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Make contrib/pg_trgm also support regex searches with GiST indexes.

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This wasn't addressed in the original patch, but it doesn't take very
much additional code to cover the case, so let's get it done.

Since pg_trgm 1.1 hasn't been released yet, I just changed the definition
of what's in it, rather than inventing a 1.2.
This commit is contained in:
Tom Lane
2013-04-10 13:30:14 -04:00
parent e543631f3c
commit 6f5b8beb64
10 changed files with 352 additions and 35 deletions
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5
contrib/pg_trgm/trgm.h
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@ -113,8 +113,9 @@ extern TRGM *generate_trgm(char *str, int slen);
extern TRGM *generate_wildcard_trgm(const char *str, int slen);
extern float4 cnt_sml(TRGM *trg1, TRGM *trg2);
extern bool trgm_contained_by(TRGM *trg1, TRGM *trg2);
extern TRGM *createTrgmNFA(text *text_re, TrgmPackedGraph **graph,
Oid collation);
extern bool *trgm_presence_map(TRGM *query, TRGM *key);
extern TRGM *createTrgmNFA(text *text_re, Oid collation,
TrgmPackedGraph **graph, MemoryContext rcontext);
extern bool trigramsMatchGraph(TrgmPackedGraph *graph, bool *check);
#endif /* __TRGM_H__ */