pgsql: array_offset() and array_offsets()

array_offset() and array_offsets()

These functions return the offset position or positions of a value in an
array.

Author: Pavel Stěhule
Reviewed by: Jim Nasby

Branch
------
master

Details
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http://git.postgresql.org/pg/commitdiff/13dbc7a824b3f905904cab51840d37f31a07a9ef

Modified Files
--------------
doc/src/sgml/array.sgml                 |   19 ++
doc/src/sgml/func.sgml                  |   49 +++++
src/backend/utils/adt/array_userfuncs.c |  296 +++++++++++++++++++++++++++++++
src/backend/utils/adt/arrayfuncs.c      |   20 ++-
src/include/catalog/catversion.h        |    2 +-
src/include/catalog/pg_proc.h           |    6 +
src/include/utils/array.h               |    6 +-
src/pl/plpgsql/src/pl_exec.c            |    2 +-
src/test/regress/expected/arrays.out    |  100 +++++++++++
src/test/regress/sql/arrays.sql         |   33 ++++
10 files changed, 525 insertions(+), 8 deletions(-)