Re: [Fwd: C&SRF API patch (was Re: [HACKERS] revised sample

Your patch has been added to the PostgreSQL unapplied patches list at:

http://candle.pha.pa.us/cgi-bin/pgpatches

I will try to apply it within the next 48 hours.

---------------------------------------------------------------------------

Joe Conway wrote:
> Tom Lane wrote:
> > Joe Conway <mail(at)joeconway(dot)com> writes:
> >>Is the approach in my patch still too ugly to allow a builtin SRF (set
> >>the function return type to 0 in pg_proc.h, create a view and fix the
> >>pg_proc entry during initdb)?
> >
> > Too ugly for my taste anyway ...
>
> OK.
>
> Here is a patch for Composite and Set returning function support. I made
> two small changes to the API since last patch, which hopefully completes
> the decoupling of composite function support from SRF specific support.
> If there are no (further ;-)) objections, please apply. I'll send
> another post with a patch for contrib/showguc.
>
> Thanks,
>
> Joe
>

> Index: src/backend/access/common/tupdesc.c
> ===================================================================
> RCS file: /opt/src/cvs/pgsql/src/backend/access/common/tupdesc.c,v
> retrieving revision 1.78
> diff -c -r1.78 tupdesc.c
> *** src/backend/access/common/tupdesc.c 29 Mar 2002 19:05:59 -0000 1.78
> --- src/backend/access/common/tupdesc.c 9 Jun 2002 21:00:31 -0000
> ***************
> *** 19,24 ****
> --- 19,27 ----
>
> #include "postgres.h"
>
> + #include "funcapi.h"
> + #include "access/heapam.h"
> + #include "catalog/namespace.h"
> #include "catalog/pg_type.h"
> #include "nodes/parsenodes.h"
> #include "parser/parse_type.h"
> ***************
> *** 548,551 ****
> --- 551,660 ----
> desc->constr = NULL;
> }
> return desc;
> + }
> +
> +
> + /*
> + * RelationNameGetTupleDesc
> + *
> + * Given a (possibly qualified) relation name, build a TupleDesc.
> + */
> + TupleDesc
> + RelationNameGetTupleDesc(char *relname)
> + {
> + RangeVar *relvar;
> + Relation rel;
> + TupleDesc tupdesc;
> + List *relname_list;
> +
> + /* Open relation and get the tuple description */
> + relname_list = stringToQualifiedNameList(relname, "RelationNameGetTupleDesc");
> + relvar = makeRangeVarFromNameList(relname_list);
> + rel = heap_openrv(relvar, AccessShareLock);
> + tupdesc = CreateTupleDescCopy(RelationGetDescr(rel));
> + relation_close(rel, AccessShareLock);
> +
> + return tupdesc;
> + }
> +
> + /*
> + * TypeGetTupleDesc
> + *
> + * Given a type Oid, build a TupleDesc.
> + *
> + * If the type is composite, *and* a colaliases List is provided, *and*
> + * the List is of natts length, use the aliases instead of the relation
> + * attnames.
> + *
> + * If the type is a base type, a single item alias List is required.
> + */
> + TupleDesc
> + TypeGetTupleDesc(Oid typeoid, List *colaliases)
> + {
> + Oid relid = typeidTypeRelid(typeoid);
> + TupleDesc tupdesc;
> +
> + /*
> + * Build a suitable tupledesc representing the output rows
> + */
> + if (OidIsValid(relid))
> + {
> + /* Composite data type, i.e. a table's row type */
> + Relation rel;
> + int natts;
> +
> + rel = relation_open(relid, AccessShareLock);
> + tupdesc = CreateTupleDescCopy(RelationGetDescr(rel));
> + natts = tupdesc->natts;
> + relation_close(rel, AccessShareLock);
> +
> + /* check to see if we've given column aliases */
> + if(colaliases != NIL)
> + {
> + char *label;
> + int varattno;
> +
> + /* does the List length match the number of attributes */
> + if (length(colaliases) != natts)
> + elog(ERROR, "TypeGetTupleDesc: number of aliases does not match number of attributes");
> +
> + /* OK, use the aliases instead */
> + for (varattno = 0; varattno < natts; varattno++)
> + {
> + label = strVal(nth(varattno, colaliases));
> +
> + if (label != NULL)
