Fix nested NOT operation cleanup in tsquery.
During normalization of tsquery tree it tries to simplify nested NOT
operations but there it's obvioulsy missed that subsequent node could be
a leaf node (value node)
Bug #14245: Segfault on weird to_tsquery
Reported by David Kellum.
Branch
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master
Details
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http://git.postgresql.org/pg/commitdiff/19d290155d084754eeb5ebb2569654da06073ee8
Modified Files
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src/backend/utils/adt/tsquery_cleanup.c | 8 +++++++-
src/test/regress/expected/tsearch.out | 12 ++++++++++++
src/test/regress/sql/tsearch.sql | 3 +++
3 files changed, 22 insertions(+), 1 deletion(-)