merge

Docs/manual.texi:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
mysql-test/t/bdb.test:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged

Docs/manual.texi

@@ -992,6 +992,7 @@ Changes in release 4.0.x (Development; Alpha)
 
 Changes in release 3.23.x  (Stable)
 
+* News-3.23.40::                Changes in release 3.23.40
 * News-3.23.39::                Changes in release 3.23.39
 * News-3.23.38::                Changes in release 3.23.38
 * News-3.23.37::                Changes in release 3.23.37
@@ -3581,7 +3582,7 @@ Note that older versions of @strong{MySQL} are still using a more
 @uref{http://www.mysql.com/support/arrangements/mypl.html, strict license}. 
 See the documentation for that version for more information. If you need a 
 commercial @strong{MySQL} license, because the GPL license doesn't suit your
-application, you can buy one at @uref{https://order.mysql.com/license.htmy}.
+application, you can buy one at @uref{https://order.mysql.com/}.
 
 For normal internal use, @strong{MySQL} costs nothing.  You do not have
 to pay us if you do not want to.
@@ -3646,7 +3647,7 @@ contact us.  @xref{Contact information}.
 
 If you require a @strong{MySQL} license, the easiest way to pay for it
 is to use the license form on @strong{MySQL}'s secure server at
-@uref{https://order.mysql.com/license.htmy}.  Other forms of payment are
+@uref{https://order.mysql.com/}.  Other forms of payment are
 discussed in @ref{Payment information}.
 
 @cindex copyrights
@@ -3923,7 +3924,7 @@ BOX 6434, Torsgatan 21
 @end example
 
 If you want to pay by credit card over the Internet, you can use
-@uref{https://order.mysql.com/license.htmy, MySQL AB's secure license form}.
+@uref{https://order.mysql.com/, MySQL AB's secure license form}.
 
 You can also print a copy of the license form, fill it in, and send it by fax
 to:
@@ -7553,6 +7554,40 @@ relative to the root of @code{glibc} Note that @strong{MySQL} will not be
 stable with around 600-1000 connections if @code{STACK_SIZE} is the default 
 of 2 MB.
 
+If you have a problem with that @strong{MySQL} can't open enough files,
+or connections, it may be that you haven't configured Linux to handle
+enough files.
+
+In Linux 2.2 and forwards, you can check the number of allocated
+file handlers by doing:
+
+@example
+cat /proc/sys/fs/file-max
+cat /proc/sys/fs/dquot-max 
+cat /proc/sys/fs/super-max
+@end example
+
+If you have more than 16M of memory, you should add something like the
+following in your boot script (@file{/etc/rc/boot.local} on SuSE):
+
+@example
+echo 65536 > /proc/sys/fs/file-max
+echo 8192 > /proc/sys/fs/dquot-max
+echo 1024 > /proc/sys/fs/super-max
+@end example
+
+You can also run the above from the command line as root, but in this case
+your old limits will be used next time your computer reboots.
+
+You should also add /etc/my.cnf:
+
+@example
+[safe_mysqld]
+open_files_limit=8192
+@end example
+
+The above should allow @strong{MySQL} to create up to 8192 connections + files.
+
 The @code{STACK_SIZE} constant in LinuxThreads controls the spacing of thread
 stacks in the address space.  It needs to be large enough so that there will
 be plenty of room for the stack of each individual thread, but small enough
@@ -9576,11 +9611,8 @@ and are configured with the following compilers and options:
 @item SunOS 4.1.4 2 sun4c with @code{gcc} 2.7.2.1
 @code{CC=gcc CXX=gcc CXXFLAGS="-O3 -felide-constructors" ./configure --prefix=/usr/local/mysql --disable-shared --with-extra-charsets=complex --enable-assembler}
 
-@item SunOS 5.5.1 sun4u with @code{egcs} 1.0.3a
-@code{CC=gcc CFLAGS="-O3" CXX=gcc CXXFLAGS="-O3 -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --with-low-memory --with-extra-charsets=complex}
-
-@item SunOS 5.6 sun4u with @code{egcs} 2.90.27
-@code{CC=gcc CFLAGS="-O3" CXX=gcc CXXFLAGS="-O3 -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --with-low-memory --with-extra-charsets=complex}
+@item SunOS 5.5.1 (and above) sun4u with @code{egcs} 1.0.3a or 2.90.27 or gcc 2.95.2 and newer
+@code{CC=gcc CFLAGS="-O3" CXX=gcc CXXFLAGS="-O3 -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --with-low-memory --with-extra-charsets=complex --enable-assembler}
 
 @item SunOS 5.6 i86pc with @code{gcc} 2.8.1
 @code{CC=gcc CXX=gcc CXXFLAGS=-O3 ./configure --prefix=/usr/local/mysql --with-low-memory --with-extra-charsets=complex}
@@ -10501,6 +10533,9 @@ Run @code{mysqld} daemon as user @code{user_name}.  This option is
 @item -V, --version
 Output version information and exit.
 
+@item -W, --warnings
+Print out warnings like @code{Aborted connection...} to the @code{.err} file.
+@xref{Communication errors}.
 @end table
 
 @cindex default options
@@ -19410,9 +19445,6 @@ INDEX} are @strong{MySQL} extensions to ANSI SQL92.
 @item
 @code{MODIFY} is an Oracle extension to @code{ALTER TABLE}.
 
-@item
-@code{TRUNCATE} is an Oracle extension. @xref{TRUNCATE}.
-
 @item
 The optional word @code{COLUMN} is a pure noise word and can be omitted.
 
@@ -19474,8 +19506,7 @@ a table row. The default is to add the column last.
 or removes the old default value.
 If the old default is removed and the column can be @code{NULL}, the new
 default is @code{NULL}. If the column cannot be @code{NULL}, @strong{MySQL}
-assigns a default value.
-Default value assignment is described in
+assigns a default value, as described in
 @ref{CREATE TABLE, , @code{CREATE TABLE}}.
 
 @findex DROP INDEX
@@ -19488,6 +19519,10 @@ If columns are dropped from a table, the columns are also removed from any
 index of which they are a part.  If all columns that make up an index are
 dropped, the index is dropped as well.
 
+@item
+If a table contains only one column, the column cannot be dropped.
+If what you intend is to remove the table, use @code{DROP TABLE} instead.
+
 @findex DROP PRIMARY KEY
 @item
 @code{DROP PRIMARY KEY} drops the primary index. If no such
@@ -19805,6 +19840,8 @@ minimum needed to restore it. Currenlty only works for @code{MyISAM}
 tables. For @code{MyISAM} table, copies @code{.frm} (definition)  and
 @code{.MYD} (data) files. The index file can be rebuilt from those two.
 
+Before using this command, please see @xref{Backup}.
+
 During the backup, read lock will be held for each table, one at time,
 as they are being backed up. If you want to backup several tables as
 a snapshot, you must first issue @code{LOCK TABLES} obtaining a read
@@ -20013,6 +20050,8 @@ valid, the table can be re-created this way, even if the data or index
 files have become corrupted.
 @end itemize
 
+@code{TRUNCATE} is an Oracle SQL extension.
+
 @findex SELECT
 @node SELECT, JOIN, TRUNCATE, Reference
 @section @code{SELECT} Syntax
@@ -20768,6 +20807,13 @@ In other words, you can't access the values of the old row from a
 @code{REPLACE} statement.  In some old @strong{MySQL} version it looked
 like you could do this, but that was a bug that has been corrected.
 
+When one uses a @code{REPLACE} command, @code{mysql_affected_rows()}
+will return 2 if the new row replaced and old row.  This is because in
+this case one row was inserted and then the duplicate was deleted.
+
+The above makes it easy to check if @code{REPLACE} added or replaced a
+row.
+
 @findex LOAD DATA INFILE
 @node LOAD DATA, UPDATE, REPLACE, Reference
 @section @code{LOAD DATA INFILE} Syntax
@@ -22784,8 +22830,6 @@ This statement is provided for Oracle compatibility.
 The @code{SHOW} statement provides similar information.
 @xref{SHOW, , @code{SHOW}}.
 
-
-
 @findex BEGIN
 @findex COMMIT
 @findex ROLLBACK
@@ -25683,6 +25727,11 @@ InnoDB has been designed for maximum performance when processing
 large data volumes. Its CPU efficiency is probably not
 matched by any other disk-based relational database engine.
 