> + namestrcpy(&(tupdesc->attrs[varattno]->attname), label);
> + else
> + MemSet(NameStr(tupdesc->attrs[varattno]->attname), 0, NAMEDATALEN);
> + }
> + }
> + }
> + else
> + {
> + /* Must be a base data type, i.e. scalar */
> + char *attname;
> +
> + /* the alias List is required for base types */
> + if (colaliases == NIL)
> + elog(ERROR, "TypeGetTupleDesc: no column alias was provided");
> +
> + /* the alias List length must be 1 */
> + if (length(colaliases) != 1)
> + elog(ERROR, "TypeGetTupleDesc: number of aliases does not match number of attributes");
> +
> + /* OK, get the column alias */
> + attname = strVal(lfirst(colaliases));
> +
> + tupdesc = CreateTemplateTupleDesc(1);
> + TupleDescInitEntry(tupdesc,
> + (AttrNumber) 1,
> + attname,
> + typeoid,
> + -1,
> + 0,
> + false);
> + }
> +
> + return tupdesc;
> }
> Index: src/backend/executor/execTuples.c
> ===================================================================
> RCS file: /opt/src/cvs/pgsql/src/backend/executor/execTuples.c,v
> retrieving revision 1.51
> diff -c -r1.51 execTuples.c
> *** src/backend/executor/execTuples.c 21 Mar 2002 06:21:04 -0000 1.51
> --- src/backend/executor/execTuples.c 9 Jun 2002 21:00:31 -0000
> ***************
> *** 107,117 ****
> */
> #include "postgres.h"
>
> #include "access/heapam.h"
> #include "catalog/pg_type.h"
> #include "executor/executor.h"
>
> -
> /* ----------------------------------------------------------------
> * tuple table create/delete functions
> * ----------------------------------------------------------------
> --- 107,117 ----
> */
> #include "postgres.h"
>
> + #include "funcapi.h"
> #include "access/heapam.h"
> #include "catalog/pg_type.h"
> #include "executor/executor.h"
>
> /* ----------------------------------------------------------------
> * tuple table create/delete functions
> * ----------------------------------------------------------------
> ***************
> *** 673,675 ****
> --- 673,795 ----
>
> return typeInfo;
> }
> +
> + /*
> + * TupleDescGetSlot - Initialize a slot based on the supplied
> + * tupledesc
> + */
> + TupleTableSlot *
> + TupleDescGetSlot(TupleDesc tupdesc)
> + {
> + TupleTableSlot *slot;
> +
> + /* Make a standalone slot */
> + slot = MakeTupleTableSlot();
> +
> + /* Bind the tuple description to the slot */
> + ExecSetSlotDescriptor(slot, tupdesc, true);
> +
> + /* Return the slot */
> + return slot;
> + }
> +
> + /*
> + * TupleDescGetAttInMetadata - Get a pointer to AttInMetadata based on the
> + * supplied TupleDesc. AttInMetadata can be used in conjunction with C strings
> + * to produce a properly formed tuple.
> + */
> + AttInMetadata *
> + TupleDescGetAttInMetadata(TupleDesc tupdesc)
> + {
> + int natts;
> + int i;
> + Oid atttypeid;
> + Oid attinfuncid;
> + Oid attelem;
> + FmgrInfo *attinfuncinfo;
> + Oid *attelems;
> + int4 *atttypmods;
> + AttInMetadata *attinmeta;
> +
> + attinmeta = (AttInMetadata *) palloc(sizeof(AttInMetadata));
> + natts = tupdesc->natts;
> +
> + /*
> + * Gather info needed later to call the "in" function for each attribute
> + */
> + attinfuncinfo = (FmgrInfo *) palloc(natts * sizeof(FmgrInfo));
> + attelems = (Oid *) palloc(natts * sizeof(Oid));
> + atttypmods = (int4 *) palloc(natts * sizeof(int4));
> +
> + for (i = 0; i < natts; i++)
> + {
> + atttypeid = tupdesc->attrs[i]->atttypid;
> + get_type_metadata(atttypeid, &attinfuncid, &attelem);
> +
> + fmgr_info(attinfuncid, &attinfuncinfo[i]);
> + attelems[i] = attelem;
> + atttypmods[i] = tupdesc->attrs[i]->atttypmod;
> + }
> + attinmeta->tupdesc = tupdesc;
> + attinmeta->attinfuncs = attinfuncinfo;
> + attinmeta->attelems = attelems;
> + attinmeta->atttypmods = atttypmods;
> +
> + return attinmeta;
> + }
> +
> + /*
> + * BuildTupleFromCStrings - build a HeapTuple given user data in C string form.
