[ https://issues.apache.org/jira/browse/CALCITE-6199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jiajun Xie resolved CALCITE-6199. --------------------------------- Fix Version/s: 1.37.0 Resolution: Fixed > Trim unused fields for SNAPSHOT and SAMPLE if table has VIRTUAL column > ----------------------------------------------------------------------- > > Key: CALCITE-6199 > URL: https://issues.apache.org/jira/browse/CALCITE-6199 > Project: Calcite > Issue Type: Improvement > Reporter: Jiajun Xie > Assignee: Jiajun Xie > Priority: Major > Labels: pull-request-available > Fix For: 1.37.0 > > > RelFieldTrimmer not support SNAPSHOT( So do Sample) > * Here is a SQL example > {code:java} > select D, E from VIRTUALCOLUMNS.VC_T1 > for system_time as of TIMESTAMP '2011-01-02 00:00:00' {code} > * Before Trimming > {code:java} > LogicalProject(D=[$3], E=[$4]) > LogicalSnapshot(period=[2011-01-02 00:00:00]) > LogicalProject(A=[$0], B=[$1], C=[$2], D=[$3], $f4=[+($0, 1)]) > LogicalTableScan(table=[[CATALOG, VIRTUALCOLUMNS, VC_T1]]){code} > * After Trimming > {code:java} > LogicalSnapshot(period=[2011-01-02 00:00:00]) > LogicalProject(D=[$3], $f4=[+($0, 1)]) > LogicalTableScan(table=[[CATALOG, VIRTUALCOLUMNS, VC_T1]]){code} -- This message was sent by Atlassian Jira (v8.20.10#820010)