/**
* {@inheritdoc}
*/
protected function visitString(StringNode $node)
{
if (count($this->primary) == 0) {
return new ConditionBuilder('false');
}
$condition = new ConditionBuilder();
foreach ($this->primary as $column) {
$condition->or('%m.%c LIKE %s', $this->model, $column, '%' . ConditionBuilder::escapeLike($node->value) . '%');
}
return $condition;
}
/**
* Interpolate variables. See {@see Condition::interpolate}.
* @param string $query Query.
* @param array $vars Variables.
* @return string Interpolated query.
*/
protected function escapeQuery($query, $vars = array())
{
if (!is_array($vars)) {
$vars = func_get_args();
array_shift($vars);
}
return ConditionBuilder::interpolate($query, $vars, $this->owner);
}
/**
* Convert a schema type to an SQLite type
* @param DataType $type Type.
* @param bool $isPrimaryKey True if primary key.
* @return string SQLite type.
*/
public function fromDataType(DataType $type, $isPrimaryKey = false)
{
$primaryKey = '';
if ($isPrimaryKey) {
$primaryKey = ' PRIMARY KEY';
}
switch ($type->type) {
case DataType::INTEGER:
if ($type->size == DataType::BIG) {
$column = 'INTEGER(8)';
} else {
if ($type->size == DataType::SMALL) {
$column = 'INTEGER(2)';
} else {
if ($type->size == DataType::TINY) {
$column = 'INTEGER(1)';
} else {
$column = 'INTEGER';
}
}
}
if ($isPrimaryKey and $type->autoIncrement) {
$primaryKey .= ' AUTOINCREMENT';
}
break;
case DataType::FLOAT:
$column = 'REAL';
break;
case DataType::STRING:
$column = 'TEXT(' . $type->length . ')';
break;
case DataType::BOOLEAN:
$column = 'INTEGER(1)';
break;
case DataType::BINARY:
$column = 'BLOB';
break;
case DataType::DATE:
$column = 'INTEGER';
break;
case DataType::DATETIME:
$column = 'INTEGER';
break;
case DataType::TEXT:
case DataType::ENUM:
case DataType::OBJECT:
default:
$column = 'TEXT';
break;
}
$column .= $primaryKey;
if ($type->notNull) {
$column .= ' NOT';
}
$column .= ' NULL';
if (isset($type->default)) {
$column .= ConditionBuilder::interpolate(' DEFAULT %_', array($type, $type->default), $this->db);
}
return $column;
}
/**
* Find row number of a record in the result set of a selection. The selection
* must be ordered.
* @param ReadSelectionBuilder $selection A read selection.
* @param Record $record A record.
* @throws InvalidSelectionException If the selection is not ordered.
* @return int Row number.
*/
public function rowNumberSelection(ReadSelectionBuilder $selection, Record $record)
{
if (empty($selection->orderBy)) {
throw new InvalidSelectionException(tr('Can\'t find row number in selection without ordering'));
}
$condition = new ConditionBuilder();
foreach ($selection->orderBy as $orderBy) {
$column = $orderBy['column'];
$type = $this->getType($column)->placeholder;
if ($orderBy['descending']) {
$condition->and($column . ' > ' . $type, $record->{$column});
} else {
$condition->and($column . ' < ' . $type, $record->{$column});
}
}
return $selection->and($condition)->count() + 1;
}
