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Added test [#CLICKHOUSE-2873].

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This commit is contained in:
Alexey Milovidov 2017-03-08 00:45:25 +03:00
parent f88b46c259
commit 520e891190
2 changed files with 940 additions and 0 deletions
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dbms/tests/queries/0_stateless/00430_if_nulls.reference Normal file
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Hello
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dbms/tests/queries/0_stateless/00430_if_nulls.sql Normal file
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/* Condition could be:
* - constant, true
* - constant, false
* - constant, NULL
* - non constant, non nullable
* - non constant, nullable
*
* Then and else could be:
* - constant, not NULL
* - constant, NULL
* - non constant, non nullable
* - non constant, nullable
*
* Thus we have 5 * 4 * 4 = 80 combinations.
*/
DROP TABLE IF EXISTS test.nullable;
CREATE VIEW test.nullable
AS SELECT
1 AS constant_true,
0 AS constant_false,
NULL AS constant_null,
number % 3 = 1 AS cond_non_constant,
number % 3 = 2 ? NULL : (number % 3 = 1) AS cond_non_constant_nullable,
'Hello' AS then_constant,
'World' AS else_constant,
toString(number) AS then_non_constant,
toString(-number) AS else_non_constant,
nullIf(toString(number), '5') AS then_non_constant_nullable,
nullIf(toString(-number), '-5') AS else_non_constant_nullable
FROM system.numbers LIMIT 10;
SELECT constant_true ? then_constant : else_constant AS res FROM test.nullable;
SELECT constant_true ? then_constant : constant_null AS res FROM test.nullable;
SELECT constant_true ? then_constant : else_non_constant AS res FROM test.nullable;
SELECT constant_true ? then_constant : else_non_constant_nullable AS res FROM test.nullable;
SELECT constant_true ? constant_null : else_constant AS res FROM test.nullable;
SELECT constant_true ? constant_null : constant_null AS res FROM test.nullable;
SELECT constant_true ? constant_null : else_non_constant AS res FROM test.nullable;
SELECT constant_true ? constant_null : else_non_constant_nullable AS res FROM test.nullable;
SELECT constant_true ? then_non_constant : else_constant AS res FROM test.nullable;
SELECT constant_true ? then_non_constant : constant_null AS res FROM test.nullable;
SELECT constant_true ? then_non_constant : else_non_constant AS res FROM test.nullable;
SELECT constant_true ? then_non_constant : else_non_constant_nullable AS res FROM test.nullable;
SELECT constant_true ? then_non_constant_nullable : else_constant AS res FROM test.nullable;
SELECT constant_true ? then_non_constant_nullable : constant_null AS res FROM test.nullable;
SELECT constant_true ? then_non_constant_nullable : else_non_constant AS res FROM test.nullable;
SELECT constant_true ? then_non_constant_nullable : else_non_constant_nullable AS res FROM test.nullable;
SELECT constant_false ? then_constant : else_constant AS res FROM test.nullable;
SELECT constant_false ? then_constant : constant_null AS res FROM test.nullable;
SELECT constant_false ? then_constant : else_non_constant AS res FROM test.nullable;
SELECT constant_false ? then_constant : else_non_constant_nullable AS res FROM test.nullable;
SELECT constant_false ? constant_null : else_constant AS res FROM test.nullable;
SELECT constant_false ? constant_null : constant_null AS res FROM test.nullable;
SELECT constant_false ? constant_null : else_non_constant AS res FROM test.nullable;
SELECT constant_false ? constant_null : else_non_constant_nullable AS res FROM test.nullable;
SELECT constant_false ? then_non_constant : else_constant AS res FROM test.nullable;
SELECT constant_false ? then_non_constant : constant_null AS res FROM test.nullable;
SELECT constant_false ? then_non_constant : else_non_constant AS res FROM test.nullable;
SELECT constant_false ? then_non_constant : else_non_constant_nullable AS res FROM test.nullable;
SELECT constant_false ? then_non_constant_nullable : else_constant AS res FROM test.nullable;
SELECT constant_false ? then_non_constant_nullable : constant_null AS res FROM test.nullable;
SELECT constant_false ? then_non_constant_nullable : else_non_constant AS res FROM test.nullable;
SELECT constant_false ? then_non_constant_nullable : else_non_constant_nullable AS res FROM test.nullable;
SELECT constant_null ? then_constant : else_constant AS res FROM test.nullable;
