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Make parser functions static where possible.

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This commit is contained in:
Bruce Momjian
1997-11-26 03:43:18 +00:00
parent 97ad0b1cd4
commit b704426618
18 changed files with 179 additions and 181 deletions
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126
src/backend/parser/parse_clause.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_clause.c,v 1.2 1997/11/26 01:11:16 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_clause.c,v 1.3 1997/11/26 03:42:39 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -25,6 +25,62 @@
#include "parser/parse_relation.h"
#include "parser/parse_target.h"
static TargetEntry *find_targetlist_entry(ParseState *pstate,
SortGroupBy *sortgroupby, List *tlist);
static void parseFromClause(ParseState *pstate, List *frmList);
/*
* makeRangeTable -
* make a range table with the specified relation (optional) and the
* from-clause.
*/
void
makeRangeTable(ParseState *pstate, char *relname, List *frmList)
{
RangeTblEntry *rte;
parseFromClause(pstate, frmList);
if (relname == NULL)
return;
if (refnameRangeTablePosn(pstate->p_rtable, relname) < 1)
rte = addRangeTableEntry(pstate, relname, relname, FALSE, FALSE);
else
rte = refnameRangeTableEntry(pstate->p_rtable, relname);
pstate->p_target_rangetblentry = rte;
Assert(pstate->p_target_relation == NULL);
pstate->p_target_relation = heap_open(rte->relid);
Assert(pstate->p_target_relation != NULL);
/* will close relation later */
}
/*
* transformWhereClause -
* transforms the qualification and make sure it is of type Boolean
*
*/
Node *
transformWhereClause(ParseState *pstate, Node *a_expr)
{
Node *qual;
if (a_expr == NULL)
return (Node *) NULL; /* no qualifiers */
pstate->p_in_where_clause = true;
qual = transformExpr(pstate, a_expr, EXPR_COLUMN_FIRST);
pstate->p_in_where_clause = false;
if (exprType(qual) != BOOLOID)
{
elog(WARN,
"where clause must return type bool, not %s",
typeidTypeName(exprType(qual)));
}
return qual;
}
/*
* parseFromClause -
* turns the table references specified in the from-clause into a
@ -34,7 +90,7 @@
* also allow that in our POST-SQL)
*
*/
void
static void
parseFromClause(ParseState *pstate, List *frmList)
{
List *fl;
@ -65,77 +121,13 @@ parseFromClause(ParseState *pstate, List *frmList)
}
}
/*
* makeRangeTable -
* make a range table with the specified relation (optional) and the
* from-clause.
*/
void
makeRangeTable(ParseState *pstate, char *relname, List *frmList)
{
RangeTblEntry *rte;
parseFromClause(pstate, frmList);
if (relname == NULL)
return;
if (refnameRangeTablePosn(pstate->p_rtable, relname) < 1)
rte = addRangeTableEntry(pstate, relname, relname, FALSE, FALSE);
else
rte = refnameRangeTableEntry(pstate->p_rtable, relname);
pstate->p_target_rangetblentry = rte;
Assert(pstate->p_target_relation == NULL);
pstate->p_target_relation = heap_open(rte->relid);
Assert(pstate->p_target_relation != NULL);
/* will close relation later */
}
/*****************************************************************************
*
* Where Clause
*
*****************************************************************************/
/*
* transformWhereClause -
* transforms the qualification and make sure it is of type Boolean
*
*/
Node *
transformWhereClause(ParseState *pstate, Node *a_expr)
{
Node *qual;
if (a_expr == NULL)
return (Node *) NULL; /* no qualifiers */
pstate->p_in_where_clause = true;
qual = transformExpr(pstate, a_expr, EXPR_COLUMN_FIRST);
pstate->p_in_where_clause = false;
if (exprType(qual) != BOOLOID)
{
elog(WARN,
"where clause must return type bool, not %s",
typeidTypeName(exprType(qual)));
}
return qual;
}
/*****************************************************************************
*
* Sort Clause
*
*****************************************************************************/
/*
* find_targetlist_entry -
* returns the Resdom in the target list matching the specified varname
* and range
*
*/
TargetEntry *
static TargetEntry *
find_targetlist_entry(ParseState *pstate, SortGroupBy *sortgroupby, List *tlist)
{
List *i;