private void AddUpdate(KdPgColumnDescriptor column, Func <TypedExpression, TypedExpression> template)
{
if (!UpdateParts.ContainsKey(column))
{
UpdateParts[column] = column.TypedExpression;
}
UpdateParts[column] = template(UpdateParts[column]);
}
public void UseColumn(KdPgColumnDescriptor column)
{
if (_useAllColumns)
{
_columns = new List <KdPgColumnDescriptor>();
_useAllColumns = false;
}
_columns.Add(column);
}
public static TypedExpression CurrSeqValueOfTable(KdPgColumnDescriptor column)
{
RawQuery rq = new RawQuery();
rq.Append("currval(pg_get_serial_sequence(");
rq.Append(EscapeUtils.EscapePostgresString(EscapeUtils.QuoteTable(column.Table.Name, column.Table.Schema)));
rq.Append(",");
rq.Append(EscapeUtils.EscapePostgresString(column.Name));
rq.Append("))");
return(new TypedExpression(rq, KDPgValueTypeInstances.Integer));
}
public InsertQuery <TModel> UsePreviousInsertId <TRefModel>(Expression <Func <TModel, object> > field, Expression <Func <TRefModel, int> > idField)
{
var column = NodeVisitor.EvaluateExpressionToColumn(field);
var refColumn = NodeVisitor.EvaluateExpressionToColumn(idField);
if ((refColumn.Flags & KDPgColumnFlagsEnum.AutoIncrement) == 0)
{
throw new ArgumentException("Reference field must be auto increment");
}
_idColumn = column;
_idRefColumn = refColumn;
return(this);
}
public static object GetModelValueByColumn(object model, KdPgColumnDescriptor column)
{
return(column.PropertyInfo.GetValue(model));
}