> + * values is an array of C strings, one for each attribute of the return tuple.
> + */
> + HeapTuple
> + BuildTupleFromCStrings(AttInMetadata *attinmeta, char **values)
> + {
> + TupleDesc tupdesc;
> + int natts;
> + HeapTuple tuple;
> + char *nulls;
> + int i;
> + Datum *dvalues;
> + FmgrInfo attinfuncinfo;
> + Oid attelem;
> + int4 atttypmod;
> +
> + tupdesc = attinmeta->tupdesc;
> + natts = tupdesc->natts;
> +
> + dvalues = (Datum *) palloc(natts * sizeof(Datum));
> +
> + /* Call the "in" function for each attribute */
> + for (i = 0; i < natts; i++)
> + {
> + if (values[i] != NULL)
> + {
> + attinfuncinfo = attinmeta->attinfuncs[i];
> + attelem = attinmeta->attelems[i];
> + atttypmod = attinmeta->atttypmods[i];
> +
> + dvalues[i] = FunctionCall3(&attinfuncinfo, CStringGetDatum(values[i]),
> + ObjectIdGetDatum(attelem),
> + Int32GetDatum(atttypmod));
> + }
> + else
> + dvalues[i] = PointerGetDatum(NULL);
> + }
> +
> + /*
> + * Form a tuple
> + */
> + nulls = (char *) palloc(natts * sizeof(char));
> + for (i = 0; i < natts; i++)
> + {
> + if (DatumGetPointer(dvalues[i]) != NULL)
> + nulls[i] = ' ';
> + else
> + nulls[i] = 'n';
> + }
> + tuple = heap_formtuple(tupdesc, dvalues, nulls);
> +
> + return tuple;
> + }
> +
> Index: src/backend/utils/adt/regproc.c
> ===================================================================
> RCS file: /opt/src/cvs/pgsql/src/backend/utils/adt/regproc.c,v
> retrieving revision 1.68
> diff -c -r1.68 regproc.c
> *** src/backend/utils/adt/regproc.c 11 May 2002 00:24:16 -0000 1.68
> --- src/backend/utils/adt/regproc.c 9 Jun 2002 21:00:31 -0000
> ***************
> *** 37,44 ****
> #include "utils/lsyscache.h"
> #include "utils/syscache.h"
>
> -
> - static List *stringToQualifiedNameList(const char *string, const char *caller);
> static void parseNameAndArgTypes(const char *string, const char *caller,
> const char *type0_spelling,
> List **names, int *nargs, Oid *argtypes);
> --- 37,42 ----
> ***************
> *** 960,973 ****
> }
>
>
> - /*****************************************************************************
> - * SUPPORT ROUTINES *
> - *****************************************************************************/
> -
> /*
> * Given a C string, parse it into a qualified-name list.
> */
> ! static List *
> stringToQualifiedNameList(const char *string, const char *caller)
> {
> char *rawname;
> --- 958,967 ----
> }
>
>
> /*
> * Given a C string, parse it into a qualified-name list.
> */
> ! List *
> stringToQualifiedNameList(const char *string, const char *caller)
> {
> char *rawname;
> ***************
> *** 996,1001 ****
> --- 990,999 ----
>
> return result;
> }
> +
> + /*****************************************************************************
> + * SUPPORT ROUTINES *
> + *****************************************************************************/
>
> /*
> * Given a C string, parse it into a qualified function or operator name
> Index: src/backend/utils/fmgr/Makefile
> ===================================================================
> RCS file: /opt/src/cvs/pgsql/src/backend/utils/fmgr/Makefile,v
> retrieving revision 1.12
> diff -c -r1.12 Makefile
> *** src/backend/utils/fmgr/Makefile 16 Sep 2001 16:11:11 -0000 1.12
> --- src/backend/utils/fmgr/Makefile 9 Jun 2002 21:00:31 -0000
> ***************
> *** 12,18 ****
> top_builddir = ../../../..
> include $(top_builddir)/src/Makefile.global
>
> ! OBJS = dfmgr.o fmgr.o
>
> override CPPFLAGS += -DPKGLIBDIR=\"$(pkglibdir)\" -DDLSUFFIX=\"$(DLSUFFIX)\"
>
> --- 12,18 ----
> top_builddir = ../../../..
