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Diffstat (limited to 'src/backend/nodes/makefuncs.c')
| -rw-r--r-- | src/backend/nodes/makefuncs.c | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/src/backend/nodes/makefuncs.c b/src/backend/nodes/makefuncs.c deleted file mode 100644 index ee716a5a846..00000000000 --- a/src/backend/nodes/makefuncs.c +++ /dev/null @@ -1,260 +0,0 @@ -/* - * makefuncs.c - * creator functions for primitive nodes. The functions here are for - * the most frequently created nodes. - * - * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group - * Portions Copyright (c) 1994, Regents of the University of California - * - * - * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/nodes/makefuncs.c,v 1.33 2002/06/20 20:29:29 momjian Exp $ - */ -#include "postgres.h" - -#include "nodes/makefuncs.h" -#include "utils/lsyscache.h" - - -/* - * makeA_Expr - - * makes an A_Expr node - */ -A_Expr * -makeA_Expr(int oper, List *name, Node *lexpr, Node *rexpr) -{ - A_Expr *a = makeNode(A_Expr); - - a->oper = oper; - a->name = name; - a->lexpr = lexpr; - a->rexpr = rexpr; - return a; -} - -/* - * makeSimpleA_Expr - - * As above, given a simple (unqualified) operator name - */ -A_Expr * -makeSimpleA_Expr(int oper, const char *name, - Node *lexpr, Node *rexpr) -{ - A_Expr *a = makeNode(A_Expr); - - a->oper = oper; - a->name = makeList1(makeString((char *) name)); - a->lexpr = lexpr; - a->rexpr = rexpr; - return a; -} - -/* - * makeOper - - * creates an Oper node - */ -Oper * -makeOper(Oid opno, - Oid opid, - Oid opresulttype, - bool opretset) -{ - Oper *oper = makeNode(Oper); - - oper->opno = opno; - oper->opid = opid; - oper->opresulttype = opresulttype; - oper->opretset = opretset; - oper->op_fcache = NULL; - return oper; -} - -/* - * makeVar - - * creates a Var node - * - */ -Var * -makeVar(Index varno, - AttrNumber varattno, - Oid vartype, - int32 vartypmod, - Index varlevelsup) -{ - Var *var = makeNode(Var); - - var->varno = varno; - var->varattno = varattno; - var->vartype = vartype; - var->vartypmod = vartypmod; - var->varlevelsup = varlevelsup; - - /* - * Since few if any routines ever create Var nodes with - * varnoold/varoattno different from varno/varattno, we don't provide - * separate arguments for them, but just initialize them to the given - * varno/varattno. This reduces code clutter and chance of error for - * most callers. - */ - var->varnoold = varno; - var->varoattno = varattno; - - return var; -} - -/* - * makeTargetEntry - - * creates a TargetEntry node(contains a Resdom) - */ -TargetEntry * -makeTargetEntry(Resdom *resdom, Node *expr) -{ - TargetEntry *rt = makeNode(TargetEntry); - - rt->resdom = resdom; - rt->expr = expr; - return rt; -} - -/* - * makeResdom - - * creates a Resdom (Result Domain) node - */ -Resdom * -makeResdom(AttrNumber resno, - Oid restype, - int32 restypmod, - char *resname, - bool resjunk) -{ - Resdom *resdom = makeNode(Resdom); - - resdom->resno = resno; - resdom->restype = restype; - resdom->restypmod = restypmod; - resdom->resname = resname; - - /* - * We always set the sorting/grouping fields to 0. If the caller - * wants to change them he must do so explicitly. Few if any callers - * should be doing that, so omitting these arguments reduces the - * chance of error. - */ - resdom->ressortgroupref = 0; - resdom->reskey = 0; - resdom->reskeyop = InvalidOid; - - resdom->resjunk = resjunk; - return resdom; -} - -/* - * makeConst - - * creates a Const node - */ -Const * -makeConst(Oid consttype, - int constlen, - Datum constvalue, - bool constisnull, - bool constbyval, - bool constisset, - bool constiscast) -{ - Const *cnst = makeNode(Const); - - cnst->consttype = consttype; - cnst->constlen = constlen; - cnst->constvalue = constvalue; - cnst->constisnull = constisnull; - cnst->constbyval = constbyval; - cnst->constisset = constisset; - cnst->constiscast = constiscast; - return cnst; -} - -/* - * makeNullConst - - * creates a Const node representing a NULL of the specified type - */ -Const * -makeNullConst(Oid consttype) -{ - int16 typLen; - bool typByVal; - - get_typlenbyval(consttype, &typLen, &typByVal); - return makeConst(consttype, - (int) typLen, - (Datum) 0, - true, - typByVal, - false, - false); -} - -/* - * makeAlias - - * creates an Alias node - * - * NOTE: the given name is copied, but the colnames list (if any) isn't. - */ -Alias * -makeAlias(const char *aliasname, List *colnames) -{ - Alias *a = makeNode(Alias); - - a->aliasname = pstrdup(aliasname); - a->colnames = colnames; - - return a; -} - -/* - * makeRelabelType - - * creates a RelabelType node - */ -RelabelType * -makeRelabelType(Node *arg, Oid rtype, int32 rtypmod) -{ - RelabelType *r = makeNode(RelabelType); - - r->arg = arg; - r->resulttype = rtype; - r->resulttypmod = rtypmod; - - return r; -} - -/* - * makeRangeVar - - * creates a RangeVar node (rather oversimplified case) - */ -RangeVar * -makeRangeVar(char *schemaname, char *relname) -{ - RangeVar *r = makeNode(RangeVar); - - r->catalogname = NULL; - r->schemaname = schemaname; - r->relname = relname; - r->inhOpt = INH_DEFAULT; - r->istemp = false; - r->alias = NULL; - - return r; -} - -/* - * makeTypeName - - * build a TypeName node for an unqualified name. - */ -TypeName * -makeTypeName(char *typnam) -{ - TypeName *n = makeNode(TypeName); - - n->names = makeList1(makeString(typnam)); - n->typmod = -1; - return n; -} |