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-rw-r--r--Docs/manual.texi211
-rw-r--r--client/mysql.cc2
-rw-r--r--myisam/mi_rkey.c2
-rw-r--r--myisam/mi_search.c8
-rw-r--r--myisammrg/myrg_rrnd.c2
-rw-r--r--mysys/getvar.c18
-rw-r--r--mysys/thr_lock.c2
-rw-r--r--sql/mysqld.cc4
-rw-r--r--sql/sql_base.cc15
-rw-r--r--sql/sql_insert.cc13
-rw-r--r--sql/sql_select.cc9
11 files changed, 223 insertions, 63 deletions
diff --git a/Docs/manual.texi b/Docs/manual.texi
index 5a37604a4eb..b5337f456a8 100644
--- a/Docs/manual.texi
+++ b/Docs/manual.texi
@@ -512,6 +512,11 @@ MyISAM Table Formats
* Dynamic format:: Dynamic table characteristics
* Compressed format:: Compressed table characteristics
+MyISAM table problems.
+
+* Corrupted MyISAM tables::
+* MyISAM table close::
+
BDB or Berkeley_DB Tables
* BDB overview:: Overview of BDB Tables
@@ -533,7 +538,7 @@ InnoDB Tables
* InnoDB overview:: InnoDB tables overview
* InnoDB start:: InnoDB startup options
-* Creating an InnoDB database:: Creating an InnoDB database. Creating an InnoDB database. Creating an InnoDB database.
+* Creating an InnoDB database:: Creating an InnoDB database. Creating an InnoDB database. Creating an InnoDB database. Creating an InnoDB database. Creating an InnoDB database. Creating an InnoDB database. Creating an InnoDB database.
* Using InnoDB tables:: Creating InnoDB tables
* Adding and removing:: Adding and removing InnoDB data and log files
* Backing up:: Backing up and recovering an InnoDB database
@@ -546,6 +551,35 @@ InnoDB Tables
* InnoDB restrictions:: Some restrictions on InnoDB tables
* InnoDB contact information:: InnoDB contact information.
+Creating an InnoDB database
+
+* Error createing InnoDB::
+
+Backing up and recovering an InnoDB database
+
+* InnoDB checkpoints::
+
+InnoDB transaction model
+
+* InnoDB consinsten read::
+* InnoDB locking reads::
+* InnoDB Next-key locking::
+* InnoDB Locks set::
+* InnoDB Deadlock detection::
+
+Table and index structures
+
+* InnoDB physical structure::
+* InnoDB Insert buffering::
+* InnoDB Adaptive hash::
+* InnoDB Physical record::
+
+File space management and disk i/o
+
+* InnoDB Disk i/o::
+* InnoDB File space::
+* InnoDB File Defragmenting::
+
MySQL Tutorial
* Connecting-disconnecting:: Connecting to and disconnecting from the server
@@ -927,6 +961,7 @@ Changes in release 4.0.x (Development; Alpha)
Changes in release 3.23.x (Stable)
+* 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
* News-3.23.36:: Changes in release 3.23.36
@@ -1091,7 +1126,7 @@ Debugging a MySQL server
* Using gdb on mysqld::
* Using stack trace::
* Using log files::
-* Reproducable test case::
+* Reproduceable test case::
@end detailmenu
@end menu
@@ -3232,7 +3267,7 @@ It is most helpful when a good description of the problem is included in the
bug report. That is, a good example of all the things you did that led to
the problem and the problem itself exactly described. The best reports are
those that include a full example showing how to reproduce the bug or
-problem. @xref{Reproducable test case}.
+problem. @xref{Reproduceable test case}.
If a program produces an error message, it is very important to include the
message in your report! If we try to search for something from the archives
@@ -19672,8 +19707,13 @@ REPAIR TABLE tbl_name[,tbl_name...] [QUICK] [EXTENDED]
@code{REPAIR TABLE} only works on @code{MyISAM} tables and is the same
as running @code{myisamchk -r table_name} on the table.
