zjuwangg commented on a change in pull request #9310: [FLINK-13190]add test to
verify partition pruning for HiveTableSource
URL: https://github.com/apache/flink/pull/9310#discussion_r309571719
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File path:
flink-connectors/flink-connector-hive/src/test/java/org/apache/flink/batch/connectors/hive/HiveTableSourceTest.java
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@@ -133,4 +133,48 @@ public void testReadPartitionTable() throws Exception {
assertArrayEquals(new String[]{"2014,3,0", "2014,4,0",
"2015,2,1", "2015,5,1"}, rowStrings);
}
+ @Test
+ public void testPartitionPrunning() throws Exception {
+ final String dbName = "source_db";
+ final String tblName = "test_table_pt";
+ hiveShell.execute("CREATE TABLE source_db.test_table_pt " +
+ "(year STRING, value INT)
partitioned by (pt int);");
+ hiveShell.insertInto("source_db", "test_table_pt")
+ .withColumns("year", "value", "pt")
+ .addRow("2014", 3, 0)
+ .addRow("2014", 4, 0)
+ .addRow("2015", 2, 1)
+ .addRow("2015", 5, 1)
+ .commit();
+ TableEnvironment tEnv = HiveTestUtils.createTableEnv();
+ ObjectPath tablePath = new ObjectPath(dbName, tblName);
+ CatalogTable catalogTable = (CatalogTable)
hiveCatalog.getTable(tablePath);
+ tEnv.registerTableSource("src", new HiveTableSource(new
JobConf(hiveConf), tablePath, catalogTable));
Review comment:
Maybe we can't. During the optimization, a new TableSource will be returned
instead of the original one.
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