protected virtual DbColumnInfo EntityColumnToDbColumn(EntityInfo entityInfo, string tableName, EntityColumnInfo item)
{
var propertyType = PubMethod.GetUnderType(item.PropertyInfo);
var result = new DbColumnInfo()
{
TableId = entityInfo.Columns.IndexOf(item),
DbColumnName = item.DbColumnName.IsValuable() ? item.DbColumnName : item.PropertyName,
IsPrimarykey = item.IsPrimarykey,
IsIdentity = item.IsIdentity,
TableName = tableName,
IsNullable = item.IsNullable,
DefaultValue = item.DefaultValue,
ColumnDescription = item.ColumnDescription,
Length = item.Length
};
if (!string.IsNullOrEmpty(item.DataType))
{
result.DataType = item.DataType;
}
else if (propertyType.IsEnum())
{
result.DataType = this.Context.Ado.DbBind.GetDbTypeName(item.Length > 9 ? PubConst.LongType.Name : PubConst.IntType.Name);
}
else
{
result.DataType = this.Context.Ado.DbBind.GetDbTypeName(propertyType.Name);
}
return(result);
}
internal void Init()
{
InsertBuilder.EntityInfo = this.EntityInfo;
Check.Exception(InsertObjs == null || InsertObjs.Count() == 0, "InsertObjs is null");
int i = 0;
foreach (var item in InsertObjs)
{
List <DbColumnInfo> insertItem = new List <DbColumnInfo>();
foreach (var column in EntityInfo.Columns)
{
var columnInfo = new DbColumnInfo()
{
Value = column.PropertyInfo.GetValue(item, null),
DbColumnName = GetDbColumnName(column.PropertyName),
PropertyName = column.PropertyName,
PropertyType = PubMethod.GetUnderType(column.PropertyInfo),
TableId = i
};
if (columnInfo.PropertyType.IsEnum())
{
columnInfo.Value = Convert.ToInt64(columnInfo.Value);
}
insertItem.Add(columnInfo);
}
this.InsertBuilder.DbColumnInfoList.AddRange(insertItem);
++i;
}
}
public static Nullable <T> GetSqliteTypeNull <T>(this IDataReader dr, int i) where T : struct
{
var type = PubMethod.GetUnderType(typeof(T));
if (dr.IsDBNull(i))
{
return(null);
}
return(SqliteTypeConvert <T>(dr, i, type));
}
protected List <T> GetValueTypeList <T>(Type type, IDataReader dataReader)
{
List <T> reval = new List <T>();
using (IDataReader re = dataReader)
{
while (re.Read())
{
var value = re.GetValue(0);
if (value == DBNull.Value)
{
reval.Add(default(T));
}
else
{
reval.Add((T)Convert.ChangeType(re.GetValue(0), PubMethod.GetUnderType(type)));
}
}
}
return(reval);
}
protected virtual bool IsSamgeType(EntityColumnInfo ec, DbColumnInfo dc)
{
if (!string.IsNullOrEmpty(ec.DataType))
{
return(ec.DataType != dc.DataType);
}
var propertyType = PubMethod.GetUnderType(ec.PropertyInfo);
var properyTypeName = string.Empty;
if (propertyType.IsEnum())
{
properyTypeName = this.Context.Ado.DbBind.GetDbTypeName(ec.Length > 9 ? PubConst.LongType.Name : PubConst.IntType.Name);
}
else
{
properyTypeName = this.Context.Ado.DbBind.GetDbTypeName(propertyType.Name);
}
var dataType = dc.DataType;
return(properyTypeName != dataType);
}
protected override DbColumnInfo EntityColumnToDbColumn(EntityInfo entityInfo, string tableName, EntityColumnInfo item)
{
var result = new DbColumnInfo()
{
DataType = this.Context.Ado.DbBind.GetDbTypeName(PubMethod.GetUnderType(item.PropertyInfo).Name),
TableId = entityInfo.Columns.IndexOf(item),