-Repair the corrupted table. The command returns a table with the following
-columns:
+Normally you should never have to run this command, but if disaster strikes
+you are very likely to get back all your data from a MyISAM table with
+@code{REPAIR TABLE}. If your tables get corrupted a lot you should
+try to find the reason for this! @xref{Crashing}. @xref{MyISAM table problems}.
+
+@code{REPAIR TABLE} repairs a possible corrupted table. The command returns a
+table with the following columns:
@multitable @columnfractions .35 .65
@item @strong{Column} @tab @strong{Value}
@@ -21136,7 +21176,7 @@ FLUSH flush_option [,flush_option]
You should use the @code{FLUSH} command if you want to clear some of the
internal caches @strong{MySQL} uses. To execute @code{FLUSH}, you must have
-the @strong{reload} privilege.
+the @strong{RELOAD} privilege.
@code{flush_option} can be any of the following:
@@ -23810,6 +23850,65 @@ Can be uncompressed with @code{myisamchk}.
@node MyISAM table problems, , MyISAM table formats, MyISAM
@subsection MyISAM table problems.
+The file format that @strong{MySQL} uses to store data has been extensively
+tested, but there are always circumstances that may cause database tables
+to become corrupted.
+
+@menu
+* Corrupted MyISAM tables::
+* MyISAM table close::
+@end menu
+
+@node Corrupted MyISAM tables, MyISAM table close, MyISAM table problems, MyISAM table problems
+@subsubsection Corrupted MyISAM tables.
+
+Even if the MyISAM table format is very reliable (all changes to a table
+is written before the SQL statements returns) , you can still get
+corrupted tables if some of the following things happens:
+
+@itemize @bullet
+@item
+The @code{mysqld} process being killed in the middle of a write.
+@item
+Unexpected shutdown of the computer (for example, if the computer is turned
+off).
+@item
+A hardware error.
+@item
+You are using an external program (like myisamchk) on a live table.
+@item
+A software bug in the MySQL or MyISAM code.
+@end itemize
+
+Typial typical symptoms for a corrupt table is:
+
+@itemize @bullet
+@item
+You get the error @code{Incorrect key file for table: '...'. Try to repair it}
+while selecting data from the table.
+@item
+Queries doesn't find rows in the table or returns incomplete data.
+@end itemize
+
+You can check if a table is ok with the command @code{CHECK
+TABLE}. @xref{CHECK TABLE}.
+
+You can repair a corrupted table with @code{REPAIR TABLE}. @xref{REPAIR TABLE}.
+You can also repair a table, when @code{mysqld} is not running with
+the @code{myisamchk} command. @code{myisamchk syntax}.
+
+If your tables get corrupted a lot you should try to find the reason for
+this! @xref{Crashing}.
+
+In this case the most important thing to know is if the table got
+corrupted if the @code{mysqld} died (one can easily verify this by
+checking if there is a recent row @code{restarted mysqld} in the mysqld
+error file). If this isn't the case, then you should try to make a test
+case of this. @xref{Reproduceable test case}.
+
+@node MyISAM table close, , Corrupted MyISAM tables, MyISAM table problems
+@subsubsection Clients is using or hasn't closed the table properly
+
Each @code{MyISAM} @code{.MYI} file has in the header a counter that can
be used to check if a table has been closed properly.
@@ -23854,7 +23953,8 @@ The @code{MyISAM} tables are copied without a @code{LOCK} and
(Note that the table may still be ok, as @strong{MySQL} always issues writes
for everything between each statement).
@item
-Someone has done a @code{myisamchk --repair} or @code{myisamchk --update-state}on a table that was in use by @code{mysqld}.
+Someone has done a @code{myisamchk --repair} or @code{myisamchk
+--update-state}on a table that was in use by @code{mysqld}.
@item
Many @code{mysqld} servers are using the table and one has done a
@code{REPAIR} or @code{CHECK} of the table while it was in use by
@@ -24504,7 +24604,7 @@ NuSphere is working on removing these limitations.
