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Diffstat (limited to 'doc/development/sql.md')
| -rw-r--r-- | doc/development/sql.md | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/development/sql.md b/doc/development/sql.md index 8553e2a5500..7101bf7fb4b 100644 --- a/doc/development/sql.md +++ b/doc/development/sql.md @@ -79,8 +79,9 @@ ON table_name USING GIN(column_name gin_trgm_ops); ``` -The key here is the `GIN(column_name gin_trgm_ops)` part. This creates a [GIN -index](https://www.postgresql.org/docs/current/gin.html) with the operator class set to `gin_trgm_ops`. These indexes +The key here is the `GIN(column_name gin_trgm_ops)` part. This creates a +[GIN index](https://www.postgresql.org/docs/current/gin.html) +with the operator class set to `gin_trgm_ops`. These indexes _can_ be used by `ILIKE` / `LIKE` and can lead to greatly improved performance. One downside of these indexes is that they can easily get quite large (depending on the amount of data indexed). |