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| author | Andres Freund <andres@anarazel.de> | 2015-07-26 15:17:44 +0200 |
|---|---|---|
| committer | Andres Freund <andres@anarazel.de> | 2015-07-26 16:46:27 +0200 |
| commit | 144666f65b500fef864bca318f6245b03c0f457c (patch) | |
| tree | 438e5aa4b1b64a541e3f75fa284acbb6edba9846 /src/backend/parser/parse_clause.c | |
| parent | cf80ddee57103bb3b454c1607d100a4551d7a48c (diff) | |
| download | postgresql-144666f65b500fef864bca318f6245b03c0f457c.tar.gz postgresql-144666f65b500fef864bca318f6245b03c0f457c.zip | |
Build column mapping for grouping sets in all required cases.
The previous coding frequently failed to fail because for one it's
unusual to have rollup clauses with one column, and for another
sometimes the wrong mapping didn't cause obvious problems.
Author: Jeevan Chalke
Reviewed-By: Andrew Gierth
Discussion: CAM2+6=W=9=hQOipH0HAPbkun3Z3TFWij_EiHue0_6UX=oR=1kw@mail.gmail.com
Backpatch: 9.5, where grouping sets were introduced
Diffstat (limited to 'src/backend/parser/parse_clause.c')
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