Thread: pgsql: Change predecence of phrase operator.
Change predecence of phrase operator. <-> operator now have higher predecence than & (AND) operator. This change was motivated by unexpected difference of similar queries: 'a & b <-> c'::tsquery and 'b <-> c & a'. Before first query means (a & b) <-> c and second one - '(b <-> c) & a', now phrase operator evaluates first. Per suggestion from Tom Lane 32260.1465402409@sss.pgh.pa.us Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/6734a1cacd44f5b731933cbc93182b135b167d0c Modified Files -------------- src/backend/utils/adt/tsquery.c | 114 +++++++++++++++----------------- src/backend/utils/adt/tsquery_cleanup.c | 17 ++++- src/include/tsearch/ts_type.h | 16 +---- src/test/regress/expected/tsdicts.out | 12 ++-- src/test/regress/expected/tsearch.out | 18 ++--- src/test/regress/expected/tstypes.out | 78 +++++++++++----------- 6 files changed, 121 insertions(+), 134 deletions(-)