[jira] [Comment Edited] (CALCITE-2620) Simplify "coalesce(null,x)" to "x"

[ https://issues.apache.org/jira/browse/CALCITE-2620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16648733#comment-16648733 ] pengzhiwei edited comment on CALCITE-2620 at 10/13/18 4:10 AM: ---

[jira] [Comment Edited] (CALCITE-2620) Simplify "coalesce(null,x)" to "x"

[ https://issues.apache.org/jira/browse/CALCITE-2620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16648733#comment-16648733 ] pengzhiwei edited comment on CALCITE-2620 at 10/13/18 4:09 AM: ---

[jira] [Comment Edited] (CALCITE-2620) Simplify "coalesce(null,x)" to "x"

[ https://issues.apache.org/jira/browse/CALCITE-2620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16648733#comment-16648733 ] pengzhiwei edited comment on CALCITE-2620 at 10/13/18 4:09 AM: ---