@menu
* InnoDB overview:: InnoDB tables overview
* InnoDB start:: InnoDB startup options
-* Creating an InnoDB database:: Creating an InnoDB database. Creating an InnoDB database. Creating an InnoDB database.
+* Creating an InnoDB database:: Creating an InnoDB database. Creating an InnoDB database. Creating an InnoDB database. Creating an InnoDB database. Creating an InnoDB database. Creating an InnoDB database. Creating an InnoDB database.
* Using InnoDB tables:: Creating InnoDB tables
* Adding and removing:: Adding and removing InnoDB data and log files
* Backing up:: Backing up and recovering an InnoDB database
@@ -24761,6 +24861,11 @@ InnoDB: Started
mysqld: ready for connections
@end example
+@menu
+* Error createing InnoDB::
+@end menu
+
+@node Error createing InnoDB, , Creating an InnoDB database, Creating an InnoDB database
@subsubsection If something goes wrong in database creation
If something goes wrong in an InnoDB database creation, you should
@@ -24917,6 +25022,11 @@ first find a backup which is not corrupted. From a backup do the recovery
from the general log files of @strong{MySQL} according to instructions in the
MySQL manual.
+@menu
+* InnoDB checkpoints::
+@end menu
+
+@node InnoDB checkpoints, , Backing up, Backing up
@subsubsection Checkpoints
InnoDB implements a checkpoint mechanism called a fuzzy
@@ -24993,6 +25103,15 @@ and become visible to other users. A @code{ROLLBACK}
on the other hand cancels all modifications made by the current
transaction.
+@menu
+* InnoDB consinsten read::
+* InnoDB locking reads::
+* InnoDB Next-key locking::
+* InnoDB Locks set::
+* InnoDB Deadlock detection::
+@end menu
+
+@node InnoDB consinsten read, InnoDB locking reads, InnoDB transaction model, InnoDB transaction model
@subsubsection Consistent read
A consistent read means that InnoDB uses its multiversioning to
@@ -25017,6 +25136,7 @@ on the tables it accesses, and therefore other users are free to
modify those tables at the same time a consistent read is being performed
on the table.
+@node InnoDB locking reads, InnoDB Next-key locking, InnoDB consinsten read, InnoDB transaction model
@subsubsection Locking reads
A consistent read is not convenient in some circumstances.
@@ -25073,6 +25193,7 @@ available data setting exclusive locks on each row it reads.
Thus it sets the same locks a searched SQL @code{UPDATE} would set
on the rows.
+@node InnoDB Next-key locking, InnoDB Locks set, InnoDB locking reads, InnoDB transaction model
@subsubsection Next-key locking: avoiding the 'phantom problem'
In row level locking InnoDB uses an algorithm called next-key locking.
@@ -25126,6 +25247,7 @@ anyone meanwhile inserting a duplicate for your row. Thus the next-key
locking allows you to 'lock' the non-existence of something in your
table.
+@node InnoDB Locks set, InnoDB Deadlock detection, InnoDB Next-key locking, InnoDB transaction model
@subsubsection Locks set by different SQL statements in InnoDB
@itemize @bullet
@@ -25177,6 +25299,7 @@ get a table lock on a table where another user currently has row level
locks. But that does not put transaction integerity into danger.
@end itemize
+@node InnoDB Deadlock detection, , InnoDB Locks set, InnoDB transaction model
@subsubsection Deadlock detection and rollback
InnoDB automatically detects a deadlock of transactions and rolls
@@ -25272,6 +25395,14 @@ uses this primary key value to search for the row from the clustered
index. Note that if the primary key is long, the secondary indexes
will use more space.