+You can find the latest information about InnoDB at
+@uref{http://www.innodb.com}. The most up-to-date version of the
+InnoDB manual is always placed there, and you can also order commercial
+support for InnoDB.
+
 Technically, InnoDB is a database backend placed under @strong{MySQL}. InnoDB
 has its own buffer pool for caching data and indexes in main
 memory. InnoDB stores its tables and indexes in a tablespace, which
@@ -25833,7 +25882,7 @@ than InnoDB in the same transaction, then a deadlock may arise which
 InnoDB cannot notice. In cases like this the timeout is useful to
 resolve the situation.
 @item @code{innodb_flush_method} @tab
-(Available from 3.23.39 up.)
+(Available from 3.23.40 up.)
 The default value for this is @code{fdatasync}.
 Another option is @code{O_DSYNC}.
 Options @code{littlesync} and @code{nosync} have the
@@ -26908,11 +26957,11 @@ the maximum size for a table. The minimum tablespace size is 10 MB.
 @node InnoDB contact information,  , InnoDB restrictions, InnoDB
 @subsection InnoDB contact information
 
-Contact information of Innobase Oy, producer of the InnoDB engine:
+Contact information of Innobase Oy, producer of the InnoDB engine.
+Website: @uref{http://www.innodb.com}. Email:
+@email{Heikki.Tuuri@@innodb.com}
 
 @example
-Website: www.innodb.com
-Heikki.Tuuri@@innodb.com
 phone: 358-9-6969 3250 (office) 358-40-5617367 (mobile)
 InnoDB Oy Inc.
 World Trade Center Helsinki
@@ -38245,6 +38294,9 @@ option.
 @node Communication errors, Full table, Packet too large, Common errors
 @subsection Communication Errors / Aborted Connection
 
+Starting with @code{MySQL 3.23.40} you only get the @code{Aborted
+connection} error of you start @code{mysqld} with @code{--warnings}.
+
 If you find errors like the following in your error log.
 
 @example
@@ -38769,6 +38821,8 @@ shell> perror 23
 File table overflow
 shell> perror 24
 Too many open files
+shell> perror 11
+Resource temporarily unavailable
 @end example
 
 The problem here is that @code{mysqld} is trying to keep open too many
@@ -39286,8 +39340,8 @@ database directory.  The @code{FLUSH TABLE} is needed to ensure that
 the all active index pages is written to disk before you start the backup.
 
 If you want to make a SQL level backup of a table, you can use
-@code{SELECT INTO OUTFILE} or @code{BACKUP
-TABLE}. @xref{SELECT}. @xref{BACKUP TABLE}.
+@code{SELECT INTO OUTFILE} or @code{BACKUP TABLE}. @xref{SELECT}.
+@xref{BACKUP TABLE}.
 
 Another way to back up a database is to use the @code{mysqldump} program or
 the @code{mysqlhotcopy script}. @xref{mysqldump, , @code{mysqldump}}.
@@ -41816,7 +41870,7 @@ specified explicitly.
 @item
 The @code{passwd} parameter contains the password for @code{user}.  If
 @code{passwd} is @code{NULL}, only entries in the @code{user} table for the
-user that have a blank password field will be checked for a match. This
+user that have a blank (empty) password field will be checked for a match. This
 allows the database administrator to set up the @strong{MySQL} privilege
 system in such a way that users get different privileges depending on whether
 or not they have specified a password.
@@ -41849,7 +41903,7 @@ of the following flags in very special circumstances:
 @code{mysqld} to be more ODBC-friendly.
 @item @code{CLIENT_COMPRESS}   @tab Use compression protocol.
 @item @code{CLIENT_FOUND_ROWS} @tab Return the number of found (matched) rows, not the number of affected rows.
-@item @code{CLIENT_IGNORE_SPACE} $tab Allow spaces after function names. Makes all functions names reserved words.
+@item @code{CLIENT_IGNORE_SPACE} @tab Allow spaces after function names. Makes all functions names reserved words.
 @item @code{CLIENT_INTERACTIVE} @tab Allow @code{interactive_timeout} seconds (instead of @code{wait_timeout} seconds) of inactivity before closing the connection.
 @item @code{CLIENT_NO_SCHEMA}  @tab Don't allow the @code{db_name.tbl_name.col_name} syntax.  This is for ODBC. It causes the parser to generate an error if you use that syntax, which is useful for trapping bugs in some ODBC programs.
 @item @code{CLIENT_ODBC}       @tab The client is an ODBC client. This changes
@@ -46335,6 +46389,16 @@ Added @code{HANDLER} command.
 Added support for symbolic links to @code{MyISAM} tables. Symlink handling is
 now enabled by default for Windows.
 @item
+@code{LOAD DATA FROM MASTER} "auto-magically" sets up a slave.
+@item
+A new @code{HANDLER} interface to @code{MyISAM} tables.
+@item
+@code{COUNT(DISTINCT)} is about 30% faster.
+@item
+Creating full text indexes are now much faster.
+@item
+Searching on packed (@code{CHAR}/@code{VARCHAR}) keys are now much faster.
+@item
 Added @code{SQL_CALC_FOUND_ROWS} and @code{FOUND_ROWS()}. This makes it
 possible to know how many rows a query would have returned
 without a @code{LIMIT} clause.
@@ -46395,6 +46459,7 @@ users use this code as the rest of the code and because of this we are
 not yet 100% confident in this code.
 
 @menu
+* News-3.23.40::                Changes in release 3.23.40
 * News-3.23.39::                Changes in release 3.23.39
 * News-3.23.38::                Changes in release 3.23.38
 * News-3.23.37::                Changes in release 3.23.37
@@ -46438,17 +46503,40 @@ not yet 100% confident in this code.
 * News-3.23.0::                 Changes in release 3.23.0
 @end menu
 
-@node News-3.23.39, News-3.23.38, News-3.23.x, News-3.23.x
+@node News-3.23.40, News-3.23.39, News-3.23.x, News-3.23.x
+@appendixsubsec Changes in release 3.23.40
+@itemize @bullet
+@item
+Added option @code{--warnings} to @code{mysqld}. Now @code{mysqld}
+only prints the error @code{Aborted connection} if this option is used.
+@item
+Fixed problem with @code{SHOW CREATE TABLE} when you didn't have a
+@code{PRIMARY KEY}.
+@item
+Fixed properly the rename of @code{innodb_unix_file_flush_method} to
+@code{innodb_flush_method}.
+@item
+Fixed bug when converting @code{UNSIGNED BIGINT} to @code{DOUBLE}. This caused
+a problem when doing comparisons with @code{BIGINT}'s outside of the
+signed range.
+@item
+Fixed bug in @code{BDB} tables when querying empty tables.
+@item
+Fixed a bug when using @code{COUNT(DISTINCT)} with @code{LEFT JOIN} and
+there wasn't any matching rows.
+@end itemize
+
+@node News-3.23.39, News-3.23.38, News-3.23.40, News-3.23.x
 @appendixsubsec Changes in release 3.23.39
 @itemize @bullet
 @item
-If one dropped and added an @code{AUTO_INCREMENT} column, the
-@code{AUTO_INCREMENT} sequence wasn't reset.
+The @code{AUTO_INCREMENT} sequence wasn't reset when dropping
+and adding an @code{AUTO_INCREMENT} column.
 @item
-@code{CREATE .. SELECT} now creates not unique indexes delayed.
+@code{CREATE ... SELECT} now creates non-unique indexes delayed.
 @item
 Fixed problem where @code{LOCK TABLES table_name READ} followed by
-@code{FLUSH TABLES} put a exclusive lock on the table.
+@code{FLUSH TABLES} put an exclusive lock on the table.
 @item
 @code{REAL} @@variables with was represented with 2 digits when
 converted to strings.
@@ -46460,8 +46548,8 @@ that only had the open count wrong.
 @item
 Added functions to handle symbolic links to make life easier in 4.0.
 @item
-We are now using the @code{-lcma} thread library on HP-UX 10.20 to
-get @strong{MySQL} more stable on HP-UX.
+We are now using the @code{-lcma} thread library on HP-UX 10.20 so
+that @strong{MySQL} will be more stable on HP-UX.
 @item
 Fixed problem with @code{IF()} and number of decimals in the result.
 @item

client/mysqlcheck.c

@@ -16,7 +16,7 @@
 
 /* By Jani Tolonen, 2001-04-20, MySQL Development Team */
 
-#define CHECK_VERSION "1.01"
+#define CHECK_VERSION "1.02"
 
