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Per-column collation support

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This adds collation support for columns and domains, a COLLATE clause
to override it per expression, and B-tree index support.

Peter Eisentraut
reviewed by Pavel Stehule, Itagaki Takahiro, Robert Haas, Noah Misch
This commit is contained in:
Peter Eisentraut
2011-02-08 23:04:18 +02:00
parent 1703f0e8da
commit 414c5a2ea6
156 changed files with 4519 additions and 582 deletions
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4
src/backend/access/nbtree/nbtsearch.c
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@@ -723,6 +723,8 @@ _bt_first(IndexScanDesc scan, ScanDirection dir)
cur->sk_subtype,
procinfo,
cur->sk_argument);
ScanKeyEntryInitializeCollation(scankeys + i,
cur->sk_func.fn_collation);
}
else
{
@@ -743,6 +745,8 @@ _bt_first(IndexScanDesc scan, ScanDirection dir)
cur->sk_subtype,
cmp_proc,
cur->sk_argument);
ScanKeyEntryInitializeCollation(scankeys + i,
cur->sk_func.fn_collation);
}
}
}