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Add string_agg aggregate functions. The one argument version concatenates

author Itagaki Takahiro <itagaki.takahiro@gmail.com>

Mon, 1 Feb 2010 03:14:45 +0000 (03:14 +0000)

committer Itagaki Takahiro <itagaki.takahiro@gmail.com>

Mon, 1 Feb 2010 03:14:45 +0000 (03:14 +0000)

commit 9ea9918e37689fbc9ed43532b8828652b5ea90cd

tree f512d7e150549dd403f0266374d7dbcfa460d8ed tree

parent ee3a81f0a03d0da128689df92a84a24a337645ec commit | diff

Add string_agg aggregate functions. The one argument version concatenates
the input values into a string. The two argument version also does the same
thing, but inserts delimiters between elements.

Original patch by Pavel Stehule, reviewed by David E. Wheeler and me.

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

src/backend/utils/adt/varlena.c diff | blob | blame | history

src/include/catalog/catversion.h diff | blob | blame | history

src/include/catalog/pg_aggregate.h diff | blob | blame | history

src/include/catalog/pg_proc.h diff | blob | blame | history

src/include/utils/builtins.h diff | blob | blame | history

src/test/regress/expected/aggregates.out diff | blob | blame | history

src/test/regress/sql/aggregates.sql diff | blob | blame | history

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