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\nSuch matches were found by GIN index searches, but not by sequential scans or GiST index searches.
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Fix performance problems in ts_rewrite() (Tom Lane)
Fix ts_rewrite()'s handling of nested NOT operators (Tom Lane)
Fix array_fill() to handle empty arrays properly (Tom Lane)
Fix one-byte buffer overrun in quote_literal_cstr() (Heikki Linnakangas)
The overrun occurred only if the input consisted entirely of single quotes and/or backslashes.
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This avoids an assertion failure, and possibly worse things, if someone tries to run these functions in parallel.
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