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Infrastructure for I/O of composite types: arrange for the I/O routines

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of a composite type to get that type's OID as their second parameter,
in place of typelem which is useless.  The actual changes are mostly
centralized in getTypeInputInfo and siblings, but I had to fix a few
places that were fetching pg_type.typelem for themselves instead of
using the lsyscache.c routines.  Also, I renamed all the related variables
from 'typelem' to 'typioparam' to discourage people from assuming that
they necessarily contain array element types.
This commit is contained in:
Tom Lane
2004-06-06 00:41:28 +00:00
parent c3a153afed
commit c541bb86e9
25 changed files with 332 additions and 382 deletions
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13
src/include/utils/lsyscache.h
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/lsyscache.h,v 1.86 2003/12/03 17:45:10 tgl Exp $
* $PostgreSQL: pgsql/src/include/utils/lsyscache.h,v 1.87 2004/06/06 00:41:28 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -71,13 +71,14 @@ extern bool get_typbyval(Oid typid);
extern void get_typlenbyval(Oid typid, int16 *typlen, bool *typbyval);
extern void get_typlenbyvalalign(Oid typid, int16 *typlen, bool *typbyval,
char *typalign);
extern Oid getTypeIOParam(HeapTuple typeTuple);
extern void get_type_io_data(Oid typid,
IOFuncSelector which_func,
int16 *typlen,
bool *typbyval,
char *typalign,
char *typdelim,
Oid *typelem,
Oid *typioparam,
Oid *func);
extern char get_typstorage(Oid typid);
extern int32 get_typtypmod(Oid typid);
@@ -86,11 +87,11 @@ extern char get_typtype(Oid typid);
extern Oid get_typ_typrelid(Oid typid);
extern Oid get_element_type(Oid typid);
extern Oid get_array_type(Oid typid);
extern void getTypeInputInfo(Oid type, Oid *typInput, Oid *typElem);
extern void getTypeOutputInfo(Oid type, Oid *typOutput, Oid *typElem,
extern void getTypeInputInfo(Oid type, Oid *typInput, Oid *typIOParam);
extern void getTypeOutputInfo(Oid type, Oid *typOutput, Oid *typIOParam,
bool *typIsVarlena);
extern void getTypeBinaryInputInfo(Oid type, Oid *typReceive, Oid *typElem);
extern void getTypeBinaryOutputInfo(Oid type, Oid *typSend, Oid *typElem,
extern void getTypeBinaryInputInfo(Oid type, Oid *typReceive, Oid *typIOParam);
extern void getTypeBinaryOutputInfo(Oid type, Oid *typSend, Oid *typIOParam,
bool *typIsVarlena);
extern Oid getBaseType(Oid typid);
extern int32 get_typavgwidth(Oid typid, int32 typmod);