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57 lines
1.9 KiB
SQL
57 lines
1.9 KiB
SQL
DROP TABLE IF EXISTS t_nullable_keys_1;
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CREATE TABLE t_nullable_keys_1 (x Nullable(Int64)) ENGINE = Memory;
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INSERT INTO t_nullable_keys_1 VALUES (1), (1), (NULL);
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SELECT x, count(), countIf(x IS NULL) FROM t_nullable_keys_1 GROUP BY x ORDER BY x;
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DROP TABLE t_nullable_keys_1;
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DROP TABLE IF EXISTS t_nullable_keys_2;
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CREATE TABLE t_nullable_keys_2 (x Nullable(Int64)) ENGINE = Memory;
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INSERT INTO t_nullable_keys_2 VALUES (NULL), (1), (1);
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SELECT x, count(), countIf(x IS NULL) FROM t_nullable_keys_2 GROUP BY x ORDER BY x;
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DROP TABLE t_nullable_keys_2;
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DROP TABLE IF EXISTS t_nullable_keys_3;
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CREATE TABLE t_nullable_keys_3 (x Nullable(Int64)) ENGINE = Memory;
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INSERT INTO t_nullable_keys_3 VALUES (NULL), (NULL), (NULL);
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SELECT x, count(), countIf(x IS NULL) FROM t_nullable_keys_3 GROUP BY x ORDER BY x;
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DROP TABLE t_nullable_keys_3;
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DROP TABLE IF EXISTS t_nullable_keys_4;
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CREATE TABLE t_nullable_keys_4 (x Nullable(Int64)) ENGINE = Memory;
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INSERT INTO t_nullable_keys_4 VALUES (1), (1), (1);
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SELECT x, count(), countIf(x IS NULL) FROM t_nullable_keys_4 GROUP BY x ORDER BY x;
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DROP TABLE t_nullable_keys_4;
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DROP TABLE IF EXISTS t_nullable_keys_5;
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CREATE TABLE t_nullable_keys_5 (x Nullable(Int64)) ENGINE = Memory;
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INSERT INTO t_nullable_keys_5 VALUES (1), (NULL), (1);
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SELECT x, count(), countIf(x IS NULL) FROM t_nullable_keys_5 GROUP BY x ORDER BY x;
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DROP TABLE t_nullable_keys_5;
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DROP TABLE IF EXISTS t_nullable_keys_6;
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CREATE TABLE t_nullable_keys_6 (x Nullable(Int64)) ENGINE = Memory;
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INSERT INTO t_nullable_keys_6 VALUES (NULL), (1), (NULL);
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SELECT x, count(), countIf(x IS NULL) FROM t_nullable_keys_6 GROUP BY x ORDER BY x;
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DROP TABLE t_nullable_keys_6;
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SYSTEM FLUSH LOGS;
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SELECT
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splitByChar('.', tables[1])[2] AS table,
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ProfileEvents['AggregationOptimizedEqualRangesOfKeys'] > 0
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FROM system.query_log
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WHERE type = 'QueryFinish' AND current_database = currentDatabase() AND query LIKE '%SELECT%FROM%t_nullable_keys_%'
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ORDER BY table;
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