public function testConstruct()
{
$field = new FieldExpression('field');
$this->assertEquals('field', $field->getName());
$this->assertNull($field->getTable());
$this->assertNull($field->getAlias());
}
/**
* Get the quoted name of the given field, ready to query
* @param Field field field to get the quoted query name of
* @param boolean useAlias true to use the field's alias if set, false otherwise (default: true)
* @return string quoted name of the field
*/
protected function parseFieldExpression(FieldExpression $field, $useAlias = true)
{
$alias = $field->getAlias();
if ($alias && $useAlias) {
return $this->connection->quoteIdentifier($alias);
}
$name = $this->connection->quoteIdentifier($field->getName());
$table = $field->getTable();
if ($table) {
$name = $this->parseTableExpression($table, true) . '.' . $name;
}
return $name;
}
/**
* Processes the relations and localization of a model field and add the expression to the statement.
* @param zibo\library\database\manipulation\expression\FieldExpression $fieldExpression
* @return null
*/
private function processAndAddFieldExpression(FieldExpression $fieldExpression)
{
$name = $fieldExpression->getName();
$table = $fieldExpression->getTable();
$alias = $fieldExpression->getAlias();
if ($table !== null) {
$this->addField($table, $name, null, $alias);
return;
}
$field = $this->meta->getField($name);
if ($field instanceof HasField) {
$this->recursiveHasFields[$name] = $field;
return;
}
if ($field instanceof BelongsToField) {
$this->addBelongsTo($field);
return;
}
if ($field->isLocalized()) {
$this->addField($this->tables[self::ALIAS_SELF_LOCALIZED], $name, null, $alias);
$this->localize = true;
} else {
$this->addField($this->tables[self::ALIAS_SELF], $name, null, $alias);
}
}
