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15 lines
733 B
SQL
15 lines
733 B
SQL
SELECT 1 ? 1 : 0;
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SELECT 0 ? not_existing_column : 1 FROM system.numbers LIMIT 1;
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SELECT 1 ? (0 ? not_existing_column : 2) : 0 FROM system.numbers LIMIT 1;
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/* scalar subquery optimization */
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SELECT (SELECT toUInt8(number + 1) FROM system.numbers LIMIT 1) ? 1 : 2 FROM system.numbers LIMIT 1;
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/* alias test */
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SELECT (1 as a) ? (2 as b) : (3 as c) as d, a, b, c, d FORMAT TSKV;
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SELECT (0 as a) ? (2 as b) : (3 as c) as d, a, b, c, d FORMAT TSKV;
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SELECT (1 as a) ? (number + 2 as b) : (number + 3 as c) as d, a, b, c, d FROM system.numbers LIMIT 1 FORMAT TSKV;
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/* intergration test */
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SELECT (SELECT hasColumnInTable('system', 'numbers', 'not_existing')) ? not_existing : 42 as not_existing FROM system.numbers LIMIT 1 FORMAT TSKV; |