/**
* Compile an insert statement into SQL.
*
* @param \Database\Query\Builder $query
* @param array $values
* @return string
*/
public function doCompileInsert(Builder $query, array $values, $type)
{
// Essentially we will force every insert to be treated as a batch insert which
// simply makes creating the SQL easier for us since we can utilize the same
// basic routine regardless of an amount of records given to us to insert.
$table = $this->wrapTable($query->from);
if (!is_array(reset($values))) {
$values = array($values);
}
// If there is only one record being inserted, we will just use the usual query
// grammar insert builder because no special syntax is needed for the single
// row inserts in SQLite. However, if there are multiples, we'll continue.
if (count($values) == 1) {
return parent::doCompileInsert($query, reset($values), $type);
}
$names = $this->columnize(array_keys(reset($values)));
$columns = array();
// SQLite requires us to build the multi-row insert as a listing of select with
// unions joining them together. So we'll build out this list of columns and
// then join them all together with select unions to complete the queries.
foreach (array_keys(reset($values)) as $column) {
$columns[] = '? as ' . $this->wrap($column);
}
$columns = array_fill(0, count($values), implode(', ', $columns));
return "{$type} into {$table} ({$names}) select " . implode(' union select ', $columns);
}
/**
* Compile the "from" portion of the query.
*
* @param \Database\Query\Builder $query
* @param string $table
* @return string
*/
protected function compileFrom(Builder $query, $table)
{
$from = parent::compileFrom($query, $table);
if (is_string($query->lock)) {
return $from . ' ' . $query->lock;
}
if (!is_null($query->lock)) {
return $from . ' with(rowlock,' . ($query->lock ? 'updlock,' : '') . 'holdlock)';
}
return $from;
}
/**
* Compile an update statement into SQL.
*
* @param \Database\Query\Builder $query
* @param array $values
* @return string
*/
public function compileUpdate(Builder $query, $values)
{
$sql = parent::compileUpdate($query, $values);
if (isset($query->orders)) {
$sql .= ' ' . $this->compileOrders($query, $query->orders);
}
if (isset($query->limit)) {
$sql .= ' ' . $this->compileLimit($query, $query->limit);
}
return rtrim($sql);
}
/**
* Run a truncate statement on the table.
*
* @return void
*/
public function truncate()
{
foreach ($this->grammar->compileTruncate($this) as $sql => $bindings) {
$this->connection->query($sql, $bindings);
}
}