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Functions live in namespaces. Qualified function names work, eg

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SELECT schema1.func2(...).  Aggregate names can be qualified at the
syntactic level, but the qualification is ignored for the moment.
This commit is contained in:
Tom Lane
2002-04-09 20:35:55 +00:00
parent c419c22414
commit f2d70d32eb
36 changed files with 655 additions and 661 deletions
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40
src/backend/parser/analyze.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.227 2002/04/05 11:56:51 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.228 2002/04/09 20:35:51 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -22,6 +22,7 @@
#include "catalog/pg_type.h"
#include "nodes/makefuncs.h"
#include "parser/analyze.h"
#include "parser/gramparse.h"
#include "parser/parsetree.h"
#include "parser/parse_agg.h"
#include "parser/parse_clause.h"
@ -859,7 +860,7 @@ transformColumnDefinition(ParseState *pstate, CreateStmtContext *cxt,
snamenode->val.type = T_String;
snamenode->val.val.str = qstring;
funccallnode = makeNode(FuncCall);
funccallnode->funcname = "nextval";
funccallnode->funcname = SystemFuncName("nextval");
funccallnode->args = makeList1(snamenode);
funccallnode->agg_star = false;
funccallnode->agg_distinct = false;
@ -1197,7 +1198,7 @@ transformIndexConstraints(ParseState *pstate, CreateStmtContext *cxt)
foreach(columns, index->indexParams)
{
iparam = (IndexElem *) lfirst(columns);
if (strcmp(key->name, iparam->name) == 0)
if (iparam->name && strcmp(key->name, iparam->name) == 0)
elog(ERROR, "%s: column \"%s\" appears twice in %s constraint",
cxt->stmtType, key->name,
index->primary ? "PRIMARY KEY" : "UNIQUE");
@ -1206,6 +1207,7 @@ transformIndexConstraints(ParseState *pstate, CreateStmtContext *cxt)
/* OK, add it to the index definition */
iparam = makeNode(IndexElem);
iparam->name = pstrdup(key->name);
iparam->funcname = NIL;
iparam->args = NIL;
iparam->class = NULL;
index->indexParams = lappend(index->indexParams, iparam);
@ -1281,7 +1283,9 @@ transformIndexConstraints(ParseState *pstate, CreateStmtContext *cxt)
if (index->idxname == NULL && index->indexParams != NIL)
{
iparam = lfirst(index->indexParams);
index->idxname = CreateIndexName((cxt->relation)->relname, iparam->name,
index->idxname = CreateIndexName(cxt->relation->relname,
iparam->name ? iparam->name :
strVal(llast(iparam->funcname)),
"key", cxt->alist);
}
if (index->idxname == NULL) /* should not happen */
@ -1292,7 +1296,7 @@ transformIndexConstraints(ParseState *pstate, CreateStmtContext *cxt)
cxt->stmtType,
(strcmp(cxt->stmtType, "ALTER TABLE") == 0) ? "ADD " : "",
(index->primary ? "PRIMARY KEY" : "UNIQUE"),
index->idxname, (cxt->relation)->relname);
index->idxname, cxt->relation->relname);
}
}
@ -1365,6 +1369,7 @@ transformFKConstraints(ParseState *pstate, CreateStmtContext *cxt)
IndexElem *ielem = lfirst(attr);
Ident *pkattr = (Ident *) makeNode(Ident);
Assert(ielem->name); /* no func index here */
pkattr->name = pstrdup(ielem->name);
fkconstraint->pk_attrs = lappend(fkconstraint->pk_attrs,
pkattr);
@ -1417,7 +1422,8 @@ transformFKConstraints(ParseState *pstate, CreateStmtContext *cxt)
{
IndexElem *indparm = lfirst(indparms);
if (strcmp(indparm->name, pkattr->name) == 0)
if (indparm->name &&
strcmp(indparm->name, pkattr->name) == 0)
{
found = true;
break;
@ -1470,7 +1476,7 @@ transformFKConstraints(ParseState *pstate, CreateStmtContext *cxt)
fk_trigger = (CreateTrigStmt *) makeNode(CreateTrigStmt);
fk_trigger->trigname = fkconstraint->constr_name;
fk_trigger->relation = cxt->relation;
fk_trigger->funcname = "RI_FKey_check_ins";
fk_trigger->funcname = SystemFuncName("RI_FKey_check_ins");
fk_trigger->before = false;
fk_trigger->row = true;
fk_trigger->actions[0] = 'i';
@ -1542,21 +1548,21 @@ transformFKConstraints(ParseState *pstate, CreateStmtContext *cxt)
>> FKCONSTR_ON_DELETE_SHIFT)
{
case FKCONSTR_ON_KEY_NOACTION:
fk_trigger->funcname = "RI_FKey_noaction_del";
fk_trigger->funcname = SystemFuncName("RI_FKey_noaction_del");
break;
case FKCONSTR_ON_KEY_RESTRICT:
fk_trigger->deferrable = false;
fk_trigger->initdeferred = false;
fk_trigger->funcname = "RI_FKey_restrict_del";
fk_trigger->funcname = SystemFuncName("RI_FKey_restrict_del");
break;
case FKCONSTR_ON_KEY_CASCADE:
fk_trigger->funcname = "RI_FKey_cascade_del";
fk_trigger->funcname = SystemFuncName("RI_FKey_cascade_del");
break;
case FKCONSTR_ON_KEY_SETNULL:
fk_trigger->funcname = "RI_FKey_setnull_del";
fk_trigger->funcname = SystemFuncName("RI_FKey_setnull_del");
break;
case FKCONSTR_ON_KEY_SETDEFAULT:
fk_trigger->funcname = "RI_FKey_setdefault_del";
fk_trigger->funcname = SystemFuncName("RI_FKey_setdefault_del");
break;
default:
elog(ERROR, "Only one ON DELETE action can be specified for FOREIGN KEY constraint");
@ -1614,21 +1620,21 @@ transformFKConstraints(ParseState *pstate, CreateStmtContext *cxt)
>> FKCONSTR_ON_UPDATE_SHIFT)
{
case FKCONSTR_ON_KEY_NOACTION:
fk_trigger->funcname = "RI_FKey_noaction_upd";
fk_trigger->funcname = SystemFuncName("RI_FKey_noaction_upd");
break;
case FKCONSTR_ON_KEY_RESTRICT:
fk_trigger->deferrable = false;
fk_trigger->initdeferred = false;
fk_trigger->funcname = "RI_FKey_restrict_upd";
fk_trigger->funcname = SystemFuncName("RI_FKey_restrict_upd");
break;
case FKCONSTR_ON_KEY_CASCADE:
fk_trigger->funcname = "RI_FKey_cascade_upd";
fk_trigger->funcname = SystemFuncName("RI_FKey_cascade_upd");
break;
case FKCONSTR_ON_KEY_SETNULL:
fk_trigger->funcname = "RI_FKey_setnull_upd";
fk_trigger->funcname = SystemFuncName("RI_FKey_setnull_upd");
break;
case FKCONSTR_ON_KEY_SETDEFAULT:
fk_trigger->funcname = "RI_FKey_setdefault_upd";
fk_trigger->funcname = SystemFuncName("RI_FKey_setdefault_upd");
break;
default:
elog(ERROR, "Only one ON UPDATE action can be specified for FOREIGN KEY constraint");