+@menu
+* InnoDB physical structure::
+* InnoDB Insert buffering::
+* InnoDB Adaptive hash::
+* InnoDB Physical record::
+@end menu
+
+@node InnoDB physical structure, InnoDB Insert buffering, Table and index, Table and index
@subsubsection Physical structure of an index
All indexes in InnoDB are B-trees where the index records are
@@ -25286,6 +25417,7 @@ If records are inserted in a random order, then the pages will be
1/2 - 15/16 full. If the fillfactor of an index page drops below 1/2,
InnoDB will try to contract the index tree to free the page.
+@node InnoDB Insert buffering, InnoDB Adaptive hash, InnoDB physical structure, Table and index
@subsubsection Insert buffering
It is a common situation in a database application that the
@@ -25312,6 +25444,7 @@ same page in of the index tree, and hence save disk i/o's.
It has been measured that the insert buffer can speed up insertions
to a table up to 15 times.
+@node InnoDB Adaptive hash, InnoDB Physical record, InnoDB Insert buffering, Table and index
@subsubsection Adaptive hash indexes
If a database fits almost entirely in main memory, then the fastest way
@@ -25334,6 +25467,7 @@ In a sense, through the adaptive hash index mechanism InnoDB adapts itself
to ample main memory, coming closer to the architecture of main memory
databases.
+@node InnoDB Physical record, , InnoDB Adaptive hash, Table and index
@subsubsection Physical record structure
@itemize @bullet
@@ -25360,6 +25494,13 @@ the pointer is 1 byte, else 2 bytes.
@node File space management, Error handling, Table and index, InnoDB
@subsection File space management and disk i/o
+@menu
+* InnoDB Disk i/o::
+* InnoDB File space::
+* InnoDB File Defragmenting::
+@end menu
+
+@node InnoDB Disk i/o, InnoDB File space, File space management, File space management
@subsubsection Disk i/o
In disk i/o InnoDB uses asynchronous i/o. On Windows NT
@@ -25390,6 +25531,7 @@ in a tablespace seems to be in the process of being
fully read into the buffer pool. Then InnoDB posts the remaining
reads to the i/o system.
+@node InnoDB File space, InnoDB File Defragmenting, InnoDB Disk i/o, File space management
@subsubsection File space management
The data files you define in the configuration file form the tablespace
@@ -25436,6 +25578,7 @@ but remember that deleted rows can be physically removed only in a
purge operation after they are no longer needed in transaction rollback or
consistent read.
+@node InnoDB File Defragmenting, , InnoDB File space, File space management
@subsubsection Defragmenting a table
If there are random insertions or deletions
@@ -32830,8 +32973,13 @@ Temporary directory (instead of /tmp).
You can use 'perldoc mysqlhotcopy' to get a more complete documentation for
@code{mysqlhotcopy}.
-@code{mysqlhotcopy} reads the group @code{[mysqlhotcopy]} from the option
-files.
+@code{mysqlhotcopy} reads the groups @code[client] and @code{[mysqlhotcopy]}
+from the option files.
+
+To be able to execute @code{mysqlhotcopy} you need write access to the
+backup directory, @code{SELECT} privilege to the tables you are about to
+copy and the @strong{MySQL} @code{Reload} privilege (to be able to
+execute @code{FLUSH TABLES}).
@cindex importing, data
@cindex data, importing
@@ -34253,23 +34401,12 @@ the table (this also applies if you are using @code{--skip-locking}).
If you don't take down @code{mysqld} you should at least do a
@code{mysqladmin flush-tables} before you run @code{myisamchk}.
-The file format that @strong{MySQL} uses to store data has been extensively
-tested, but there are always external circumstances that may cause database
-tables to become corrupted:
-
-@itemize @bullet
-@item
-The @code{mysqld} process being killed in the middle of a write.
-@item
-Unexpected shutdown of the computer (for example, if the computer is turned
-off).
-@item
-A hardware error.
-@end itemize
-
This chapter describes how to check for and deal with data corruption
in @strong{MySQL} databases. If your tables get corrupted a lot you should
-try to find the reason for this! @xref{Debugging server}.
+try to find the reason for this! @xref{Crashing}.
