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Array mega-patch.
Joe Conway
This commit is contained in:
Bruce Momjian
@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: acl.h,v 1.52 2003/06/11 09:23:55 petere Exp $
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* $Id: acl.h,v 1.53 2003/06/24 23:14:49 momjian Exp $
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*
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* NOTES
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* For backward-compatibility purposes we have to allow there
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@ -192,6 +192,7 @@ extern Datum aclinsert(PG_FUNCTION_ARGS);
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extern Datum aclremove(PG_FUNCTION_ARGS);
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extern Datum aclcontains(PG_FUNCTION_ARGS);
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extern Datum makeaclitem(PG_FUNCTION_ARGS);
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extern Datum aclitem_eq(PG_FUNCTION_ARGS);
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/*
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* prototypes for functions in aclchk.c
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@ -10,7 +10,7 @@
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* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: array.h,v 1.38 2003/05/08 22:19:57 tgl Exp $
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* $Id: array.h,v 1.39 2003/06/24 23:14:49 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -32,6 +32,37 @@ typedef struct
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Oid elemtype; /* element type OID */
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} ArrayType;
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typedef struct ArrayBuildState
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{
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MemoryContext mcontext; /* where all the temp stuff is kept */
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Datum *dvalues; /* array of accumulated Datums */
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/*
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* The allocated size of dvalues[] is always a multiple of
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* ARRAY_ELEMS_CHUNKSIZE
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*/
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#define ARRAY_ELEMS_CHUNKSIZE 64
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int nelems; /* number of valid Datums in dvalues[] */
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Oid element_type; /* data type of the Datums */
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int16 typlen; /* needed info about datatype */
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bool typbyval;
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char typalign;
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} ArrayBuildState;
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/*
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* structure to cache type metadata needed for array manipulation
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*/
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typedef struct ArrayMetaState
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{
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Oid element_type;
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int typlen;
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bool typbyval;
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char typdelim;
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Oid typelem;
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Oid typiofunc;
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char typalign;
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FmgrInfo proc;
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} ArrayMetaState;
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/*
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* fmgr macros for array objects
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*/
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@ -86,11 +117,15 @@ extern Datum array_recv(PG_FUNCTION_ARGS);
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extern Datum array_send(PG_FUNCTION_ARGS);
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extern Datum array_length_coerce(PG_FUNCTION_ARGS);
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extern Datum array_eq(PG_FUNCTION_ARGS);
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extern Datum array_ne(PG_FUNCTION_ARGS);
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extern Datum array_lt(PG_FUNCTION_ARGS);
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extern Datum array_gt(PG_FUNCTION_ARGS);
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extern Datum array_le(PG_FUNCTION_ARGS);
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extern Datum array_ge(PG_FUNCTION_ARGS);
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extern Datum btarraycmp(PG_FUNCTION_ARGS);
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extern Datum array_dims(PG_FUNCTION_ARGS);
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extern Datum array_lower(PG_FUNCTION_ARGS);
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extern Datum array_upper(PG_FUNCTION_ARGS);
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extern Datum array_assign(PG_FUNCTION_ARGS);
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extern Datum array_subscript(PG_FUNCTION_ARGS);
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extern Datum array_type_coerce(PG_FUNCTION_ARGS);
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extern Datum array_ref(ArrayType *array, int nSubscripts, int *indx,
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@ -124,7 +159,14 @@ extern void deconstruct_array(ArrayType *array,
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Oid elmtype,
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int elmlen, bool elmbyval, char elmalign,
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Datum **elemsp, int *nelemsp);
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extern ArrayBuildState *accumArrayResult(ArrayBuildState *astate,
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Datum dvalue, bool disnull,
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Oid element_type,
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MemoryContext rcontext);
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extern Datum makeArrayResult(ArrayBuildState *astate,
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MemoryContext rcontext);
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extern Datum makeMdArrayResult(ArrayBuildState *astate, int ndims,
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int *dims, int *lbs, MemoryContext rcontext);
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/*
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* prototypes for functions defined in arrayutils.c
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@ -141,12 +183,11 @@ extern int mda_next_tuple(int n, int *curr, int *span);
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/*
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* prototypes for functions defined in array_userfuncs.c
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*/
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extern Datum singleton_array(PG_FUNCTION_ARGS);
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extern Datum array_push(PG_FUNCTION_ARGS);
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extern Datum array_accum(PG_FUNCTION_ARGS);
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extern Datum array_cat(PG_FUNCTION_ARGS);
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extern ArrayType *create_singleton_array(Oid element_type,
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extern ArrayType *create_singleton_array(FunctionCallInfo fcinfo,
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Oid element_type,
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Datum element,
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int ndims);
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@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: builtins.h,v 1.220 2003/06/24 22:21:23 momjian Exp $
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* $Id: builtins.h,v 1.221 2003/06/24 23:14:49 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -530,6 +530,8 @@ extern bool SplitIdentifierString(char *rawstring, char separator,
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List **namelist);
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extern Datum replace_text(PG_FUNCTION_ARGS);
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extern Datum split_text(PG_FUNCTION_ARGS);
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extern Datum text_to_array(PG_FUNCTION_ARGS);
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extern Datum array_to_text(PG_FUNCTION_ARGS);
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extern Datum to_hex32(PG_FUNCTION_ARGS);
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extern Datum to_hex64(PG_FUNCTION_ARGS);
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extern Datum md5_text(PG_FUNCTION_ARGS);
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@ -6,7 +6,7 @@
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* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: lsyscache.h,v 1.71 2003/06/22 22:04:55 tgl Exp $
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* $Id: lsyscache.h,v 1.72 2003/06/24 23:14:49 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -15,6 +15,15 @@
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#include "access/htup.h"
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/* I/O function selector for system_cache_lookup */
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typedef enum IOFuncSelector
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{
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IOFunc_input,
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IOFunc_output,
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IOFunc_receive,
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IOFunc_send
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} IOFuncSelector;
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extern bool op_in_opclass(Oid opno, Oid opclass);
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extern bool op_requires_recheck(Oid opno, Oid opclass);
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extern Oid get_opclass_member(Oid opclass, int16 strategy);
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@ -41,6 +50,7 @@ extern RegProcedure get_oprrest(Oid opno);
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extern RegProcedure get_oprjoin(Oid opno);
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extern char *get_func_name(Oid funcid);
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extern Oid get_func_rettype(Oid funcid);
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extern Oid *get_func_argtypes(Oid funcid, int *nargs);
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extern bool get_func_retset(Oid funcid);
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extern bool func_strict(Oid funcid);
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extern char func_volatile(Oid funcid);
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@ -56,6 +66,14 @@ extern bool get_typbyval(Oid typid);
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extern void get_typlenbyval(Oid typid, int16 *typlen, bool *typbyval);
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extern void get_typlenbyvalalign(Oid typid, int16 *typlen, bool *typbyval,
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char *typalign);
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extern void get_type_metadata(Oid element_type,
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IOFuncSelector which_func,
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int *typlen,
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bool *typbyval,
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char *typdelim,
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Oid *typelem,
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Oid *proc,
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char *typalign);
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extern char get_typstorage(Oid typid);
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extern int32 get_typtypmod(Oid typid);
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extern Node *get_typdefault(Oid typid);
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