void GetColumns(DBTable table)
{
foreach (SelectStatementResultRow row in SelectData(new Query(string.Format(CultureInfo.InvariantCulture, "show columns from `{0}`", ComposeSafeTableName(table.Name)))).Rows)
{
int size;
string rowValue1, rowValue5, rowValue0;
if (row.Values[1].GetType() == typeof(Byte[]))
{
rowValue1 = System.Text.Encoding.Default.GetString((byte[])row.Values[1]);
rowValue5 = System.Text.Encoding.Default.GetString((byte[])row.Values[5]);
rowValue0 = System.Text.Encoding.Default.GetString((byte[])row.Values[0]);
}
else
{
rowValue1 = (string)row.Values[1];
rowValue5 = (string)row.Values[5];
rowValue0 = (string)row.Values[0];
}
DBColumnType type = GetTypeFromString(rowValue1, out size);
bool isAutoIncrement = false;
string extraValue = rowValue5;
if (!string.IsNullOrEmpty(extraValue) && extraValue.Contains("auto_increment"))
{
isAutoIncrement = true;
}
var column = new DBColumn(rowValue0, false, String.Empty, type == DBColumnType.String ? size : 0, type)
{
IsIdentity = isAutoIncrement
};
table.AddColumn(column);
}
}
static Type PropertyType(Type propertyType, DBColumnType dbColumnType)
{
var type = dbColumnType.GetType(propertyType);
Guard.ArgumentNotNull(dbColumnType, dbColumnType.ToString());
return(propertyType == type ? propertyType : type);
}
public InputMemberInfo(XPClassInfo owner, string propertyName, DBColumnType dbColumnType, Type propertyType, bool nonPersistent, XPMemberInfo outputMemberInfo, params Attribute[] attributes)
: base(owner, propertyName, PropertyType(propertyType, dbColumnType), null, nonPersistent, false)
{
Guard.ArgumentNotNull(outputMemberInfo, "outputMemberInfo");
_outputMemberInfo = outputMemberInfo;
_conversionType = propertyType;
AddAttributes(attributes);
_importValueConverterAttribute = FindAttributeInfo(typeof(ImportValueConverterAttribute)) as ImportValueConverterAttribute;
}
void CreateCoreMember(string name, Type owner, DBColumnType dataType, params PersistentAttributeInfo[] persistentAttributeInfos) {
var extendedCoreTypeMemberInfo = new ExtendedCoreTypeMemberInfo(Session) { Name = name, Owner = owner, DataType = dataType };
if (persistentAttributeInfos != null)
foreach (var persistentAttributeInfo in persistentAttributeInfos) {
extendedCoreTypeMemberInfo.TypeAttributes.Add(persistentAttributeInfo);
}
extendedCoreTypeMemberInfo.Save();
return;
}
public static Type GetType(this DBColumnType dbColumnType, Type propertyType)
{
Type underlyingNullableType = Nullable.GetUnderlyingType(propertyType);
if ((((underlyingNullableType != null && underlyingNullableType == typeof(TimeSpan) || propertyType == typeof(TimeSpan))) && dbColumnType == DBColumnType.Double))
{
return(propertyType);
}
if (dbColumnType == DBColumnType.ByteArray)
{
return(typeof(byte[]));
}
return(Type.GetType(string.Format("System.{0}", dbColumnType)));
}
void GetColumns(DBTable table)
{
string schema = ComposeSafeSchemaName(table.Name);
Query query = schema == string.Empty ? new Query("select COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH from INFORMATION_SCHEMA.COLUMNS where TABLE_NAME = @p1",
new QueryParameterCollection(new OperandValue(ComposeSafeTableName(table.Name))), new[] { "@p1" })
: new Query("select COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH from INFORMATION_SCHEMA.COLUMNS where TABLE_NAME = @p1 and TABLE_SCHEMA = @p2",
new QueryParameterCollection(new OperandValue(ComposeSafeTableName(table.Name)), new OperandValue(schema)), new[] { "@p1", "@p2" });
foreach (SelectStatementResultRow row in SelectData(query).Rows)
{
int size = row.Values[2] != DBNull.Value ? ((IConvertible)row.Values[2]).ToInt32(CultureInfo.InvariantCulture) : 0;
DBColumnType type = GetTypeFromString((string)row.Values[1], size);
table.AddColumn(new DBColumn((string)row.Values[0], false, String.Empty, type == DBColumnType.String ? size : 0, type));
}
}