DbColumnName = item.DbColumnName.IsValuable() ? item.DbColumnName : item.PropertyName,
IsPrimarykey = item.IsPrimarykey,
IsIdentity = item.IsIdentity,
TableName = tableName,
IsNullable = item.IsNullable,
DefaultValue = item.DefaultValue,
ColumnDescription = item.ColumnDescription,
Length = item.Length
};
if (result.DataType.Equals("varchar", StringComparison.CurrentCultureIgnoreCase) && result.Length == 0)
{
result.Length = 1;
}
return(result);
}
internal void Init()
{
this.UpdateBuilder.TableName = EntityInfo.EntityName;
if (IsMappingTable)
{
var mappingInfo = this.Context.MappingTables.SingleOrDefault(it => it.EntityName == EntityInfo.EntityName);
if (mappingInfo != null)
{
this.UpdateBuilder.TableName = mappingInfo.DbTableName;
}
}
Check.Exception(UpdateObjs == null || UpdateObjs.Count() == 0, "UpdateObjs is null");
int i = 0;
foreach (var item in UpdateObjs)
{
List <DbColumnInfo> updateItem = new List <DbColumnInfo>();
foreach (var column in EntityInfo.Columns)
{
var columnInfo = new DbColumnInfo()
{
Value = column.PropertyInfo.GetValue(item, null),
DbColumnName = GetDbColumnName(column.PropertyName),
PropertyName = column.PropertyName,
PropertyType = PubMethod.GetUnderType(column.PropertyInfo),
TableId = i
};
if (columnInfo.PropertyType.IsEnum())
{
columnInfo.Value = Convert.ToInt64(columnInfo.Value);
}
updateItem.Add(columnInfo);
}
this.UpdateBuilder.DbColumnInfoList.AddRange(updateItem);
++i;
}
}
private void BindMethod(ILGenerator generator, PropertyInfo bindProperty, int ordinal)
{
IDbBind bind = Context.Ado.DbBind;
bool isNullableType = false;
MethodInfo method = null;
Type bindPropertyType = PubMethod.GetUnderType(bindProperty, ref isNullableType);
string dbTypeName = DataRecord.GetDataTypeName(ordinal);
if (Regex.IsMatch(dbTypeName, @"\(.+\)"))
{
dbTypeName = Regex.Replace(dbTypeName, @"\(.+\)", "");
}
string propertyName = bindProperty.Name;
string validPropertyName = bind.GetPropertyTypeName(dbTypeName);
validPropertyName = validPropertyName == "byte[]" ? "byteArray" : validPropertyName;
CSharpDataType validPropertyType = (CSharpDataType)Enum.Parse(typeof(CSharpDataType), validPropertyName);
#region Sqlite Logic
if (this.Context.CurrentConnectionConfig.DbType == DbType.Sqlite)
{
if (bindPropertyType.IsEnum())
{
method = isNullableType ? getConvertEnum_Null.MakeGenericMethod(bindPropertyType) : getEnum.MakeGenericMethod(bindPropertyType);
}
else if (bindPropertyType == PubConst.IntType)
{
method = isNullableType ? getConvertInt32 : getInt32;
}
else if (bindPropertyType == PubConst.StringType)
{
method = getString;
}
else if (bindPropertyType == PubConst.ByteArrayType)
{
method = getValueMethod;
generator.Emit(OpCodes.Call, method);
generator.Emit(OpCodes.Unbox_Any, bindProperty.PropertyType);
return;
}
else
{
method = isNullableType ? getSqliteTypeNull.MakeGenericMethod(bindPropertyType) : getSqliteType.MakeGenericMethod(bindPropertyType);
}
generator.Emit(OpCodes.Call, method);
return;
}
;
#endregion
#region Common Database Logic
string bindProperyTypeName = bindPropertyType.Name.ToLower();
bool isEnum = bindPropertyType.IsEnum();
if (isEnum)
{
validPropertyType = CSharpDataType.@enum;
