Alexander Lapin created IGNITE-11019: ----------------------------------------
Summary: SQL: explain plan of a simple query contains merge table Key: IGNITE-11019 URL: https://issues.apache.org/jira/browse/IGNITE-11019 Project: Ignite Issue Type: Bug Components: sql Reporter: Alexander Lapin Fix For: 2.8 In case of simple* query like following "select * from Organization org where org._KEY = 1 or org._KEY = 2" explain plan will contain merge table despite the fact that it's skipped within regular query flow. {code:java|title=GridReduceQueryExecutor#query} final boolean skipMergeTbl = !qry.explain() && qry.skipMergeTable() {code} Explain plan output: ____ : [SELECT ORG__Z0.NAME AS __C0_0, ORG__Z0.DEBTCAPITAL AS __C0_1, ORG__Z0.ID AS __C0_2 FROM "orgBetweenTest".ORGANIZATION ORG__Z0 /* "orgBetweenTest"."_key_PK": _KEY IN(1, 2) */ WHERE ORG__Z0._KEY IN(1, 2)] ____ : [SELECT __C0_0 AS NAME, __C0_1 AS DEBTCAPITAL, __C0_2 AS ID FROM PUBLIC.__T0 /* "orgBetweenTest"."merge_scan" */] *simple query by means of GridSqlQuery#simpleQuery -- This message was sent by Atlassian JIRA (v7.6.3#76005)