The last row found is the result of the SQL statement. This description refers to the logic and not the flow of the statement. If abs_x is larger than the number of rows in the result table, the message 100 - Row not found is output. POS Regardless of whether an ORDER clause is ...
當SQLFetch 傳回SQL_ERROR或SQL_SUCCESS_WITH_INFO時,可以使用SQL_HANDLE_STMT的 HandleType 和 StatementHandle 的HandleType 呼叫SQLGetDiagRec 函式來取得相關聯的 SQLSTATE 值。 下表列出 SQLFetch 通常傳回的SQLSTATE 值,並說明此函式內容中的每個值;表示法 “(DM)” 在驅動程式管理員傳回的 SQLSTATE 描述...
SQL_SUCCESS、SQL_SUCCESS_WITH_INFO、SQL_NO_DATA、SQL_STILL_EXECUTING、SQL_ERROR或SQL_INVALID_HANDLE。 诊断 当SQLFetch返回SQL_ERROR或SQL_SUCCESS_WITH_INFO时,可以通过使用 handleTypeof SQL_HANDLE_STMT 和StatementHandle句柄调用SQLGetDiagRec 函数来获取关联的 SQLSTATE 值。 下表列出了 SQLFetch通常返回的...
PL/SQL makes sure the return type of a cursor variable is compatible with theINTOclause of theFETCHstatement. For each column value returned by the query associated with the cursor variable, there must be a corresponding, type-compatible field or variable in theINTOclause. Also, the number of...
SQL USEAdventureWorks2022; GO-- Execute the SELECT statement alone to show the-- full result set that is used by the cursor.SELECTLastName, FirstNameFROMPerson.PersonORDERBYLastName, FirstName;-- Declare the cursor.DECLAREcontact_cursorSCROLLCURSORFORSELECTLastName, FirstNameFROMPerson.PersonORDERBY...
The SQL_ATTR_ROW_ARRAY_SIZE statement attribute specifies the number of rows in the rowset. If the rowset being fetched bySQLFetch()overlaps the end of the result set,SQLFetch()returns a partial rowset. That is, if S + R-1 is greater than L, where S is the starting row of the ...
SQLFetch() sets values in the row status array in the same manner as SQLFetchScroll() and SQLBulkOperations(). The row status array is used to return the status of each row in the rowset. The address of this array is specified with the SQL_ATTR_ROW_STATUS_PTR statement attribute. Row...
If a row exists, the fetched columns are stored in the named variables. The number of columns retrieved by the SELECT statement must match the number of output variables specified in the FETCH statement. If no more rows are available, a No Data condition occurs with SQLSTATE value '02000'...
The number of columns retrieved by the SELECT statement must match the number of output variables specified in the FETCH statement. If no more rows are available, a No Data condition occurs with SQLSTATE value '02000'. To detect this condition, you can set up a handler for it (or for ...
FirstName OPEN contact_cursor -- Perform the first fetch and store the values in variables. -- Note: The variables are in the same order as the columns -- in the SELECT statement. FETCH NEXT FROM contact_cursor INTO @LastName, @FirstName -- Check @@FETCH_STATUS to see if there are ...