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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2022/06/19 16:48:25 UTC

[GitHub] [flink] reswqa commented on a diff in pull request #20009: [FLINK-27991][table-planner] ORC format supports reporting statistics

reswqa commented on code in PR #20009:
URL: https://github.com/apache/flink/pull/20009#discussion_r901131796


##########
flink-formats/flink-orc/src/test/java/org/apache/flink/orc/OrcFileSystemStatisticsReportTest.java:
##########
@@ -0,0 +1,235 @@
+/*
+ * 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.flink.orc;
+
+import org.apache.flink.table.api.TableConfig;
+import org.apache.flink.table.api.TableEnvironment;
+import org.apache.flink.table.plan.stats.ColumnStats;
+import org.apache.flink.table.plan.stats.TableStats;
+import org.apache.flink.table.planner.plan.schema.TableSourceTable;
+import org.apache.flink.table.planner.plan.stats.FlinkStatistic;
+import org.apache.flink.table.planner.runtime.utils.BatchTableEnvUtil;
+import org.apache.flink.table.planner.runtime.utils.TestData;
+import org.apache.flink.table.planner.utils.BatchTableTestUtil;
+import org.apache.flink.table.planner.utils.TableTestBase;
+import org.apache.flink.table.planner.utils.TableTestUtil;
+import org.apache.flink.util.Preconditions;
+
+import org.apache.calcite.rel.RelNode;
+import org.apache.calcite.rel.RelVisitor;
+import org.apache.calcite.rel.core.TableScan;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.math.BigDecimal;
+import java.sql.Date;
+import java.sql.Timestamp;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.ExecutionException;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/** Test for statistics functionality in {@link OrcFileFormatFactory}. */
+public class OrcFileSystemStatisticsReportTest extends TableTestBase {
+
+    private BatchTableTestUtil util;
+    private TableEnvironment tEnv;
+    private String path1;
+
+    @Before
+    public void setup() throws IOException {
+        util = batchTestUtil(TableConfig.getDefault());
+        tEnv = util.getTableEnv();
+        path1 = tempFolder().newFolder().toURI().getPath();
+
+        BatchTableEnvUtil.registerCollection(
+                tEnv,
+                "originalT",
+                TestData.buildInData(),
+                TestData.buildInType(),
+                "a,b,c,d,e,f,g,h,i,j");
+
+        String ddl1 =
+                String.format(
+                        "CREATE TABLE orcFileSystemTable (\n"
+                                + "  a boolean,\n"
+                                + "  b tinyint,\n"
+                                + "  c int, \n"
+                                + "  d bigint, \n"
+                                + "  e double, \n"
+                                + "  f string, \n"
+                                + "  g decimal(14,2), \n"
+                                + "  h date, \n"
+                                + "  j timestamp(3) \n"
+                                + ") with (\n"
+                                + " 'connector' = 'filesystem',"
+                                + " 'path' = '%s',"
+                                + "%s )",
+                        path1, String.join(",\n", formatProperties()));
+        tEnv.executeSql(ddl1);
+    }
+
+    private String[] formatProperties() {
+        List<String> ret = new ArrayList<>();
+        ret.add("'format'='orc'");
+        ret.add("'orc.compress'='snappy'");
+        return ret.toArray(new String[0]);
+    }
+
+    @Test
+    public void testOrcFileSystemStatisticsReportWithSingleFile()
+            throws ExecutionException, InterruptedException {
+        tEnv.executeSql(
+                        "insert into orcFileSystemTable select a, b, c, d, e, f,"
+                                + " c * 3.14 as g, h, j"
+                                + " from originalT")
+                .await();
+        assertThat(Objects.requireNonNull(new File(path1).listFiles()).length).isEqualTo(1);
+
+        FlinkStatistic statistic =
+                getStatisticsFromOptimizedPlan("select * from orcFileSystemTable");
+
+        Map<String, ColumnStats> expectedColumnStatsMap = new HashMap<>();
+        expectedColumnStatsMap.put("a", new ColumnStats.Builder().setNullCount(1L).build());
+        expectedColumnStatsMap.put(
+                "b", new ColumnStats.Builder().setMax(3L).setMin(1L).setNullCount(0L).build());
+        expectedColumnStatsMap.put(
+                "c", new ColumnStats.Builder().setMax(2L).setMin(-4L).setNullCount(0L).build());
+        expectedColumnStatsMap.put(
+                "d", new ColumnStats.Builder().setMax(3L).setMin(-5L).setNullCount(0L).build());
+        expectedColumnStatsMap.put(
+                "e", new ColumnStats.Builder().setMax(90.08).setMin(-0.8).setNullCount(0L).build());
+        expectedColumnStatsMap.put(
+                "f",
+                new ColumnStats.Builder().setMax("e fg").setMin("abcd").setNullCount(1L).build());
+        expectedColumnStatsMap.put(
+                "g",
+                new ColumnStats.Builder()
+                        .setMax(BigDecimal.valueOf(6.28))
+                        .setMin(BigDecimal.valueOf(-12.56))
+                        .setNullCount(0L)
+                        .build());
+        expectedColumnStatsMap.put(
+                "h",
+                new ColumnStats.Builder()
+                        .setMax(Date.valueOf("2017-12-12"))
+                        .setMin(Date.valueOf("2017-12-12"))
+                        .setNullCount(1L)
+                        .build());
+        expectedColumnStatsMap.put(
+                "j",
+                new ColumnStats.Builder()
+                        .setMax(Timestamp.valueOf("2017-11-11 20:32:19.0"))
+                        .setMin(Timestamp.valueOf("2015-05-20 10:00:00.887"))
+                        .setNullCount(0L)
+                        .build());
+        int expectedRowCount = 3;
+
+        assertThat(statistic.getTableStats())
+                .isEqualTo(new TableStats(expectedRowCount, expectedColumnStatsMap));
+    }
+
+    @Test
+    public void testOrcFileSystemStatisticsReportWithMuitiFile()
+            throws ExecutionException, InterruptedException {
+        // write first parquet file.
+        tEnv.executeSql(
+                        "insert into orcFileSystemTable select a, b, c, d, e, f,"
+                                + " c * 3.14 as g, h, j"
+                                + " from originalT")
+                .await();
+        // write second parquet file.
+        tEnv.executeSql(
+                        "insert into orcFileSystemTable select a, b, c, d, e, f,"
+                                + " c * 3.14 as g, h, j"
+                                + " from originalT")
+                .await();
+        assertThat(Objects.requireNonNull(new File(path1).listFiles()).length).isEqualTo(2);