void GetColumns(DBTable table) {
string schema = ComposeSafeSchemaName(table.Name);
string safeTableName = ComposeSafeTableName(table.Name);
Query query = schema == string.Empty ? new Query("SELECT COLUMN_NAME, DATA_TYPE, CHAR_COL_DECL_LENGTH, DATA_PRECISION, DATA_SCALE from USER_TAB_COLUMNS where TABLE_NAME = :p0",
new QueryParameterCollection(new OperandValue(safeTableName)), new[] { ":p0" })
: new Query("SELECT COLUMN_NAME, DATA_TYPE, CHAR_COL_DECL_LENGTH, DATA_PRECISION, DATA_SCALE from ALL_TAB_COLUMNS where OWNER = :p0 and TABLE_NAME = :p1",
new QueryParameterCollection(new OperandValue(schema), new OperandValue(safeTableName)), new[] { ":p0", ":p1" });
foreach (SelectStatementResultRow row in SelectData(query).Rows) {
int size = row.Values[2] != DBNull.Value ? ((IConvertible)row.Values[2]).ToInt32(CultureInfo.InvariantCulture) : 0;
int precision = row.Values[3] != DBNull.Value ? ((IConvertible)row.Values[3]).ToInt32(CultureInfo.InvariantCulture) : 0;
int scale = row.Values[4] != DBNull.Value ? ((IConvertible)row.Values[4]).ToInt32(CultureInfo.InvariantCulture) : 0;
DBColumnType type = GetTypeFromString((string)row.Values[1], size, precision, scale);
table.AddColumn(new DBColumn((string)row.Values[0], false, String.Empty, type == DBColumnType.String ? size : 0, type));
}
}
void CreateCoreMember(string name, Type owner, DBColumnType dataType, params PersistentAttributeInfo[] persistentAttributeInfos)
{
var extendedCoreTypeMemberInfo = ObjectSpace.CreateObject <ExtendedCoreTypeMemberInfo>();
extendedCoreTypeMemberInfo.Name = name;
extendedCoreTypeMemberInfo.Owner = owner;
extendedCoreTypeMemberInfo.DataType = dataType;
if (persistentAttributeInfos != null)
{
foreach (var persistentAttributeInfo in persistentAttributeInfos)
{
extendedCoreTypeMemberInfo.TypeAttributes.Add(persistentAttributeInfo);
}
}
extendedCoreTypeMemberInfo.Save();
}
private ModificationStatement CreateStatement(XPClassInfo classInfo, object key, DateTime?timestamp, int gcRecord)
{
var propertyIndex = 0;
if (classInfo == null)
{
throw new ArgumentNullException(nameof(classInfo));
}
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
DBColumnType keyType = classInfo.Table.GetColumn(classInfo.Table.PrimaryKey.Columns[0]).ColumnType;
BinaryOperator critera = new BinaryOperator(new QueryOperand(classInfo.KeyProperty.MappingField, null, keyType), new ParameterValue(propertyIndex++)
{
Value = key
}, BinaryOperatorType.Equal);
UpdateStatement stm = new UpdateStatement(classInfo.Table, "TheTable")
{
Condition = critera
};
stm.Operands.Add(new QueryOperand(GCRecordField.StaticName, "N" + propertyIndex++, DBColumnType.Int32));
if (timestamp != null)
{
stm.Operands.Add(new QueryOperand("TimestampColumnName", "N" + propertyIndex++, DBColumnType.DateTime));
}
stm.Parameters.Add(new ParameterValue(propertyIndex++)
{
Value = gcRecord
});
if (timestamp != null)
{
stm.Parameters.Add(new ParameterValue(propertyIndex++)
{
Value = timestamp
});
}
Debug.WriteLine(stm);
return(stm);
}
void CreateCoreMember(string name, Type owner, DBColumnType dataType, params PersistentAttributeInfo[] persistentAttributeInfos)
{
var extendedCoreTypeMemberInfo = new ExtendedCoreTypeMemberInfo(Session)
{
Name = name, Owner = owner, DataType = dataType
};
if (persistentAttributeInfos != null)
{
foreach (var persistentAttributeInfo in persistentAttributeInfos)
{
extendedCoreTypeMemberInfo.TypeAttributes.Add(persistentAttributeInfo);
}
}
extendedCoreTypeMemberInfo.Save();
return;
}
public void CreateSimpleMembers(DBColumnType xpoDataType, Func <IPersistentClassInfo, IEnumerable <string> > func)
{
foreach (var persistentClassInfo in _persistentClassInfos)
{
IEnumerable <string> invoke = func.Invoke(persistentClassInfo);
if (invoke != null)
{
foreach (string name in invoke)
{