 #include <global.h>
 #include <my_sys.h>
@@ -503,25 +503,24 @@ static int use_db(char *database)
 
 static int handle_request_for_tables(char *tables, uint length)
 {
-  char *query, *end, options[100];
+  char *query, *end, options[100], message[100];
   const char *op = 0;
 
   options[0] = 0;
+  end = options;
   switch (what_to_do) {
   case DO_CHECK:
     op = "CHECK";
-    end = options;
-    if (opt_quick)              end = strmov(end, "QUICK");
-    if (opt_fast)               end = strmov(end, "FAST");
-    if (opt_medium_check)       end = strmov(end, "MEDIUM"); /* Default */
-    if (opt_extended)           end = strmov(end, "EXTENDED");
-    if (opt_check_only_changed) end = strmov(end, "CHANGED");
+    if (opt_quick)              end = strmov(end, " QUICK");
+    if (opt_fast)               end = strmov(end, " FAST");
+    if (opt_medium_check)       end = strmov(end, " MEDIUM"); /* Default */
+    if (opt_extended)           end = strmov(end, " EXTENDED");
+    if (opt_check_only_changed) end = strmov(end, " CHANGED");
     break;
   case DO_REPAIR:
     op = "REPAIR";
-    end = options;
-    if (opt_quick)              end = strmov(end, "QUICK");
-    if (opt_extended)           end = strmov(end, "EXTENDED");
+    if (opt_quick)              end = strmov(end, " QUICK");
+    if (opt_extended)           end = strmov(end, " EXTENDED");
     break;
   case DO_ANALYZE:
     op = "ANALYZE";
@@ -533,11 +532,11 @@ static int handle_request_for_tables(char *tables, uint length)
 
   if (!(query =(char *) my_malloc((sizeof(char)*(length+110)), MYF(MY_WME))))
     return 1;
-  sprintf(query, "%s TABLE %s %s", op, options, tables);
+  sprintf(query, "%s TABLE %s %s", op, tables, options);
   if (mysql_query(sock, query))
   {
-    sprintf(options, "when executing '%s TABLE'", op);
-    DBerror(sock, options);
+    sprintf(message, "when executing '%s TABLE ... %s", op, options);
+    DBerror(sock, message);
     return 1;
   }
   print_result();
@@ -551,23 +550,34 @@ static void print_result()
   MYSQL_RES *res;
   MYSQL_ROW row;
   char prev[NAME_LEN*2+2];
-  int i;
+  uint i;
+  my_bool found_error=0;
 
   res = mysql_use_result(sock);
   prev[0] = '\0';
   for (i = 0; (row = mysql_fetch_row(res)); i++)
   {
     int changed = strcmp(prev, row[0]);
-    int status = !strcmp(row[2], "status");
-    if (opt_silent && status)
+    my_bool status = !strcmp(row[2], "status");
+
+    if (status)
+    {
+      if (found_error)
+      {
+	if (what_to_do != DO_REPAIR && opt_auto_repair &&
+	    (!opt_fast || strcmp(row[3],"OK")))
+	  insert_dynamic(&tables4repair, row[0]);
+      }
+      found_error=0;
+      if (opt_silent)
 	continue;
+    }
     if (status && changed)
       printf("%-50s %s", row[0], row[3]);
     else if (!status && changed)
     {
       printf("%s\n%-9s: %s", row[0], row[2], row[3]);
-      if (what_to_do != DO_REPAIR && opt_auto_repair)
-	insert_dynamic(&tables4repair, row[0]);
+      found_error=1;
     }
     else
       printf("%-9s: %s", row[2], row[3]);

innobase/row/row0mysql.c

@@ -24,6 +24,7 @@ Created 9/17/2000 Heikki Tuuri
 #include "trx0roll.h"
 #include "trx0purge.h"
 #include "lock0lock.h"
+#include "rem0cmp.h"
 
 /***********************************************************************
 Reads a MySQL format variable-length field (like VARCHAR) length and

mysql-test/r/bdb.result

@@ -509,3 +509,5 @@ id	id3
 1	1
 2	2
 100	2
+KINMU_DATE
+KINMU_DATE

mysql-test/r/bigint.result

@@ -5,5 +5,11 @@
 +9999999999999999999	-9999999999999999999
 10000000000000000000	-10000000000000000000
 a
+18446744073709551614
 18446744073709551615
+a
+18446744073709551615
+a
 18446744073709551615
+a
+18446744073709551614

mysql-test/r/count_distinct.result

@@ -7,3 +7,5 @@ isbn	city	libname	a
 isbn	city	libname	a
 007	Berkeley	Berkeley Public1	2
 000	New York	New York Public Libra	2
+f1	count(distinct t2.f2)	count(distinct 1,NULL)
+1	0	0

mysql-test/r/show_check.result

@@ -80,3 +80,13 @@ t1	CREATE TABLE `t1` (
   `test_set` set('val1','val2','val3') NOT NULL default '',
   `name` char(20) default 'O''Brien'
 ) TYPE=MyISAM COMMENT='it''s a table'
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) NOT NULL default '0',
+  UNIQUE KEY `aa` (`a`)
+) TYPE=MyISAM
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) NOT NULL default '0',
+  PRIMARY KEY  (`a`)
+) TYPE=MyISAM

mysql-test/t/bdb.test

@@ -705,3 +705,13 @@ commit;
 select id,id3 from t1;
 UNLOCK TABLES;
 DROP TABLE t1;
+
+#
+# Test with empty tables (crashed with lock error)
+#
+
+CREATE TABLE t1 (SYAIN_NO char(5) NOT NULL default '', KINMU_DATE char(6) NOT NULL default '', PRIMARY KEY  (SYAIN_NO,KINMU_DATE)) TYPE=BerkeleyDB;
+CREATE TABLE t2 ( SYAIN_NO char(5) NOT NULL default '',STR_DATE char(8) NOT NULL default '',PRIMARY KEY  (SYAIN_NO,STR_DATE) ) TYPE=BerkeleyDB;
+select T1.KINMU_DATE from t1 T1 ,t2 T2 where  T1.SYAIN_NO = '12345' and T1.KINMU_DATE = '200106' and T2.SYAIN_NO = T1.SYAIN_NO;
+select T1.KINMU_DATE from t1 T1 ,t2 T2 where  T1.SYAIN_NO = '12345' and T1.KINMU_DATE = '200106' and T2.SYAIN_NO = T1.SYAIN_NO;
+DROP TABLE t1,t2;

mysql-test/t/bigint.test

@@ -6,7 +6,11 @@ select 9223372036854775807,-009223372036854775808;
 select +9999999999999999999,-9999999999999999999;
 
 drop table if exists t1;
-create table t1 (a bigint unsigned);
-insert into t1 values (18446744073709551615), (0xFFFFFFFFFFFFFFFF);
+create table t1 (a bigint unsigned not null, primary key(a));
+insert into t1 values (18446744073709551615), (0xFFFFFFFFFFFFFFFE);
+select * from t1;
+select * from t1 where a=18446744073709551615;
+select * from t1 where a='18446744073709551615';
+delete from t1 where a=18446744073709551615;
 select * from t1;
 drop table t1;

mysql-test/t/count_distinct.test

@@ -32,3 +32,13 @@ insert into t1 values ('NYC Lib','New York');
 select t2.isbn,city,t1.libname,count(t1.libname) as a from t3 left join t1 on t3.libname=t1.libname left join t2 on t3.isbn=t2.isbn group by city,t1.libname;
 select t2.isbn,city,t1.libname,count(distinct t1.libname) as a from t3 left join t1 on t3.libname=t1.libname left join t2 on t3.isbn=t2.isbn group by city having count(distinct t1.libname) > 1;
 drop table t1, t2, t3;
+
+#
+# Problem with LEFT JOIN
+#
+
+create table t1 (f1 int);
+insert into t1 values (1);
+create table t2 (f1 int,f2 int);
+select t1.f1,count(distinct t2.f2),count(distinct 1,NULL) from t1 left join t2 on t1.f1=t2.f1 group by t1.f1;
+drop table t1,t2;

mysql-test/t/show_check.test

@@ -65,3 +65,10 @@ create table t1 (
   ) comment = 'it\'s a table' ;
 show create table t1 ;
 drop table t1;
+
+create table t1 (a int not null, unique aa (a));
+show create table t1;
+drop table t1;
+create table t1 (a int not null, primary key (a));
+show create table t1;
+drop table t1;

sql-bench/Comments/postgres.benchmark

@@ -11,24 +11,26 @@
 # Another time vacuum() filled our system disk with had 6G free
 # while vaccuming a table of 60 M.
 #
-# We have sent a mail about this to the PostgreSQL mailing list, so
-# the PostgreSQL developers should be aware of these problems and should
-# hopefully fix this soon.
-#
 # WARNING
 
 # The test was run on a Intel Xeon 2x 550 Mzh machine with 1G memory,
-# 9G hard disk.  The OS is Suse 7.1, with Linux 2.4.0 compiled with SMP
+# 9G hard disk.  The OS is Suse 7.1, with Linux 2.4.2 compiled with SMP
 # support
 # Both the perl client and the database server is run
 # on the same machine. No other cpu intensive process was used during
 # the benchmark.
+#
+# During the test we run PostgreSQL with -o -F, not async mode (not ACID safe)
+# because when we started postmaster without -o -F, PostgreSQL log files
+# filled up a 9G disk until postmaster crashed.
+# We did however notice that with -o -F, PostgreSQL was a magnitude slower
+# than when not using -o -F.
 
