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authorNoah Misch <noah@leadboat.com>2013-07-16 20:15:36 -0400
committerNoah Misch <noah@leadboat.com>2013-07-16 20:15:36 -0400
commitb560ec1b0d7b910ce13edc51ffaafaca72136e3b (patch)
treeae5d80c94681788fd214efe6d61425089850781e /src/backend/executor/execQual.c
parent7a8e9f298e7b8158296e1ea72ca8987323c10edf (diff)
downloadpostgresql-b560ec1b0d7b910ce13edc51ffaafaca72136e3b.tar.gz
postgresql-b560ec1b0d7b910ce13edc51ffaafaca72136e3b.zip
Implement the FILTER clause for aggregate function calls.
This is SQL-standard with a few extensions, namely support for subqueries and outer references in clause expressions. catversion bump due to change in Aggref and WindowFunc. David Fetter, reviewed by Dean Rasheed.
Diffstat (limited to 'src/backend/executor/execQual.c')
-rw-r--r--src/backend/executor/execQual.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/executor/execQual.c b/src/backend/executor/execQual.c
index 138818313b7..90c27530e9c 100644
--- a/src/backend/executor/execQual.c
+++ b/src/backend/executor/execQual.c
@@ -4410,6 +4410,8 @@ ExecInitExpr(Expr *node, PlanState *parent)
astate->args = (List *) ExecInitExpr((Expr *) aggref->args,
parent);
+ astate->aggfilter = ExecInitExpr(aggref->aggfilter,
+ parent);
/*
* Complain if the aggregate's arguments contain any
@@ -4448,6 +4450,8 @@ ExecInitExpr(Expr *node, PlanState *parent)
wfstate->args = (List *) ExecInitExpr((Expr *) wfunc->args,
parent);
+ wfstate->aggfilter = ExecInitExpr(wfunc->aggfilter,
+ parent);
/*
* Complain if the windowfunc's arguments contain any