Remove a custom function from the parser. no return value
| public removeCustomFunction ( String $token ) : null | ||
| $token | String | The name of the function to remove |
| return | null | |
public function testCustomfunction()
{
try {
$sql = "SELECT PERCENTILE(xyz, 90) as percentile from some_table";
$parser = new PHPSQLParser();
$parser->addCustomFunction("percentile");
$p = $parser->parse($sql, true);
} catch (\Exception $e) {
$p = array();
}
$this->assertSame(ExpressionType::CUSTOM_FUNCTION, $p['SELECT'][0]['expr_type'], 'custom function within SELECT clause');
$parser = new PHPSQLParser();
$parser->addCustomFunction("percentile");
$parser->addCustomFunction("foo_bar");
$p = $parser->getCustomFunctions();
$this->assertEquals(array("PERCENTILE", "FOO_BAR"), $p, 'custom function list');
$parser = new PHPSQLParser();
$parser->addCustomFunction("percentile");
$parser->addCustomFunction("foo_bar");
$parser->removeCustomFunction('percentile');
$p = $parser->getCustomFunctions();
$this->assertEquals(array("FOO_BAR"), $p, 'remove custom function from list');
}