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fmgr interface mopup work. Use new DatumGetBool and BoolGetDatum

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macros where appropriate (the code used to have several different ways
of doing that, including Int32, Int8, UInt8, ...).  Remove last few
references to float32 and float64 typedefs --- it's all float4/float8
now.  The typedefs themselves should probably stay in c.h for a release
or two, though, to avoid breaking user-written C functions.
This commit is contained in:
Tom Lane
2000-08-21 17:22:36 +00:00
parent b503cbe319
commit e67ff6b670
8 changed files with 68 additions and 59 deletions
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40
src/backend/optimizer/util/clauses.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.71 2000/08/13 02:50:10 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.72 2000/08/21 17:22:34 tgl Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -353,7 +353,7 @@ make_ands_implicit(Expr *clause)
return clause->args;
else if (IsA(clause, Const) &&
!((Const *) clause)->constisnull &&
DatumGetInt32(((Const *) clause)->constvalue))
DatumGetBool(((Const *) clause)->constvalue))
return NIL; /* constant TRUE input -> NIL list */
else
return lcons(clause, NIL);
@ -1111,12 +1111,15 @@ eval_const_expressions_mutator(Node *node, void *context)
case OR_EXPR:
{
/*
* OR arguments are handled as follows: non constant:
* keep FALSE: drop (does not affect result) TRUE:
* force result to TRUE NULL: keep only one We keep
* one NULL input because ExecEvalOr returns NULL when
* no input is TRUE and at least one is NULL.
/*----------
* OR arguments are handled as follows:
* non constant: keep
* FALSE: drop (does not affect result)
* TRUE: force result to TRUE
* NULL: keep only one
* We keep one NULL input because ExecEvalOr returns NULL
* when no input is TRUE and at least one is NULL.
*----------
*/
List *newargs = NIL;
List *arg;
@ -1133,7 +1136,7 @@ eval_const_expressions_mutator(Node *node, void *context)
const_input = (Const *) lfirst(arg);
if (const_input->constisnull)
haveNull = true;
else if (DatumGetInt32(const_input->constvalue))
else if (DatumGetBool(const_input->constvalue))
forceTrue = true;
/* otherwise, we can drop the constant-false input */
}
@ -1161,12 +1164,15 @@ eval_const_expressions_mutator(Node *node, void *context)
case AND_EXPR:
{
/*
* AND arguments are handled as follows: non constant:
* keep TRUE: drop (does not affect result) FALSE:
* force result to FALSE NULL: keep only one We keep
* one NULL input because ExecEvalAnd returns NULL
/*----------
* AND arguments are handled as follows:
* non constant: keep
* TRUE: drop (does not affect result)
* FALSE: force result to FALSE
* NULL: keep only one
* We keep one NULL input because ExecEvalAnd returns NULL
* when no input is FALSE and at least one is NULL.
*----------
*/
List *newargs = NIL;
List *arg;
@ -1183,7 +1189,7 @@ eval_const_expressions_mutator(Node *node, void *context)
const_input = (Const *) lfirst(arg);
if (const_input->constisnull)
haveNull = true;
else if (!DatumGetInt32(const_input->constvalue))
else if (!DatumGetBool(const_input->constvalue))
forceFalse = true;
/* otherwise, we can drop the constant-true input */
}
@ -1217,7 +1223,7 @@ eval_const_expressions_mutator(Node *node, void *context)
if (const_input->constisnull)
return MAKEBOOLCONST(false, true);
/* otherwise pretty easy */
return MAKEBOOLCONST(!DatumGetInt32(const_input->constvalue),
return MAKEBOOLCONST(!DatumGetBool(const_input->constvalue),
false);
case SUBPLAN_EXPR:
@ -1330,7 +1336,7 @@ eval_const_expressions_mutator(Node *node, void *context)
}
const_input = (Const *) casewhen->expr;
if (const_input->constisnull ||
!DatumGetInt32(const_input->constvalue))
!DatumGetBool(const_input->constvalue))
continue; /* drop alternative with FALSE condition */
/*