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Remove un-needed braces around single statements.

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This commit is contained in:
Bruce Momjian
1998-06-15 19:30:31 +00:00
parent 27db9ecd0b
commit 6bd323c6b3
224 changed files with 221 additions and 2504 deletions
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40
src/backend/optimizer/plan/setrefs.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.21 1998/04/15 15:29:44 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.22 1998/06/15 19:28:44 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -73,34 +73,22 @@ set_tlist_references(Plan *plan)
return;
if (IsA_Join(plan))
{
set_join_tlist_references((Join *) plan);
}
else if (IsA(plan, SeqScan) &&plan->lefttree &&
IsA_Temp(plan->lefttree))
{
set_tempscan_tlist_references((SeqScan *) plan);
}
else if (IsA(plan, Sort))
{
set_temp_tlist_references((Temp *) plan);
}
else if (IsA(plan, Result))
{
set_result_tlist_references((Result *) plan);
}
else if (IsA(plan, Hash))
{
set_tlist_references(plan->lefttree);
}
else if (IsA(plan, Choose))
{
List *x;
foreach(x, ((Choose *) plan)->chooseplanlist)
{
set_tlist_references((Plan *) lfirst(x));
}
}
}
@ -200,9 +188,7 @@ set_temp_tlist_references(Temp *temp)
(source)->targetlist);
}
else
{
elog(ERROR, "calling set_temp_tlist_references with empty lefttree");
}
}
/*
@ -326,9 +312,7 @@ replace_clause_joinvar_refs(Expr *clause,
return (NIL);
}
else if (single_node((Node *) clause))
{
return ((List *) clause);
}
else if (and_clause((Node *) clause))
{
List *andclause =
@ -609,9 +593,7 @@ replace_result_clause(Node *clause,
((Var *) clause)->varattno = subplanVar->resdom->resno;
}
else if (IsA(clause, Aggreg))
{
replace_result_clause(((Aggreg *) clause)->target, subplanTargetList);
}
else if (is_funcclause(clause))
{
List *subExpr;
@ -622,9 +604,7 @@ replace_result_clause(Node *clause,
*/
subExpr = ((Expr *) clause)->args;
foreach(t, subExpr)
{
replace_result_clause(lfirst(t), subplanTargetList);
}
}
else if (IsA(clause, ArrayRef))
{
@ -635,13 +615,9 @@ replace_result_clause(Node *clause,
* expression and its index expression...
*/
foreach(t, aref->refupperindexpr)
{
replace_result_clause(lfirst(t), subplanTargetList);
}
foreach(t, aref->reflowerindexpr)
{
replace_result_clause(lfirst(t), subplanTargetList);
}
replace_result_clause(aref->refexpr,
subplanTargetList);
replace_result_clause(aref->refassgnexpr,
@ -687,18 +663,14 @@ OperandIsInner(Node *opnd, int inner_relid)
*/
if (IsA(opnd, Var) &&
(inner_relid == ((Var *) opnd)->varno))
{
return true;
}
if (is_funcclause(opnd))
{
List *firstArg = lfirst(((Expr *) opnd)->args);
if (IsA(firstArg, Var) &&
(inner_relid == ((Var *) firstArg)->varno))
{
return true;
}
}
return false;
}
@ -864,9 +836,7 @@ del_agg_clause(Node *clause)
List *t;
if (IsA(clause, Var))
{
return clause;
}
else if (is_funcclause(clause))
{
@ -875,9 +845,7 @@ del_agg_clause(Node *clause)
* arguments...
*/
foreach(t, ((Expr *) clause)->args)
{
lfirst(t) = del_agg_clause(lfirst(t));
}
}
else if (IsA(clause, Aggreg))
{
@ -895,13 +863,9 @@ del_agg_clause(Node *clause)
* expression and its index expression...
*/
foreach(t, aref->refupperindexpr)
{
lfirst(t) = del_agg_clause(lfirst(t));
}
foreach(t, aref->reflowerindexpr)
{
lfirst(t) = del_agg_clause(lfirst(t));
}
aref->refexpr = del_agg_clause(aref->refexpr);
aref->refassgnexpr = del_agg_clause(aref->refassgnexpr);
}
@ -921,9 +885,7 @@ del_agg_clause(Node *clause)
right = del_agg_clause(right);
}
else if (IsA(clause, Param) ||IsA(clause, Const))
{
return clause;
}
else
{