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Add PL/Python functions for quoting strings

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Add functions plpy.quote_ident, plpy.quote_literal,
plpy.quote_nullable, which wrap the equivalent SQL functions.

To be able to propagate char * constness properly, make the argument
of quote_literal_cstr() const char *.  This also makes it more
consistent with quote_identifier().

Jan Urbański, reviewed by Hitoshi Harada, some refinements by Peter
Eisentraut
This commit is contained in:
Peter Eisentraut
2011-02-22 23:33:44 +02:00
parent 3e6b305d9e
commit 1c51c7d5ff
8 changed files with 179 additions and 7 deletions
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2
src/include/utils/builtins.h
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@ -988,7 +988,7 @@ extern int32 type_maximum_size(Oid type_oid, int32 typemod);
/* quote.c */
extern Datum quote_ident(PG_FUNCTION_ARGS);
extern Datum quote_literal(PG_FUNCTION_ARGS);
extern char *quote_literal_cstr(char *rawstr);
extern char *quote_literal_cstr(const char *rawstr);
extern Datum quote_nullable(PG_FUNCTION_ARGS);
/* guc.c */