Commit 19a99dd3 authored by monty@tik.mysql.fi's avatar monty@tik.mysql.fi
Browse files

dded volatile to replication variable

parent c66b870c

Docs/manual.texi

+28 −9
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@@ -46423,7 +46423,9 @@ Our TODO section contains what we plan to have in 4.0. @xref{TODO MySQL 4.0}. 














@itemize @bullet















@item













Don't anymore support the client protocol prior to 3.21.













Multi-table @code{DELETE}.













@item













Don't anymore support old client protocols prior to @strong{MySQL} 3.21.















@item















Don't include the old C API functions @code{mysql_drop_db},















@code{mysql_create_db} and @code{mysql_connect}, if not compiled with










@@ -51898,9 +51900,6 @@ master.













@code{DELETE FROM table_name} will return the number of deleted rows. For















fast execution one should use @code{TRUNCATE table_name}.















@item













Multi-table @code{DELETE} (cascading @code{DELETE} and multi-table













@code{DELETE}.













@item















Allow @code{DELETE} on @code{MyISAM} tables to use the record cache.















To do this, we need to update the threads record cache when we update















the @code{.MYD} file.










@@ -51974,7 +51973,19 @@ structure.













Don't allow more than a defined number of threads to run MyISAM recover















at the same time.















@item













Change @code{INSERT ... SELECT} to use concurrent inserts.













Change @code{INSERT ... SELECT} to optionally use concurrent inserts.













@item













Implement @code{RENAME DATABASE}. To make this safe for all table handlers,













it should work as follows:













@itemize @bullet













@item













Create the new database.













@item













For every table do a rename of the table to another database, as













we do with the @code{RENAME} command.













@item













Drop the old database.













@end itemize















@item















Return the original field types() when doing @code{SELECT MIN(column)















... GROUP BY}.









@@ -51989,9 +52000,11 @@ in microseconds.













@item















Add range checking to @code{MERGE} tables.















@item













Link the @code{myisampack} code into the server.













@item















Port of @strong{MySQL} to BeOS.















@item













Link the @code{myisampack} code into the server.













Port of the @strong{MySQL} clients to LynxOS.















@item















Add a temporary key buffer cache during @code{INSERT/DELETE/UPDATE} so that we















can gracefully recover if the index file gets full.










@@ -52019,6 +52032,8 @@ a concurrent insert at the end of the file if the file is read-locked.













@item















Remember @code{FOREIGN} key definitions in the @file{.frm} file.















@item













Cascading @code{DELETE}













@item















Server side cursors.















@item















Check if @code{lockd} works with modern Linux kernels; If not, we have









@@ -52028,6 +52043,13 @@ give any errors if @code{lockd} works.













@item















Allow SQL variables in @code{LIMIT}, like in @code{LIMIT @@a,@@b}.















@item













Allow update of variables in @code{UPDATE} statements. For example:













@code{UPDATE TABLE foo SET @@a=a+b,a=@@a, b=@@a+c}













@item













Change when user variables are updated so that one can use them with













@code{GROUP BY}, as in the following example:













@code{SELECT id, @@a:=count(*), sum(sum_col)/@@a FROM table_name GROUP BY id}.













@item















Don't add automatic @code{DEFAULT} values to columns.  Give an error when using















an @code{INSERT} that doesn't contain a column that doesn't have a















@code{DEFAULT}.










@@ -52166,9 +52188,6 @@ Change that @code{ALTER TABLE} doesn't abort clients that executes













Fix that when columns referenced in an @code{UPDATE} clause contains the old















values before the update started.















@item













Allow update of variables in @code{UPDATE} statements. For example:













@code{UPDATE TABLE foo SET @@a=a+b,a=@@a, b=@@a+c}













@item















@code{myisamchk}, @code{REPAIR} and @code{OPTIMIZE TABLE} should be able















to handle cases where the data and/or index files are symbolic links.















@item

























sql/slave.cc



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@@ -26,7 +26,7 @@













#define RPL_LOG_NAME (glob_mi.log_file_name[0] ? glob_mi.log_file_name :\















 "FIRST")





























bool slave_running = 0;













volatile bool slave_running = 0;















pthread_t slave_real_id;















MASTER_INFO glob_mi;















HASH replicate_do_table, replicate_ignore_table;

































sql/slave.h



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@@ -91,8 +91,7 @@ int init_master_info(MASTER_INFO* mi);













void end_master_info(MASTER_INFO* mi);















extern bool opt_log_slave_updates ;















pthread_handler_decl(handle_slave,arg);













extern bool volatile abort_loop, abort_slave;













extern bool slave_running;













extern bool volatile abort_loop, abort_slave, slave_running;















extern uint32 slave_skip_counter;















// needed for problems when slave stops and















// we want to restart it skipping one or more events in the master log that

































sql/sql_base.cc



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@@ -121,7 +121,7 @@ int list_open_tables(THD *thd,List<char> *tables, const char *db,













  VOID(pthread_mutex_lock(&LOCK_open));















  bzero((char*) &table_list,sizeof(table_list));





























  for (uint idx=0 ; result == 0 && idx < open_cache.records; idx++)













  for (uint idx=0 ; idx < open_cache.records; idx++)















  {















    TABLE *entry=(TABLE*) hash_element(&open_cache,idx);















    if ((!entry->real_name) || strcmp(entry->table_cache_key,db))










@@ -152,6 +152,7 @@ int list_open_tables(THD *thd,List<char> *tables, const char *db,













    if (tables->push_back(thd->strdup(entry->real_name)))















    {















      result = -1;













      break;















    }















  }















  

































sql/sql_show.cc



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@@ -127,7 +127,6 @@ int mysqld_show_open_tables(THD *thd,const char *db,const char *wild)













      DBUG_RETURN(-1);















  }













































  send_eof(&thd->net);















  DBUG_RETURN(0);















}