-# First, install postgresql-7.1.1.tar.gz
+#
+# First, install postgresql-7.1.2.tar.gz
 
 # Adding the following lines to your ~/.bash_profile or
 # corresponding file. If you are using csh, use ´setenv´.
-#
 
 export POSTGRES_INCLUDE=/usr/local/pg/include
 export POSTGRES_LIB=/usr/local/pg/lib
@@ -62,7 +64,7 @@ su - postgres
 exit
 
 #
-# Second, install packages DBD-Pg-1.00.tar.gz and DBI-1.14.tar.gz,
+# Second, install packages DBD-Pg-1.00.tar.gz and DBI-1.18.tar.gz,
 # available from http://www.perl.com/CPAN/
 
 export POSTGRES_LIB=/usr/local/pg/lib/
@@ -82,6 +84,7 @@ run-all-tests --comment="Intel Xeon, 2x550 Mhz, 512M, pg started with -o -F" --u
 
 # When running with --fast we run the following vacuum commands on
 # the database between each major update of the tables:
+# vacuum anlyze table
 # vacuum table
 # or
 # vacuum analyze

sql-bench/Results/ATIS-mysql-Linux_2.4.0_64GB_SMP_i686-cmp-mysql,pg

-Testing server 'MySQL 3.23.39' at 2001-06-05 19:26:17
-
-ATIS table test
-
-Creating tables
-Time for create_table (28):  0 wallclock secs ( 0.01 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.01 CPU)
-
-Inserting data
-Time to insert (9768):  3 wallclock secs ( 0.45 usr  0.44 sys +  0.00 cusr  0.00 csys =  0.89 CPU)
-
-Retrieving data
-Time for select_simple_join (500):  3 wallclock secs ( 0.68 usr  0.19 sys +  0.00 cusr  0.00 csys =  0.87 CPU)
-Time for select_join (100):  3 wallclock secs ( 0.51 usr  0.20 sys +  0.00 cusr  0.00 csys =  0.71 CPU)
-Time for select_key_prefix_join (100): 13 wallclock secs ( 4.08 usr  2.01 sys +  0.00 cusr  0.00 csys =  6.09 CPU)
-Time for select_distinct (800): 15 wallclock secs ( 1.75 usr  0.69 sys +  0.00 cusr  0.00 csys =  2.44 CPU)
-Time for select_group (2600): 20 wallclock secs ( 1.57 usr  0.41 sys +  0.00 cusr  0.00 csys =  1.98 CPU)
-
-Removing tables
-Time to drop_table (28):  0 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-Total time: 57 wallclock secs ( 9.06 usr  3.94 sys +  0.00 cusr  0.00 csys = 13.00 CPU)

sql-bench/Results/RUN-mysql-Linux_2.4.0_64GB_SMP_i686-cmp-mysql,pg

-Benchmark DBD suite: 2.12
-Date of test:        2001-06-05 19:27:31
-Running tests on:    Linux 2.4.0-64GB-SMP i686
-Arguments:           
-Comments:            Intel Xeon, 2x550 Mhz, 512M, key_buffer=16M
-Limits from:         mysql,pg
-Server version:      MySQL 3.23.39
-
-ATIS: Total time: 57 wallclock secs ( 9.06 usr  3.94 sys +  0.00 cusr  0.00 csys = 13.00 CPU)
-alter-table: Total time: 271 wallclock secs ( 0.18 usr  0.02 sys +  0.00 cusr  0.00 csys =  0.20 CPU)
-big-tables: Total time: 33 wallclock secs ( 9.40 usr  7.64 sys +  0.00 cusr  0.00 csys = 17.04 CPU)
-connect: Total time: 86 wallclock secs (33.98 usr 18.10 sys +  0.00 cusr  0.00 csys = 52.08 CPU)
-create: Total time: 103 wallclock secs ( 7.83 usr  3.60 sys +  0.00 cusr  0.00 csys = 11.43 CPU)
-insert: Total time: 2736 wallclock secs (661.21 usr 182.47 sys +  0.00 cusr  0.00 csys = 843.68 CPU)
-select: Total time: 1949 wallclock secs (70.03 usr 16.42 sys +  0.00 cusr  0.00 csys = 86.45 CPU)
-wisconsin: Total time: 19 wallclock secs ( 3.92 usr  1.70 sys +  0.00 cusr  0.00 csys =  5.62 CPU)
-
-All 8 test executed successfully
-
-Totals per operation:
-Operation             seconds     usr     sys     cpu   tests
-alter_table_add                      261.00    0.13    0.02    0.15     992 
-connect                               16.00    6.84    2.50    9.34   10000 
-connect+select_1_row                  15.00    7.11    3.70   10.81   10000 
-connect+select_simple                 13.00    6.70    3.21    9.91   10000 
-count                                 45.00    0.01    0.00    0.01     100 
-count_distinct                        60.00    0.42    0.08    0.50    1000 
-count_distinct_2                      63.00    0.18    0.03    0.21    1000 
-count_distinct_big                   165.00    7.78    3.16   10.94     120 
-count_distinct_group                 194.00    1.21    0.37    1.58    1000 
-count_distinct_group_on_key           59.00    0.51    0.07    0.58    1000 
-count_distinct_group_on_key_parts    194.00    1.12    0.46    1.58    1000 
-count_distinct_key_prefix             51.00    0.45    0.08    0.53    1000 
-count_group_on_key_parts              58.00    1.16    0.35    1.51    1000 
-count_on_key                         586.00   16.61    2.71   19.32   50100 
-create+drop                           33.00    2.94    0.82    3.76   10000 
-create_MANY_tables                    18.00    1.02    0.62    1.64    5000 
-create_index                           5.00    0.00    0.00    0.00       8 
-create_key+drop                       41.00    3.05    0.66    3.71   10000 
-create_table                           0.00    0.01    0.00    0.01      31 
-delete_all                            17.00    0.00    0.00    0.00      12 
-delete_all_many_keys                  75.00    0.03    0.00    0.03       1 
-delete_big                             1.00    0.00    0.00    0.00       1 
-delete_big_many_keys                  75.00    0.03    0.00    0.03     128 
-delete_key                             4.00    0.76    0.29    1.05   10000 
-drop_index                             5.00    0.00    0.00    0.00       8 
-drop_table                             0.00    0.00    0.00    0.00      28 
-drop_table_when_MANY_tables            6.00    0.37    0.63    1.00    5000 
-insert                               144.00   24.06   14.28   38.34  350768 
-insert_duplicates                     31.00    5.06    3.72    8.78  100000 
-insert_key                           137.00    9.91    6.26   16.17  100000 
-insert_many_fields                    10.00    0.54    0.08    0.62    2000 
-insert_select_1_key                    7.00    0.00    0.00    0.00       1 
-insert_select_2_keys                   9.00    0.00    0.00    0.00       1 
-min_max                               30.00    0.04    0.01    0.05      60 
-min_max_on_key                       230.00   28.28    4.43   32.71   85000 
-order_by_big                          78.00   22.39    9.83   32.22      10 
-order_by_big_key                      33.00   23.35   10.15   33.50      10 
-order_by_big_key2                     32.00   22.53    9.81   32.34      10 
-order_by_big_key_desc                 36.00   23.47   10.27   33.74      10 
-order_by_big_key_diff                 74.00   22.66    9.76   32.42      10 
-order_by_big_key_prefix               33.00   22.18    9.81   31.99      10 
-order_by_key2_diff                     9.00    1.30    0.85    2.15     500 
-order_by_key_prefix                    4.00    0.97    0.57    1.54     500 
-order_by_range                         8.00    1.26    0.49    1.75     500 
-outer_join                           110.00    0.00    0.00    0.00      10 
-outer_join_found                     107.00    0.00    0.00    0.00      10 
-outer_join_not_found                  59.00    0.00    0.00    0.00     500 
-outer_join_on_key                     60.00    0.00    0.00    0.00      10 
-select_1_row                           3.00    0.81    0.69    1.50   10000 
-select_2_rows                          3.00    0.67    0.63    1.30   10000 
-select_big                            63.00   32.72   16.55   49.27   10080 
-select_column+column                   4.00    0.52    0.46    0.98   10000 
-select_diff_key                      193.00    0.32    0.04    0.36     500 
-select_distinct                       15.00    1.75    0.69    2.44     800 
-select_group                          75.00    1.59    0.45    2.04    2711 
-select_group_when_MANY_tables          5.00    0.43    0.87    1.30    5000 
-select_join                            3.00    0.51    0.20    0.71     100 
-select_key                           132.00   53.98   10.53   64.51  200000 
-select_key2                          139.00   78.61   11.08   89.69  200000 
-select_key2_return_key               131.00   64.58    9.61   74.19  200000 
-select_key2_return_prim              134.00   72.33   11.34   83.67  200000 
-select_key_prefix                    141.00   86.32   12.05   98.37  200000 
-select_key_prefix_join                13.00    4.08    2.01    6.09     100 
-select_key_return_key                125.00   59.92   12.00   71.92  200000 
-select_many_fields                    23.00    8.85    7.55   16.40    2000 
-select_query_cache                   120.00    3.67    0.53    4.20   10000 
-select_query_cache2                  120.00    3.80    0.57    4.37   10000 
-select_range                         201.00    9.05    3.95   13.00     410 
-select_range_key2                     21.00    7.15    1.40    8.55   25010 
-select_range_prefix                   22.00    6.55    1.40    7.95   25010 
-select_simple                          2.00    0.54    0.49    1.03   10000 
-select_simple_join                     3.00    0.68    0.19    0.87     500 
-update_big                            64.00    0.00    0.00    0.00      10 
-update_of_key                         25.00    2.62    1.44    4.06   50000 
-update_of_key_big                     35.00    0.05    0.04    0.09     501 
-update_of_primary_key_many_keys       47.00    0.01    0.02    0.03     256 
-update_with_key                      119.00   18.44   12.64   31.08  300000 
-update_with_key_prefix                36.00    6.23    3.85   10.08  100000 
-wisc_benchmark                         5.00    2.33    0.52    2.85     114 
-TOTALS                              5323.00  795.55  233.87 1029.42 2551551 

