remove true, false from reseved values

[greenlion#342 (comment)]

src/PHPSQLParser/utils/PHPSQLParserConstants.php

@@ -71,7 +71,7 @@ class PHPSQLParserConstants {
                                 'DAY_MICROSECOND', 'DAY_MINUTE', 'DAY_SECOND', 'DEC', 'DECIMAL', 'DECLARE', 'DEFAULT',
                                 'DELAYED', 'DELETE', 'DESC', 'DESCRIBE', 'DETERMINISTIC', 'DISTINCT', 'DISTINCTROW',
                                 'DIV', 'DOUBLE', 'DROP', 'ELSE', 'ELSEIF', 'END', 'ENCLOSED', 'ESCAPED', 'EXISTS',
-                                'EXIT', 'EXPLAIN', 'FALSE', 'FETCH', 'FIELDS', 'FLOAT', 'FOR', 'FORCE', 'FOREIGN',
+                                'EXIT', 'EXPLAIN',  'FETCH', 'FIELDS', 'FLOAT', 'FOR', 'FORCE', 'FOREIGN',
                                 'FOUND', 'FRAC_SECOND', 'FROM', 'FULLTEXT', 'GRANT', 'GROUP', 'HAVING',
                                 'HIGH_PRIORITY', 'HOUR_MICROSECOND', 'HOUR_MINUTE', 'HOUR_SECOND', 'IF', 'IGNORE',
                                 'IN', 'INDEX', 'INFILE', 'INNER', 'INNODB', 'INOUT', 'INSENSITIVE', 'INSERT', 'INT',
@@ -90,7 +90,7 @@ class PHPSQLParserConstants {
                                 'SQL_TSI_MINUTE', 'SQL_TSI_MONTH', 'SQL_TSI_QUARTER', 'SQL_TSI_SECOND', 'SQL_TSI_WEEK',
                                 'SQL_TSI_YEAR', 'SSL', 'STARTING', 'STRAIGHT_JOIN', 'STRIPED', 'TABLE', 'TABLES',
                                 'TEMPORARY', 'TERMINATED', 'THEN', 'TIMESTAMPADD', 'TIMESTAMPDIFF', 'TINYBLOB',
-                                'TINYINT', 'TINYTEXT', 'TO', 'TRAILING', 'TRUE', 'UNDO', 'UNION', 'UNIQUE', 'UNLOCK',
+                                'TINYINT', 'TINYTEXT', 'TO', 'TRAILING', 'UNDO', 'UNION', 'UNIQUE', 'UNLOCK',
                                 'UNSIGNED', 'UPDATE', 'USAGE', 'USE', 'USER_RESOURCES', 'USING', 'UTC_DATE',
                                 'UTC_TIME', 'UTC_TIMESTAMP', 'VALUES', 'VARBINARY', 'VARCHAR', 'VARCHARACTER',
                                 'VARYING', 'WHEN', 'WHERE', 'WHILE', 'WITH', 'WRITE', 'XOR', 'YEAR_MONTH', 'ZEROFILL');

tests/cases/creator/issue342Test.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace PHPSQLParser\Test\Creator;
+use PHPSQLParser\PHPSQLParser;
+use PHPSQLParser\PHPSQLCreator;
+
+class issue342Test extends \PHPUnit_Framework_TestCase
+{
+    public function testIssue299()
+    {
+        $sql = 'select if(true, true, false) from t';
+
+        $parser = new PHPSQLParser();
+        $creator = new PHPSQLCreator();
+
+        $parser->parse($sql, true);
+
+        $this->assertEquals($sql, $creator->create($parser->parsed));
+    }
+}