63.5. Examples
ThePostgres Pro core system currently provides text search support (indexing for B-tree equivalent functionality for several data types Indexing for multidimensional cubes Module for storing (key, value) pairs RD-Tree for one-dimensional array of int4 values Indexing for tree-like structures Text similarity using trigram matching Indexing for“float ranges”tsvector andtsquery) as well as R-Tree equivalent functionality for some of the built-in geometric data types. The followingcontrib modules also containGiST operator classes:btree_gistcubehstoreintarrayltreepg_trgmseg