public function GetColumnDirection(Column $Column)
{
if (isset($this->Directions[$Column->GetName()])) {
return $this->Directions[$Column->GetName()];
} else {
return IndexDirection::Ascending;
}
}
public function __construct(Column $Column, CoreExpression $ValueExpression)
{
$this->PersistExpression = $Column instanceof Column ? $Column->GetDataType()->GetPersistExpression($ValueExpression) : $ValueExpression;
}
public final function AppendColumnData(Relational\Columns\Column $Column, $Value)
{
$ValueExpression = Relational\Expressions\Expression::Constant($Value);
$PersistExpression = $Column->GetDataType()->GetPersistExpression($ValueExpression);
if ($ValueExpression === $PersistExpression) {
$this->AppendSingleValue($Value);
} else {
$this->ExpressionCompiler->Append($this, $PersistExpression);
}
}
public function __construct($Name, $Length, $Precision, $Unsigned = false)
{
parent::__construct($Name, new Columns\DataType('DECIMAL', [$Length, $Precision], $Unsigned ? 'UNSIGNED' : '', ParameterType::String));
}
private function AppendColumnPosition(QueryBuilder $QueryBuilder, Column $PreviousColumn = null)
{
return $PreviousColumn === null ? $QueryBuilder->Append('FIRST') : $QueryBuilder->AppendIdentifier('AFTER #', [$PreviousColumn->GetName()]);
}