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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2022-11-05 15:24:36 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2022-11-05 15:24:36 -0400 |
| commit | ff8fa0bf7eb9001f321c2af4bbe9c0f2bd5c1bf8 (patch) | |
| tree | 7cadb5dc4c18bee125ac600864bf7c2c5bbd9fa5 /src/backend/utils/adt/pgstatfuncs.c | |
| parent | c3652cd84ac8aa60dd09a9743d4db6f20e985a2f (diff) | |
| download | postgresql-ff8fa0bf7eb9001f321c2af4bbe9c0f2bd5c1bf8.tar.gz postgresql-ff8fa0bf7eb9001f321c2af4bbe9c0f2bd5c1bf8.zip | |
Handle SubPlan cases in find_nonnullable_rels/vars.
We can use some variants of SubPlan to deduce that Vars appearing
in the testexpr must be non-null.
Richard Guo
Discussion: https://postgr.es/m/CAMbWs4-jV=199A2Y_6==99dYnpnmaO_Wz_RGkRTTaCB=Pihw2w@mail.gmail.com
Diffstat (limited to 'src/backend/utils/adt/pgstatfuncs.c')
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