diff options
author | unknown <monty@narttu.mysql.fi> | 2000-11-16 20:55:52 +0200 |
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committer | unknown <monty@narttu.mysql.fi> | 2000-11-16 20:55:52 +0200 |
commit | 24137ef26120c29263acda059d79e7c21fe59319 (patch) | |
tree | 73da460ce6a9f196fc94d6ac2b197566c0bf4958 | |
parent | 113fb0ffaa802ebb0550d3f5829d18eea916cf10 (diff) | |
parent | 2187c0c3f3f4d0e03fdb13b8610bdc1d1006e017 (diff) | |
download | mariadb-git-24137ef26120c29263acda059d79e7c21fe59319.tar.gz |
merge
mysys/my_open.c:
Auto merged
sql/mysqld.cc:
Auto merged
sql/sql_class.cc:
Auto merged
BitKeeper/etc/logging_ok:
Logging to logging@openlogging.org accepted
-rw-r--r-- | BitKeeper/etc/logging_ok | 1 | ||||
-rw-r--r-- | Docs/manual.texi | 67 | ||||
-rw-r--r-- | sql/log.cc | 37 | ||||
-rw-r--r-- | sql/mysqld.cc | 2 | ||||
-rw-r--r-- | sql/sql_class.cc | 4 | ||||
-rw-r--r-- | sql/sql_class.h | 10 |
6 files changed, 92 insertions, 29 deletions
diff --git a/BitKeeper/etc/logging_ok b/BitKeeper/etc/logging_ok index 515e6acf07e..2fe7f501449 100644 --- a/BitKeeper/etc/logging_ok +++ b/BitKeeper/etc/logging_ok @@ -1,3 +1,4 @@ monty@donna.mysql.com sasha@mysql.sashanet.com serg@serg.mysql.com +monty@narttu.mysql.fi diff --git a/Docs/manual.texi b/Docs/manual.texi index 85a363fac5a..77699649cff 100644 --- a/Docs/manual.texi +++ b/Docs/manual.texi @@ -148,7 +148,8 @@ version see the relevant distribution. * Function Index:: SQL command, type and function index * Concept Index:: Concept Index -@detailmenu --- The Detailed Node Listing --- +@detailmenu + --- The Detailed Node Listing --- General Information About MySQL @@ -592,7 +593,7 @@ Speed of queries that access or update data MySQL Utilites * Programs:: What do the executables do? -* safe_mysqld:: safe_mysqld, the wrapper around mysqld +* safe_mysqld:: * mysql:: The command line tool * mysqladmin:: Administering a @strong{MySQL} server * mysqldump:: Dumping the structure and data from @strong{MySQL} databases and tables @@ -947,6 +948,7 @@ Changes in release 3.19.x MySQL and the future (The TODO) +* TODO MySQL 4.0:: * TODO future:: Things that must done in the very near future * TODO sometime:: Things that have to be done sometime * TODO unplanned:: Some things we don't have any plans to do @@ -42925,6 +42927,7 @@ For platform-specific bugs, see the sections about compiling and porting. @appendix MySQL and the future (The TODO) @menu +* TODO MySQL 4.0:: Things that should be in 4.0 * TODO future:: Things that must done in the very near future * TODO sometime:: Things that have to be done sometime * TODO unplanned:: Some things we don't have any plans to do @@ -42934,16 +42937,66 @@ Everything in this list is in the order it will be done. If you want to affect the priority order, please register a license or support us and tell us what you want to have done more quickly. @xref{Licensing and Support}. -@node TODO future, TODO sometime, TODO, TODO -@appendixsec Things that must done in the real near future +@node TODO MySQL 4.0, TODO future, TODO, TODO +@appendixsec Things that should be in 4.0 + +We plan to make @strong{MySQL} 4.0 a 'quick' release where we only add +some new stuff to enable others to help us with developing new features +into 4.1. The @strong{MySQL} 4.0 version should only take us about a +month to make after which we want to stabilize it and start working on +4.1. 4.0 should have the following new features: @itemize @bullet @item -Fail safe replication. +New table definition file format (@code{.frm} files) This will enable us +to not run out of bits when adding more table options. One will still +be able to use the old .frm file format with 4.0; All new created tables +will however use the new format. + +The new file format will enable us to add new column types, more options +for keys and @code{FOREIGN KEYS}. +@item +@code{mysqld} as a library. This will have the same interface as the +standard MySQL client (with an extra function to just set up startup +parameters) but will be faster (no TCP/IP or socket overhead), smaller +and much easer to use from embedded products. + +One will be able to define at link time if one wants to use the +client/server model or a stand-alone application