1 files changed, 132 insertions, 127 deletions

diff --git a/src/backend/optimizer/util/clauseinfo.c b/src/backend/optimizer/util/clauseinfo.c
index 2d648eb3605..e5fd2b7e5bb 100644
--- a/src/backend/optimizer/util/clauseinfo.c
+++ b/src/backend/optimizer/util/clauseinfo.c
@@ -1,13 +1,13 @@
 /*-------------------------------------------------------------------------
  *
  * clauseinfo.c--
- *    ClauseInfo node manipulation routines.
+ *	  ClauseInfo node manipulation routines.
  *
  * Copyright (c) 1994, Regents of the University of California
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/optimizer/util/Attic/clauseinfo.c,v 1.3 1996/07/31 18:47:06 scrappy Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/Attic/clauseinfo.c,v 1.4 1997/09/07 04:44:17 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -20,167 +20,172 @@
 #include "optimizer/clauses.h"
 #include "optimizer/clauseinfo.h"
 
-/*    
+/*
  * valid-or-clause--
- *    
+ *
  * Returns t iff the clauseinfo node contains a 'normal' 'or' clause.
- *    
+ *
  */
 bool
-valid_or_clause(CInfo *clauseinfo)
+valid_or_clause(CInfo * clauseinfo)
 {
-     if (clauseinfo != NULL && 
-	 !single_node((Node*)clauseinfo->clause) && 
-	 !clauseinfo->notclause &&
-	 or_clause((Node*)clauseinfo->clause)) 
-       return(true);
-     else
-       return(false);
+	if (clauseinfo != NULL &&
+		!single_node((Node *) clauseinfo->clause) &&
+		!clauseinfo->notclause &&
+		or_clause((Node *) clauseinfo->clause))
+		return (true);
+	else
+		return (false);
 }
 
-/*    
+/*
  * get-actual-clauses--
- *    
+ *
  * Returns a list containing the clauses from 'clauseinfo-list'.
- *    
+ *
  */
-List *
-get_actual_clauses(List *clauseinfo_list)
+List		   *
+get_actual_clauses(List * clauseinfo_list)
 {
-    List *temp = NIL;
-    List *result = NIL;
-    CInfo *clause = (CInfo *)NULL;
-
-    foreach(temp,clauseinfo_list) {
-	clause = (CInfo *)lfirst(temp);
-	result = lappend(result,clause->clause);
-    }
-    return(result);
+	List		   *temp = NIL;
+	List		   *result = NIL;
+	CInfo		   *clause = (CInfo *) NULL;
+
+	foreach(temp, clauseinfo_list)
+	{
+		clause = (CInfo *) lfirst(temp);
+		result = lappend(result, clause->clause);
+	}
+	return (result);
 }
 
-/*    
+/*
  * XXX NOTE:
- *  	The following routines must return their contents in the same order
- *    	(e.g., the first clause's info should be first, and so on) or else
- *    	get_index_sel() won't work.
- *    
+ *		The following routines must return their contents in the same order
+ *		(e.g., the first clause's info should be first, and so on) or else
+ *		get_index_sel() won't work.
+ *
  */
 
-/*    
+/*
  * get_relattvals--
- *    For each member of  a list of clauseinfo nodes to be used with an
- *    index, create a vectori-long specifying:
- *    		the attnos,
- *    		the values of the clause constants, and 
- *    		flags indicating the type and location of the constant within
- *    			each clause.
- *    Each clause is of the form (op var some_type_of_constant), thus the
- *    flag indicating whether the constant is on the left or right should
- *    always be *SELEC-CONSTANT-RIGHT*.
- *    
+ *	  For each member of  a list of clauseinfo nodes to be used with an
+ *	  index, create a vectori-long specifying:
+ *				the attnos,
+ *				the values of the clause constants, and
+ *				flags indicating the type and location of the constant within
+ *						each clause.
+ *	  Each clause is of the form (op var some_type_of_constant), thus the
+ *	  flag indicating whether the constant is on the left or right should
+ *	  always be *SELEC-CONSTANT-RIGHT*.
+ *
  * 'clauseinfo-list' is a list of clauseinfo nodes
- *    
+ *
  * Returns a list of vectori-longs.
- *    
+ *
  */
 void
-get_relattvals(List *clauseinfo_list,
-	       List **attnos,
-	       List **values,
-	       List **flags)
+get_relattvals(List * clauseinfo_list,
+			   List ** attnos,
+			   List ** values,
+			   List ** flags)
 {
-    List *result1 = NIL;
-    List *result2 = NIL;
-    List *result3 = NIL;
-    CInfo *temp = (CInfo *)NULL;
-    List *i = NIL;
-
-    foreach (i,clauseinfo_list) {
-	int dummy;
-	AttrNumber attno;
-	Datum constval;
-	int flag;
-
-	temp = (CInfo *)lfirst(i);
-	get_relattval((Node*)temp->clause, &dummy, &attno, &constval, &flag);
-	result1 = lappendi(result1, (int)attno);
-	result2 = lappendi(result2, constval);
-	result3 = lappendi(result3, flag);
-    }
+	List		   *result1 = NIL;
+	List		   *result2 = NIL;
+	List		   *result3 = NIL;
+	CInfo		   *temp = (CInfo *) NULL;
+	List		   *i = NIL;
+
+	foreach(i, clauseinfo_list)
+	{
+		int				dummy;
+		AttrNumber		attno;
+		Datum			constval;
+		int				flag;
+
+		temp = (CInfo *) lfirst(i);
+		get_relattval((Node *) temp->clause, &dummy, &attno, &constval, &flag);
+		result1 = lappendi(result1, (int) attno);
+		result2 = lappendi(result2, constval);
+		result3 = lappendi(result3, flag);
+	}
 