Review Comment:
   ```suggestion
           assertThat(new File(path1).listFiles()).isNotNull().hasSize(2);
   ```



##########
flink-formats/flink-orc/src/test/java/org/apache/flink/orc/OrcFileSystemStatisticsReportTest.java:
##########
@@ -0,0 +1,235 @@
+/*
+ * 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.flink.orc;
+
+import org.apache.flink.table.api.TableConfig;
+import org.apache.flink.table.api.TableEnvironment;
+import org.apache.flink.table.plan.stats.ColumnStats;
+import org.apache.flink.table.plan.stats.TableStats;
+import org.apache.flink.table.planner.plan.schema.TableSourceTable;
+import org.apache.flink.table.planner.plan.stats.FlinkStatistic;
+import org.apache.flink.table.planner.runtime.utils.BatchTableEnvUtil;
+import org.apache.flink.table.planner.runtime.utils.TestData;
+import org.apache.flink.table.planner.utils.BatchTableTestUtil;
+import org.apache.flink.table.planner.utils.TableTestBase;
+import org.apache.flink.table.planner.utils.TableTestUtil;
+import org.apache.flink.util.Preconditions;
+
+import org.apache.calcite.rel.RelNode;
+import org.apache.calcite.rel.RelVisitor;
+import org.apache.calcite.rel.core.TableScan;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.math.BigDecimal;
+import java.sql.Date;
+import java.sql.Timestamp;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.ExecutionException;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/** Test for statistics functionality in {@link OrcFileFormatFactory}. */
+public class OrcFileSystemStatisticsReportTest extends TableTestBase {
+
+    private BatchTableTestUtil util;
+    private TableEnvironment tEnv;
+    private String path1;
+
+    @Before
+    public void setup() throws IOException {
+        util = batchTestUtil(TableConfig.getDefault());
+        tEnv = util.getTableEnv();
+        path1 = tempFolder().newFolder().toURI().getPath();
+
+        BatchTableEnvUtil.registerCollection(
+                tEnv,
+                "originalT",
+                TestData.buildInData(),
+                TestData.buildInType(),
+                "a,b,c,d,e,f,g,h,i,j");
+
+        String ddl1 =
+                String.format(
+                        "CREATE TABLE orcFileSystemTable (\n"
+                                + "  a boolean,\n"
+                                + "  b tinyint,\n"
+                                + "  c int, \n"
+                                + "  d bigint, \n"
+                                + "  e double, \n"
+                                + "  f string, \n"
+                                + "  g decimal(14,2), \n"
+                                + "  h date, \n"
+                                + "  j timestamp(3) \n"
+                                + ") with (\n"
+                                + " 'connector' = 'filesystem',"
+                                + " 'path' = '%s',"
+                                + "%s )",
+                        path1, String.join(",\n", formatProperties()));
+        tEnv.executeSql(ddl1);
+    }
+
+    private String[] formatProperties() {
+        List<String> ret = new ArrayList<>();
+        ret.add("'format'='orc'");
+        ret.add("'orc.compress'='snappy'");
+        return ret.toArray(new String[0]);
+    }
+
+    @Test

Review Comment:
   New test class should use junit5



##########
flink-formats/flink-orc/src/test/java/org/apache/flink/orc/OrcFileSystemStatisticsReportTest.java:
##########
@@ -0,0 +1,235 @@
+/*
+ * 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.flink.orc;
+
+import org.apache.flink.table.api.TableConfig;
+import org.apache.flink.table.api.TableEnvironment;
+import org.apache.flink.table.plan.stats.ColumnStats;
+import org.apache.flink.table.plan.stats.TableStats;
+import org.apache.flink.table.planner.plan.schema.TableSourceTable;
+import org.apache.flink.table.planner.plan.stats.FlinkStatistic;
+import org.apache.flink.table.planner.runtime.utils.BatchTableEnvUtil;
+import org.apache.flink.table.planner.runtime.utils.TestData;
+import org.apache.flink.table.planner.utils.BatchTableTestUtil;
+import org.apache.flink.table.planner.utils.TableTestBase;
+import org.apache.flink.table.planner.utils.TableTestUtil;
+import org.apache.flink.util.Preconditions;
+
+import org.apache.calcite.rel.RelNode;
+import org.apache.calcite.rel.RelVisitor;
+import org.apache.calcite.rel.core.TableScan;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.math.BigDecimal;
+import java.sql.Date;
+import java.sql.Timestamp;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.ExecutionException;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/** Test for statistics functionality in {@link OrcFileFormatFactory}. */
+public class OrcFileSystemStatisticsReportTest extends TableTestBase {
+
+    private BatchTableTestUtil util;
+    private TableEnvironment tEnv;
+    private String path1;
+
+    @Before

Review Comment:
   @BeforeEach



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