+
+The @code{MyISAM} table section contains reason for why a table could be
+corrupted. @xref{MyISAM table problems}.
When performing crash recovery, it is important to understand that each table
@code{tbl_name} in a database corresponds to three files in the database
@@ -36117,7 +36254,7 @@ have been able to locate the bug and should do a bug report for this!
@item
Try to make a test case that we can use to reproduce the problem.
-@xref{Reproducable test case}.
+@xref{Reproduceable test case}.
@item
Try running the included mysql-test test and the @strong{MySQL}
@@ -44176,6 +44313,7 @@ users uses this code as the rest of the code and because of this we are
not yet 100% confident in this code.
@menu
+* News-3.23.39:: 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
* News-3.23.36:: Changes in release 3.23.36
@@ -44218,7 +44356,20 @@ not yet 100% confident in this code.
* News-3.23.0:: Changes in release 3.23.0
@end menu
-@node News-3.23.38, News-3.23.37, News-3.23.x, News-3.23.x
+@node News-3.23.39, News-3.23.38, News-3.23.x, News-3.23.x
+@appendixsubsec Changes in release 3.23.39
+@itemize @bullet
+@item
+Fixed problem with shutdown when @code{INSERT DELAYED} was waiting for
+a @code{LOCK TABLE}.
+@item
+Fixed coredump bug buged in InnoDB when tablespace was full.
+@item
+Fixed problem with @code{MERGE} tables and big tables (> 4G) when using
+@code{ORDER BY}.
+@end itemize
+
+@node News-3.23.38, News-3.23.37, News-3.23.39, News-3.23.x
@appendixsubsec Changes in release 3.23.38
@itemize @bullet
@item
@@ -50011,7 +50162,7 @@ problems that may be unique to your environment.
* Using gdb on mysqld::
* Using stack trace::
* Using log files::
-* Reproducable test case::
+* Reproduceable test case::
@end menu
@node Compiling for debugging, Making trace files, Debugging server, Debugging server
@@ -50256,7 +50407,7 @@ that killed @code{mysqld} and preferable a test case so that we can
repeat the problem! @xref{Bug reports}.
@end enumerate
-@node Using log files, Reproducable test case, Using stack trace, Debugging server
+@node Using log files, Reproduceable test case, Using stack trace, Debugging server
@appendixsubsec Using log files to find cause of errors in mysqld
Note that before starting @code{mysqld} with @code{--log} you should
@@ -50306,7 +50457,7 @@ It's of course not a good sign if @code{mysqld} did died unexpectedly,
but in this case one shouldn't investigate the @code{Checking table...}
messages but instead try to find out why @code{mysqld} died.
-@node Reproducable test case, , Using log files, Debugging server
+@node Reproduceable test case, , Using log files, Debugging server
@appendixsubsec Making a test case when you experience table corruption
If you get corrupted tables or if @code{mysqld} always fails after some
diff --git a/client/mysql.cc b/client/mysql.cc
index c0c24c4fbe6..8d926a54840 100644
--- a/client/mysql.cc
+++ b/client/mysql.cc
@@ -340,7 +340,7 @@ int main(int argc,char *argv[])
}
#endif
sprintf(buff,
- "Type 'help;' or '\\h' for help. Type '\\c' to clear the buffer\n");
+ "Type 'help;' or '\\h' for help. Type '\\c' to clear the buffer.\n");
