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The initial coding just descended the index if any of the target trigrams were possibly present at the next level down. But actually we can apply trigramsMatchGraph() so as to take advantage of AND requirements when there are some. The input data might contain false positive matches, but that can only result in a false positive result, not false negative, so it's safe to do it this way. Alexander Korotkov |
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| data | ||
| expected | ||
| sql | ||
| .gitignore | ||
| Makefile | ||
| pg_trgm--1.0--1.1.sql | ||
| pg_trgm--1.1.sql | ||
| pg_trgm--unpackaged--1.0.sql | ||
| pg_trgm.control | ||
| trgm_gin.c | ||
| trgm_gist.c | ||
| trgm_op.c | ||
| trgm_regexp.c | ||
| trgm.h | ||