Prevent stack overflow in query-type functions.
The tsquery, ltxtquery and query_int data types have a common ancestor.
Having acquired check_stack_depth() calls independently, each was
missing at least one call. Back-patch to 9.0 (all supported versions).
Branch
------
REL9_2_STABLE
Details
-------
http://git.postgresql.org/pg/commitdiff/ea68c221f4d2351e111ff3d7573ef67a0e9c855a
Modified Files
--------------
contrib/intarray/_int_bool.c | 3 +++
contrib/ltree/ltxtquery_io.c | 3 +++
contrib/ltree/ltxtquery_op.c | 4 ++++
src/backend/utils/adt/tsquery_cleanup.c | 3 +++
4 files changed, 13 insertions(+)
