Portability fixes

Fix for consistent 0000-00-00 date handling
Close + open binary logs on flush tables
Fix for AVG() in HAVING.


BUILD/SETUP.sh:
  Compile MySQL with -O0 to make debugging easier.
Docs/manual.texi:
  Changelog
configure.in:
  Version change
innobase/buf/buf0lru.c:
  Fix for windows
mysql-test/r/func_time.result:
  Updated tests
mysql-test/r/having.result:
  Updated tests
mysql-test/t/func_time.test:
  Updated tests
mysql-test/t/having.test:
  Updated tests
mysys/mf_casecnv.c:
  Portability fix
mysys/mf_qsort.c:
  Portability fix
mysys/my_compress.c:
  Portability fix
mysys/my_tempnam.c:
  More comments
sql/field.cc:
  Fix for consistent 0000-00-00 date handling
sql/item.h:
  Fix for AVG() in HAVING
sql/log.cc:
  Close + open update logs on flush tables
sql/sql_select.cc:
  More debugging info
sql/time.cc:
  Fix for consistent 0000-00-00 date handling
strings/ctype.c:
  Portability fix
strings/strto.c:
  Portability fix

BUILD/SETUP.sh

@@ -35,7 +35,7 @@ AM_MAKEFLAGS="-j 4"
 # -Wshadow -Wunused  -Winline (The later isn't usable in C++ as
 # __attribute()__ doesn't work with gnu C++)
 global_warnings="-Wimplicit -Wreturn-type -Wid-clash-51 -Wswitch -Wtrigraphs -Wcomment -W -Wchar-subscripts -Wformat -Wimplicit-function-dec -Wimplicit-int -Wparentheses -Wsign-compare -Wwrite-strings"
-debug_extra_warnings="-Wuninitialized"
+#debug_extra_warnings="-Wuninitialized"
 c_warnings="$global_warnings -Wunused"
 cxx_warnings="$global_warnings -Woverloaded-virtual -Wextern-inline -Wsign-promo -Wreorder -Wctor-dtor-privacy -Wnon-virtual-dtor"
 
@@ -48,7 +48,7 @@ fast_cflags="-O3 -fno-omit-frame-pointer"
 # this is one is for someone who thinks 1% speedup is worth not being
 # able to backtrace
 reckless_cflags="-O3 -fomit-frame-pointer "
-debug_cflags="-DEXTRA_DEBUG -DFORCE_INIT_OF_VARS -DSAFEMALLOC -DSAFE_MUTEX -O2"
+debug_cflags="-DEXTRA_DEBUG -DFORCE_INIT_OF_VARS -DSAFEMALLOC -DSAFE_MUTEX -O0"
 
 base_cxxflags="-felide-constructors -fno-exceptions -fno-rtti"
 

Docs/manual.texi

@@ -22958,7 +22958,7 @@ By default, the @code{mysql.server} script starts the MySQL
 server with the @code{-l} option.  If you need better performance when
 you start using MySQL in a production environment, you can
 remove the @code{-l} option from @code{mysql.server} or change it to
-@code{--log-binary}.
+@code{--log-bin}.
 
 The entries in this log are written as @code{mysqld} receives the questions.
 This may be different than the order in which the statements are executed.
@@ -23032,8 +23032,8 @@ and the crash.
 @cindex binary log
 @cindex files, binary log
 
-In the future the binary log will replace the update log, so we
-recommend you to switch to this log format as soon as possible!
+The intention is that the binary log should replace the update log, so
+we recommend you to switch to this log format as soon as possible!
 
 The binary log contains all information that is available in the update
 log in a more efficient format. It also contains information about how long
@@ -23048,6 +23048,14 @@ file name is given, it defaults to the name of the host machine followed
 by @code{-bin}. If file name is given, but it doesn't contain a path, the
 file is written in the data directory.
 