}
switch (validPropertyType)
{
case CSharpDataType.@int:
CheckType(bind.IntThrow, bindProperyTypeName, validPropertyName, propertyName);
if (bindProperyTypeName.IsContainsIn("int", "int32"))
{
method = isNullableType ? getConvertInt32 : getInt32;
}
if (bindProperyTypeName.IsContainsIn("int64"))
{
method = isNullableType ? getConvertInt64 : getInt64;
}
if (bindProperyTypeName.IsContainsIn("byte"))
{
method = isNullableType ? getConvertByte : getByte;
}
if (bindProperyTypeName.IsContainsIn("int16"))
{
method = isNullableType ? getConvertInt16 : getInt16;
}
break;
case CSharpDataType.@bool:
if (bindProperyTypeName == "bool" || bindProperyTypeName == "boolean")
{
method = isNullableType ? getConvertBoolean : getBoolean;
}
break;
case CSharpDataType.@string:
CheckType(bind.StringThrow, bindProperyTypeName, validPropertyName, propertyName);
method = getString;
if (bindProperyTypeName == "guid")
{
method = isNullableType? getConvertStringGuid : getStringGuid;
}
break;
case CSharpDataType.DateTime:
CheckType(bind.DateThrow, bindProperyTypeName, validPropertyName, propertyName);
if (bindProperyTypeName == "datetime")
{
method = isNullableType ? getConvertDateTime : getDateTime;
}
break;
case CSharpDataType.@decimal:
CheckType(bind.DecimalThrow, bindProperyTypeName, validPropertyName, propertyName);
if (bindProperyTypeName == "decimal")
{
method = isNullableType ? getConvertDecimal : getDecimal;
}
break;
case CSharpDataType.@float:
case CSharpDataType.@double:
CheckType(bind.DoubleThrow, bindProperyTypeName, validPropertyName, propertyName);
if (bindProperyTypeName == "double")
{
method = isNullableType ? getConvertDouble : getDouble;
}
break;
case CSharpDataType.Guid:
CheckType(bind.GuidThrow, bindProperyTypeName, validPropertyName, propertyName);
if (bindProperyTypeName == "guid")
{
method = isNullableType ? getConvertStringGuid : getStringGuid;
}
break;
case CSharpDataType.@byte:
if (bindProperyTypeName == "byte")
{
method = isNullableType ? getConvertByte : getByte;
}
break;
case CSharpDataType.@enum:
method = isNullableType ? getConvertEnum_Null.MakeGenericMethod(bindPropertyType) : getEnum.MakeGenericMethod(bindPropertyType);
break;
case CSharpDataType.@short:
CheckType(bind.ShortThrow, bindProperyTypeName, validPropertyName, propertyName);
if (bindProperyTypeName == "int16" || bindProperyTypeName == "short")
{
method = isNullableType ? getConvertInt16 : getInt16;
}
break;
case CSharpDataType.@long:
if (bindProperyTypeName == "int64" || bindProperyTypeName == "long")
{
method = isNullableType ? getConvertInt64 : getInt64;
}
break;
default:
method = getValueMethod;
break;
}
if (method == null && bindPropertyType == PubConst.StringType)
{
method = getConvertString;
}
if (method == null)
{
method = isNullableType ? getOtherNull.MakeGenericMethod(bindPropertyType) : getOther.MakeGenericMethod(bindPropertyType);
}
generator.Emit(OpCodes.Call, method);
if (method == getValueMethod)
{
generator.Emit(OpCodes.Unbox_Any, bindProperty.PropertyType);
}
#endregion
}
public virtual void ExistLogic(EntityInfo entityInfo)
{
if (entityInfo.Columns.IsValuable())
{
