solve#368 add CURRENT_TIMESTAMP to the list of SQL functions

Author: Marc Vachette

src/PHPSQLParser/utils/PHPSQLParserConstants.php

@@ -149,7 +149,7 @@ class PHPSQLParserConstants {
                                  'TAN', 'TIME', 'TIMEDIFF', 'TIMESTAMP', 'TIMESTAMPADD', 'TIMESTAMPDIFF',
                                  'TIME_FORMAT', 'TIME_TO_SEC', 'TO_DAYS', 'TRIM', 'TRUNCATE', 'UCASE', 'UNCOMPRESS',
                                  'UNCOMPRESSED_LENGTH', 'UNHEX', 'UNIX_TIMESTAMP', 'UPPER', 'USER', 'UTC_DATE',
-                                 'UTC_TIME', 'UTC_TIMESTAMP', 'UUID', 'VAR_POP', 'VAR_SAMP', 'VARIANCE', 'VERSION',
+                                 'UTC_TIME', 'CURRENT_TIMESTAMP', 'UTC_TIMESTAMP', 'UUID', 'VAR_POP', 'VAR_SAMP', 'VARIANCE', 'VERSION',
                                  'WEEK', 'WEEKDAY', 'WEEKOFYEAR', 'YEAR', 'YEARWEEK');
 
     protected $aggregateFunctions = array('AVG', 'SUM', 'COUNT', 'MIN', 'MAX', 'STD', 'STDDEV', 'STDDEV_SAMP',

tests/cases/creator/issue368Test.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * issue368.php
+ *
+ * Test case for PHPSQLCreator.
+ */
+
+namespace PHPSQLParser\Test\Creator;
+
+use PHPSQLParser\PHPSQLParser;
+use PHPSQLParser\PHPSQLCreator;
+
+class Issue368Test extends \PHPUnit\Framework\TestCase
+{
+    /*
+     * https://github.com/greenlion/PHP-SQL-Parser/issues/368
+     * CURRENT_TIMESTAMP is detected as a reserved word an generate errors when used in JOIN clause
+     */
+    public function testIssue368()
+    {
+        $sql = "SELECT foo FROM barTable LEFT JOIN bazTable ON barTable.a = bazTable.a AND bazTable.d <= CURRENT_TIMESTAMP"; // KO
+
+        $parser = new PHPSQLParser();
+        $creator = new PHPSQLCreator();
+
+        $parser->parse($sql);
+
+        $this->assertEquals($sql, $creator->create($parser->parsed));
+    }
+}