+If you supply an extension to @code{--log-bin=filename.extension}, the
+extension will be silenty removed.
+
+To the binary log filename @code{mysqld} will append an extension that is a
+number that is incremented each time you execute @code{mysqladmin
+refresh}, execute @code{mysqladmin flush-logs}, execute the @code{FLUSH LOGS}
+statement or restart the server. 
+
 You can use the following options to @code{mysqld} to affect what is logged
 to the binary log:
 
@@ -23062,11 +23070,6 @@ Tells the master that updates to the given database should not be logged
 to the binary log (Example: @code{binlog-ignore-db=some_database})
 @end multitable
 
-To the binary log filename @code{mysqld} will append an extension that is a
-number that is incremented each time you execute @code{mysqladmin
-refresh}, execute @code{mysqladmin flush-logs}, execute the @code{FLUSH LOGS}
-statement or restart the server.
-
 To be able to know which different binary log files have been used,
 @code{mysqld} will also create a binary log index file that
 contains the name of all used binary log files. By default this has the
@@ -46840,6 +46843,11 @@ not yet 100% confident in this code.
 @appendixsubsec Changes in release 3.23.44
 @itemize @bullet
 @item
+Fixed bug when using a reference to a @code{AVG()} column in @code{HAVING}.
+@item
+Fixed that date functions that require correct dates, like
+@code{DAYOFYEAR(column)} will return @code{NULL} for @code{0000-00-00} dates.
+@item
 Fixed bug in const-propagation when comparing columns of different
 types. (@code{SELECT * FROM date_col="2001-01-01" and date_col=time_col})
 @item
@@ -52724,15 +52732,15 @@ Make a second backup of the tables.
 Remove (or move away) any old log files from the MySQL data
 directory if you need more space.
 @item
-Start @code{mysqld} with @code{--log-binary}. @xref{Binary log}.
+Start @code{mysqld} with @code{--log-bin}. @xref{Binary log}.
 If you want to find a query that crashes @code{mysqld}, you should use
-@code{--log --log-binary}.
+@code{--log --log-bin}.
 @item
 When you have gotten a crashed table, stop the @code{mysqld server}.
 @item
 Restore the backup.
 @item
-Restart the @code{mysqld} server @strong{without} @code{--log-binary}
+Restart the @code{mysqld} server @strong{without} @code{--log-bin}
 @item
 Re-execute the commands with @code{mysqlbinlog update-log-file | mysql}.
 The update log is saved in the MySQL database directory with

configure.in

@@ -4,7 +4,7 @@ dnl Process this file with autoconf to produce a configure script.
 AC_INIT(sql/mysqld.cc)
 AC_CANONICAL_SYSTEM
 # The Docs Makefile.am parses this line!
-AM_INIT_AUTOMAKE(mysql, 3.23.43)
+AM_INIT_AUTOMAKE(mysql, 3.23.44)
 AM_CONFIG_HEADER(config.h)
 
 PROTOCOL_VERSION=10

innobase/buf/buf0lru.c

@@ -10,6 +10,7 @@ Created 11/5/1995 Heikki Tuuri
 
 #ifdef UNIV_NONINL
 #include "buf0lru.ic"
+#include "srv0srv.h"	/* Needed to getsrv_print_innodb_monitor */
 #endif
 
 #include "ut0byte.h"

mysql-test/r/func_time.result

@@ -200,3 +200,21 @@ month(updated)
 NULL
 year(updated)
 NULL
+dayofyear("0000-00-00")	dayofyear(d)	dayofyear(dt)	dayofyear(t)	dayofyear(c)
+NULL	NULL	NULL	NULL	NULL
+dayofmonth("0000-00-00")	dayofmonth(d)	dayofmonth(dt)	dayofmonth(t)	dayofmonth(c)
+0	0	0	0	0
+month("0000-00-00")	month(d)	month(dt)	month(t)	month(c)
+0	0	0	0	0
+quarter("0000-00-00")	quarter(d)	quarter(dt)	quarter(t)	quarter(c)
+0	0	0	0	0
+week("0000-00-00")	week(d)	week(dt)	week(t)	week(c)
+NULL	NULL	NULL	NULL	NULL
+year("0000-00-00")	year(d)	year(dt)	year(t)	year(c)
+0	0	0	0	0
+yearweek("0000-00-00")	yearweek(d)	yearweek(dt)	yearweek(t)	yearweek(c)
+NULL	NULL	NULL	NULL	NULL
+to_days("0000-00-00")	to_days(d)	to_days(dt)	to_days(t)	to_days(c)
+NULL	NULL	NULL	NULL	NULL
+extract(MONTH FROM "0000-00-00")	extract(MONTH FROM d)	extract(MONTH FROM dt)	extract(MONTH FROM t)	extract(MONTH FROM c)
+0	0	0	0	0