sql-bench/Results/alter-table-mysql-Linux_2.4.0_64GB_SMP_i686-cmp-mysql,pg

-Testing server 'MySQL 3.23.39' at 2001-06-05 13:47:22
-
-Testing of ALTER TABLE
-Testing with 1000 columns and 1000 rows in 20 steps
-Insert data into the table
-Time for insert (1000) 0 wallclock secs ( 0.05 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.05 CPU)
-
-Time for alter_table_add (992): 261 wallclock secs ( 0.13 usr  0.02 sys +  0.00 cusr  0.00 csys =  0.15 CPU)
-
-Time for create_index (8):  5 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-
-Time for drop_index (8):  5 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-
-Total time: 271 wallclock secs ( 0.18 usr  0.02 sys +  0.00 cusr  0.00 csys =  0.20 CPU)

sql-bench/Results/big-tables-mysql-Linux_2.4.0_64GB_SMP_i686-cmp-mysql,pg

-Testing server 'MySQL 3.23.39' at 2001-06-05 13:51:53
-
-Testing of some unusual tables
-All tests are done 1000 times with 1000 fields
-
-Testing table with 1000 fields
-Testing select * from table with 1 record
-Time to select_many_fields(1000): 10 wallclock secs ( 4.43 usr  4.17 sys +  0.00 cusr  0.00 csys =  8.60 CPU)
-
-Testing select all_fields from table with 1 record
-Time to select_many_fields(1000): 13 wallclock secs ( 4.42 usr  3.38 sys +  0.00 cusr  0.00 csys =  7.80 CPU)
-
-Testing insert VALUES()
-Time to insert_many_fields(1000):  3 wallclock secs ( 0.46 usr  0.03 sys +  0.00 cusr  0.00 csys =  0.49 CPU)
-
-Testing insert (all_fields) VALUES()
-Time to insert_many_fields(1000):  7 wallclock secs ( 0.08 usr  0.05 sys +  0.00 cusr  0.00 csys =  0.13 CPU)
-
-Total time: 33 wallclock secs ( 9.40 usr  7.64 sys +  0.00 cusr  0.00 csys = 17.04 CPU)

sql-bench/Results/connect-mysql-Linux_2.4.0_64GB_SMP_i686-cmp-mysql,pg

-Testing server 'MySQL 3.23.39' at 2001-06-05 13:52:26
-
-Testing the speed of connecting to the server and sending of data
-All tests are done 10000 times
-
-Testing connection/disconnect
-Time to connect (10000): 16 wallclock secs ( 6.84 usr  2.50 sys +  0.00 cusr  0.00 csys =  9.34 CPU)
-
-Test connect/simple select/disconnect
-Time for connect+select_simple (10000): 13 wallclock secs ( 6.70 usr  3.21 sys +  0.00 cusr  0.00 csys =  9.91 CPU)
-
-Test simple select
-Time for select_simple (10000):  2 wallclock secs ( 0.54 usr  0.49 sys +  0.00 cusr  0.00 csys =  1.03 CPU)
-
-Testing connect/select 1 row from table/disconnect
-Time to connect+select_1_row (10000): 15 wallclock secs ( 7.11 usr  3.70 sys +  0.00 cusr  0.00 csys = 10.81 CPU)
-
-Testing select 1 row from table
-Time to select_1_row (10000):  3 wallclock secs ( 0.81 usr  0.69 sys +  0.00 cusr  0.00 csys =  1.50 CPU)
-
-Testing select 2 rows from table
-Time to select_2_rows (10000):  3 wallclock secs ( 0.67 usr  0.63 sys +  0.00 cusr  0.00 csys =  1.30 CPU)
-
-Test select with aritmetic (+)
-Time for select_column+column (10000):  4 wallclock secs ( 0.52 usr  0.46 sys +  0.00 cusr  0.00 csys =  0.98 CPU)
-
-Testing retrieval of big records (65000 bytes)
-Time to select_big (10000): 30 wallclock secs (10.79 usr  6.41 sys +  0.00 cusr  0.00 csys = 17.20 CPU)
-
-Total time: 86 wallclock secs (33.98 usr 18.10 sys +  0.00 cusr  0.00 csys = 52.08 CPU)

sql-bench/Results/create-mysql-Linux_2.4.0_64GB_SMP_i686-cmp-mysql,pg

-Testing server 'MySQL 3.23.39' at 2001-06-05 13:53:52
-
-Testing the speed of creating and droping tables
-Testing with 5000 tables and 10000 loop count
-
-Testing create of tables
-Time for create_MANY_tables (5000): 18 wallclock secs ( 1.02 usr  0.62 sys +  0.00 cusr  0.00 csys =  1.64 CPU)
-
-Accessing tables
-Time to select_group_when_MANY_tables (5000):  5 wallclock secs ( 0.43 usr  0.87 sys +  0.00 cusr  0.00 csys =  1.30 CPU)
-
-Testing drop
-Time for drop_table_when_MANY_tables (5000):  6 wallclock secs ( 0.37 usr  0.63 sys +  0.00 cusr  0.00 csys =  1.00 CPU)
-
-Testing create+drop
-Time for create+drop (10000): 33 wallclock secs ( 2.94 usr  0.82 sys +  0.00 cusr  0.00 csys =  3.76 CPU)
-Time for create_key+drop (10000): 41 wallclock secs ( 3.05 usr  0.66 sys +  0.00 cusr  0.00 csys =  3.71 CPU)
-Total time: 103 wallclock secs ( 7.83 usr  3.60 sys +  0.00 cusr  0.00 csys = 11.43 CPU)

