I'm not sure about the '%' operator, but I'm sure that the GIST index will never be used in the
SELECT * FROM users WHERE lower(name) LIKE '%john%';
query; it is used for left or right anchored search, such as 'john%' or '%john'.SELECT * FROM users WHERE lower(name) LIKE '%john%';
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Giuseppe Broccolo - 2ndQuadrant Italy
PostgreSQL Training, Services and Support
giuseppe.broccolo@xxxxxxxxxxxxxx | www.2ndQuadrant.it
PostgreSQL Training, Services and Support
giuseppe.broccolo@xxxxxxxxxxxxxx | www.2ndQuadrant.it
