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EXEC_SQL.Last_Row_Count

Description

Returns the cumulative number of rows fetched.

Syntax


FUNCTION EXEC_SQL.Last_Row_Count
    [Connid     IN CONNTYPE]
RETURN PLS_INTEGER;

Parameters

Connid Is the handle to the connection you want to use. If you do not specify a connection, EXEC_SQL.Default_Connection retrieves the primary Oracle Developer connection handle from the cache.

Returns

An integer.

Usage Notes

Use this function after calling EXEC_SQL.Fetch_Rows or EXEC_SQL.Execute_And_Fetch. The function returns a zero when used after an EXEC_SQL.Execute call.

Example


PROCEDURE eslastrowcount is
  connection_id EXEC_SQL.CONNTYPE; 
  cursorID EXEC_SQL.CURSTYPE;
  sqlstr VARCHAR2(1000);
  nIgn PLS_INTEGER;
  nRows PLS_INTEGER := 0 ;
  mynum NUMBER;
BEGIN
  connection_id := EXEC_SQL.OPEN_CONNECTION('connection_str');    
  cursorID := EXEC_SQL.OPEN_CURSOR(connection_id);
  -- 
  -- in this query, we order the results explicitly 
  --
  sqlstr := 'select empno from emp order by empno';	
  EXEC_SQL.PARSE(connection_id, cursorID, sqlstr, exec_sql.V7);
  EXEC_SQL.DEFINE_COLUMN(connection_id, cursorID, 1, mynum); 
  nIgn := EXEC_SQL.EXECUTE(connection_id, cursorID);
  LOOP
    nIgn := EXEC_SQL.FETCH_ROWS(connection_id, cursorID);
    --
    -- do whatever processing is desired
    --
    IF (nIgn > 0) THEN
      EXEC_SQL.COLUMN_VALUE(connection_id, cursorID, 1, mynum);
      
      ...

    END IF;
    nRows := EXEC_SQL.LAST_ROW_COUNT(connection_id);
    --
    -- In this example, we are only interested in the first 10 rows, and exit after 
    -- fetching them
    --
    IF (nRows > 10) THEN
      EXIT;
    END IF;
  END LOOP;   
  EXEC_SQL.CLOSE_CURSOR(connection_id, cursorID);
  EXEC_SQL.CLOSE_CONNECTION(connection_id);
END;