Обсуждение: pgsql: Add json_array_elements_text function.
Add json_array_elements_text function. This was a notable omission from the json functions added in 9.3 and there have been numerous complaints about its absence. Laurence Rowe. Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/5264d9154178d3aeaa0359b43a450298a7ce7281 Modified Files -------------- doc/src/sgml/func.sgml | 21 +++++++++++ src/backend/utils/adt/jsonfuncs.c | 67 ++++++++++++++++++++++++++++------ src/include/catalog/pg_proc.h | 2 + src/include/utils/json.h | 1 + src/test/regress/expected/json.out | 34 +++++++++++++++-- src/test/regress/expected/json_1.out | 34 +++++++++++++++-- src/test/regress/sql/json.sql | 6 ++- 7 files changed, 143 insertions(+), 22 deletions(-)
Andrew Dunstan <andrew@dunslane.net> writes:
> Add json_array_elements_text function.
Not 100% sure if this is from this commit or some earlier one, but in any
case please fix it:
jsonfuncs.c: In function 'populate_record_worker':
jsonfuncs.c:1286: warning: 'tupType' may be used uninitialized in this function
jsonfuncs.c:1287: warning: 'tupTypmod' may be used uninitialized in this function
Seeing this with gcc version 4.4.7 20120313 (Red Hat 4.4.7-4), the current
standard compiler on RHEL6.
regards, tom lane
On Wed, Jan 29, 2014 at 08:51:26PM +0000, Andrew Dunstan wrote: > Add json_array_elements_text function. > > This was a notable omission from the json functions added in 9.3 and > there have been numerous complaints about its absence. > > Laurence Rowe. The docs seem to have bug: it says that the return value is SETOF json (http://www.postgresql.org/docs/devel/static/functions-json.html) While in reality (and based on name) it's setof text: (depesz@[local]:5930) 14:45:43 [depesz] $ \df json_array_elements_text List of functions Schema | Name | Result data type | Argument data types | Type ------------+--------------------------+------------------+--------------------------------+-------- pg_catalog | json_array_elements_text | SETOF text | from_json json, OUT value text | normal (1 row) Best regards, depesz