Commit 8ae87f8c authored by monty@hundin.mysql.fi's avatar monty@hundin.mysql.fi
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Merge work:/home/bk/mysql-4.0 into hundin.mysql.fi:/my/bk/mysql-4.0

parents df953e6d fdb25346

Docs/manual.texi

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@@ -29836,6 +29836,32 @@ mysql> select 1 IS NOT NULL, 0 IS NOT NULL, NULL IS NOT NULL; 
        -> 1 1 0

@end example













@cindex ODBC compatibility













@cindex compatibility, with ODBC













To be able to work good with other programs, MySQL supports the following













extra features when using @code{IS NULL}:

























@itemize @bullet













@item













You can find the last inserted row with:

























@example













SELECT * FROM tbl_name WHERE auto_col IS NULL













@end example

























This can be disabled by setting @code{SQL_AUTO_IS_NULL=0}. @xref{SET OPTION}.













@item













For @code{NOT NULL} @code{DATE} and @code{DATETIME} columns you can find













the special date @code{0000-00-00} by using:

























@example













SELECT * FROM tbl_name WHERE date_column IS NULL













@end example

























This is needed to get some ODBC applications to work (as ODBC doesn't













support a @code{0000-00-00} date)













@end itemize



























@findex BETWEEN ... AND















@item expr BETWEEN min AND max















If @code{expr} is greater than or equal to @code{min} and @code{expr} is










@@ -48435,8 +48461,8 @@ Fixed bug in multi table delete.













@item















Fixed bug in @code{SELECT CONCAT(argument-list) ... GROUP BY 1}.















@item













@code{SELECT ... INSERT} did a full rollback in case of an error. Fixed













so that we only roll back the last statement.













@code{INSERT ... SELECT} did a full rollback in case of an error. Fixed













so that we only roll back the last statement in the current transaction.















@item















Fixed bug with empty expression for boolean fulltext search.















@item

























myisam/myisamchk.c



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−0






























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@@ -575,9 +575,13 @@ get_one_option(int optid,













    break;















  case '#':















    if (argument && *argument == '0')













    {















      DBUG_POP();













    }















    else













    {















      DBUG_PUSH(argument ? argument : "d:t:o,/tmp/myisamchk.trace");













    }















    break;















  case 'V':















    print_version();

































sql/mysqld.cc



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−1






























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@@ -3068,7 +3068,7 @@ struct show_var_st init_vars[]= {













  {"log_update",              (char*) &opt_update_log,              SHOW_BOOL},















  {"log_bin",                 (char*) &opt_bin_log,                 SHOW_BOOL},















  {"log_slave_updates",       (char*) &opt_log_slave_updates,       SHOW_BOOL},













  {"log_long_queries",        (char*) &opt_slow_log,                SHOW_BOOL},













  {"log_slow_queries",        (char*) &opt_slow_log,                SHOW_BOOL},















  {"long_query_time",         (char*) &long_query_time,             SHOW_LONG},















  {"low_priority_updates",    (char*) &low_priority_updates,        SHOW_BOOL},















  {"lower_case_table_names",  (char*) &lower_case_table_names,      SHOW_LONG},

































sql/sql_base.cc



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−5




























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