mysql-test/r/having.result

@@ -2,3 +2,5 @@ b
 b
 b
 0
+id	start	end	chr_strand
+133197	813898	813898	-1.0000

mysql-test/t/func_time.test

@@ -131,3 +131,21 @@ INSERT INTO t1 VALUES ('');
 SELECT month(updated) from t1;
 SELECT year(updated) from t1;
 drop table t1;
+
+#
+# Check that functions work identically on 0000-00-00 as a constant and on a
+# column
+#
+
+create table t1 (d date, dt datetime, t timestamp, c char(10));
+insert into t1 values ("0000-00-00", "0000-00-00", "0000-00-00", "0000-00-00");
+select dayofyear("0000-00-00"),dayofyear(d),dayofyear(dt),dayofyear(t),dayofyear(c) from t1;
+select dayofmonth("0000-00-00"),dayofmonth(d),dayofmonth(dt),dayofmonth(t),dayofmonth(c) from t1;
+select month("0000-00-00"),month(d),month(dt),month(t),month(c) from t1;
+select quarter("0000-00-00"),quarter(d),quarter(dt),quarter(t),quarter(c) from t1;
+select week("0000-00-00"),week(d),week(dt),week(t),week(c) from t1;
+select year("0000-00-00"),year(d),year(dt),year(t),year(c) from t1;
+select yearweek("0000-00-00"),yearweek(d),yearweek(dt),yearweek(t),yearweek(c) from t1;
+select to_days("0000-00-00"),to_days(d),to_days(dt),to_days(t),to_days(c) from t1;
+select extract(MONTH FROM "0000-00-00"),extract(MONTH FROM d),extract(MONTH FROM dt),extract(MONTH FROM t),extract(MONTH FROM c) from t1;
+drop table t1;

mysql-test/t/having.test

 # test of problems with having (Reported by Mark Rogers)
 #
 
-drop table if exists t1; 
+drop table if exists t1,t2;
 create table t1 (a int);
 select count(a) as b from t1 where a=0 having b > 0;
 insert into t1 values (null);
 select count(a) as b from t1 where a=0 having b > 0;
 select count(a) as b from t1 where a=0 having b >=0;
 drop table t1; 
+
+#
+# Test of problem with HAVING and AVG()
+#
+
+CREATE TABLE t1 (
+  raw_id int(10) NOT NULL default '0',
+  chr_start int(10) NOT NULL default '0',
+  chr_end int(10) NOT NULL default '0',
+  raw_start int(10) NOT NULL default '0',
+  raw_end int(10) NOT NULL default '0',
+  raw_ori int(2) NOT NULL default '0'
+);
+
+INSERT INTO t1 VALUES (469713,1,164123,1,164123,1),(317330,164124,317193,101,153170,1),(469434,317194,375620,101,58527,1),(591816,375621,484273,1,108653,1),(591807,484274,534671,91,50488,1),(318885,534672,649362,101,114791,1),(318728,649363,775520,102,126259,1),(336829,775521,813997,101,38577,1),(317740,813998,953227,101,139330,1),(1,813998,953227,101,139330,1);
+
+CREATE TABLE t2 (
+  id int(10) unsigned NOT NULL default '0',
+  contig_id int(10) unsigned NOT NULL default '0',
+  seq_start int(10) NOT NULL default '0',
+  seq_end int(10) NOT NULL default '0',
+  strand tinyint(2) NOT NULL default '0',
+  KEY id (id)
+);
+INSERT INTO t2 VALUES (133195,469713,61327,61384,1),(133196,469713,64113,64387,1),(133197,1,1,1,0),(133197,1,1,1,-2);
+SELECT e.id,
+   MIN( IF(sgp.raw_ori=1,
+          (e.seq_start+sgp.chr_start-sgp.raw_start),  
+          (sgp.chr_start+sgp.raw_end-e.seq_end))) as start, 
+   MAX( IF(sgp.raw_ori=1,
+           (e.seq_end+sgp.chr_start-sgp.raw_start),  
+           (sgp.chr_start+sgp.raw_end-e.seq_start))) as end, 
+   AVG(IF (sgp.raw_ori=1,e.strand,(-e.strand))) as chr_strand 
+FROM  t1 sgp,
+      t2 e  
+WHERE sgp.raw_id=e.contig_id 
+GROUP BY e.id 
+HAVING chr_strand= -1 and end >= 0 
+  AND start <= 999660;
+drop table t1,t2;

