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Add get_bit/set_bit functions for bit strings, paralleling those for bytea,

author Tom Lane <tgl@sss.pgh.pa.us>

2010年1月25日 20:55:32 +0000 (20:55 +0000)

committer Tom Lane <tgl@sss.pgh.pa.us>

2010年1月25日 20:55:32 +0000 (20:55 +0000)

commit 9507c8a1db14d022296144f391ea4741f4f848ca

tree 72fe8e5370f8b8d9ef07dc460daaac5be1797430 tree

parent 1d1f425f8d4331ecf09512386880af0827cd6091 commit | diff

Add get_bit/set_bit functions for bit strings, paralleling those for bytea,
and implement OVERLAY() for bit strings and bytea.

In passing also convert text OVERLAY() to a true built-in, instead of
relying on a SQL function.

Leonardo F, reviewed by Kevin Grittner

13 files changed:

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

src/backend/parser/gram.y diff | blob | blame | history

src/backend/utils/adt/varbit.c 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_proc.h diff | blob | blame | history

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

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

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

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

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

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

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

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