static void AppendAggregateFunction(SqlGenerator generator, DbExpression exp, Type retType, string functionName, bool withCast)
{
string dbTypeString = null;
if (withCast == true)
{
Type unType = Utils.GetUnderlyingType(retType);
if (CastTypeMap.TryGetValue(unType, out dbTypeString))
{
generator._sqlBuilder.Append("CAST(");
}
}
generator._sqlBuilder.Append(functionName, "(");
exp.Accept(generator);
generator._sqlBuilder.Append(")");
if (dbTypeString != null)
{
generator._sqlBuilder.Append(" AS ", dbTypeString, ")");
}
}
static void AppendAggregateFunction(SqlGenerator generator, DbExpression exp, Type retType, string functionName, bool withCast)
{
string dbTypeString = null;
if (withCast == true)
{
Type underlyingType = ReflectionExtension.GetUnderlyingType(retType);
if (underlyingType != PublicConstants.TypeOfDecimal /* We don't know the precision and scale,so,we can not cast exp to decimal,otherwise maybe cause problems. */ && CastTypeMap.TryGetValue(underlyingType, out dbTypeString))
{
generator._sqlBuilder.Append("CAST(");
}
}
generator._sqlBuilder.Append(functionName, "(");
exp.Accept(generator);
generator._sqlBuilder.Append(")");
if (dbTypeString != null)
{
generator._sqlBuilder.Append(" AS ", dbTypeString, ")");
}
}
