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SHOW INDEXES



Shows the created indexes. Equivalent to SELECT * FROM system.indexes.

See also: system.indexes

Syntax

SHOW INDEXES [LIKE '<pattern>' | WHERE <expr>] | [LIMIT <limit>]

Example

CREATE TABLE t1(a int,b int); CREATE AGGREGATING INDEX agg_idx AS SELECT avg(a), abs(sum(b)), abs(b) AS bs FROM t1 GROUP BY bs; SHOW INDEXES; ┌──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐ │ name │ type │ original │ definition │ created_on │ updated_on │ ├─────────┼─────────────┼──────────────────────────────────────────────────────────────────────┼────────────────────────────────────────────────────────────────────────────────────┼────────────────────────────┼─────────────────────┤ │ agg_idx │ AGGREGATING │ SELECT avg(a), abs(sum(b)), abs(b) AS bs FROM default.t1 GROUP BY bs │ SELECT abs(b) AS bs, COUNT(), COUNT(a), SUM(a), SUM(b) FROM default.t1 GROUP BY bs │ 2024-01-29 07:15:34.856234NULL │ └──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘

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