xuefuz commented on a change in pull request #8314: [FLINK-12365][table] Add
stats related catalog APIs
URL: https://github.com/apache/flink/pull/8314#discussion_r279557567
##########
File path:
flink-table/flink-table-api-java/src/test/java/org/apache/flink/table/catalog/GenericInMemoryCatalogTest.java
##########
@@ -1104,6 +1104,43 @@ public void testDropFunction_FunctionNotExist_ignored()
throws Exception {
catalog.dropDatabase(db1, false);
}
+ // ------ statistics ------
+
+ @Test
+ public void testStatistics() throws Exception {
+ // Table related
+ catalog.createDatabase(db1, createDb(), false);
+ GenericCatalogTable table = createTable();
+ catalog.createTable(path1, table, false);
+ assertTrue(catalog.getTableStatistics(path1) == null);
+ assertTrue(catalog.getTableColumnStatistics(path1) == null);
+ CatalogTableStatistics tableStatistics = new
CatalogTableStatistics(5, 2, 100, 575);
+ catalog.alterTableStatistics(path1, tableStatistics, false);
+ CatalogTestUtil.checkEquals(tableStatistics,
catalog.getTableStatistics(path1));
+ CatalogColumnStatistics columnStatistics = new
CatalogColumnStatistics(20L, 2L, 40.5, 17, 45, 15);
+ catalog.alterTableColumnStatistics(path1, columnStatistics,
false);
+ CatalogTestUtil.checkEquals(columnStatistics,
catalog.getTableColumnStatistics(path1));
+
+ // Partition related
+ catalog.createDatabase(db2, createDb(), false);
+ GenericCatalogTable table2 = createPartitionedTable();
+ catalog.createTable(path2, table2, false);
+ CatalogPartitionSpec partitionSpec = createPartitionSpec();
+ catalog.createPartition(path2, partitionSpec,
createPartition(), false);
+ assertTrue(catalog.getPartitionStatistics(path2, partitionSpec)
== null);
+ assertTrue(catalog.getPartitionColumnStatistics(path2,
partitionSpec) == null);
+ catalog.alterPartitionStatistics(path2, partitionSpec,
tableStatistics, false);
+ CatalogTestUtil.checkEquals(tableStatistics,
catalog.getPartitionStatistics(path2, partitionSpec));
+ catalog.alterPartitionColumnStatistics(path2, partitionSpec,
columnStatistics, false);
+ CatalogTestUtil.checkEquals(columnStatistics,
catalog.getPartitionColumnStatistics(path2, partitionSpec));
+
+ // Clean up
Review comment:
Yeah. I guess they are harmless to be here and make this testcase complete
on its own.
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