protected function processColumns($cols)
{
if ($cols === false) {
return $cols;
}
if ($cols[0] === '(' && substr($cols, -1) === ')') {
$parsed = array('expr_type' => ExpressionType::BRACKET_EXPRESSION, 'base_expr' => $cols, 'sub_tree' => false);
}
$cols = $this->removeParenthesisFromStart($cols);
if (stripos($cols, 'SELECT') === 0) {
$processor = new DefaultProcessor($this->options);
$parsed['sub_tree'] = array(array('expr_type' => ExpressionType::QUERY, 'base_expr' => $cols, 'sub_tree' => $processor->process($cols)));
} else {
$processor = new ColumnListProcessor($this->options);
$parsed['sub_tree'] = $processor->process($cols);
$parsed['expr_type'] = ExpressionType::COLUMN_LIST;
}
return $parsed;
}
protected function processColumnList($unparsed)
{
$processor = new ColumnListProcessor($this->options);
$expr = $this->removeParenthesisFromStart($unparsed);
return $processor->process($expr);
}
protected function processColumnList($unparsed)
{
$processor = new ColumnListProcessor($this->options);
return $processor->process($unparsed);
}