mysys/mf_casecnv.c

@@ -25,6 +25,7 @@
 
 #include "mysys_priv.h"
 #include <m_ctype.h>
+#include <m_string.h>
 
 	/* string to uppercase */
 

mysys/mf_qsort.c

@@ -25,6 +25,7 @@
 */
 
 #include "mysys_priv.h"
+#include <m_string.h>
 
 /* Envoke the comparison function, returns either 0, < 0, or > 0. */
 #ifdef QSORT_EXTRA_CMP_ARGUMENT

mysys/my_compress.c

@@ -20,6 +20,7 @@
 #include <global.h>
 #ifdef HAVE_COMPRESS
 #include <my_sys.h>
+#include <m_string.h>
 #include <zlib.h>
 
 /*

mysys/my_tempnam.c

@@ -15,6 +15,13 @@
    Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
    MA 02111-1307, USA */
 
+/*
+  This function is only used by some old ISAM code.
+  When we remove ISAM support from MySQL, we should also delete this file
+
+  One should instead use the functions in mf_tempfile.c
+*/
+
 #include "mysys_priv.h"
 #include <m_string.h>
 #include "my_static.h"
@@ -103,13 +110,13 @@ my_string my_tempnam(const char *dir, const char *pfx,
   old_env=(char**)environ;
   if (dir)
   {				/* Don't use TMPDIR if dir is given */
-    environ=(const char**)temp_env;
+    environ=(const char**)temp_env;		/* May give warning */
     temp_env[0]=0;
   }
 #endif
   res=tempnam((char*) dir,(my_string) pfx); /* Use stand. dir with prefix */
 #ifndef OS2
-  environ=(const char**)old_env;
+  environ=(const char**)old_env;		/* May give warning */
 #endif
   if (!res)
     DBUG_PRINT("error",("Got error: %d from tempnam",errno));

sql/field.cc

@@ -2412,8 +2412,7 @@ String *Field_timestamp::val_str(String *val_buffer,
   return val_buffer;
 }
 
-bool Field_timestamp::get_date(TIME *ltime,
-			       bool fuzzydate __attribute__((unused)))
+bool Field_timestamp::get_date(TIME *ltime, bool fuzzydate)
 {
   long temp;
 #ifdef WORDS_BIGENDIAN
@@ -2424,6 +2423,8 @@ bool Field_timestamp::get_date(TIME *ltime,
     longget(temp,ptr);
   if (temp == 0L)
   {				      /* Zero time is "000000" */
+    if (!fuzzydate)
+      return 1;
     bzero((char*) ltime,sizeof(*ltime));
   }
   else
@@ -2447,8 +2448,7 @@ bool Field_timestamp::get_date(TIME *ltime,
 
 bool Field_timestamp::get_time(TIME *ltime)
 {
-  Field_timestamp::get_date(ltime,0);
-  return 0;
+  return Field_timestamp::get_date(ltime,0);
 }
 
 int Field_timestamp::cmp(const char *a_ptr, const char *b_ptr)
@@ -3029,13 +3029,12 @@ bool Field_newdate::get_date(TIME *ltime,bool fuzzydate)
   ltime->month= (tmp >> 5) & 15;
   ltime->year=  (tmp >> 9);
   ltime->time_type=TIMESTAMP_DATE;
-  return (!fuzzydate && (!ltime->month || !ltime->day) && ltime->year) ? 1 : 0;
+  return (!fuzzydate && (!ltime->month || !ltime->day)) ? 1 : 0;
 }
 
 bool Field_newdate::get_time(TIME *ltime)
 {
-  Field_newdate::get_date(ltime,0);
-  return 0;
+  return Field_newdate::get_date(ltime,0);
 }
 
 int Field_newdate::cmp(const char *a_ptr, const char *b_ptr)
@@ -3214,13 +3213,12 @@ bool Field_datetime::get_date(TIME *ltime,bool fuzzydate)
   ltime->day=		part1%100;
   ltime->month= 	part1/100%100;
   ltime->year= 		part1/10000;
-  return (!fuzzydate && (!ltime->month || !ltime->day) && ltime->year) ? 1 : 0;
+  return (!fuzzydate && (!ltime->month || !ltime->day)) ? 1 : 0;
 }
 