SELECT constant_null ? then_constant : constant_null AS res FROM test.nullable;
SELECT constant_null ? then_constant : else_non_constant AS res FROM test.nullable;
SELECT constant_null ? then_constant : else_non_constant_nullable AS res FROM test.nullable;
SELECT constant_null ? constant_null : else_constant AS res FROM test.nullable;
SELECT constant_null ? constant_null : constant_null AS res FROM test.nullable;
SELECT constant_null ? constant_null : else_non_constant AS res FROM test.nullable;
SELECT constant_null ? constant_null : else_non_constant_nullable AS res FROM test.nullable;
SELECT constant_null ? then_non_constant : else_constant AS res FROM test.nullable;
SELECT constant_null ? then_non_constant : constant_null AS res FROM test.nullable;
SELECT constant_null ? then_non_constant : else_non_constant AS res FROM test.nullable;
SELECT constant_null ? then_non_constant : else_non_constant_nullable AS res FROM test.nullable;
SELECT constant_null ? then_non_constant_nullable : else_constant AS res FROM test.nullable;
SELECT constant_null ? then_non_constant_nullable : constant_null AS res FROM test.nullable;
SELECT constant_null ? then_non_constant_nullable : else_non_constant AS res FROM test.nullable;
SELECT constant_null ? then_non_constant_nullable : else_non_constant_nullable AS res FROM test.nullable;
SELECT cond_non_constant ? then_constant : else_constant AS res FROM test.nullable;
SELECT cond_non_constant ? then_constant : constant_null AS res FROM test.nullable;
SELECT cond_non_constant ? then_constant : else_non_constant AS res FROM test.nullable;
SELECT cond_non_constant ? then_constant : else_non_constant_nullable AS res FROM test.nullable;
SELECT cond_non_constant ? constant_null : else_constant AS res FROM test.nullable;
SELECT cond_non_constant ? constant_null : constant_null AS res FROM test.nullable;
SELECT cond_non_constant ? constant_null : else_non_constant AS res FROM test.nullable;
SELECT cond_non_constant ? constant_null : else_non_constant_nullable AS res FROM test.nullable;
SELECT cond_non_constant ? then_non_constant : else_constant AS res FROM test.nullable;
SELECT cond_non_constant ? then_non_constant : constant_null AS res FROM test.nullable;
SELECT cond_non_constant ? then_non_constant : else_non_constant AS res FROM test.nullable;
SELECT cond_non_constant ? then_non_constant : else_non_constant_nullable AS res FROM test.nullable;
SELECT cond_non_constant ? then_non_constant_nullable : else_constant AS res FROM test.nullable;
SELECT cond_non_constant ? then_non_constant_nullable : constant_null AS res FROM test.nullable;
SELECT cond_non_constant ? then_non_constant_nullable : else_non_constant AS res FROM test.nullable;
SELECT cond_non_constant ? then_non_constant_nullable : else_non_constant_nullable AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? then_constant : else_constant AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? then_constant : constant_null AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? then_constant : else_non_constant AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? then_constant : else_non_constant_nullable AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? constant_null : else_constant AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? constant_null : constant_null AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? constant_null : else_non_constant AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? constant_null : else_non_constant_nullable AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? then_non_constant : else_constant AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? then_non_constant : constant_null AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? then_non_constant : else_non_constant AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? then_non_constant : else_non_constant_nullable AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? then_non_constant_nullable : else_constant AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? then_non_constant_nullable : constant_null AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? then_non_constant_nullable : else_non_constant AS res FROM test.nullable;
SELECT cond_non_constant_nullable ? then_non_constant_nullable : else_non_constant_nullable AS res FROM test.nullable;
DROP TABLE test.nullable;