sql-bench/Results/insert-mysql-Linux_2.4.0_64GB_SMP_i686-cmp-mysql,pg

-Testing server 'MySQL 3.23.39' at 2001-06-05 13:55:36
-
-Testing the speed of inserting data into 1 table and do some selects on it.
-The tests are done with a table that has 100000 rows.
-
-Generating random keys
-Creating tables
-Inserting 100000 rows in order
-Inserting 100000 rows in reverse order
-Inserting 100000 rows in random order
-Time for insert (300000): 123 wallclock secs (21.22 usr 12.32 sys +  0.00 cusr  0.00 csys = 33.54 CPU)
-
-Testing insert of duplicates
-Time for insert_duplicates (100000): 31 wallclock secs ( 5.06 usr  3.72 sys +  0.00 cusr  0.00 csys =  8.78 CPU)
-
-Retrieving data from the table
-Time for select_big (10:3000000): 32 wallclock secs (21.78 usr 10.07 sys +  0.00 cusr  0.00 csys = 31.85 CPU)
-Time for order_by_big_key (10:3000000): 33 wallclock secs (23.35 usr 10.15 sys +  0.00 cusr  0.00 csys = 33.50 CPU)
-Time for order_by_big_key_desc (10:3000000): 36 wallclock secs (23.47 usr 10.27 sys +  0.00 cusr  0.00 csys = 33.74 CPU)
-Time for order_by_big_key_prefix (10:3000000): 33 wallclock secs (22.18 usr  9.81 sys +  0.00 cusr  0.00 csys = 31.99 CPU)
-Time for order_by_big_key2 (10:3000000): 32 wallclock secs (22.53 usr  9.81 sys +  0.00 cusr  0.00 csys = 32.34 CPU)
-Time for order_by_big_key_diff (10:3000000): 74 wallclock secs (22.66 usr  9.76 sys +  0.00 cusr  0.00 csys = 32.42 CPU)
-Time for order_by_big (10:3000000): 78 wallclock secs (22.39 usr  9.83 sys +  0.00 cusr  0.00 csys = 32.22 CPU)
-Time for order_by_range (500:125750):  8 wallclock secs ( 1.26 usr  0.49 sys +  0.00 cusr  0.00 csys =  1.75 CPU)
-Time for order_by_key_prefix (500:125750):  4 wallclock secs ( 0.97 usr  0.57 sys +  0.00 cusr  0.00 csys =  1.54 CPU)
-Time for order_by_key2_diff (500:250500):  9 wallclock secs ( 1.30 usr  0.85 sys +  0.00 cusr  0.00 csys =  2.15 CPU)
-Time for select_diff_key (500:1000): 193 wallclock secs ( 0.32 usr  0.04 sys +  0.00 cusr  0.00 csys =  0.36 CPU)
-Time for select_range_prefix (5010:42084): 13 wallclock secs ( 2.55 usr  0.51 sys +  0.00 cusr  0.00 csys =  3.06 CPU)
-Time for select_range_key2 (5010:42084): 12 wallclock secs ( 2.81 usr  0.68 sys +  0.00 cusr  0.00 csys =  3.49 CPU)
-Time for select_key_prefix (200000): 141 wallclock secs (86.32 usr 12.05 sys +  0.00 cusr  0.00 csys = 98.37 CPU)
-Time for select_key (200000): 132 wallclock secs (53.98 usr 10.53 sys +  0.00 cusr  0.00 csys = 64.51 CPU)
-Time for select_key_return_key (200000): 125 wallclock secs (59.92 usr 12.00 sys +  0.00 cusr  0.00 csys = 71.92 CPU)
-Time for select_key2 (200000): 139 wallclock secs (78.61 usr 11.08 sys +  0.00 cusr  0.00 csys = 89.69 CPU)
-Time for select_key2_return_key (200000): 131 wallclock secs (64.58 usr  9.61 sys +  0.00 cusr  0.00 csys = 74.19 CPU)
-Time for select_key2_return_prim (200000): 134 wallclock secs (72.33 usr 11.34 sys +  0.00 cusr  0.00 csys = 83.67 CPU)
-
-Test of compares with simple ranges
-Time for select_range_prefix (20000:43500):  9 wallclock secs ( 4.00 usr  0.89 sys +  0.00 cusr  0.00 csys =  4.89 CPU)
-Time for select_range_key2 (20000:43500):  9 wallclock secs ( 4.34 usr  0.72 sys +  0.00 cusr  0.00 csys =  5.06 CPU)
-Time for select_group (111): 55 wallclock secs ( 0.02 usr  0.04 sys +  0.00 cusr  0.00 csys =  0.06 CPU)
-Time for min_max_on_key (15000):  8 wallclock secs ( 5.12 usr  0.76 sys +  0.00 cusr  0.00 csys =  5.88 CPU)
-Time for min_max (60): 30 wallclock secs ( 0.04 usr  0.01 sys +  0.00 cusr  0.00 csys =  0.05 CPU)
-Time for count_on_key (100): 52 wallclock secs ( 0.03 usr  0.02 sys +  0.00 cusr  0.00 csys =  0.05 CPU)
-Time for count (100): 45 wallclock secs ( 0.01 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.01 CPU)
-Time for count_distinct_big (20): 98 wallclock secs ( 0.01 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.01 CPU)
-
-Testing update of keys with functions
-Time for update_of_key (50000):  25 wallclock secs ( 2.62 usr  1.44 sys +  0.00 cusr  0.00 csys =  4.06 CPU)
-Time for update_of_key_big (501): 35 wallclock secs ( 0.05 usr  0.04 sys +  0.00 cusr  0.00 csys =  0.09 CPU)
-
-Testing update with key
-Time for update_with_key (300000):  119 wallclock secs (18.44 usr 12.64 sys +  0.00 cusr  0.00 csys = 31.08 CPU)
-Time for update_with_key_prefix (100000):  36 wallclock secs ( 6.23 usr  3.85 sys +  0.00 cusr  0.00 csys = 10.08 CPU)
-
-Testing update of all rows
-Time for update_big (10):  64 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-
-Testing left outer join
-Time for outer_join_on_key (10:10):  60 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-Time for outer_join (10:10):  110 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-Time for outer_join_found (10:10):  107 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-Time for outer_join_not_found (500:10):  59 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-
-Testing INSERT INTO ... SELECT
-Time for insert_select_1_key (1):   7 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-Time for insert_select_2_keys (1):   9 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-Time for drop table(2):  0 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-
-Testing delete
-Time for delete_key (10000):  4 wallclock secs ( 0.76 usr  0.29 sys +  0.00 cusr  0.00 csys =  1.05 CPU)
-Time for delete_all (12): 17 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-
-Insert into table with 16 keys and with a primary key with 16 parts
-Time for insert_key (100000): 137 wallclock secs ( 9.91 usr  6.26 sys +  0.00 cusr  0.00 csys = 16.17 CPU)
-
-Testing update of keys
-Time for update_of_primary_key_many_keys (256): 47 wallclock secs ( 0.01 usr  0.02 sys +  0.00 cusr  0.00 csys =  0.03 CPU)
-
-Deleting rows from the table
-Time for delete_big_many_keys (128): 75 wallclock secs ( 0.03 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.03 CPU)
-
-Deleting everything from table
-Time for delete_all_many_keys (1): 75 wallclock secs ( 0.03 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.03 CPU)
-
-Total time: 2736 wallclock secs (661.21 usr 182.47 sys +  0.00 cusr  0.00 csys = 843.68 CPU)

sql-bench/Results/select-mysql-Linux_2.4.0_64GB_SMP_i686-cmp-mysql,pg

-Testing server 'MySQL 3.23.39' at 2001-06-05 14:41:13
-
-Testing the speed of selecting on keys that consist of many parts
-The test-table has 10000 rows and the test is done with 500 ranges.
-
-Creating table
-Inserting 10000 rows
-Time to insert (10000):  5 wallclock secs ( 0.80 usr  0.34 sys +  0.00 cusr  0.00 csys =  1.14 CPU)
-
-Test if the database has a query cache
-Time for select_query_cache (10000): 120 wallclock secs ( 3.67 usr  0.53 sys +  0.00 cusr  0.00 csys =  4.20 CPU)
-
-Time for select_query_cache2 (10000): 120 wallclock secs ( 3.80 usr  0.57 sys +  0.00 cusr  0.00 csys =  4.37 CPU)
-
-Testing big selects on the table
-Time for select_big (70:17207):  1 wallclock secs ( 0.15 usr  0.07 sys +  0.00 cusr  0.00 csys =  0.22 CPU)
-Time for select_range (410:1057904): 201 wallclock secs ( 9.05 usr  3.95 sys +  0.00 cusr  0.00 csys = 13.00 CPU)
-Time for min_max_on_key (70000): 222 wallclock secs (23.16 usr  3.67 sys +  0.00 cusr  0.00 csys = 26.83 CPU)
-Time for count_on_key (50000): 534 wallclock secs (16.58 usr  2.69 sys +  0.00 cusr  0.00 csys = 19.27 CPU)
-
-Time for count_group_on_key_parts (1000:100000): 58 wallclock secs ( 1.16 usr  0.35 sys +  0.00 cusr  0.00 csys =  1.51 CPU)
-Testing count(distinct) on the table
-Time for count_distinct_key_prefix (1000:1000): 51 wallclock secs ( 0.45 usr  0.08 sys +  0.00 cusr  0.00 csys =  0.53 CPU)
-Time for count_distinct (1000:1000): 60 wallclock secs ( 0.42 usr  0.08 sys +  0.00 cusr  0.00 csys =  0.50 CPU)
-Time for count_distinct_2 (1000:1000): 63 wallclock secs ( 0.18 usr  0.03 sys +  0.00 cusr  0.00 csys =  0.21 CPU)
-Time for count_distinct_group_on_key (1000:6000): 59 wallclock secs ( 0.51 usr  0.07 sys +  0.00 cusr  0.00 csys =  0.58 CPU)
-Time for count_distinct_group_on_key_parts (1000:100000): 194 wallclock secs ( 1.12 usr  0.46 sys +  0.00 cusr  0.00 csys =  1.58 CPU)
-Time for count_distinct_group (1000:100000): 194 wallclock secs ( 1.21 usr  0.37 sys +  0.00 cusr  0.00 csys =  1.58 CPU)
-Time for count_distinct_big (100:1000000): 67 wallclock secs ( 7.77 usr  3.16 sys +  0.00 cusr  0.00 csys = 10.93 CPU)
-Total time: 1949 wallclock secs (70.03 usr 16.42 sys +  0.00 cusr  0.00 csys = 86.45 CPU)

