Fix bugs in contrib/pg_trgm's LIKE pattern analysis code.
Tom Lane <tgl@sss.pgh.pa.us>
Fix bugs in contrib/pg_trgm's LIKE pattern analysis code. Extraction of trigrams did not process LIKE escape sequences properly, leading to possible misidentification of trigrams near escapes, resulting in incorrect index search results. Fujii Masao
Files
| Path | Change | +/− |
|---|---|---|
| contrib/pg_trgm/expected/pg_trgm.out | modified | +12 −0 |
| contrib/pg_trgm/sql/pg_trgm.sql | modified | +2 −0 |
| contrib/pg_trgm/trgm_op.c | modified | +25 −19 |