private void CoerceTypeFamily(SqlExpression arg1, SqlExpression arg2)
{
if ((arg1.SqlType.HasPrecisionAndScale && arg2.SqlType.HasPrecisionAndScale && arg1.SqlType != arg2.SqlType) ||
SqlFactory.IsSqlHighPrecisionDateTimeType(arg1) || SqlFactory.IsSqlHighPrecisionDateTimeType(arg2))
{
ProviderType best = typeProvider.GetBestType(arg1.SqlType, arg2.SqlType);
SetSqlTypeIfSimpleExpression(arg1, best);
SetSqlTypeIfSimpleExpression(arg2, best);
return;
}
// The SQL data type DATE is special, in that it has a higher range but lower
// precedence, so we need to account for that here (DevDiv 175229)
if (SqlFactory.IsSqlDateType(arg1) && !SqlFactory.IsSqlHighPrecisionDateTimeType(arg2))
{
SetSqlTypeIfSimpleExpression(arg2, arg1.SqlType);
}
else if (SqlFactory.IsSqlDateType(arg2) && !SqlFactory.IsSqlHighPrecisionDateTimeType(arg1))
{
SetSqlTypeIfSimpleExpression(arg1, arg2.SqlType);
}
}