vvysotskyi commented on a change in pull request #1638: DRILL-7022: Partition
pruning is not happening the first time after the metadata auto-refresh
URL: https://github.com/apache/drill/pull/1638#discussion_r257256343
##########
File path:
exec/java-exec/src/test/java/org/apache/drill/exec/store/parquet/TestParquetMetadataCache.java
##########
@@ -902,6 +902,27 @@ public void testEmptyDirectoryWithMetadataDirFile()
throws Exception {
.run();
}
+ @Test
+ public void testAutoRefreshPartitionPruning() throws Exception {
+ test("create table dfs.tmp.`orders` partition by (o_orderstatus) as\n" +
+ "select * from cp.`tpch/orders.parquet`");
+
+ test("refresh table metadata dfs.tmp.`orders`");
+
+ File ordersTable = new File(dirTestWatcher.getDfsTestTmpDir(), "orders");
+
+ // sets last-modified time of directory greater than the time of cache
file to force metadata cache file auto-refresh
+ assertTrue("Unable to change the last-modified time of table directory",
+ ordersTable.setLastModified(new File(ordersTable,
Metadata.METADATA_FILENAME).lastModified() + 100500));
+
+ String query = "select * from dfs.tmp.`orders`\n" +
+ "where o_orderstatus = 'O' and o_orderdate < '1995-03-10'";
+ PlanTestBase.testPlanOneExpectedPattern(query, "numRowGroups=1");
+
+ int actualRowCount = testSql(query);
+ assertEquals("Row count does not match the expected value", 1,
actualRowCount);
Review comment:
Done.
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