put_info(buff,INFO_INFO);
status.exit_status=read_lines(1); // read lines and execute them
if (opt_outfile)
diff --git a/myisam/mi_rkey.c b/myisam/mi_rkey.c
index 84612779f5d..0df390412b9 100644
--- a/myisam/mi_rkey.c
+++ b/myisam/mi_rkey.c
@@ -28,7 +28,7 @@ int mi_rkey(MI_INFO *info, byte *buf, int inx, const byte *key, uint key_len,
uchar *key_buff;
MYISAM_SHARE *share=info->s;
uint pack_key_length;
- DBUG_ENTER("_mi_rkey");
+ DBUG_ENTER("mi_rkey");
DBUG_PRINT("enter",("base: %lx inx: %d search_flag: %d",
info,inx,search_flag));
diff --git a/myisam/mi_search.c b/myisam/mi_search.c
index 4dc5a5099d5..2c04679ed4c 100644
--- a/myisam/mi_search.c
+++ b/myisam/mi_search.c
@@ -158,7 +158,7 @@ int _mi_search(register MI_INFO *info, register MI_KEYDEF *keyinfo,
info->page_changed=0;
info->buff_used= (info->buff != buff); /* If we have to reread buff */
- DBUG_PRINT("exit",("found key at %ld",info->lastpos));
+ DBUG_PRINT("exit",("found key at %lu",(ulong) info->lastpos));
DBUG_RETURN(0);
err:
DBUG_PRINT("exit",("Error: %d",my_errno));
@@ -1276,7 +1276,7 @@ int _mi_search_next(register MI_INFO *info, register MI_KEYDEF *keyinfo,
}
memcpy(info->lastkey,lastkey,info->lastkey_length);
info->lastpos=_mi_dpos(info,0,info->lastkey+info->lastkey_length);
- DBUG_PRINT("exit",("found key at %d",info->lastpos));
+ DBUG_PRINT("exit",("found key at %lu",(ulong) info->lastpos));
DBUG_RETURN(0);
} /* _mi_search_next */
@@ -1318,7 +1318,7 @@ int _mi_search_first(register MI_INFO *info, register MI_KEYDEF *keyinfo,
info->page_changed=info->buff_used=0;
info->lastpos=_mi_dpos(info,0,info->lastkey+info->lastkey_length);
- DBUG_PRINT("exit",("found key at %d",info->lastpos));
+ DBUG_PRINT("exit",("found key at %ld",(ulong) info->lastpos));
DBUG_RETURN(0);
} /* _mi_search_first */
@@ -1362,7 +1362,7 @@ int _mi_search_last(register MI_INFO *info, register MI_KEYDEF *keyinfo,
info->last_search_keypage=info->last_keypage;
info->page_changed=info->buff_used=0;
- DBUG_PRINT("exit",("found key at %d",info->lastpos));
+ DBUG_PRINT("exit",("found key at %lu",(ulong) info->lastpos));
DBUG_RETURN(0);
} /* _mi_search_last */
diff --git a/myisammrg/myrg_rrnd.c b/myisammrg/myrg_rrnd.c
index 46bd3850bb5..de731e58d5b 100644
--- a/myisammrg/myrg_rrnd.c
+++ b/myisammrg/myrg_rrnd.c
@@ -88,7 +88,7 @@ int myrg_rrnd(MYRG_INFO *info,byte *buf,ulonglong filepos)
isam_info->update&= HA_STATE_CHANGED;
DBUG_RETURN((*isam_info->s->read_rnd)
(isam_info, (byte*) buf,
- (ha_rows) (filepos - info->current_table->file_offset),
+ (my_off_t) (filepos - info->current_table->file_offset),
0));
}
diff --git a/mysys/getvar.c b/mysys/getvar.c
index 21cac7f0d61..703ccc4ddfa 100644
--- a/mysys/getvar.c
+++ b/mysys/getvar.c
@@ -56,7 +56,7 @@ my_bool set_changeable_var(my_string str,CHANGEABLE_VAR *vars)
CHANGEABLE_VAR *var,*found;
my_string var_end;
const char *name;
- long num;
+ longlong num;
/* Skip end space from variable */
for (var_end=end ; end > str && isspace(var_end[-1]) ; var_end--) ;
@@ -87,7 +87,7 @@ my_bool set_changeable_var(my_string str,CHANGEABLE_VAR *vars)
DBUG_RETURN(1);
}
- num=(long) atol(end); endchar=strend(end)[-1];