> include $(top_builddir)/src/Makefile.global
>
> ! OBJS = dfmgr.o fmgr.o funcapi.o
>
> override CPPFLAGS += -DPKGLIBDIR=\"$(pkglibdir)\" -DDLSUFFIX=\"$(DLSUFFIX)\"
>
> Index: src/backend/utils/fmgr/funcapi.c
> ===================================================================
> RCS file: src/backend/utils/fmgr/funcapi.c
> diff -N src/backend/utils/fmgr/funcapi.c
> *** /dev/null 1 Jan 1970 00:00:00 -0000
> --- src/backend/utils/fmgr/funcapi.c 9 Jun 2002 22:55:47 -0000
> ***************
> *** 0 ****
> --- 1,122 ----
> + /*-------------------------------------------------------------------------
> + *
> + * funcapi.c
> + * Utility and convenience functions for fmgr functions that return
> + * sets and/or composite types.
> + *
> + * Copyright (c) 2002, PostgreSQL Global Development Group
> + *
> + *-------------------------------------------------------------------------
> + */
> +
> + #include "funcapi.h"
> + #include "catalog/pg_type.h"
> + #include "utils/syscache.h"
> +
> + /*
> + * init_MultiFuncCall
> + * Create an empty FuncCallContext data structure
> + * and do some other basic Multi-function call setup
> + * and error checking
> + */
> + FuncCallContext *
> + init_MultiFuncCall(PG_FUNCTION_ARGS)
> + {
> + FuncCallContext *retval;
> +
> + /*
> + * Bail if we're called in the wrong context
> + */
> + if (fcinfo->resultinfo == NULL || !IsA(fcinfo->resultinfo, ReturnSetInfo))
> + elog(ERROR, "function called in context that does not accept a set result");
> +
> + if (fcinfo->flinfo->fn_extra == NULL)
> + {
> + /*
> + * First call
> + */
> + MemoryContext oldcontext;
> +
> + /* switch to the appropriate memory context */
> + oldcontext = MemoryContextSwitchTo(fcinfo->flinfo->fn_mcxt);
> +
> + /*
> + * allocate space and zero it
> + */
> + retval = (FuncCallContext *) palloc(sizeof(FuncCallContext));
> + MemSet(retval, 0, sizeof(FuncCallContext));
> +
> + /*
> + * initialize the elements
> + */
> + retval->call_cntr = 0;
> + retval->max_calls = 0;
> + retval->slot = NULL;
> + retval->fctx = NULL;
> + retval->attinmeta = NULL;
> + retval->fmctx = fcinfo->flinfo->fn_mcxt;
> +
> + /*
> + * save the pointer for cross-call use
> + */
> + fcinfo->flinfo->fn_extra = retval;
> +
> + /* back to the original memory context */
> + MemoryContextSwitchTo(oldcontext);
> + }
> + else /* second and subsequent calls */
> + {
> + elog(ERROR, "init_MultiFuncCall may not be called more than once");
> +
> + /* never reached, but keep compiler happy */
> + retval = NULL;
> + }
> +
> + return retval;
> + }
> +
> + /*
> + * end_MultiFuncCall
> + * Clean up after init_MultiFuncCall
> + */
> + void
> + end_MultiFuncCall(PG_FUNCTION_ARGS, FuncCallContext *funcctx)
> + {
> + MemoryContext oldcontext;
> +
> + /* unbind from fcinfo */
> + fcinfo->flinfo->fn_extra = NULL;
> +
> + /*
> + * Caller is responsible to free up memory for individual
> + * struct elements other than att_in_funcinfo and elements.
> + */
> + oldcontext = MemoryContextSwitchTo(funcctx->fmctx);
> +
> + if (funcctx->attinmeta != NULL)
> + pfree(funcctx->attinmeta);
> +
> + pfree(funcctx);
> +
> + MemoryContextSwitchTo(oldcontext);
> + }
> +
> + void
> + get_type_metadata(Oid typeid, Oid *attinfuncid, Oid *attelem)
> + {
> + HeapTuple typeTuple;
> + Form_pg_type typtup;
> +
> + typeTuple = SearchSysCache(TYPEOID,
> + ObjectIdGetDatum(typeid),
> + 0, 0, 0);
> + if (!HeapTupleIsValid(typeTuple))
> + elog(ERROR, "get_type_metadata: Cache lookup of type %u failed", typeid);
> +
> + typtup = (Form_pg_type) GETSTRUCT(typeTuple);
> +
> + *attinfuncid = typtup->typinput;
> + *attelem = typtup->typelem;
> +
> + ReleaseSysCache(typeTuple);
> + }
> Index: src/include/funcapi.h
> ===================================================================
> RCS file: src/include/funcapi.h
> diff -N src/include/funcapi.h
> *** /dev/null 1 Jan 1970 00:00:00 -0000
> --- src/include/funcapi.h 10 Jun 2002 00:22:42 -0000
> ***************
> *** 0 ****
> --- 1,197 ----
> + /*-------------------------------------------------------------------------
> + *
> + * funcapi.h
> + * Definitions for functions which return composite type and/or sets
> + *
> + * This file must be included by all Postgres modules that either define
> + * or call FUNCAPI-callable functions or macros.
