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SHOW INDEXES

Returns a table with a row for each Firebolt index defined in the current database, with columns containing information about each index as listed below.

Syntax

SHOW INDEXES;

Returns

The returned table has the following columns.

Column name Data Type Description
index_name TEXT The name of the index.
table_name TEXT The name of the table associated with the index.
type TEXT One of primary, or aggregating.
expression ARRAY (TEXT) An ordered array of the expression in SQL that defined the index.
size_compressed DOUBLE PRECISION The size of the index in bytes.
size_uncompressed DOUBLE PRECISION The uncompressed size of the index in bytes.
compression_ratio DOUBLE PRECISION The compression ratio (<size_uncompressed>/<size_compressed>).
number_of_segments INTEGER The number of segments comprising the table.

Example

The following example returns information about indexes in the database queried:

SHOW INDEXES;
index_name table_name type expression size_compressed size_uncompressed compression_ratio number_of_tablets
players_join_idx players join [“playerid”,”nickname”,”email”,”agecategory”] 819.98 KiB 819.98 KiB 1 0