0001-Add-stats-info-for-Vars-in-CTEs.patch
text/x-patch
Filename: 0001-Add-stats-info-for-Vars-in-CTEs.patch
Type: text/x-patch
Part: 0
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Format: format-patch
Series: patch 0001
Subject: Add stats info for Vars in CTEs.
| File | + | − |
|---|---|---|
| src/backend/utils/adt/selfuncs.c | 4 | 1 |
From 29db9f3a6e6592cf277b011b7f92bb7bc0c69baf Mon Sep 17 00:00:00 2001 From: Jian Guo <xihuke@gmail.com> Date: Wed, 9 Aug 2023 03:32:01 -0400 Subject: [PATCH] Add stats info for Vars in CTEs. Signed-off-by: Jian Guo <gjian@vmware.com> --- src/backend/utils/adt/selfuncs.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c index 9f5536c04b6..b70b779a595 100644 --- a/src/backend/utils/adt/selfuncs.c +++ b/src/backend/utils/adt/selfuncs.c @@ -5343,7 +5343,10 @@ get_variable_numdistinct(VariableStatData *vardata, bool *isdefault) stadistinct = getgpsegmentCount(); break; default: - stadistinct = 0.0; /* means "unknown" */ + if (vardata->rel->rtekind == RTE_CTE) + stadistinct = -1.0; + else + stadistinct = 0.0; /* means "unknown" */ break; } } -- 2.37.3