Argument(allowedTypes={PDataType.VARCHAR}, defaultValue = "'a'") })
+    static class WithOneDefaultArg extends BaseFunctionAdapter {
+
+        public WithOneDefaultArg(List<Expression> ignoreChildren) {
+            super("WITH_ONE_DEFAULT_ARG");
+        }
+    }
+
+    @BuiltInFunction(name="WITH_MULTIPLE_DEFAULT_ARGS", args={
+            @Argument(allowedTypes={PDataType.VARCHAR}),
+            @Argument(allowedTypes={PDataType.VARCHAR}, defaultValue = "'a'"),
+            @Argument(allowedTypes={PDataType.VARCHAR}, defaultValue = "'b'") })
+    static class WithMultipleDefaultArgs extends BaseFunctionAdapter {
+
+        public WithMultipleDefaultArgs(List<Expression> ignoreChildren) {
+            super("WITH_MULTIPLE_DEFAULT_ARGS");
+        }
+    }
+}
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