+ num=atoll(end); endchar=strend(end)[-1];
if (endchar == 'k' || endchar == 'K')
num*=1024;
else if (endchar == 'm' || endchar == 'M')
@@ -99,14 +99,12 @@ my_bool set_changeable_var(my_string str,CHANGEABLE_VAR *vars)
fprintf(stderr,"Unknown prefix used for variable value '%s'\n",str);
DBUG_RETURN(1);
}
- if (num < (long) found->min_value)
- num=(long) found->min_value;
- else if ((unsigned long) num >
- (unsigned long) found->max_value)
- num=(long) found->max_value;
- *found->varptr=(long) ((ulong) (num-found->sub_size) /
- (ulong) found->block_size);
- (*found->varptr)*= (ulong) found->block_size;
+ if (num < (longlong) found->min_value)
+ num=(longlong) found->min_value;
+ else if (num > (longlong) (ulong) found->max_value)
+ num=(longlong) (ulong) found->max_value;
+ num=((num- (longlong) found->sub_size) / (ulonglong) found->block_size);
+ (*found->varptr)= (long) (num*(ulonglong) found->block_size);
DBUG_RETURN(0);
}
}
diff --git a/mysys/thr_lock.c b/mysys/thr_lock.c
index ed21d466b35..74548b7fa12 100644
--- a/mysys/thr_lock.c
+++ b/mysys/thr_lock.c
@@ -370,7 +370,7 @@ static my_bool wait_for_lock(struct st_lock_list *wait, THR_LOCK_DATA *data,
do
{
pthread_cond_wait(cond,&data->lock->mutex);
- } while (data->cond == cond && !thread_var->abort);
+ } while (data->cond == cond && (!thread_var->abort || in_wait_list));
if (data->cond || data->type == TL_UNLOCK)
{
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index c9e19b65a6c..7a0fb4ccddc 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -2701,7 +2701,7 @@ CHANGEABLE_VAR changeable_vars[] = {
1024, 4, 8192*1024L, 0, 1 },
{ "max_tmp_tables", (long*) &max_tmp_tables,
32, 1, ~0L, 0, 1 },
- { "max_user_connections", (long*) &max_user_connections,
+ { "max_user_connections", (long*) &max_user_connections,
0, 1, ~0L, 0, 1 },
{ "max_write_lock_count", (long*) &max_write_lock_count,
~0L, 1, ~0L, 0, 1 },
@@ -2737,7 +2737,7 @@ CHANGEABLE_VAR changeable_vars[] = {
{ "thread_cache_size", (long*) &thread_cache_size,
0, 0, 16384, 0, 1 },
{ "tmp_table_size", (long*) &tmp_table_size,
- 1024*1024L, 1024, ~0L, MALLOC_OVERHEAD, 1 },
+ 32*1024*1024L, 1024, ~0L, 0, 1 },
{ "thread_stack", (long*) &thread_stack,
DEFAULT_THREAD_STACK, 1024*32, ~0L, 0, 1024 },
{ "wait_timeout", (long*) &net_wait_timeout,
diff --git a/sql/sql_base.cc b/sql/sql_base.cc
index 3c81723b61f..e7d63e1e5e4 100644
--- a/sql/sql_base.cc
+++ b/sql/sql_base.cc
@@ -34,8 +34,8 @@ HASH open_cache; /* Used by mysql_test */
static int open_unireg_entry(THD *thd,TABLE *entry,const char *db,
const char *name, const char *alias, bool locked);
-static bool insert_fields(THD *thd,TABLE_LIST *tables, const char *table_name,
- List_iterator<Item> *it);
+static bool insert_fields(THD *thd,TABLE_LIST *tables, const char *db_name,
+ const char *table_name, List_iterator<Item> *it);
static void free_cache_entry(TABLE *entry);
static void mysql_rm_tmp_tables(void);
static key_map get_key_map_from_key_list(TABLE *table,
@@ -1754,7 +1754,8 @@ int setup_fields(THD *thd, TABLE_LIST *tables, List<Item> &fields,
if (item->type() == Item::FIELD_ITEM &&
