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21 lines
712 B
MySQL
21 lines
712 B
MySQL
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DROP TABLE IF EXISTS t_skip_index_in;
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CREATE TABLE t_skip_index_in
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(
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a String,
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b String,
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c String,
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INDEX idx_c c TYPE bloom_filter GRANULARITY 1
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)
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ENGINE = MergeTree
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ORDER BY (a, b);
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INSERT INTO t_skip_index_in VALUES ('a', 'b', 'c');
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-- This query checks that set is not being built if indexes are not used,
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-- because with EXPLAIN the set will be built only for analysis of indexes.
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EXPLAIN SELECT count() FROM t_skip_index_in WHERE c IN (SELECT throwIf(1)) SETTINGS use_skip_indexes = 0 FORMAT Null;
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EXPLAIN SELECT count() FROM t_skip_index_in WHERE c IN (SELECT throwIf(1)) SETTINGS use_skip_indexes = 1; -- { serverError FUNCTION_THROW_IF_VALUE_IS_NON_ZERO }
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DROP TABLE t_skip_index_in;
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