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| author | Sebastian Harl <sh@tokkee.org> | |
| Sun, 19 Oct 2014 12:00:41 +0000 (14:00 +0200) | ||
| committer | Sebastian Harl <sh@tokkee.org> | |
| Sun, 19 Oct 2014 12:00:41 +0000 (14:00 +0200) | ||
| commit | 32cb89de68b9855c2369edbd389fac7b29678581 | |
| tree | 30bb52112e494ddb75a598b5453ba036d52cac69 | tree | snapshot |
| parent | 8d70fa00dd40edc9ecfc26d2d71994a392eea80b | commit | diff |
data: Let CONCAT return NULL if any of its operands is NULL.
This mimics behavior in SQL and also allows for missing values to be reported
as NULL and propagate that information.
This mimics behavior in SQL and also allows for missing values to be reported
as NULL and propagate that information.
| src/core/data.c | diff | blob | history | |
| t/unit/core/data_test.c | diff | blob | history |