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Tom Lane 220db7ccd8 Simplify and standardize conversions between TEXT datums and ordinary C ... strings. This patch introduces four support functions cstring_to_text, cstring_to_text_with_len, text_to_cstring, and text_to_cstring_buffer, and two macros CStringGetTextDatum and TextDatumGetCString. A number of existing macros that provided variants on these themes were removed. Most of the places that need to make such conversions now require just one function or macro call, in place of the multiple notational layers that used to be needed. There are no longer any direct calls of textout or textin, and we got most of the places that were using handmade conversions via memcpy (there may be a few still lurking, though). This commit doesn't make any serious effort to eliminate transient memory leaks caused by detoasting toasted text objects before they reach text_to_cstring. We changed PG_GETARG_TEXT_P to PG_GETARG_TEXT_PP in a few places where it was easy, but much more could be done. Brendan Jurd and Tom Lane		18 years ago
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data	Have crosstab variants treat NULL rowid as a category in its own right,	18 years ago
expected	Fix a few contrib regression test scripts that hadn't gotten the word	18 years ago
sql	Fix a few contrib regression test scripts that hadn't gotten the word	18 years ago
Makefile	Remove references to READMEs from /contrib Makefiles.	18 years ago
tablefunc.c	Simplify and standardize conversions between TEXT datums and ordinary C	18 years ago
tablefunc.h	Update copyrights in source tree to 2008.	18 years ago
tablefunc.sql.in	Add CVS version labels to all install/uninstall scripts.	18 years ago
uninstall_tablefunc.sql	Add CVS version labels to all install/uninstall scripts.	18 years ago