[ https://issues.apache.org/jira/browse/CALCITE-1802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jesus Camacho Rodriguez updated CALCITE-1802: --------------------------------------------- Description: Follow-up on CALCITE-1795. Rewriting for Aggregate queries needs a post-aggregation step that is not currently added. Query: {code:sql} SELECT empid, deptname, SUM(salary) AS s FROM emps JOIN depts ON (emps.deptno = depts.deptno) WHERE salary > 10000 GROUP BY empid, deptname; {code} Materialized view definition: {code:sql} SELECT empid, deptname, SUM(salary) AS s FROM emps JOIN depts ON (emps.deptno = depts.deptno) WHERE salary > 12000 GROUP BY empid, deptname; {code} Rewriting: {code:sql} SELECT empid, deptname, SUM(s) FROM ( SELECT empid, deptname, s FROM mv UNION ALL SELECT empid, deptname, SUM(salary) AS s FROM emps JOIN depts ON (emps.deptno = depts.deptno) WHERE salary > 10000 AND salary <= 12000 GROUP BY empid, deptname) subq GROUP BY empid, deptname; {code} was: Follow-up on CALCITE-1795. Rewriting for Aggregate queries needs a post-aggregation step that is not currently added. Query: {code:sql} SELECT empid, deptname, SUM(salary) AS s FROM emps JOIN depts ON (emps.deptno = depts.deptno) WHERE salary > 10000 GROUP BY empid, deptname; {code} Materialized view definition: {code:sql} SELECT empid, deptname, SUM(salary) AS s FROM emps JOIN depts ON (emps.deptno = depts.deptno) WHERE salary > 12000 GROUP BY empid, deptname; {code} Rewriting: {code:sql} SELECT empid, deptname, SUM(s) FROM ( SELECT empid, deptname, s FROM mv UNION ALL SELECT empid, deptname, SUM(salary) AS s FROM emps JOIN depts ON (emps.deptno = depts.deptno) WHERE salary > 10000 AND salary <= 12000 GROUP BY empid, deptname); {code} > Add post-aggregation step for Union in materialized view rewriting > ------------------------------------------------------------------ > > Key: CALCITE-1802 > URL: https://issues.apache.org/jira/browse/CALCITE-1802 > Project: Calcite > Issue Type: Bug > Components: core > Reporter: Jesus Camacho Rodriguez > Assignee: Jesus Camacho Rodriguez > Fix For: 1.13.0 > > > Follow-up on CALCITE-1795. > Rewriting for Aggregate queries needs a post-aggregation step that is not > currently added. > Query: > {code:sql} > SELECT empid, deptname, SUM(salary) AS s > FROM emps > JOIN depts ON (emps.deptno = depts.deptno) > WHERE salary > 10000 > GROUP BY empid, deptname; > {code} > Materialized view definition: > {code:sql} > SELECT empid, deptname, SUM(salary) AS s > FROM emps > JOIN depts ON (emps.deptno = depts.deptno) > WHERE salary > 12000 > GROUP BY empid, deptname; > {code} > Rewriting: > {code:sql} > SELECT empid, deptname, SUM(s) > FROM ( > SELECT empid, deptname, s > FROM mv > UNION ALL > SELECT empid, deptname, SUM(salary) AS s > FROM emps > JOIN depts ON (emps.deptno = depts.deptno) > WHERE salary > 10000 AND salary <= 12000 > GROUP BY empid, deptname) subq > GROUP BY empid, deptname; > {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346)