 bool Field_datetime::get_time(TIME *ltime)
 {
-  Field_datetime::get_date(ltime,0);
-  return 0;
+  return Field_datetime::get_date(ltime,0);
 }
 
 int Field_datetime::cmp(const char *a_ptr, const char *b_ptr)

sql/item.h

@@ -292,6 +292,7 @@ public:
   Item_result_field() :result_field(0) {}
   ~Item_result_field() {}			/* Required with gcc 2.95 */
   Field *tmp_table_field() { return result_field; }
+  table_map used_tables() const { return 1; }
   virtual void fix_length_and_dec()=0;
 };
 

sql/log.cc

@@ -513,13 +513,18 @@ bool MYSQL_LOG::is_active(const char* log_file_name)
 
 void MYSQL_LOG::new_file(bool inside_mutex)
 {
-  // only rotate open logs that are marked non-rotatable
-  // (binlog with constant name are non-rotatable)
-  if (is_open() && ! no_rotate)
+  if (is_open())
   {
     char new_name[FN_REFLEN], *old_name=name;
     if (!inside_mutex)
       VOID(pthread_mutex_lock(&LOCK_log));
+
+    if (!no_rotate)
+    {
+      /*
+	only rotate open logs that are marked non-rotatable
+	(binlog with constant name are non-rotatable)
+      */
       if (generate_new_name(new_name, name))
       {
 	if (!inside_mutex)
@@ -536,6 +541,9 @@ void MYSQL_LOG::new_file(bool inside_mutex)
 	r.write(&log_file);
 	VOID(pthread_cond_broadcast(&COND_binlog_update));
       }
+    }
+    else
+      strmov(new_name, old_name);		// Reopen old file name
     name=0;
     close();
     open(old_name, log_type, new_name);

sql/sql_select.cc

@@ -5302,6 +5302,7 @@ static bool fix_having(JOIN *join, Item **having)
   JOIN_TAB *table=&join->join_tab[join->const_tables];
   table_map used_tables= join->const_table_map | table->table->map;
 
+  DBUG_EXECUTE("where",print_where(*having,"having"););
   Item* sort_table_cond=make_cond_for_table(*having,used_tables,used_tables);
   if (sort_table_cond)
   {

sql/time.cc

@@ -426,7 +426,6 @@ timestamp_type
 str_to_TIME(const char *str, uint length, TIME *l_time,bool fuzzy_date)
 {
   uint field_length,year_length,digits,i,number_of_fields,date[7];
-  bool date_used=0;
   const char *pos;
   const char *end=str+length;
   DBUG_ENTER("str_to_TIME");
@@ -452,8 +451,7 @@ str_to_TIME(const char *str, uint length, TIME *l_time,bool fuzzy_date)
       tmp_value=tmp_value*10 + (uint) (uchar) (*str - '0');
       str++;
     }
-    if ((date[i]=tmp_value))
-      date_used=1;				// Found something
+    date[i]=tmp_value;
     if (i == 2 && str != end && *str == 'T')
       str++;					// ISO8601:  CCYYMMDDThhmmss
     else if ( i != 5 ) 				// Skip inter-field delimiters 
@@ -486,7 +484,7 @@ str_to_TIME(const char *str, uint length, TIME *l_time,bool fuzzy_date)
   number_of_fields=i;
   while (i < 6)
     date[i++]=0;
-  if (number_of_fields < 3 || !date_used || date[1] > 12 ||
+  if (number_of_fields < 3 || date[1] > 12 ||
       date[2] > 31 || date[3] > 23 || date[4] > 59 || date[5] > 59 ||
       !fuzzy_date && (date[1] == 0 || date[2] == 0))
   {

strings/ctype.c

@@ -16,8 +16,8 @@
    MA 02111-1307, USA */
 
 #include <global.h>
-
 #include <m_ctype.h>
+#include <m_string.h>
 
 /* generated by make, using conf_to_src */
 #include "ctype_extra_sources.c"

strings/strto.c

@@ -197,7 +197,7 @@ function (const char *nptr,char **endptr,int base)
   }
 
   /* Return the result of the appropriate sign.  */
-  return (negative ? -((longtype) i) : i);
+  return (negative ? -((longtype) i) : (longtype) i);
 
 noconv:
   /* There was no number to convert.  */