((Item_field*) item)->field_name[0] == '*')
{
- if (insert_fields(thd,tables,((Item_field*) item)->table_name,&it))
+ if (insert_fields(thd,tables,((Item_field*) item)->db_name,
+ ((Item_field*) item)->table_name,&it))
DBUG_RETURN(-1); /* purecov: inspected */
}
else
@@ -1838,8 +1839,8 @@ static key_map get_key_map_from_key_list(TABLE *table,
****************************************************************************/
static bool
-insert_fields(THD *thd,TABLE_LIST *tables, const char *table_name,
- List_iterator<Item> *it)
+insert_fields(THD *thd,TABLE_LIST *tables, const char *db_name,
+ const char *table_name, List_iterator<Item> *it)
{
uint found;
DBUG_ENTER("insert_fields");
@@ -1851,7 +1852,9 @@ insert_fields(THD *thd,TABLE_LIST *tables, const char *table_name,
if (grant_option && !thd->master_access &&
check_grant_all_columns(thd,SELECT_ACL,table) )
DBUG_RETURN(-1);
- if (!table_name || !strcmp(table_name,tables->name))
+ if (!table_name || (!strcmp(table_name,tables->name) &&
+ (!db_name || !tables->db ||
+ !strcmp(tables->db,db_name))))
{
Field **ptr=table->field,*field;
thd->used_tables|=table->map;
diff --git a/sql/sql_insert.cc b/sql/sql_insert.cc
index 3be195b8984..cfd16df5d17 100644
--- a/sql/sql_insert.cc
+++ b/sql/sql_insert.cc
@@ -1088,6 +1088,7 @@ bool delayed_insert::handle_inserts(void)
int error;
uint max_rows;
bool using_ignore=0;
+ delayed_row *row;
DBUG_ENTER("handle_inserts");
/* Allow client to insert new rows */
@@ -1113,7 +1114,6 @@ bool delayed_insert::handle_inserts(void)
table->file->extra(HA_EXTRA_WRITE_CACHE);
pthread_mutex_lock(&mutex);
- delayed_row *row;
while ((row=rows.get()))
{
stacked_inserts--;
@@ -1138,9 +1138,7 @@ bool delayed_insert::handle_inserts(void)
if (write_record(table,&info))
{
info.error++; // Ignore errors
- pthread_mutex_lock(&LOCK_delayed_status);
- delayed_insert_errors++;
- pthread_mutex_unlock(&LOCK_delayed_status);
+ thread_safe_increment(delayed_insert_errors,&LOCK_delayed_status);
row->log_query = 0;
}
if (using_ignore)
@@ -1209,6 +1207,13 @@ bool delayed_insert::handle_inserts(void)
DBUG_RETURN(0);
err:
+ /* Remove all not used rows */
+ while ((row=rows.get()))
+ {
+ delete row;
+ thread_safe_increment(delayed_insert_errors,&LOCK_delayed_status);
+ stacked_inserts--;
+ }
thread_safe_increment(delayed_insert_errors, &LOCK_delayed_status);
pthread_mutex_lock(&mutex);
DBUG_RETURN(1);
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index c2b5662d436..f464c237d78 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -3554,9 +3554,12 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
param->recinfo=recinfo;
store_record(table,2); // Make empty default record
- table->max_rows=(((table->db_type == DB_TYPE_HEAP) ?
- min(tmp_table_size, max_heap_table_size) : tmp_table_size)/
- table->reclength);
+ if (tmp_table_size == ~(ulong) 0) // No limit
+ table->max_rows= ~(ha_rows) 0;
+ else
+ table->max_rows=(((table->db_type == DB_TYPE_HEAP) ?
+ min(tmp_table_size, max_heap_table_size) :
+ tmp_table_size)/ table->reclength);
set_if_bigger(table->max_rows,1); // For dummy start options
keyinfo=param->keyinfo;