sql-bench/Results/wisconsin-mysql-Linux_2.4.0_64GB_SMP_i686-cmp-mysql,pg

-Testing server 'MySQL 3.23.39' at 2001-06-05 15:13:43
-
-Wisconsin benchmark test
-
-Time for create_table (3):  0 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-
-Inserting data
-Time to insert (31000): 13 wallclock secs ( 1.59 usr  1.18 sys +  0.00 cusr  0.00 csys =  2.77 CPU)
-Time to delete_big (1):  1 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
-
-Running actual benchmark
-Time for wisc_benchmark (114):  5 wallclock secs ( 2.33 usr  0.52 sys +  0.00 cusr  0.00 csys =  2.85 CPU)
-
-Total time: 19 wallclock secs ( 3.92 usr  1.70 sys +  0.00 cusr  0.00 csys =  5.62 CPU)

sql-bench/graph-compare-results.sh

@@ -458,7 +458,7 @@ sub gd {
   # set a color per server so in every result it has the same color ....
   foreach $key (@key_order) {
     if ($tot{$key}{'server'} =~ /mysql/i) {
-      if ($key =~ /mysql_pgcc/i || $key =~ /mysql_odbc/i) {
+      if ($key =~ /mysql_pgcc/i || $key =~ /mysql_odbc/i || $key =~ /mysql_fast/i) {
         $tot{$key}{'color'} = $lblue;
       } else {
         $tot{$key}{'color'} = $blue;

sql/field.cc

@@ -1593,7 +1593,7 @@ double Field_longlong::val_real(void)
   else
 #endif
     longlongget(j,ptr);
-  return unsigned_flag ? ulonglong2double(j) : (double) j;
+  return unsigned_flag ? ulonglong2double((ulonglong) j) : (double) j;
 }
 
 longlong Field_longlong::val_int(void)

sql/item_sum.cc

@@ -875,8 +875,19 @@ bool Item_sum_count_distinct::setup(THD *thd)
   List<Item> list;
   /* Create a table with an unique key over all parameters */
   for (uint i=0; i < arg_count ; i++)
-    if (list.push_back(args[i]))
-      return 1;
+  {
+    Item *item=args[i];
+    if (list.push_back(item))
+      return 1;					// End of memory
+    if (item->const_item())
+    {
+      (void) item->val_int();
+      if (item->null_value)
+	always_null=1;
+    }
+  }
+  if (always_null)
+    return 0;
   count_field_types(tmp_table_param,list,0);
   if (table)
   {
@@ -978,9 +989,9 @@ int Item_sum_count_distinct::tree_to_myisam()
 
 void Item_sum_count_distinct::reset()
 {
-  if(use_tree)
+  if (use_tree)
     reset_tree(&tree);
-  else
+  else if (table)
   {
     table->file->extra(HA_EXTRA_NO_CACHE);
     table->file->delete_all_rows();
@@ -992,6 +1003,8 @@ void Item_sum_count_distinct::reset()
 bool Item_sum_count_distinct::add()
 {
   int error;
+  if (always_null)
+    return 0;
   copy_fields(tmp_table_param);
   copy_funcs(tmp_table_param->funcs);
 

sql/item_sum.h

@@ -153,16 +153,17 @@ class Item_sum_count_distinct :public Item_sum_int
   // walk the tree and dump it into MyISAM table
   uint max_elements_in_tree;
 
-  // If there are no blobs, we can use a tree, which
-  // is faster than heap table. In that case, we still use the table
-  // to help get things set up, but we insert nothing in it
-  bool use_tree;
-  
   // the first few bytes of record ( at least one)
   // are just markers for deleted and NULLs. We want to skip them since
   // they will just bloat the tree without providing any valuable info
   int rec_offset;
   
+  // If there are no blobs, we can use a tree, which
+  // is faster than heap table. In that case, we still use the table
+  // to help get things set up, but we insert nothing in it
+  bool use_tree;
+  bool always_null;		// Set to 1 if the result is always NULL
+
   int tree_to_myisam();
   
   friend int composite_key_cmp(void* arg, byte* key1, byte* key2);
@@ -172,7 +173,7 @@ class Item_sum_count_distinct :public Item_sum_int
   public:
   Item_sum_count_distinct(List<Item> &list)
     :Item_sum_int(list),table(0),used_table_cache(~(table_map) 0),
-     tmp_table_param(0),use_tree(0)
+     tmp_table_param(0),always_null(0),use_tree(0)
   { quick_group=0; }
   ~Item_sum_count_distinct();
   table_map used_tables() const { return used_table_cache; }

sql/mysql_priv.h

@@ -550,7 +550,7 @@ extern ulong keybuff_size,sortbuff_size,max_item_sort_length,table_cache_size,
 	     binlog_cache_size, max_binlog_cache_size;
 extern ulong specialflag, current_pid;
 extern bool low_priority_updates, using_update_log;
-extern bool opt_sql_bin_update, opt_safe_show_db;
+extern bool opt_sql_bin_update, opt_safe_show_db, opt_warnings;
 extern char language[LIBLEN],reg_ext[FN_EXTLEN],blob_newline;
 extern const char **errmesg;			/* Error messages */
 extern const char *default_tx_isolation_name;

sql/mysqlbinlog.cc

@@ -108,7 +108,7 @@ static void die(const char* fmt, ...)
 
 static void print_version()
 {
-  printf("%s  Ver 1.3 for %s at %s\n",my_progname,SYSTEM_TYPE, MACHINE_TYPE);
+  printf("%s  Ver 1.4 for %s at %s\n",my_progname,SYSTEM_TYPE, MACHINE_TYPE);
 }
 
 
@@ -132,7 +132,7 @@ the mysql command line client\n\n");
 -s, --short-form	Just show the queries, no extra info\n\
 -o, --offset=N		Skip the first N entries\n\
 -h, --host=server	Get the binlog from server\n\
--P, --port=port         Use port to connect to the remove server\n\
+-P, --port=port         Use port to connect to the remote server\n\
 -u, --user=username     Connect to the remove server as username\n\
 -p, --password=password Password to connect to remote server\n\
 -r, --result-file=file  Direct output to a given file\n\

sql/mysqld.cc

@@ -289,7 +289,7 @@ ulong max_tmp_tables,max_heap_table_size;
 ulong bytes_sent = 0L, bytes_received = 0L;
 
 bool opt_endinfo,using_udf_functions,low_priority_updates, locked_in_memory;
-bool opt_using_transactions, using_update_log;
+bool opt_using_transactions, using_update_log, opt_warnings=0;
 bool volatile abort_loop,select_thread_in_use,grant_option;
 bool volatile ready_to_exit,shutdown_in_progress;
 ulong refresh_version=1L,flush_version=1L;	/* Increments on each reload */
@@ -1205,7 +1205,7 @@ Some pointers may be invalid and cause the dump to abort...\n");
     fprintf(stderr, "\n
 Successfully dumped variables, if you ran with --log, take a look at the\n\
 details of what thread %ld did to cause the crash.  In some cases of really\n\
-bad corruption, the above values may be invalid\n\n",
+bad corruption, the values shown above may be invalid\n\n",
 	  thd->thread_id);
   }
   fprintf(stderr, "\
@@ -2479,7 +2479,7 @@ enum options {
                OPT_INNODB_LOG_ARCH_DIR, 
                OPT_INNODB_LOG_ARCHIVE, 
                OPT_INNODB_FLUSH_LOG_AT_TRX_COMMIT, 
-               OPT_INNODB_UNIX_FILE_FLUSH_METHOD, 
+               OPT_innodb_flush_method, 
                OPT_SAFE_SHOW_DB,
 	       OPT_GEMINI_SKIP, OPT_INNODB_SKIP,
                OPT_TEMP_POOL, OPT_DO_PSTACK, OPT_TX_ISOLATION,
@@ -2544,7 +2544,7 @@ static struct option long_options[] = {
      OPT_INNODB_LOG_ARCHIVE},
   {"innodb_flush_log_at_trx_commit", optional_argument, 0,
      OPT_INNODB_FLUSH_LOG_AT_TRX_COMMIT},
-  {"innodb_unix_file_flush_method", required_argument, 0,
+  {"innodb_flush_method", required_argument, 0,
     OPT_INNODB_UNIX_FILE_FLUSH_METHOD},
 #endif
   {"help",                  no_argument,       0, '?'},
@@ -2636,6 +2636,7 @@ static struct option long_options[] = {
   {"use-locking",           no_argument,       0, (int) OPT_USE_LOCKING},
   {"user",                  required_argument, 0, 'u'},
   {"version",               no_argument,       0, 'V'},
+  {"warnings",		    no_argument,       0, 'W'},
   {0, 0, 0, 0}
 };
 
