Commit fdb25346 authored by monty@hundin.mysql.fi's avatar monty@hundin.mysql.fi
Browse files

Cleanup

parent d3cfc86a
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+28 −2
Original line number Diff line number Diff line
@@ -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
+4 −0
Original line number Diff line number Diff line
@@ -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();
+1 −1
Original line number Diff line number Diff line
@@ -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},
+5 −5

File changed.

Contains only whitespace changes.