SQLGetDiagField/SQLGetDiagRec SQLCancel SQLCancelHandle(含陳述式控制代碼) SQLFreeStmt(含 Option = SQL_CLOSE、SQL_DROP 或 SQL_UNBIND) SQLCloseCursor SQLDisconnect SQLFreeHandle(含 HandleType = SQL_HANDLE_STMT) SQLGetStmtAttr 應用程式仍然可以使用SQLSetDescField或SQLSetDescRec設定繫結資訊。 ...
(DM) TheTargetTypeargument was SQL_ARD_TYPE, and the value in the SQL_DESC_COUNT field of the ARD was less than theCol_or_Param_Numargument. 08S01Communication link failureThe communication link between the driver and the data source to which the driver was connected failed before the functio...
如果 TargetType 是SQL_ARD_TYPE,則數據會根據SQL_DESC_CONCISE_TYPE欄位中的數據類型,在 ARD 的SQL_DESC_DATETIME_INTERVAL_PRECISION、SQL_DESC_PRECISION和SQL_DESC_SCALE欄位中提供有效位數和小數位數。 如果有任何預設有效位數或小數位數不合適,應用程式應該藉由呼叫 SQLSetDescField 或SQLSetDescRec 明確設定適當...
SQL_C_TYPE_TIMESTAMP_EXT SQL_C_TINYINT SQL_C_UBIGINT SQL_C_UTINYINT SQL_C_WCHAR Specifying SQL_ARD_TYPE results in the data being converted to the data type specified in the SQL_DESC_CONCISE_TYPE field of the ARD. Specifying SQL_C_DEFAULT results in the data being converted to its...
DataType getDataType() Gets the DataType that is associated with this SQLDataType. java.lang.String getSQLText() Gets the SQL statement that is associated with this SQLDataType. java.lang.Object visit(SyntaxObjectVisitor visitor, java.lang.Object context) Calls the appropriate method of a...
如果TargetType是 SQL_ARD_TYPE、 数据中提供了精度和小数位数 SQL_DESC_DATETIME_INTERVAL_PRECISION,SQL_DESC_PRECISION,和 ARD,具体取决于数据的 SQL_DESC_SCALE 字段键入 SQL_DESC_CONCISE类型 (_t) 字段。如果任何默认精度或小数位数不适当,应用程序显式应通过调用设置适当的描述符字段SQLSetDescField或SQLSet...
Assembly: System.Data.SqlClient.dll Package: System.Data.SqlClient v4.9.0 Source: System.Data.SqlClient.notsupported.cs Asynchronously gets the value of the specified column as a type. GetFieldValue<T>(Int32) is the synchronous version of this method. C# Copy public override System.Thr...
GetValue( 0 ).GetType() ); } this prints System.Array System.String[] The issue I was hoping/expecting that NpgsqlDataReader.GetFieldType would return the generic array type (e.g. string[]) for PostgreSQL arrays. Not doing so causes problem when used with Dapper, as it calls Get...
DescriptorHandleが IRD ハンドルであり、ステートメントが準備済みまたは実行済みの状態にあるが、開いているカーソルが関連付けられていない場合は、SQL_NO_DATAが返されます。 診断 SQLGetDescFieldがSQL_ERRORまたはSQL_SUCCESS_WITH_INFOを返す場合、関連付けられている SQLSTATE 値を取得する...
Table 1. SQLGetDescField arguments Table 2. fDescType descriptor types Usage The number of records in the descriptor corresponds to the number of columns in the result set, if the descriptor is row descriptor, or the number of parameters, for a parameter descriptor. ...