Upgrade to version 5.2.2:

5.2.2 (10-Sep-2012)

  Bugs fixed:
  * Server disconnects on the execution of a query following execution of a SP
    returning resultset(s) and OUT parameters. (Bug# 14512187)
  * Crash while executing after binding BLOB datatype as INOUT parameter
    (Bug# 14501952)
  * SP having 2 BLOB OUT parameters crashes at execution (Bug# 14563386)
  * ASSERT for INOUT parameter of BIT(N>3) type (Bug#14560916)
  * Using ADO, driver returns wrong type and value for bit(>1) parameter
    (Bug# 14555713)
  * Blobs used in as INOUT parameters have inconsistent behaviour in ADO
    (Bug# 14580316)
  * my_isspace calls cause ODBC driver crashes (Bug# 14363601)
  * SQLNativeSql did not null-terminate output string after copying
    (Bug# 14559721)
  * Incorrect length value passed to SQLSetConnectAttr could cause
    driver crash. (Bug# 14620420)

  Built using MySQL 5.5.27.

----

5.2.1 (09-Aug-2012)

  Functionality added or changed:
  * Driver prepares statements on server
  * Support of INOUT and OUT parameters(WL#6116)
  * Increased the timeout in tests from 30 to 60 seconds to avoid failures in
    slow tests that involve catalog functions and Information_Schema queries.
  Bugs fixed:
  * Long table names crash OBDC driver. (Bug# 14085211/65200)
  * Close proximity issue when handling OS signlals in myodbc (Bug# 14303803)
  * "String data right truncated" error is not always correct (Bug# 14285620)

  Built using MySQL 5.5.27.

----

5.2.0

  Functionality added or changed:
  * Driver available in Unicode and ANSI versions(WL#5850)
  * Driver by default uses server side prepared statements
  * Connection string option NO_SSPS prevents using of server side prepared
    statements. It is configurable via GUI dialog.

  Built using MySQL 5.5.25.

----

5.1.11

  Functionality added or changed:
  * MyODBC queries log is written to %TEMP%\myodbc.sql, or to C:\myodbc.sql if
    TEMP is not defined.
  * Added pre-fetch functionality implemented through LIMIT to avoid reading the
    entire resultset for full table SELECT queries. (WL#6211)

  Bugs fixed:
  * Fractional parts of second is ignored in SQLGetData. (Bug #12767740/60646)
  * ODBC prepared statements ignore fractional part of temporal data types.
    (Bug #12767761/60648)
  * Memory leak on Windows on each connection attepmt. (Bug #11766029/59059)
  * SQLTables() function does not return the catalog correctly if the wildcard
    or SQL_ALL_CATALOGS is used. (Bug #13914518)

----

5.1.10(02-Feb-2012)

  Functionality added or changed:

  Bugs fixed:
  * In some cases TIMESTAMP field could be described as SQL_NO_NULLS.
    (Bug #13532987)
  * SQLFetch has to return error if indicator pointer is NULL for NULL value.
    (Bug #13542600)
  * A failure on one stmt causes another stmt to fail. (Bug #13097201/#62657)

  Built using MySQL 5.5.18.

----

5.1.9 (04-Oct-2011)

  Functionality added or changed:
  * Support of windows authentication.

  Bugs fixed:
  * SQLFetch() did not return SQL_ERROR if connection was dropped due to a
    timeout. (Bug #39878)
  * MS Access with VARCHAR NOT NULL columns. (Bug #31067)
  * sqlwcharchr might read one SQLWCHAR after end of string. (Bug #61586)
  * Column parameter binding makes SQLExecute not to return SQL_ERROR on
    disconnect. (Bug #59772)
  * If pre-execution failed some catalog functions called right after that
    would return only one row. (Bug #12824839)
  * MyODBC driver does not call mysql_thread_end() when the thread ends causing
    error messages such as this: Error in my_thread_global_end(): 1 threads
    didn't exit. (Bug #57727)
  * When NO_BINARY_RESULT was set driver failed to perform the expected data
    conversion. (Bug#11765110/58038)

  Built using MySQL 5.5.16.

(jnemeth)