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author | Bruce Momjian <bruce@momjian.us> | 2005-12-01 22:07:59 +0000 |
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committer | Bruce Momjian <bruce@momjian.us> | 2005-12-01 22:07:59 +0000 |
commit | 24e1a045915215a7276d80654731a9823801558b (patch) | |
tree | 37db181e6fd080ae857f2f657d71b42e3d468e7e /src/backend/utils/adt/float.c | |
parent | 8c8c0108e8f39b291286eaf3cc5c482ecc305f48 (diff) | |
download | postgresql-24e1a045915215a7276d80654731a9823801558b.tar.gz postgresql-24e1a045915215a7276d80654731a9823801558b.zip |
Split out MERGE and REPLACE/UPSERT items.
< * Add MERGE command that does UPDATE/DELETE, or on failure, INSERT (rules,
< triggers?)
> * Add SQL-standard MERGE command, typically used to merge two tables
>
> This is similar to UPDATE, then for unmatched rows, INSERT.
> Whether concurrent access allows modifications which could cause
> row loss is implementation independent.
>
> * Add REPLACE or UPSERT command that does UPDATE, or on failure, INSERT
Diffstat (limited to 'src/backend/utils/adt/float.c')
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