Check.Exception(entityInfo.Columns.Where(it => it.IsPrimarykey).Count() > 1, "Use Code First ,The primary key must not exceed 1");
var tableName = GetTableName(entityInfo);
var dbColumns = this.Context.DbMaintenance.GetColumnInfosByTableName(tableName);
ConvertColumns(dbColumns);
var entityColumns = entityInfo.Columns.Where(it => it.IsIgnore == false).ToList();
var dropColumns = dbColumns
.Where(dc => !entityColumns.Any(ec => dc.DbColumnName.Equals(ec.OldDbColumnName, StringComparison.CurrentCultureIgnoreCase)))
.Where(dc => !entityColumns.Any(ec => dc.DbColumnName.Equals(ec.DbColumnName, StringComparison.CurrentCultureIgnoreCase)))
.ToList();
var addColumns = entityColumns
.Where(ec => ec.OldDbColumnName.IsNullOrEmpty() || !dbColumns.Any(dc => dc.DbColumnName.Equals(ec.OldDbColumnName, StringComparison.CurrentCultureIgnoreCase)))
.Where(ec => !dbColumns.Any(dc => ec.DbColumnName.Equals(dc.DbColumnName, StringComparison.CurrentCultureIgnoreCase))).ToList();
var alterColumns = entityColumns
.Where(ec => !dbColumns.Any(dc => dc.DbColumnName.Equals(ec.OldDbColumnName, StringComparison.CurrentCultureIgnoreCase)))
.Where(ec =>
dbColumns.Any(dc => dc.DbColumnName.Equals(ec.DbColumnName) &&
((ec.Length != dc.Length && !PubMethod.GetUnderType(ec.PropertyInfo).IsEnum() && PubMethod.GetUnderType(ec.PropertyInfo).IsIn(PubConst.StringType)) ||
ec.IsNullable != dc.IsNullable ||
IsSamgeType(ec, dc)))).ToList();
var renameColumns = entityColumns
.Where(it => !string.IsNullOrEmpty(it.OldDbColumnName))
.Where(entityColumn => dbColumns.Any(dbColumn => entityColumn.OldDbColumnName.Equals(dbColumn.DbColumnName, StringComparison.CurrentCultureIgnoreCase)))
.ToList();
var isChange = false;
foreach (var item in addColumns)
{
this.Context.DbMaintenance.AddColumn(tableName, EntityColumnToDbColumn(entityInfo, tableName, item));
isChange = true;
}
foreach (var item in dropColumns)
{
this.Context.DbMaintenance.DropColumn(tableName, item.DbColumnName);
isChange = true;
}
foreach (var item in alterColumns)
{
this.Context.DbMaintenance.UpdateColumn(tableName, EntityColumnToDbColumn(entityInfo, tableName, item));
isChange = true;
}
foreach (var item in renameColumns)
{
this.Context.DbMaintenance.RenameColumn(tableName, item.OldDbColumnName, item.DbColumnName);
isChange = true;
}
foreach (var item in entityColumns)
{
var dbColumn = dbColumns.FirstOrDefault(dc => dc.DbColumnName.Equals(item.DbColumnName, StringComparison.CurrentCultureIgnoreCase));
if (dbColumn == null)
{
continue;
}
var pkDiff = item.IsPrimarykey != dbColumn.IsPrimarykey;
var idEntityDiff = item.IsIdentity != dbColumn.IsIdentity;
if (dbColumn != null && pkDiff && !idEntityDiff)
{
var isAdd = item.IsPrimarykey;
if (isAdd)
{
this.Context.DbMaintenance.AddPrimaryKey(tableName, item.DbColumnName);
}
else
{
this.Context.DbMaintenance.DropConstraint(tableName, string.Format("PK_{0}_{1}", tableName, item.DbColumnName));
}
}
else if (pkDiff || idEntityDiff)
{
ChangeKey(entityInfo, tableName, item);
}
}
if (isChange && IsBackupTable)
{
this.Context.DbMaintenance.BackupTable(tableName, tableName + DateTime.Now.ToString("yyyyMMddHHmmss"), MaxBackupDataRows);
}
}
}
