1,虽然同样是实现了IDataReader接口,但是 对于
MySql.Data.MySqlClient.MySqlDataReader 和 System.Data.SqlClient.SqlDataReader
来说GetSchemaTable 方法的返回结果是不同的
以下是返回的datatable的结构
mysql | sqlserver |
AllowDBNull | AllowDBNull |
BaseCatalogName | BaseCatalogName |
BaseColumnName | BaseColumnName |
BaseSchemaName | BaseSchemaName |
BaseTableName | BaseServerName |
ColumnName | BaseTableName |
ColumnOrdinal | ColumnName |
ColumnSize | ColumnOrdinal |
DataType | ColumnSize |
IsAliased | DataType |
IsAutoIncrement | DataTypeName |
IsExpression | IsAliased |
IsHidden | IsAutoIncrement |
IsIdentity | IsColumnSet |
IsKey | IsExpression |
IsLong | IsHidden |
IsReadOnly | IsIdentity |
IsRowVersion | IsKey |
IsUnique | IsLong |
NumericPrecision | IsReadOnly |
NumericScale | IsRowVersion |
ProviderType | IsUnique |
NonVersionedProviderType | |
NumericPrecision | |
NumericScale | |
ProviderSpecificDataType | |
ProviderType | |
UdtAssemblyQualifiedName | |
XmlSchemaCollectionDatabase | |
XmlSchemaCollectionName | |
XmlSchemaCollectionOwningSchema |
时间: 2024-10-12 21:46:40