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2378491c04
This is required to support queries (like `foo IS NULL`) to external databases (i.e. MySQL). This patch had been submitted separately, due to: - avoid mixing patches - run CI (and update tests references)
48 lines
663 B
Plaintext
48 lines
663 B
Plaintext
0 0 1
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0 1 0
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SELECT
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id IS NULL,
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`n.null`,
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NOT `n.null`
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FROM t_func_to_subcolumns
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3 0 1 0
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0 1 0 \N
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SELECT
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`arr.size0`,
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`arr.size0` = 0,
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`arr.size0` != 0,
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empty(n)
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FROM t_func_to_subcolumns
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['foo','bar'] [1,2]
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[] []
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SELECT
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`m.keys`,
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`m.values`
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FROM t_func_to_subcolumns
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1
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SELECT sum(NOT `n.null`)
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FROM t_func_to_subcolumns
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2
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SELECT count(id)
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FROM t_func_to_subcolumns
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1 0 0
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2 1 0
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3 0 0
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SELECT
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id,
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`n.null`,
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right.n IS NULL
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FROM t_func_to_subcolumns AS left
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ALL FULL OUTER JOIN
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(
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SELECT
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1 AS id,
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\'qqq\' AS n
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UNION ALL
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SELECT
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3 AS id,
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\'www\'
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) AS right USING (id)
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0 10
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0 20
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