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using System.Collections.Generic;
namespace Marina.DataAccess.Builders {
public static class DatabaseDelete {
public static IQuery Where< T >( DatabaseColumn column, T equalsValue ) {
return new DeleteQueryBuilder< T >( column, equalsValue ).Build( );
}
private class DeleteQueryBuilder< T > : IDeleteQueryBuilder {
public DeleteQueryBuilder( DatabaseColumn column, T value ) {
_column = column;
_value = value;
}
public override string ToString() {
return string.Format( "DELETE FROM [{0}] WHERE [{0}].[{1}] = @{1};", _column.TableName, _column.ColumnName );
}
public IEnumerable< DatabaseCommandParameter > Parameters() {
yield return new DatabaseCommandParameter( _column.ColumnName, _value );
}
public IQuery Build() {
return new Query( this );
}
private readonly DatabaseColumn _column;
private readonly T _value;
}
}
}
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