> + *
> + *
> + * Copyright (c) 2002, PostgreSQL Global Development Group
> + *
> + *
> + *-------------------------------------------------------------------------
> + */
> + #ifndef FUNCAPI_H
> + #define FUNCAPI_H
> +
> + #include "postgres.h"
> +
> + #include "fmgr.h"
> + #include "access/htup.h"
> + #include "access/tupdesc.h"
> + #include "executor/executor.h"
> + #include "executor/tuptable.h"
> +
> + /*
> + * All functions that can be called directly by fmgr must have this signature.
> + * (Other functions can be called by using a handler that does have this
> + * signature.)
> + */
> +
> +
> + /*-------------------------------------------------------------------------
> + * Support to ease writing Functions returning composite types
> + *-------------------------------------------------------------------------
> + *
> + * This struct holds arrays of individual attribute information
> + * needed to create a tuple from raw C strings. It also requires
> + * a copy of the TupleDesc. The information carried here
> + * is derived from the TupleDesc, but it is stored here to
> + * avoid redundant cpu cycles on each call to an SRF.
> + */
> + typedef struct
> + {
> + /* full TupleDesc */
> + TupleDesc tupdesc;
> +
> + /* pointer to array of attribute "type"in finfo */
> + FmgrInfo *attinfuncs;
> +
> + /* pointer to array of attribute type typelem */
> + Oid *attelems;
> +
> + /* pointer to array of attribute type typtypmod */
> + int4 *atttypmods;
> +
> + } AttInMetadata;
> +
> + /*-------------------------------------------------------------------------
> + * Support struct to ease writing Set Returning Functions (SRFs)
> + *-------------------------------------------------------------------------
> + *
> + * This struct holds function context for Set Returning Functions.
> + * Use fn_extra to hold a pointer to it across calls
> + */
> + typedef struct
> + {
> + /* Number of times we've been called before */
> + uint call_cntr;
> +
> + /* Maximum number of calls */
> + uint max_calls;
> +
> + /* pointer to result slot */
> + TupleTableSlot *slot;
> +
> + /* pointer to misc context info */
> + void *fctx;
> +
> + /* pointer to struct containing arrays of attribute type input metainfo */
> + AttInMetadata *attinmeta;
> +
> + /* memory context used to initialize structure */
> + MemoryContext fmctx;
> +
> + } FuncCallContext;
> +
> + /*-------------------------------------------------------------------------
> + * Support to ease writing Functions returning composite types
> + *
> + * External declarations:
> + * TupleDesc RelationNameGetTupleDesc(char *relname) - Use to get a TupleDesc
> + * based on the function's return type relation.
> + * TupleDesc TypeGetTupleDesc(Oid typeoid, List *colaliases) - Use to get a
> + * TupleDesc based on the function's type oid. This can be used to get
> + * a TupleDesc for a base (scalar), or composite (relation) type.
> + * TupleTableSlot *TupleDescGetSlot(TupleDesc tupdesc) - Initialize a slot
> + * given a TupleDesc.
> + * AttInMetadata *TupleDescGetAttInMetadata(TupleDesc tupdesc) - Get a pointer
> + * to AttInMetadata based on the function's TupleDesc. AttInMetadata can
> + * be used in conjunction with C strings to produce a properly formed
> + * tuple. Store the metadata here for use across calls to avoid redundant
> + * work.
> + * HeapTuple BuildTupleFromCStrings(AttInMetadata *attinmeta, char **values) -
> + * build a HeapTuple given user data in C string form. values is an array
> + * of C strings, one for each attribute of the return tuple.
> + *
> + * Macro declarations:
> + * TupleGetDatum(TupleTableSlot *slot, HeapTuple tuple) - get a Datum
> + * given a tuple and a slot.
