/**
* Save the record.
*
* The record can either be deleted, updated
* or inserted based on record ID and current
* state. Only performs these actions if actually
* necessary.
*
* @param boolean $bulk Bulk flag which gets passed to inserts and updates
* @return mr_db_record
* @throws coding_exception
*/
public function save($bulk = false)
{
// Check for delete
if ($this->is_delete()) {
// Delete the record and reset _record so we don't try to delete again
$this->_table->delete($this->_record->id);
$this->_record = new stdClass();
// Check for update
} else {
if ($this->is_update()) {
$this->_change->id = $this->_record->id;
$this->_table->update_record($this->_change, $bulk);
// Check for insert
} else {
if ($this->is_insert()) {
$this->_record->id = $this->_table->insert_record($this->_record, true, $bulk);
}
}
}
// Reset change state
$this->_change = new stdClass();
return $this;
}
/**
* Mostly copied from mysqli_native_moodle_database. Main change
* is that it defaults the numeric value to the table's default
* value instead of zero
*
* @throws dml_write_exception
* @param mr_db_table $table
* @param $column
* @param $value
* @return int|null|string
*/
protected function normalise_value(mr_db_table $table, $column, $value)
{
if (is_bool($value)) {
// Always, convert boolean to int
$value = (int) $value;
} else {
if ($value === '') {
if ($column->meta_type == 'I' or $column->meta_type == 'F' or $column->meta_type == 'N') {
$value = $table->get_column_default($column);
// prevent '' problems in numeric fields
}
// Any float value being stored in varchar or text field is converted to string to avoid
// any implicit conversion by MySQL
} else {
if (is_float($value) and ($column->meta_type == 'C' or $column->meta_type == 'X')) {
$value = "{$value}";
}
}
}
// workaround for problem with wrong enums in mysql - TODO: Out in Moodle 2.1
if (!empty($column->enums)) {
if (is_null($value) and !$column->not_null) {
// ok - nulls allowed
} else {
if (!in_array((string) $value, $column->enums)) {
throw new dml_write_exception('Enum value ' . s($value) . ' not allowed in field ' . $column->name . '.');
}
}
}
return $value;
}