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A database structure that can improve the speed of queries at the cost of disk space and slower inserts/updates. It stores a copy of one or more columns sorted but structures the data differently to allow faster access.

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EXTENSION pg_trgm Then tried the following indexes and got the errors: 1: Issue: ERROR: operator class "gin_trgm_ops" does not accept data type timestamp with time zone CREATE INDEX CONCURRENTLY … trgm_table_col1_date_index ON table USING gin (provider_id, date1 gin_trgm_ops); 2: Issue: ERROR: operator class "text_pattern_ops" does not exist for access method "gin" CREATE INDEX CONCURRENTLY …
asked Jan 23 '18 by Atihska