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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/include/utils/builtins.h
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@ -623,6 +623,8 @@ extern List *deparse_context_for_planstate(Node *planstate, List *ancestors,
extern const char *quote_identifier(const char *ident);
extern char *quote_qualified_identifier(const char *qualifier,
const char *ident);
extern char *generate_collation_name(Oid collid);
/* tid.c */
extern Datum tidin(PG_FUNCTION_ARGS);
@ -714,7 +716,7 @@ extern Datum textoverlay(PG_FUNCTION_ARGS);
extern Datum textoverlay_no_len(PG_FUNCTION_ARGS);
extern Datum name_text(PG_FUNCTION_ARGS);
extern Datum text_name(PG_FUNCTION_ARGS);
extern int varstr_cmp(char *arg1, int len1, char *arg2, int len2);
extern int varstr_cmp(char *arg1, int len1, char *arg2, int len2, Oid collid);
extern List *textToQualifiedNameList(text *textval);
extern bool SplitIdentifierString(char *rawstring, char separator,
List **namelist);