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Improve print_expr() a little. It's still not very bright though.

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This commit is contained in:
Tom Lane 2003-01-22 19:26:35 +00:00
parent e2114817c7
commit c7b4047234
1 changed files with 30 additions and 11 deletions
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41
src/backend/nodes/print.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/print.c,v 1.59 2003/01/15 19:35:39 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/print.c,v 1.60 2003/01/22 19:26:35 tgl Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -362,24 +362,43 @@ print_expr(Node *expr, List *rtable)
printf("%s", outputstr);
pfree(outputstr);
}
else if (IsA(expr, Expr))
else if (IsA(expr, OpExpr))
{
Expr *e = (Expr *) expr;
OpExpr *e = (OpExpr *) expr;
char *opname;
if (is_opclause(expr))
opname = get_opname(e->opno);
if (length(e->args) > 1)
{
char *opname;
print_expr(get_leftop(e), rtable);
opname = get_opname(((OpExpr *) e)->opno);
print_expr(get_leftop((Expr *) e), rtable);
printf(" %s ", ((opname != NULL) ? opname : "(invalid operator)"));
print_expr(get_rightop(e), rtable);
print_expr(get_rightop((Expr *) e), rtable);
}
else
printf("an expr");
{
/* we print prefix and postfix ops the same... */
printf("%s ", ((opname != NULL) ? opname : "(invalid operator)"));
print_expr(get_leftop((Expr *) e), rtable);
}
}
else if (IsA(expr, FuncExpr))
{
FuncExpr *e = (FuncExpr *) expr;
char *funcname;
List *l;
funcname = get_func_name(e->funcid);
printf("%s(", ((funcname != NULL) ? funcname : "(invalid function)"));
foreach(l, e->args)
{
print_expr(lfirst(l), rtable);
if (lnext(l))
printf(",");
}
printf(")");
}
else
printf("not an expr");
printf("unknown expr");
}
/*