-    *attnos = result1;
-    *values = result2;
-    *flags = result3;
-    return;
+	*attnos = result1;
+	*values = result2;
+	*flags = result3;
+	return;
 }
 
-/*    
+/*
  * get_joinvars --
- *    Given a list of join clauseinfo nodes to be used with the index
- *    of an inner join relation, return three lists consisting of:
- *    		the attributes corresponding to the inner join relation
- *    		the value of the inner var clause (always "")
- *    		whether the attribute appears on the left or right side of
- *    			the operator.
- *    
+ *	  Given a list of join clauseinfo nodes to be used with the index
+ *	  of an inner join relation, return three lists consisting of:
+ *				the attributes corresponding to the inner join relation
+ *				the value of the inner var clause (always "")
+ *				whether the attribute appears on the left or right side of
+ *						the operator.
+ *
  * 'relid' is the inner join relation
  * 'clauseinfo-list' is a list of qualification clauses to be used with
- * 	'rel'
- *    
+ *		'rel'
+ *
  */
 void
 get_joinvars(Oid relid,
-	     List *clauseinfo_list,
-	     List **attnos,
-	     List **values,
-	     List **flags)
+			 List * clauseinfo_list,
+			 List ** attnos,
+			 List ** values,
+			 List ** flags)
 {
-    List *result1 = NIL;
-    List *result2 = NIL;
-    List *result3 = NIL;
-    List *temp;
-     
-    foreach(temp, clauseinfo_list) {
-	CInfo *clauseinfo = lfirst(temp);
-	Expr *clause = clauseinfo->clause;
-
-	if( IsA (get_leftop(clause),Var) &&
-	   (relid == (get_leftop(clause))->varno)) {
-	    result1 = lappendi(result1, (int4)(get_leftop(clause))->varattno);
-	    result2 = lappend(result2, "");
-	    result3 = lappendi(result3, _SELEC_CONSTANT_RIGHT_);
-	} else {
-	    result1 = lappendi(result1, (int4)(get_rightop(clause))->varattno);
-	    result2 = lappend(result2, "");
-	    result3 = lappendi(result3, _SELEC_CONSTANT_LEFT_);
+	List		   *result1 = NIL;
+	List		   *result2 = NIL;
+	List		   *result3 = NIL;
+	List		   *temp;
+
+	foreach(temp, clauseinfo_list)
+	{
+		CInfo		   *clauseinfo = lfirst(temp);
+		Expr		   *clause = clauseinfo->clause;
+
+		if (IsA(get_leftop(clause), Var) &&
+			(relid == (get_leftop(clause))->varno))
+		{
+			result1 = lappendi(result1, (int4) (get_leftop(clause))->varattno);
+			result2 = lappend(result2, "");
+			result3 = lappendi(result3, _SELEC_CONSTANT_RIGHT_);
+		}
+		else
+		{
+			result1 = lappendi(result1, (int4) (get_rightop(clause))->varattno);
+			result2 = lappend(result2, "");
+			result3 = lappendi(result3, _SELEC_CONSTANT_LEFT_);
+		}
 	}
-    }
-    *attnos = result1;
-    *values = result2;
-    *flags = result3;
-    return;
+	*attnos = result1;
+	*values = result2;
+	*flags = result3;
+	return;
 }
 
-/*    
+/*
  * get_opnos--
- *    Create and return a list containing the clause operators of each member
- *    of a list of clauseinfo nodes to be used with an index.
- *    
+ *	  Create and return a list containing the clause operators of each member
+ *	  of a list of clauseinfo nodes to be used with an index.
+ *
  */
-List *
-get_opnos(List *clauseinfo_list)
+List		   *
+get_opnos(List * clauseinfo_list)
 {
-    CInfo *temp = (CInfo *)NULL;
-    List *result = NIL;
-    List *i = NIL;
-
-    foreach(i,clauseinfo_list) {
-	temp = (CInfo *)lfirst(i);
-	result =
-	    lappendi(result,
-		     (((Oper*)temp->clause->oper)->opno));
-    }
-    return(result);
+	CInfo		   *temp = (CInfo *) NULL;
+	List		   *result = NIL;
+	List		   *i = NIL;
+
+	foreach(i, clauseinfo_list)
+	{
+		temp = (CInfo *) lfirst(i);
+		result =
+			lappendi(result,
+					 (((Oper *) temp->clause->oper)->opno));
+	}
+	return (result);
 }
-
-