> + */
> +
> + /* from tupdesc.c */
> + extern TupleDesc RelationNameGetTupleDesc(char *relname);
> + extern TupleDesc TypeGetTupleDesc(Oid typeoid, List *colaliases);
> +
> + /* from execTuples.c */
> + extern TupleTableSlot *TupleDescGetSlot(TupleDesc tupdesc);
> + extern AttInMetadata *TupleDescGetAttInMetadata(TupleDesc tupdesc);
> + extern HeapTuple BuildTupleFromCStrings(AttInMetadata *attinmeta, char **values);
> +
> + /* from funcapi.c */
> + extern void get_type_metadata(Oid typeid, Oid *attinfuncid, Oid *attelem);
> +
> + #define TupleGetDatum(_slot, _tuple) \
> + PointerGetDatum(ExecStoreTuple(_tuple, _slot, InvalidBuffer, true))
> +
> + /*-------------------------------------------------------------------------
> + * Support for Set Returning Functions (SRFs)
> + *
> + * The basic API for SRFs looks something like:
> + *
> + * Datum
> + * my_Set_Returning_Function(PG_FUNCTION_ARGS)
> + * {
> + * FuncCallContext *funcctx;
> + * Datum result;
> + * <user defined declarations>
> + *
> + * if(SRF_IS_FIRSTPASS())
> + * {
> + * <user defined code>
> + * funcctx = SRF_FIRSTCALL_INIT();
> + * <if returning composite>
> + * <obtain slot>
> + * funcctx->slot = slot;
> + * <endif returning composite>
> + * <user defined code>
> + * }
> + * <user defined code>
> + * funcctx = SRF_PERCALL_SETUP(funcctx);
> + * <user defined code>
> + *
> + * if (funcctx->call_cntr < funcctx->max_calls)
> + * {
> + * <user defined code>
> + * <obtain result Datum>
> + * SRF_RETURN_NEXT(funcctx, result);
> + * }
> + * else
> + * {
> + * SRF_RETURN_DONE(funcctx);
> + * }
> + * }
> + *
> + */
> +
> + /* from funcapi.c */
> + extern FuncCallContext *init_MultiFuncCall(PG_FUNCTION_ARGS);
> + extern void end_MultiFuncCall(PG_FUNCTION_ARGS, FuncCallContext *funcctx);
> +
> + #define SRF_IS_FIRSTPASS() (fcinfo->flinfo->fn_extra == NULL)
> + #define SRF_FIRSTCALL_INIT() init_MultiFuncCall(fcinfo)
> + #define SRF_PERCALL_SETUP(_funcctx) \
> + fcinfo->flinfo->fn_extra; \
> + if(_funcctx->slot != NULL) \
> + ExecClearTuple(_funcctx->slot)
> + #define SRF_RETURN_NEXT(_funcctx, _result) \
> + do { \
> + ReturnSetInfo *rsi; \
> + _funcctx->call_cntr++; \
> + rsi = (ReturnSetInfo *) fcinfo->resultinfo; \
> + rsi->isDone = ExprMultipleResult; \
> + PG_RETURN_DATUM(_result); \
> + } while (0)
> +
> + #define SRF_RETURN_DONE(_funcctx) \
> + do { \
> + ReturnSetInfo *rsi; \
> + end_MultiFuncCall(fcinfo, _funcctx); \
> + rsi = (ReturnSetInfo *) fcinfo->resultinfo; \
> + rsi->isDone = ExprEndResult; \
> + _funcctx->slot = NULL; \
> + PG_RETURN_NULL(); \
> + } while (0)
> +
> + #endif /* FUNCAPI_H */
> Index: src/include/utils/builtins.h
> ===================================================================
> RCS file: /opt/src/cvs/pgsql/src/include/utils/builtins.h,v
> retrieving revision 1.182
> diff -c -r1.182 builtins.h
> *** src/include/utils/builtins.h 18 May 2002 21:38:41 -0000 1.182
> --- src/include/utils/builtins.h 9 Jun 2002 21:00:31 -0000
> ***************
> *** 341,346 ****
> --- 341,347 ----
> extern Datum regclassout(PG_FUNCTION_ARGS);
> extern Datum regtypein(PG_FUNCTION_ARGS);
> extern Datum regtypeout(PG_FUNCTION_ARGS);
> + extern List *stringToQualifiedNameList(const char *string, const char *caller);
>
> /* ruleutils.c */
> extern Datum pg_get_ruledef(PG_FUNCTION_ARGS);
>

>
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--
Bruce Momjian | http://candle.pha.pa.us
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