Make some minor formatting improvements to what pgindent did.
authorTom Lane <tgl@sss.pgh.pa.us>
Tue, 29 Nov 2011 01:19:29 +0000 (20:19 -0500)
committerTom Lane <tgl@sss.pgh.pa.us>
Tue, 29 Nov 2011 01:19:29 +0000 (20:19 -0500)
Moving the code two full tab stops to the right requires rethinking of
cosmetic code layout choices, which pgindent isn't really able to do for
us.  Whitespace and comment adjustments only, no code changes.

src/backend/optimizer/util/clauses.c

index 7ad7bb3635b5e9478f63ef84c3685320d8cf6ce6..ad029501d29ef844dd864e5bf225acce43fab03a 100644 (file)
@@ -2123,7 +2123,8 @@ eval_const_expressions_mutator(Node *node,
                    if (OidIsValid(prm->ptype))
                    {
                        /* OK to substitute parameter value? */
-                       if (context->estimate || (prm->pflags & PARAM_FLAG_CONST))
+                       if (context->estimate ||
+                           (prm->pflags & PARAM_FLAG_CONST))
                        {
                            /*
                             * Return a Const representing the param value.
@@ -2136,7 +2137,8 @@ eval_const_expressions_mutator(Node *node,
                            Datum       pval;
 
                            Assert(prm->ptype == param->paramtype);
-                           get_typlenbyval(param->paramtype, &typLen, &typByVal);
+                           get_typlenbyval(param->paramtype,
+                                           &typLen, &typByVal);
                            if (prm->isnull || typByVal)
                                pval = prm->value;
                            else
@@ -2192,11 +2194,14 @@ eval_const_expressions_mutator(Node *node,
                 */
                simple = simplify_function((Expr *) expr,
                                           expr->funcid,
-                                     expr->funcresulttype, exprTypmod(node),
+                                          expr->funcresulttype,
+                                          exprTypmod(node),
                                           expr->funccollid,
                                           expr->inputcollid,
                                           &args,
-                                          has_named_args, true, context);
+                                          has_named_args,
+                                          true,
+                                          context);
                if (simple)     /* successfully simplified it */
                    return (Node *) simple;
 
@@ -2262,7 +2267,8 @@ eval_const_expressions_mutator(Node *node,
                if (expr->opno == BooleanEqualOperator ||
                    expr->opno == BooleanNotEqualOperator)
                {
-                   simple = (Expr *) simplify_boolean_equality(expr->opno, args);
+                   simple = (Expr *) simplify_boolean_equality(expr->opno,
+                                                               args);
                    if (simple) /* successfully simplified it */
                        return (Node *) simple;
                }
@@ -2395,12 +2401,15 @@ eval_const_expressions_mutator(Node *node,
                            bool        haveNull = false;
                            bool        forceTrue = false;
 
-                           newargs = simplify_or_arguments(expr->args, context,
-                                                     &haveNull, &forceTrue);
+                           newargs = simplify_or_arguments(expr->args,
+                                                           context,
+                                                           &haveNull,
+                                                           &forceTrue);
                            if (forceTrue)
                                return makeBoolConst(true, false);
                            if (haveNull)
-                               newargs = lappend(newargs, makeBoolConst(false, true));
+                               newargs = lappend(newargs,
+                                                 makeBoolConst(false, true));
                            /* If all the inputs are FALSE, result is FALSE */
                            if (newargs == NIL)
                                return makeBoolConst(false, false);
@@ -2420,12 +2429,15 @@ eval_const_expressions_mutator(Node *node,
                            bool        haveNull = false;
                            bool        forceFalse = false;
 
-                           newargs = simplify_and_arguments(expr->args, context,
-                                                    &haveNull, &forceFalse);
+                           newargs = simplify_and_arguments(expr->args,
+                                                            context,
+                                                            &haveNull,
+                                                            &forceFalse);
                            if (forceFalse)
                                return makeBoolConst(false, false);
                            if (haveNull)
-                               newargs = lappend(newargs, makeBoolConst(false, true));
+                               newargs = lappend(newargs,
+                                                 makeBoolConst(false, true));
                            /* If all the inputs are TRUE, result is TRUE */
                            if (newargs == NIL)
                                return makeBoolConst(true, false);
@@ -2541,8 +2553,10 @@ eval_const_expressions_mutator(Node *node,
                 * Note that the coercion functions are assumed not to care
                 * about input collation, so we just pass InvalidOid for that.
                 */
-               getTypeOutputInfo(exprType((Node *) arg), &outfunc, &outtypisvarlena);
-               getTypeInputInfo(expr->resulttype, &infunc, &intypioparam);
+               getTypeOutputInfo(exprType((Node *) arg),
+                                 &outfunc, &outtypisvarlena);
+               getTypeInputInfo(expr->resulttype,
+                                &infunc, &intypioparam);
 
