kimmking commented on issue #4597: fix #4565 for distinct bug URL: https://github.com/apache/incubator-shardingsphere/pull/4597#issuecomment-594439567 ``` ================= >Case6: 2 columns for distinct only ========> [INFO ] 2020-03-04 17:39:02,561 --main-- [ShardingSphere-SQL] Rule Type: sharding [INFO ] 2020-03-04 17:39:02,561 --main-- [ShardingSphere-SQL] Logic SQL: select distinct age,name from user [INFO ] 2020-03-04 17:39:02,561 --main-- [ShardingSphere-SQL] SQLStatement: SelectStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@2f5c1332, tablesContext=org.apache.shardingsphere.sql.parser.relation.segment.table.TablesContext@7ec25216), tablesContext=org.apache.shardingsphere.sql.parser.relation.segment.table.TablesContext@7ec25216, projectionsContext=ProjectionsContext(startIndex=16, stopIndex=23, distinctRow=true, projections=[ColumnProjection(owner=null, name=age, alias=Optional.empty), ColumnProjection(owner=null, name=name, alias=Optional.empty)], columnLabels=[age, name]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@7cab1508, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@6a84bc3f, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@258ee7de, containsSubquery=false) [INFO ] 2020-03-04 17:39:02,561 --main-- [ShardingSphere-SQL] Actual SQL: ds_0 ::: select distinct age,name from user0 ORDER BY age ASC,name ASC [INFO ] 2020-03-04 17:39:02,561 --main-- [ShardingSphere-SQL] Actual SQL: ds_0 ::: select distinct age,name from user1 ORDER BY age ASC,name ASC [INFO ] 2020-03-04 17:39:02,561 --main-- [ShardingSphere-SQL] Actual SQL: ds_0 ::: select distinct age,name from user2 ORDER BY age ASC,name ASC [INFO ] 2020-03-04 17:39:02,561 --main-- [ShardingSphere-SQL] Actual SQL: ds_1 ::: select distinct age,name from user0 ORDER BY age ASC,name ASC [INFO ] 2020-03-04 17:39:02,561 --main-- [ShardingSphere-SQL] Actual SQL: ds_1 ::: select distinct age,name from user1 ORDER BY age ASC,name ASC [INFO ] 2020-03-04 17:39:02,561 --main-- [ShardingSphere-SQL] Actual SQL: ds_1 ::: select distinct age,name from user2 ORDER BY age ASC,name ASC [name-14, 10] [name-11, 11] [name-12, 11] [name-13, 11] [name-21, 11] [name-22, 11] [name-31, 11] [name-23, 12] [name-32, 12] [name-24, 13] [name-33, 13] [name-14, 14] [name-34, 14] [name-14, 15] [name-14, 16] [name-14, 17] ```
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