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Change TRUE/FALSE to true/false

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The lower case spellings are C and C++ standard and are used in most
parts of the PostgreSQL sources.  The upper case spellings are only used
in some files/modules.  So standardize on the standard spellings.

The APIs for ICU, Perl, and Windows define their own TRUE and FALSE, so
those are left as is when using those APIs.

In code comments, we use the lower-case spelling for the C concepts and
keep the upper-case spelling for the SQL concepts.

Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
This commit is contained in:
Peter Eisentraut
2017-08-16 00:22:32 -04:00
parent 4497f2f3b3
commit 2eb4a831e5
216 changed files with 1168 additions and 1168 deletions
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32
src/backend/optimizer/util/predtest.c
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@ -1048,7 +1048,7 @@ arrayexpr_cleanup_fn(PredIterInfo info)
* Does the predicate implication test for a "simple clause" predicate
* and a "simple clause" restriction.
*
* We return TRUE if able to prove the implication, FALSE if not.
* We return true if able to prove the implication, false if not.
*
* We have three strategies for determining whether one simple clause
* implies another:
@ -1116,7 +1116,7 @@ predicate_implied_by_simple_clause(Expr *predicate, Node *clause,
* Does the predicate refutation test for a "simple clause" predicate
* and a "simple clause" restriction.
*
* We return TRUE if able to prove the refutation, FALSE if not.
* We return true if able to prove the refutation, false if not.
*
* Unlike the implication case, checking for equal() clauses isn't
* helpful.
@ -1360,12 +1360,12 @@ static const bool BT_implies_table[6][6] = {
* The predicate operator:
* LT LE EQ GE GT NE
*/
{TRUE, TRUE, none, none, none, TRUE}, /* LT */
{none, TRUE, none, none, none, none}, /* LE */
{none, TRUE, TRUE, TRUE, none, none}, /* EQ */
{none, none, none, TRUE, none, none}, /* GE */
{none, none, none, TRUE, TRUE, TRUE}, /* GT */
{none, none, none, none, none, TRUE} /* NE */
{true, true, none, none, none, true}, /* LT */
{none, true, none, none, none, none}, /* LE */
{none, true, true, true, none, none}, /* EQ */
{none, none, none, true, none, none}, /* GE */
{none, none, none, true, true, true}, /* GT */
{none, none, none, none, none, true} /* NE */
};
static const bool BT_refutes_table[6][6] = {
@ -1373,12 +1373,12 @@ static const bool BT_refutes_table[6][6] = {
* The predicate operator:
* LT LE EQ GE GT NE
*/
{none, none, TRUE, TRUE, TRUE, none}, /* LT */
{none, none, none, none, TRUE, none}, /* LE */
{TRUE, none, none, none, TRUE, TRUE}, /* EQ */
{TRUE, none, none, none, none, none}, /* GE */
{TRUE, TRUE, TRUE, none, none, none}, /* GT */
{none, none, TRUE, none, none, none} /* NE */
{none, none, true, true, true, none}, /* LT */
{none, none, none, none, true, none}, /* LE */
{true, none, none, none, true, true}, /* EQ */
{true, none, none, none, none, none}, /* GE */
{true, true, true, none, none, none}, /* GT */
{none, none, true, none, none, none} /* NE */
};
static const StrategyNumber BT_implic_table[6][6] = {
@ -1417,7 +1417,7 @@ static const StrategyNumber BT_refute_table[6][6] = {
* When refute_it == false, we want to prove the predicate true;
* when refute_it == true, we want to prove the predicate false.
* (There is enough common code to justify handling these two cases
* in one routine.) We return TRUE if able to make the proof, FALSE
* in one routine.) We return true if able to make the proof, false
* if not able to prove it.
*
* We can make proofs involving several expression forms (here "foo" and "bar"
@ -1661,7 +1661,7 @@ operator_predicate_proof(Expr *predicate, Node *clause, bool refute_it)
* Assuming that EXPR1 clause_op EXPR2 is true, try to prove or refute
* EXPR1 pred_op EXPR2.
*
* Return TRUE if able to make the proof, false if not able to prove it.
* Return true if able to make the proof, false if not able to prove it.
*/
static bool
operator_same_subexprs_proof(Oid pred_op, Oid clause_op, bool refute_it)