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| author | Tom Lane | 2017-09-17 19:28:51 +0000 |
|---|---|---|
| committer | Tom Lane | 2017-09-17 19:28:51 +0000 |
| commit | eeff6839633d97c03a43889ed7c83df81d513f08 (patch) | |
| tree | 21259ccb9bddd1e90a898f019428276827970eca /doc/src | |
| parent | 825fac5d33a606a1410111c5be195e5af3a0c433 (diff) | |
Allow rel_is_distinct_for() to look through RelabelType below OpExpr.
This lets it do the right thing for, eg, varchar columns.
Back-patch to 9.5 where this logic appeared.
David Rowley, per report from Kim Rose Carlsen
Discussion: https://postgr.es/m/VI1PR05MB17091F9A9876528055D6A827C76D0@VI1PR05MB1709.eurprd05.prod.outlook.com
Diffstat (limited to 'doc/src')
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