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MySQL Connector/ODBC Release Notes
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MySQL Connector/ODBC Release Notes/改变我n MySQL Connector/ODBC Version 3.51/ Changes in MySQL Connector/ODBC 3.51.24 (2008-03-14)

改变我n MySQL Connector/ODBC 3.51.24 (2008-03-14)

Bugs Fixed

  • Security Enhancement:Accessing a parameter with the type ofSQL_C_CHAR, but with a numeric type and a length of zero, the parameter marker would get stripped from the query. In addition, an SQL injection was possible if the parameter value had a nonzero length and was not numeric, the text would be inserted verbatim. (Bug #34575)

  • Important Change:In previous versions, the SSL certificate would automatically be verified when used as part of the Connector/ODBC connection. The default mode is now to ignore the verificate of certificates. To enforce verification of the SSL certificate during connection, use theSSLVERIFYDSN parameter, setting the value to 1. (Bug #29955, Bug #34648)

  • When using ADO, the count of parameters in a query would always return zero. (Bug #33298)

  • Using tables with a single quote or other nonstandard characters in the table or column names through ODBC failed. (Bug #32989)

  • When using Crystal Reports, table and column names would be truncated to 21 characters, and truncated columns in tables where the truncated name was the duplicated would lead to only a single column being displayed. (Bug #32864)

  • SQLExtendedFetch()andSQLFetchScroll()ignored the rowset size if theDon't cache resultDSN option was set. (Bug #32420)

  • When using the ODBCSQL_TXN_READ_COMMITTEDoption, 'dirty' records would be read from tables as if the option had not been applied. (Bug #31959)

  • When creating a System DSN using the ODBC Administrator on Mac OS X, a User DSN would be created instead. The root cause is a problem with the iODBC driver manager used on OS X. The fix works around this issue.

    Note

    ODBC Administrator may still be unable to register a System DSN unless the/Library/ODBC/odbc.inifile has the correct permissions. You should ensure that the file is writable by theadmingroup.

    (Bug #31495)

  • CallingSQLFetchorSQLFetchScrollwould return negative data lengths when usingSQL_C_WCHAR. (Bug #31220)

  • SQLSetParam()caused memory allocation errors due to driver manager's mapping of deprecated functions (buffer length -1). (Bug #29871)

  • Static cursor was unable to be used through ADO when dynamic cursors were enabled. (Bug #27351)

  • Usingconnection.Executeto create a record set based on a table without declaring the cmd option asadCmdTablewill fail when communicating with versions of MySQL 5.0.37 and higher. The issue is related to the way thatSQLSTATEis returned when ADO tries to confirm the existence of the target object. (Bug #27158)

  • Updating aRecordSetwhen the query involves aBLOBfield failed. (Bug #19065)

  • With some connections to MySQL databases using Connector/ODBC, the connection would mistakenly report 'user cancelled' for accesses to the database information. (Bug #16653)