Add unistr function
authorPeter Eisentraut <peter@eisentraut.org>
Sun, 28 Mar 2021 06:16:15 +0000 (08:16 +0200)
committerPeter Eisentraut <peter@eisentraut.org>
Mon, 29 Mar 2021 09:56:53 +0000 (11:56 +0200)
commitf37fec837ce8bf7af408ba66d32099e5a0182402
treecfbdeae1f431dab8803c9d2cac91e4d71a5e1cad
parentebedd0c78fc51c293abe56e99a18c67af14da0c9
Add unistr function

This allows decoding a string with Unicode escape sequences.  It is
similar to Unicode escape strings, but offers some more flexibility.

Author: Pavel Stehule <pavel.stehule@gmail.com>
Reviewed-by: Asif Rehman <asifr.rehman@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/CAFj8pRA5GnKT+gDVwbVRH2ep451H_myBt+NTz8RkYUARE9+qOQ@mail.gmail.com
doc/src/sgml/func.sgml
src/backend/utils/adt/varlena.c
src/include/catalog/catversion.h
src/include/catalog/pg_proc.dat
src/test/regress/expected/strings.out
src/test/regress/sql/strings.sql