Microsoft KB Archive/140300

= FIX: SQL SELECT Returns Different Results Using the Same Data =

Article ID: 140300

Article Last Modified on 3/24/2000

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APPLIES TO


 * Microsoft Visual FoxPro 3.0 Standard Edition

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This article was previously published under Q140300



SYMPTOMS
The number of records returned from the same SQL SELECT statement on the same data is different.



STATUS
Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article. This problem was corrected in Visual FoxPro 3.0b for Windows.



Steps to Reproduce Problem
The following program displays the number of records returned from two consecutive SQL statements. Note that different numbers are returned. SET SAFETY OFF CLOSE ALL

CREATE TABLE main (num N(1), link C(50), crit C(50)) INSERT INTO main VALUES (1, "YES", "YES") INSERT INTO main VALUES (2, "NO", "YES") INSERT INTO main VALUES (3, "NO", "NO") INSERT INTO main VALUES (4, "YES", "NO")

CREATE TABLE link (link C(50)) INSERT INTO link VALUES ("YES")

CLOSE ALL CLEAR

FOR i = 1 TO 2

lcTmpFile = "tmp" + ALLTRIM(STR(i)) + ".dbf" IF FILE(lcTmpFile) ERASE (lcTmpFile) ENDIF

SELECT num, link, crit FROM main ; WHERE ((main.link IN (SELECT link.link FROM link)) OR ;           (crit = "YES")) INTO TABLE (lcTmpFile)

? _TALLY

ENDFOR

Additional query words: VFoxWin buglist3.00 fixlist3.00b

Keywords: kbbug kbfix KB140300

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