                simple = simplify_function(NULL,
                                           outfunc,
@@ -2559,12 +2573,20 @@ eval_const_expressions_mutator(Node *node,
                     * complain.
                     */
                    args = list_make3(simple,
-                              makeConst(OIDOID, -1, InvalidOid, sizeof(Oid),
-                                        ObjectIdGetDatum(intypioparam),
-                                        false, true),
-                           makeConst(INT4OID, -1, InvalidOid, sizeof(int32),
-                                     Int32GetDatum(-1),
-                                     false, true));
+                                     makeConst(OIDOID,
+                                               -1,
+                                               InvalidOid,
+                                               sizeof(Oid),
+                                               ObjectIdGetDatum(intypioparam),
+                                               false,
+                                               true),
+                                     makeConst(INT4OID,
+                                               -1,
+                                               InvalidOid,
+                                               sizeof(int32),
+                                               Int32GetDatum(-1),
+                                               false,
+                                               true));
 
                    simple = simplify_function(NULL,
                                               infunc,
@@ -2681,19 +2703,20 @@ eval_const_expressions_mutator(Node *node,
                 * condition clauses:
                 *      FALSE (or NULL): drop the alternative
                 *      TRUE: drop all remaining alternatives
-                * If the first non-FALSE alternative is a constant TRUE, we can
-                * simplify the entire CASE to that alternative's expression.
-                * If there are no non-FALSE alternatives, we simplify the entire
-                * CASE to the default result (ELSE result).
+                * If the first non-FALSE alternative is a constant TRUE,
+                * we can simplify the entire CASE to that alternative's
+                * expression.  If there are no non-FALSE alternatives,
+                * we simplify the entire CASE to the default result (ELSE).
                 *
-                * If we have a simple-form CASE with constant test expression,
-                * we substitute the constant value for contained CaseTestExpr
-                * placeholder nodes, so that we have the opportunity to reduce
-                * constant test conditions.  For example this allows
+                * If we have a simple-form CASE with constant test
+                * expression, we substitute the constant value for contained
+                * CaseTestExpr placeholder nodes, so that we have the
+                * opportunity to reduce constant test conditions.  For
+                * example this allows
                 *      CASE 0 WHEN 0 THEN 1 ELSE 1/0 END
-                * to reduce to 1 rather than drawing a divide-by-0 error.  Note
-                * that when the test expression is constant, we don't have to
-                * include it in the resulting CASE; for example
+                * to reduce to 1 rather than drawing a divide-by-0 error.
+                * Note that when the test expression is constant, we don't
+                * have to include it in the resulting CASE; for example
                 *      CASE 0 WHEN x THEN y ELSE z END
                 * is transformed by the parser to
                 *      CASE 0 WHEN CaseTestExpr = x THEN y ELSE z END
@@ -2723,8 +2746,7 @@ eval_const_expressions_mutator(Node *node,
                if (newarg && IsA(newarg, Const))
                {
                    context->case_val = newarg;
-                   newarg = NULL;      /* not needed anymore, see comment
-                                        * above */
+                   newarg = NULL;      /* not needed anymore, see above */
                }
                else
                    context->case_val = NULL;
@@ -2741,9 +2763,8 @@ eval_const_expressions_mutator(Node *node,
                    Assert(IsA(oldcasewhen, CaseWhen));
 
                    /* Simplify this alternative's test condition */
-                   casecond =
-                       eval_const_expressions_mutator((Node *) oldcasewhen->expr,
-                                                      context);
+                   casecond = eval_const_expressions_mutator((Node *) oldcasewhen->expr,
+                                                             context);
 
                    /*
                     * If the test condition is constant FALSE (or NULL), then
@@ -2756,16 +2777,14 @@ eval_const_expressions_mutator(Node *node,
 
                        if (const_input->constisnull ||
                            !DatumGetBool(const_input->constvalue))
-                           continue;   /* drop alternative with FALSE
-                                        * condition */
+                           continue;   /* drop alternative with FALSE cond */
                        /* Else it's constant TRUE */
                        const_true_cond = true;
                    }
 
                    /* Simplify this alternative's result value */
-                   caseresult =
-                       eval_const_expressions_mutator((Node *) oldcasewhen->result,
-                                                      context);
+                   caseresult = eval_const_expressions_mutator((Node *) oldcasewhen->result,
+                                                               context);
 
                    /* If non-constant test condition, emit a new WHEN node */
                    if (!const_true_cond)
@@ -2790,9 +2809,8 @@ eval_const_expressions_mutator(Node *node,
 
                /* Simplify the default result, unless we replaced it above */
                if (!const_true_cond)
-                   defresult =
-                       eval_const_expressions_mutator((Node *) caseexpr->defresult,
-                                                      context);
+                   defresult = eval_const_expressions_mutator((Node *) caseexpr->defresult,
+                                                              context);
 
                context->case_val = save_case_val;