internal static void ConvertConstantToString <valueType>(ConstantConverter converter, CharStream sqlStream, valueType value)
{
if (value == null)
{
sqlStream.WriteJsonNull();
}
else
{
converter.convertString(sqlStream, value.ToString());
}
}
/// <summary>
/// 排序字符串
/// </summary>
/// <param name="sqlTable">数据库表格操作工具</param>
/// <param name="sqlStream">SQL表达式流</param>
/// <param name="constantConverter"></param>
/// <param name="query"></param>
internal void WriteOrder(Table sqlTable, CharStream sqlStream, ConstantConverter constantConverter, ref SelectQuery <modelType> query)
{
if (Orders != null)
{
int isNext = 0;
sqlStream.SimpleWriteNotNull(" order by ");
foreach (KeyValue <LambdaExpression, bool> order in Orders)
{
if (isNext == 0)
{
isNext = 1;
}
else
{
sqlStream.Write(',');
}
if (order.Key == null)
{
throw new ArgumentNullException();
}
sqlTable.Client.GetSql(order.Key, sqlStream, ref query);
if (order.Value)
{
sqlStream.SimpleWriteNotNull(" desc");
}
}
}
else if (SqlFieldOrders != null)
{
int isNext = 0;
sqlStream.SimpleWriteNotNull(" order by ");
foreach (KeyValue <Field, bool> order in SqlFieldOrders)
{
if (isNext == 0)
{
if (query.IndexFieldName == null)
{
query.IndexFieldSqlName = constantConverter.ConvertName(query.IndexFieldName = order.Key.FieldInfo.Name);
}
isNext = 1;
}
else
{
sqlStream.Write(',');
}
constantConverter.ConvertNameToSqlStream(sqlStream, order.Key.FieldInfo.Name);
if (order.Value)
{
sqlStream.SimpleWriteNotNull(" desc");
}
}
}
}
/// <summary>
/// 字段信息
/// </summary>
/// <param name="field">字段信息</param>
/// <param name="attribute">数据库成员信息</param>
internal Field(FieldIndex field, MemberAttribute attribute)
{
FieldInfo = field.Member;
MemberMapIndex = field.MemberIndex;
DataMember = format(attribute, FieldInfo.FieldType, ref IsSqlColumn);
if ((NullableDataType = DataMember.DataType) == null)
{
NullableDataType = FieldInfo.FieldType;
}
if ((DataReaderMethod = DataReader.GetMethod(DataType = NullableDataType.nullableType() ?? NullableDataType)) == null)
{
if (IsSqlColumn)
{
if (isSqlColumn(DataType))
{
return;
}
IsSqlColumn = false;
}
#if NOJIT
DataType = NullableDataType = typeof(string);
DataReaderMethod = DataReader.GetMethodInfo;
#else
DataReaderMethod = DataReader.GetMethod(DataType = NullableDataType = typeof(string));
#endif
IsUnknownJson = true;
ToSqlCastMethod = jsonSerializeMethod.MakeGenericMethod(FieldInfo.FieldType);
ToModelCastMethod = jsonParseMethod.MakeGenericMethod(FieldInfo.FieldType);
}
else
{
ToSqlCastMethod = AutoCSer.Emit.CastType.GetMethod(FieldInfo.FieldType, DataType);
ToModelCastMethod = AutoCSer.Emit.CastType.GetMethod(DataType, FieldInfo.FieldType);
}
SqlFieldName = keywordSearcher.SearchLower(FieldInfo.Name) < 0 ? FieldInfo.Name : toSqlName(FieldInfo.Name);
if (attribute != null && attribute.IsNowTime && FieldInfo.FieldType == typeof(DateTime))
{
IsNowTime = true;
}
ToSqlMethod = ConstantConverter.GetMethod(DataType);
}
/// <summary>
/// 字段信息
/// </summary>
/// <param name="field">字段信息</param>
/// <param name="attribute">数据库成员信息</param>
internal Field(FieldIndex field, MemberAttribute attribute)
{
FieldInfo = field.Member;
MemberMapIndex = field.MemberIndex;
DataMember = format(attribute, FieldInfo.FieldType, ref IsSqlColumn);
if ((NullableDataType = DataMember.DataType) == null)
{
NullableDataType = FieldInfo.FieldType;
}
if ((DataReaderDelegate = DataReader.GetDelegate(DataType = NullableDataType.nullableType() ?? NullableDataType)) == null)
{
if (IsSqlColumn)
{
if (isSqlColumn(DataType))
{
return;
}
IsSqlColumn = false;
}
#if NOJIT
DataType = NullableDataType = typeof(string);
DataReaderMethod = DataReader.GetMethodInfo;
#else
DataReaderDelegate = DataReader.GetDelegate(DataType = NullableDataType = typeof(string));
#endif
IsUnknownJson = true;
AutoCSer.Sql.Metadata.GenericType GenericType = AutoCSer.Sql.Metadata.GenericType.Get(FieldInfo.FieldType);
ToSqlCastMethod = GenericType.JsonSerializeMethod;
ToModelCastMethod = GenericType.JsonDeSerializeMethod;
}
else
{
ToSqlCastMethod = AutoCSer.Emit.CastType.GetMethod(FieldInfo.FieldType, DataType);
ToModelCastMethod = AutoCSer.Emit.CastType.GetMethod(DataType, FieldInfo.FieldType);
}
if (attribute != null && attribute.NowTimeType != NowTimeType.None && FieldInfo.FieldType == typeof(DateTime))
{
NowTimeType = attribute.NowTimeType;
}
ToSqlMethod = ConstantConverter.GetMethod(DataType);
}