ODBC_SQLFetch

4D v16

ODBC_SQLFetch


ODBC_SQLFetch ( stmtID ) -> 戻り値

引数	型	説明
stmtID	倍長整数	Statement ID
戻り値	倍長整数	Returns the result of the MS ODBC API function SQLFetch

説明

The ODBC_SQLFetch command fetches the next rowset of data from the result set and returns data for all bound columns.

stmtID is a valid statement ID returned by ODBC_SQLAllocStmt.

For more information, please see the SQLFetch function in the MS ODBC API Reference at http://msdn.microsoft.com/en-us/library/ms712424(VS.85).aspx.

Function Results

SQL_SUCCESS, SQL_SUCCESS_WITH_INFO, SQL_NO_DATA, SQL_STILL_EXECUTING, SQL_ERROR, or SQL_INVALID_HANDLE.

The following method selects all the records from the Employee table, ccreates a bind with our data source's Employee table and its four fields specified by the ODBC_SQLPrepare and ODBC_SQLBindCol commands, and then creates one record for each row of data in the 4D table [Employees]:

 $result:=ODBC_SQLPrepare($statementID;"SELECT * FROM Employee")

 $result:=ODBC_SQLExecute($statementID)

 

 $result:=ODBC_SQLBindCol($statementID;1;->[Employees]Emp_ID)

 $result:=ODBC_SQLBindCol($statementID;2;->[Employees]Emp_Fullname)

 $result:=ODBC_SQLBindCol($statementID;3;->[Employees]Emp_HireDate)

 $result:=ODBC_SQLBindCol($statementID;4;->[Employees]Emp_CurrentEmployee)

 

 While($result#SQL_NO_DATA)

    CREATE RECORD([Employees])

    $result:=ODBC_SQLFetch($statementID)

    If($result#SQL_NO_DATA)

       SAVE RECORD([Employees])

    End if

 End while

 UNLOAD RECORD([Employees])

 

 $result:=ODBC_SQLFreeStmt($statementID;SQL_UNBIND)

参照

ODBC_SQLBindCol
ODBC_SQLFetchScroll
ODBC_SQLFreeStmt

4D v16

ODBC_SQLFetch

ODBC_SQLFetch

説明

Function Results

例題