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Implement the FILTER clause for aggregate function calls.

author Noah Misch <noah@leadboat.com>

2013年7月17日 00:15:36 +0000 (20:15 -0400)

committer Noah Misch <noah@leadboat.com>

2013年7月17日 00:15:36 +0000 (20:15 -0400)

commit b560ec1b0d7b910ce13edc51ffaafaca72136e3b

tree ae5d80c94681788fd214efe6d61425089850781e tree

parent 7a8e9f298e7b8158296e1ea72ca8987323c10edf commit | diff

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.

35 files changed:

contrib/pg_stat_statements/pg_stat_statements.c diff | blob | blame | history

doc/src/sgml/keywords.sgml diff | blob | blame | history

doc/src/sgml/ref/select.sgml diff | blob | blame | history

doc/src/sgml/syntax.sgml diff | blob | blame | history

src/backend/executor/execQual.c diff | blob | blame | history

src/backend/executor/execUtils.c diff | blob | blame | history

src/backend/executor/functions.c diff | blob | blame | history

src/backend/executor/nodeAgg.c diff | blob | blame | history

src/backend/executor/nodeWindowAgg.c diff | blob | blame | history

src/backend/nodes/copyfuncs.c diff | blob | blame | history

src/backend/nodes/equalfuncs.c diff | blob | blame | history