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81 lines
2.1 KiB
SQL
81 lines
2.1 KiB
SQL
-- Tags: no-parallel
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-- no-parallel: creates a custom database schema and expects to use it exclusively
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-- Create a test table and verify that the output of SHOW INDEXES is sane.
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-- The matching of actual/expected results relies on the fact that the output of SHOW INDEX is sorted.
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DROP TABLE IF EXISTS tbl;
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CREATE TABLE tbl
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(
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a UInt64,
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b UInt64,
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c UInt64,
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d UInt64,
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e UInt64,
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INDEX mm1_idx (a, c, d) TYPE minmax,
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INDEX mm2_idx (c, d, e) TYPE minmax,
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INDEX set_idx (e) TYPE set(100),
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INDEX blf_idx (d, b) TYPE bloom_filter(0.8)
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)
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ENGINE = MergeTree
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PRIMARY KEY (c, a);
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SELECT '--- Aliases of SHOW INDEX';
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SHOW INDEX FROM tbl;
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SHOW INDEXES FROM tbl;
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SHOW INDICES FROM tbl;
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SHOW KEYS FROM tbl;
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SELECT '--- EXTENDED';
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SHOW EXTENDED INDEX FROM tbl;
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--
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SELECT '--- WHERE';
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SHOW INDEX FROM tbl WHERE index_type LIKE '%minmax%';
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SELECT '--- Check with weird table names';
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DROP TABLE IF EXISTS `$4@^7`;
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CREATE TABLE `$4@^7` (c String) ENGINE = MergeTree ORDER BY c;
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SHOW INDEX FROM `$4@^7`;
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DROP TABLE `$4@^7`;
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DROP TABLE IF EXISTS NULL;
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CREATE TABLE NULL (c String) ENGINE = MergeTree ORDER BY c;
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SHOW INDEX FROM NULL;
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DROP TABLE NULL;
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DROP DATABASE IF EXISTS `'`;
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CREATE DATABASE `'`;
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CREATE TABLE `'`.`'` (c String) ENGINE = MergeTree ORDER BY c;
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SHOW INDEX FROM `'` FROM `'`;
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SHOW INDEX FROM `'`.`'`; -- abbreviated form
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DROP TABLE `'`.`'`;
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DROP DATABASE `'`;
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-- Create a table in a different database. Intentionally using the same table/column names as above so
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-- we notice if something is buggy in the implementation of SHOW INDEX.
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DROP DATABASE IF EXISTS database_123456789abcde;
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CREATE DATABASE database_123456789abcde; -- pseudo-random database name
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DROP TABLE IF EXISTS database_123456789abcde.tbl;
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CREATE TABLE database_123456789abcde.tbl
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(
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a UInt64,
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b UInt64,
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INDEX mmi_idx b TYPE minmax
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)
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ENGINE = MergeTree
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PRIMARY KEY a;
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SELECT '--- Original table';
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SHOW INDEX FROM tbl;
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SELECT '--- Equally named table in other database';
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SHOW INDEX FROM tbl FROM database_123456789abcde;
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SELECT '--- Short form';
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SHOW INDEX FROM database_123456789abcde.tbl;
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DROP DATABASE database_123456789abcde;
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DROP TABLE tbl;
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