@@ -3050,6 +3051,8 @@ static void usage(void)
   -O, --set-variable var=option\n\
 			Give a variable an value. --help lists variables\n\
   --safe-mode		Skip some optimize stages (for testing)\n\
+  --safe-show-database  Don't show databases for which the user has no\n\
+                        privileges\n\
   --skip-concurrent-insert\n\
 		        Don't use concurrent insert with MyISAM\n\
   --skip-delay-key-write\n\
@@ -3076,7 +3079,8 @@ static void usage(void)
 		        Default transaction isolation level\n\
   --temp-pool           Use a pool of temporary files\n\
   -u, --user=user_name	Run mysqld daemon as user\n\
-  -V, --version		output version information and exit");
+  -V, --version		output version information and exit\n\
+  -W, --warnings        Log some not critical warnings to the log file\n");
 #ifdef __WIN__
   puts("NT and Win32 specific options:\n\
   --console		Don't remove the console window\n\
@@ -3113,7 +3117,7 @@ static void usage(void)
   puts("\
   --innodb_data_home_dir=dir   The common part for Innodb table spaces\n\
   --innodb_data_file_path=dir  Path to individual files and their sizes\n\
-  --innodb_flush_method=#      Which method to flush data\n\
+  --innodb_flush_method=#  With which method to flush data\n\
   --innodb_flush_log_at_trx_commit[=#]\n\
 			       Set to 0 if you don't want to flush logs\n\
   --innodb_log_arch_dir=dir    Where full logs should be archived\n\
@@ -3209,7 +3213,7 @@ static void get_options(int argc,char **argv)
   myisam_delay_key_write=1;			// Allow use of this
   my_use_symdir=1;				// Use internal symbolic links
 
-  while ((c=getopt_long(argc,argv,"ab:C:h:#::T::?l::L:O:P:sS::t:u:noVvI?",
+  while ((c=getopt_long(argc,argv,"ab:C:h:#::T::?l::L:O:P:sS::t:u:noVvWI?",
 			long_options, &option_index)) != EOF)
   {
     switch(c) {
@@ -3219,6 +3223,9 @@ static void get_options(int argc,char **argv)
 #endif
       opt_endinfo=1;				/* unireg: memory allocation */
       break;
+    case 'W':
+      opt_warnings=1;
+      break;
     case 'a':
       opt_ansi_mode=1;
       thd_startup_options|=OPTION_ANSI_MODE;

sql/sql_base.cc

@@ -504,11 +504,12 @@ void close_temporary(TABLE *table,bool delete_table)
 void close_temporary_tables(THD *thd)
 {
   TABLE *table,*next;
-  uint init_query_buf_size = 11, query_buf_size; // "drop table "
-  char* query, *p;
+  char *query, *end;
+  const uint init_query_buf_size = 11;		// "drop table "
+  uint query_buf_size; 
   bool found_user_tables = 0;
   
-  LINT_INIT(p);
+  LINT_INIT(end);
   query_buf_size = init_query_buf_size;
 
   for (table=thd->temporary_tables ; table ; table=table->next)
@@ -516,23 +517,23 @@ void close_temporary_tables(THD *thd)
     query_buf_size += table->key_length;
   }
 
-  if(query_buf_size == init_query_buf_size)
+  if (query_buf_size == init_query_buf_size)
     return; // no tables to close
 
-  if((query = alloc_root(&thd->mem_root, query_buf_size)))
+  if ((query = alloc_root(&thd->mem_root, query_buf_size)))
   {
     memcpy(query, "drop table ", init_query_buf_size);
-      p = query + init_query_buf_size;
+    end = query + init_query_buf_size;
   }
 
   for (table=thd->temporary_tables ; table ; table=next)
   {
-    if(query) // we might be out of memory, but this is not fatal
+    if (query) // we might be out of memory, but this is not fatal
     {
       // skip temporary tables not created directly by the user
-	if(table->table_name[0] != '#')
+      if (table->table_name[0] != '#')
       {
-	    p = strxmov(p,table->table_cache_key,".",
+	end = strxmov(end,table->table_cache_key,".",
 		      table->table_name,",", NullS);
 	// here we assume table_cache_key always starts
 	// with \0 terminated db name
@@ -545,8 +546,8 @@ void close_temporary_tables(THD *thd)
   if (query && found_user_tables && mysql_bin_log.is_open())
   {
     uint save_query_len = thd->query_length;
-    *--p = 0;
-    thd->query_length = (uint)(p-query);
+    *--end = 0;					// Remove last ','
+    thd->query_length = (uint)(end-query);
     Query_log_event qinfo(thd, query);
     mysql_bin_log.write(&qinfo);
     thd->query_length = save_query_len;

sql/sql_parse.cc

@@ -556,6 +556,7 @@ pthread_handler_decl(handle_one_connection,arg)
     free_root(&thd->mem_root,MYF(0));
     if (net->error && net->vio != 0)
     {
+      if (!thd->killed && ! opt_warnings)
       sql_print_error(ER(ER_NEW_ABORTING_CONNECTION),
 		      thd->thread_id,(thd->db ? thd->db : "unconnected"),
 		      thd->user ? thd->user : "unauthenticated",

sql/sql_select.cc

@@ -403,7 +403,22 @@ mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &fields,COND *conds,
     goto err;					/* purecov: inspected */
   }
   if (join.const_tables && !thd->locked_tables)
+  {
+    TABLE **table, **end;
+    for (table=join.table, end=table + join.const_tables ;
+	 table != end;
+	 table++)
+    {
+      /* BDB tables require that we call index_end() before doing an unlock */
+      if ((*table)->key_read)
+      {
+	(*table)->key_read=0;
+	(*table)->file->extra(HA_EXTRA_NO_KEYREAD);
+      }
+      (*table)->file->index_end();
+    }
     mysql_unlock_some_tables(thd, join.table,join.const_tables);
+  }
   if (!conds && join.outer_join)
   {
     /* Handle the case where we have an OUTER JOIN without a WHERE */
@@ -2810,8 +2825,13 @@ return_zero_rows(select_result *result,TABLE_LIST *tables,List<Item> &fields,
     if (send_row)
       result->send_data(fields);
     if (tables)					// Not from do_select()
+    {
+      /* Close open cursors */
+      for (TABLE_LIST *table=tables; table ; table=table->next)
+	table->table->file->index_end();
       result->send_eof();			// Should be safe
     }
+  }
   DBUG_RETURN(0);
 }
 

sql/sql_show.cc

@@ -844,18 +844,22 @@ store_create_info(THD *thd, TABLE *table, String *packet)
 
   for (uint i=0 ; i < table->keys ; i++,key_info++)
   {
+    KEY_PART_INFO *key_part= key_info->key_part;
+    bool found_primary=0;
     packet->append(",\n  ", 4);
 
-    KEY_PART_INFO *key_part= key_info->key_part;
-    if (i == primary_key)
+    if (i == primary_key && !strcmp(key_info->name,"PRIMARY"))
+    {
+      found_primary=1;
       packet->append("PRIMARY ", 8);
+    }
     else if (key_info->flags & HA_NOSAME)
       packet->append("UNIQUE ", 7);
     else if (key_info->flags & HA_FULLTEXT)
       packet->append("FULLTEXT ", 9);
     packet->append("KEY ", 4);
 
-    if (i != primary_key)
+    if (!found_primary)
      append_identifier(thd,packet,key_info->name);
 
     packet->append(" (", 2);

sql/time.cc

@@ -456,7 +456,7 @@ str_to_TIME(const char *str, uint length, TIME *l_time,bool fuzzy_date)
       date_used=1;				// Found something
     if (i == 2 && str != end && *str == 'T')
       str++;					// ISO8601:  CCYYMMDDThhmmss
-    else
+    else if ( i != 5 ) 				// Skip inter-field delimiters 
     {
       while (str != end && (ispunct(*str) || isspace(*str)))
       {