merge

BitKeeper/etc/logging_ok

+Administrator@fred.
 Miguel@light.local
 Sinisa@sinisa.nasamreza.org
 davida@isil.mysql.com
@@ -30,4 +31,3 @@ tonu@hundin.mysql.fi
 tonu@volk.internalnet
 tonu@x153.internalnet
 tonu@x3.internalnet
-Administrator@fred.

Docs/manual.texi

@@ -28165,6 +28165,13 @@ column that only can take 2 values: A @code{CHAR(0)}, that is not defined
 as @code{NOT NULL}, will only occupy one bit and can only take 2 values:
 @code{NULL} or @code{""}. @xref{CHAR}.
 
+@tindex BOOL
+@tindex BIT
+@item BIT
+@itemx BOOL
+@itemx CHAR
+These three are synonyms for @code{CHAR(1)}.
+
 @tindex CHARACTER VARYING
 @tindex CHAR VARYING
 @tindex VARCHAR
@@ -30980,7 +30987,8 @@ mysql> select ATAN(-2);
 @end example
 
 @findex ATAN2()
-@item ATAN2(Y,X)
+@item ATAN(Y,X)
+@itemx ATAN2(Y,X)
 Returns the arc tangent of the two variables @code{X} and @code{Y}. It is
 similar to calculating the arc tangent of @code{Y / X}, except that the
 signs of both arguments are used to determine the quadrant of the
@@ -30988,7 +30996,7 @@ result:
 @example
 mysql> select ATAN(-2,2);
         -> -0.785398
-mysql> select ATAN(PI(),0);
+mysql> select ATAN2(PI(),0);
         -> 1.570796
 @end example
 
@@ -32193,6 +32201,18 @@ MySQL will directly use disk-based temporary tables if needed.
 MySQL will also, in this case, prefer sorting to doing a
 temporary table with a key on the @code{GROUP BY} elements.
 
+@item
+@code{SQL_BUFFER_RESULT} will force the result to be put into a temporary
+table. This will help MySQL free the table locks early and will help
+in cases where it takes a long time to send the result set to the client.
+
+@item
+@code{SQL_SMALL_RESULT}, a MySQL-specific option, can be used
+with @code{GROUP BY} or @code{DISTINCT} to tell the optimizer that the
+result set will be small.  In this case, MySQL will use fast
+temporary tables to store the resulting table instead of using sorting. In
+MySQL Version 3.23 this shouldn't normally be needed.
+
 @item
 @cindex @code{GROUP BY}, extensions to ANSI SQL
 If you use @code{GROUP BY}, the output rows will be sorted according to the
@@ -47547,6 +47567,9 @@ not yet 100% confident in this code.
 @appendixsubsec Changes in release 3.23.43
 @itemize @bullet
 @item
+Fixed a bug in @code{INSERT DELAYED} and @code{FLUSH TABLES} introduced
+in 3.23.42.
+@item
 Fixed unlikely bug, which returned not matching rows, in SELECT with
 many tables and multi-column indexes and 'range' type.
 @item

client/mysql.cc

@@ -968,7 +968,7 @@ static bool add_line(String &buffer,char *line,char *in_string)
     {					// mSQL or postgreSQL style command ?
       if (!(inchar = (uchar) *++pos))
 	break;				// readline adds one '\'
-      if (*in_string || inchar == 'N')
+      if (*in_string || inchar == 'N')	// \N is short for NULL
       {					// Don't allow commands in string
 	*out++='\\';
 	*out++= (char) inchar;

mysql-test/t/rpl000017-slave.sh

@@ -3,8 +3,8 @@ master-bin.001
 4
 127.0.0.1
 replicate
-aaaaaaaaaaaaaaab
-9306
+aaaaaaaaaaaaaaabthispartofthepasswordisnotused
+$MASTER_MYPORT
 1
 0
 EOF

sql/slave.cc

@@ -307,7 +307,7 @@ static int init_strvar_from_file(char* var, int max_size, IO_CACHE* f,
   }
   else if (default_val)
   {
-    strmake(var,  default_val, max_size);
+    strmake(var,  default_val, max_size-1);
     return 0;
   }
   return 1;
@@ -548,14 +548,14 @@ int init_master_info(MASTER_INFO* mi)
     }
 
     mi->log_file_name[length-1]= 0; // kill \n
-    char buf[FN_REFLEN];
-    if(!my_b_gets(&mi->file, buf, sizeof(buf)))
+    /* Reuse fname buffer */
+    if(!my_b_gets(&mi->file, fname, sizeof(fname)))
     {
       msg="Error reading log file position from master info file";
       goto error;
     }
+    mi->pos = strtoull(fname,(char**) 0, 10);
 
-    mi->pos = strtoull(buf,(char**) 0, 10);
     mi->fd = fd;
     if(init_strvar_from_file(mi->host, sizeof(mi->host), &mi->file,
 			     master_host) ||

sql/sql_insert.cc

@@ -868,6 +868,7 @@ void kill_delayed_threads(void)
   delayed_insert *tmp;
   while ((tmp=it++))
   {
+    /* Ensure that the thread doesn't kill itself while we are looking at it */
     pthread_mutex_lock(&tmp->mutex);
     tmp->thd.killed=1;
     if (tmp->thd.mysys_var)
@@ -875,8 +876,14 @@ void kill_delayed_threads(void)
       pthread_mutex_lock(&tmp->thd.mysys_var->mutex);
       if (tmp->thd.mysys_var->current_cond)
       {
+	/*
+	  We need the following test because the main mutex may be locked
+	  in handle_delayed_insert()
+	*/
+	if (&tmp->mutex != tmp->thd.mysys_var->current_mutex)
 	  pthread_mutex_lock(tmp->thd.mysys_var->current_mutex);
 	pthread_cond_broadcast(tmp->thd.mysys_var->current_cond);
+	if (&tmp->mutex != tmp->thd.mysys_var->current_mutex)
 	  pthread_mutex_unlock(tmp->thd.mysys_var->current_mutex);
       }
       pthread_mutex_unlock(&tmp->thd.mysys_var->mutex);

strings/strmake.c

@@ -22,7 +22,8 @@
 
     strmake(dst,src,length) moves length characters, or until end, of src to
     dst and appends a closing NUL to dst.
-    strmake() returns pointer to closing null;
+    Note that is strlen(src) >= length then dst[length] will be set to \0
+    strmake() returns pointer to closing null
 */
 
 #include <my_global.h>