private void CoerceToFirst(SqlExpression arg1, ref SqlExpression arg2)
{
if (arg1.SqlType != null && arg2.SqlType != null)
{
if (arg2.NodeType == SqlNodeType.Value)
{
SqlValue val = (SqlValue)arg2;
arg2 = sql.Value(
arg1.ClrType, arg1.SqlType,
DBConvert.ChangeType(val.Value, arg1.ClrType),
val.IsClientSpecified, arg2.SourceExpression
);
}
else if (arg2.NodeType == SqlNodeType.ClientParameter && arg2.SqlType != arg1.SqlType)
{
SqlClientParameter cp = (SqlClientParameter)arg2;
cp.SetSqlType(arg1.SqlType);
}
else
{
arg2 = sql.UnaryConvert(arg1.ClrType, arg1.SqlType, arg2, arg2.SourceExpression);
}
}
}