var persistentCoreTypeMemberInfo = (IPersistentCoreTypeMemberInfo)_objectSpace.CreateObject(WCTypesInfo.Instance.FindBussinessObjectType <IPersistentCoreTypeMemberInfo>());
persistentCoreTypeMemberInfo.Name = name;
persistentClassInfo.OwnMembers.Add(persistentCoreTypeMemberInfo);
persistentCoreTypeMemberInfo.DataType = xpoDataType;
persistentCoreTypeMemberInfo.SetDefaultTemplate(TemplateType.XPReadWritePropertyMember);
}
}
}
}
private ModificationStatement CreateStatement(XPClassInfo classInfo, object key, Dictionary <string, object> values)
{
if (classInfo == null)
{
throw new ArgumentNullException(nameof(classInfo));
}
var PropertyIndex = 0;
DBColumnType keyType = classInfo.Table.GetColumn(classInfo.Table.PrimaryKey.Columns[0]).ColumnType;
BinaryOperator critera = new BinaryOperator(new QueryOperand(classInfo.KeyProperty.MappingField, null, keyType), new ParameterValue(PropertyIndex)
{
Value = key
}, BinaryOperatorType.Equal);
UpdateStatement stm = new UpdateStatement(classInfo.Table, "TheTable")
{
Condition = critera
};
foreach (var item in values)
{
DBColumnType mappingFieldDBType = classInfo.GetPersistentMember(item.Key).MappingFieldDBType;
stm.Operands.Add(new QueryOperand(item.Key, "N" + PropertyIndex, mappingFieldDBType));
stm.Parameters.Add(new ParameterValue(PropertyIndex)
{
Value = item.Value, DBType = mappingFieldDBType
});
PropertyIndex++;
}
Debug.WriteLine(stm.ToString());
//stm.Operands.Add(new QueryOperand(GCRecordField.StaticName, null, DBColumnType.Int32));
//if (timestamp != null)
// stm.Operands.Add(new QueryOperand(TimestampColumnName, null, DBColumnType.DateTime));
//stm.Parameters.Add(new ParameterValue(propertyIndex++) { Value = gcRecord });
//if (timestamp != null)
// stm.Parameters.Add(new ParameterValue(propertyIndex++) { Value = timestamp });
return(stm);
}
private SqlDbType GetSqlDBTypeFromColumnType(DBColumnType ColumnType)
{
switch (ColumnType)
{
case DBColumnType.Integer: return(SqlDbType.Int);
case DBColumnType.VarChar: return(SqlDbType.VarChar);
case DBColumnType.Char: return(SqlDbType.Char);
case DBColumnType.Binary: return(SqlDbType.Binary);
case DBColumnType.Decimal: return(SqlDbType.Decimal);
case DBColumnType.Float: return(SqlDbType.Float);
case DBColumnType.Text: return(SqlDbType.Text);
case DBColumnType.DateTime: return(SqlDbType.DateTime);
case DBColumnType.Bit: return(SqlDbType.Bit);
case DBColumnType.SmallDateTime: return(SqlDbType.SmallDateTime);
case DBColumnType.Money: return(SqlDbType.Money);
case DBColumnType.SmallInt: return(SqlDbType.SmallInt);
case DBColumnType.Numeric: return(SqlDbType.Decimal);
case DBColumnType.UniqueIdentifier: return(SqlDbType.UniqueIdentifier);
case DBColumnType.BigInt: return(SqlDbType.BigInt);
case DBColumnType.TinyInt: return(SqlDbType.TinyInt);
case DBColumnType.NVarchar: return(SqlDbType.NVarChar);
case DBColumnType.TimeStamp: return(SqlDbType.Timestamp);
default: throw new Exception("Tipo de dados não suportado " + ColumnType.ToString());
}
}
public static XPClassInfo AddClass(XPDictionary dict, DBTable table)
{
if (table.PrimaryKey.Columns.Count > 1)
{
throw new NotSupportedException("Compound primary keys are not supported");
}
XPClassInfo classInfo = dict.CreateClass(dict.GetClassInfo(typeof(BasePersistentClass)), table.Name.Replace('.', '_'));
classInfo.AddAttribute(new PersistentAttribute(table.Name));
DBColumnType primaryColumnType = table.GetColumn(table.PrimaryKey.Columns[0]).ColumnType;
classInfo.CreateMember(table.PrimaryKey.Columns[0], DBColumn.GetType(primaryColumnType),
new KeyAttribute(IsAutoGenerationSupported(primaryColumnType)));
foreach (DBColumn col in table.Columns)
{
if (!col.IsKey && col.ColumnType != DBColumnType.Unknown)
{
classInfo.CreateMember(col.Name, DBColumn.GetType(col.ColumnType));
}
}
return(classInfo);
}
public InputMemberInfo(XPClassInfo owner, string propertyName, DBColumnType dbColumnType, Type propertyType, bool nonPersistent, XPMemberInfo outputMemberInfo, params Attribute[] attributes)
