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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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9
src/include/nodes/pg_list.h
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@@ -182,6 +182,15 @@ extern int list_length(List *l);
(cell1) != NULL && (cell2) != NULL; \
(cell1) = lnext(cell1), (cell2) = lnext(cell2))
/*
* forthree -
* the same for three lists
*/
#define forthree(cell1, list1, cell2, list2, cell3, list3) \
for ((cell1) = list_head(list1), (cell2) = list_head(list2), (cell3) = list_head(list3); \
(cell1) != NULL && (cell2) != NULL && (cell3) != NULL; \
(cell1) = lnext(cell1), (cell2) = lnext(cell2), (cell3) = lnext(cell3))
extern List *lappend(List *list, void *datum);
extern List *lappend_int(List *list, int datum);
extern List *lappend_oid(List *list, Oid datum);