Marios Trivyzas
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410f570d5f
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SQL: Implement NULLIF(expr1, expr2) function (#35826)
NULLIF returns null if the 2 expressions are equal or the
expr1 otherwise.
Closes: #35818
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2018-11-23 22:19:27 +01:00 |
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Marios Trivyzas
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92acf47c16
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SQL: Implement NVL(expr1, expr2) (#35794)
Add NVL as alias to IFNULL as they have the same
behaviour. Add basic tests and docs.
Closes: #35782
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2018-11-22 11:41:00 +01:00 |
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Marios Trivyzas
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d95d885bae
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SQL: Implement ISNULL(expr1, expr2) (#35793)
Add ISNULL as an alias of IFNULL as they have the
same behaviour. Add basic test and docs.
Closes: #35781
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2018-11-21 23:15:10 +01:00 |
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Marios Trivyzas
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e179bd393d
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SQL: Implement IFNULL variant of COALESCE (#35762)
IFNULL is a MySQL variant (also used in other DBs) which
takes only 2 arguments and returns the first one that is not null.
Closes: #35749
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2018-11-21 17:07:07 +01:00 |
Marios Trivyzas
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b1818dbdce
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SQL: [docs] Add documentation for COALESCE (#35740)
Follows: #35253
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2018-11-21 01:43:05 +01:00 |