: base(owner, propertyName, PropertyType(propertyType, dbColumnType), null, nonPersistent, false) {
Guard.ArgumentNotNull(outputMemberInfo, "outputMemberInfo");
_outputMemberInfo = outputMemberInfo;
_conversionType = propertyType;
AddAttributes(attributes);
}
static bool IsAutoGenerationSupported(DBColumnType type)
{
return(type == DBColumnType.Guid || type == DBColumnType.Int16 || type == DBColumnType.Int32);
}
static Type PropertyType(Type propertyType, DBColumnType dbColumnType) {
var type = dbColumnType.GetType(propertyType);
Guard.ArgumentNotNull(dbColumnType, dbColumnType.ToString());
return propertyType == type ? propertyType : type;
}
public ColumnInfo(string name, DBColumnType columnType)
{
Name = name;
ColumnType = columnType;
}
static string GetCorePropertyTypeCode(IPersistentMemberInfo persistentMemberInfo)
{
DBColumnType dbColumnType = ((IPersistentCoreTypeMemberInfo)persistentMemberInfo).DataType;
switch (dbColumnType)
{
case DBColumnType.Boolean:
return("bool");
case DBColumnType.Byte:
return("byte");
case DBColumnType.SByte:
return("sbyte");
case DBColumnType.Char:
return("char");
case DBColumnType.Decimal:
return("decimal");
case DBColumnType.Single:
return("float");
case DBColumnType.Double:
return("double");
case DBColumnType.Int32:
return("int");
case DBColumnType.UInt32:
return("uint");
case DBColumnType.Int16:
return("short");
case DBColumnType.UInt16:
return("ushort");
case DBColumnType.Int64:
return("long");
case DBColumnType.UInt64:
return("ulong");
case DBColumnType.String:
return("string");
case DBColumnType.DateTime:
return("DateTime");
case DBColumnType.Guid:
return("Guid");
case DBColumnType.TimeSpan:
return("TimeSpan");
case DBColumnType.ByteArray:
return("byte[]");
default:
return(dbColumnType.ToString());
}
}
/// <summary>
/// 注意，使用了反射以后，name和type理应不需要从attribute传进来才对，
/// 构造函数里面只需要传进“额外”的信息，比如主键、外键这些。
/// 后面FKClass这些信息用
/// [FKColumn("deptId", DBType.String, false, true, FKClass = "com.SLS_Survey.Model.T_Dept", FKTable = "T_Dept", FKColumn = "id", FKText = "name")]
/// 这种方式写入
/// </summary>
public DBColumn(DBColumnType dbColumnType, String FKTable = null, String FKText = null)
{
this.dbColumnType = dbColumnType;
this.FKTable = FKTable;
this.FKText = FKText;
}
public ColumnMetadata(string columnName, DBColumnType columnType, string stringFileName)
{
ColumnName = columnName;
ColumnType = columnType;
StringFileName = stringFileName;
}
public ColumnMetadata(string columnName, DBColumnType columnType)
{
ColumnName = columnName;
ColumnType = columnType;
}
public QueryOperand(string fColumnName, DBColumnType fColumnType, string fNodeAlias)
{
ColumnName = fColumnName;
ColumnType = fColumnType;
NodeAlias = fNodeAlias;
}
static Type PropertyType(Type propertyType, DBColumnType dbColumnType) {
var type = GetType(dbColumnType, propertyType);
Guard.ArgumentNotNull(dbColumnType, dbColumnType.ToString());
if (propertyType == type)
return propertyType;
return type;
}
public static IPersistentCoreTypeMemberInfo CreateSimpleMember(this IPersistentClassInfo classInfo, DBColumnType dataType, string name)
{
var memberInfo = classInfo.CreateMember <IPersistentCoreTypeMemberInfo>(name);
memberInfo.DataType = dataType;
return(memberInfo);
}
static Type GetType(DBColumnType dbColumnType, Type propertyType) {
Type underlyingNullableType = Nullable.GetUnderlyingType(propertyType);
if ((((underlyingNullableType != null && underlyingNullableType == typeof(TimeSpan) || propertyType == typeof(TimeSpan))) && dbColumnType == DBColumnType.Double))
return propertyType;
if (dbColumnType == DBColumnType.ByteArray)
return typeof(byte[]);
return Type.GetType(string.Format("System.{0}", dbColumnType));
}
public ColumnInfo(string name, DBColumnType columnType) {
Name = name;
ColumnType = columnType;
}