just by defining which +library to link with. + +The @code{mysqld} will support all standard @strong{MySQL} features and +one can use it in a threaded client to run different queries in each +thread. +@item +Online backup with very low performance penalty. The online backup will +make it easy to add a new replication slave without taking down the +master. +@item +@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 deletes (cascading deletes) and multi table updates. @item -Optimize, test and document transactions safe tables (BDB tables) +Better replication. @item -Allow users to change startup options. +More functions for full text search. +@item +Character set casts and syntax for handling multiple character sets. +@item +Allow users to change startup options without taking down the server. +@item +Help for all commands from the client. +@item +Secure connections (with SSL). +@end itemize + +@node TODO future, TODO sometime, TODO MySQL 4.0, TODO +@appendixsec Things that must done in the real near future + +@itemize @bullet +@item +Fail safe replication. @item Subqueries. @code{select id from t where grp in (select grp from g where u > 100)} @item diff --git a/sql/log.cc b/sql/log.cc index 87b5d2362cf..c697ae276fc 100644 --- a/sql/log.cc +++ b/sql/log.cc @@ -156,7 +156,7 @@ void MYSQL_LOG::open(const char *log_name, enum_log_type log_type_arg, do_magic = ((log_type == LOG_BIN) && !my_stat(log_file_name, &tmp_stat, MYF(0))); - if ((file=my_open(log_file_name,O_APPEND | O_WRONLY | O_BINARY|O_CREAT, + if ((file=my_open(log_file_name,O_CREAT | O_APPEND | O_WRONLY | O_BINARY, MYF(MY_WME | ME_WAITTANG))) < 0 || init_io_cache(&log_file, file, IO_SIZE, WRITE_CACHE, my_tell(file,MYF(MY_WME)), 0, MYF(MY_WME | MY_NABP))) @@ -194,30 +194,39 @@ void MYSQL_LOG::open(const char *log_name, enum_log_type log_type_arg, } else if (log_type == LOG_BIN) { - // Explanation of the boolean black magic: - // - // if we are supposed to write magic number try write - // clean up if failed - // then if index_file has not been previously opened, try to open it - // clean up if failed - + /* + Explanation of the boolean black magic: + if we are supposed to write magic number try write + clean up if failed + then if index_file has not been previously opened, try to open it + clean up if failed + */ if ((do_magic && my_b_write(&log_file, (byte*) BINLOG_MAGIC, 4)) || (index_file < 0 && (index_file = my_open(index_file_name, - O_APPEND | O_BINARY | O_RDWR |O_CREAT, + O_APPEND | O_BINARY | O_RDWR | O_CREAT, MYF(MY_WME))) < 0)) goto err; Start_log_event s; + bool error; s.write(&log_file); flush_io_cache(&log_file); pthread_mutex_lock(&LOCK_index); - my_write(index_file, log_file_name,strlen(log_file_name), MYF(0)); - my_write(index_file, "\n",1, MYF(0)); + error=(my_write(index_file, log_file_name,strlen(log_file_name), + MYF(MY_NABP | MY_WME)) || + my_write(index_file, "\n", 1, MYF(MY_NABP | MY_WME))); pthread_mutex_unlock(&LOCK_index); + if (error) + { + my_close(index_file,MYF(0)); + index_file= -1; + goto err; + } } return; err: + sql_print_error("Could not use %s for logging (error %d)", log_name,errno); if (file >= 0) my_close(file,MYF(0)); end_io_cache(&log_file); @@ -411,7 +420,7 @@ int MYSQL_LOG::purge_logs(THD* thd, const char* to_log) #ifdef HAVE_FTRUNCATE if (ftruncate(index_file,0)) { - sql_print_error("Ouch! Could not truncate the binlog index file \ + sql_print_error("Could not truncate the binlog index file \ during log purge for write"); error = LOG_INFO_FATAL; goto err; @@ -421,10 +430,10 @@ during log purge for write"); my_close(index_file, MYF(MY_WME)); my_delete(index_file_name, MYF(MY_WME)); if(!(index_file = my_open(index_file_name, - O_BINARY | O_RDWR | O_APPEND |O_CREAT, + O_CREAT | O_BINARY | O_RDWR | O_APPEND, MYF(MY_WME)))) { - sql_print_error("Ouch! Could not re-open the binlog index file \ + sql_print_error("Could not re-open the binlog index file \ during log purge for write"); error = LOG_INFO_FATAL; goto err; diff --git a/sql/mysqld.cc b/sql/mysqld.cc index e82a7751b43..76728503b53 100644 --- a/sql/mysqld.cc +++ b/sql/mysqld.cc @@ -2313,7 +2313,7 @@ static struct option long_options[] = { (int) OPT_REPLICATE_REWRITE_DB}, {"safe-mode", no_argument, 0, (int) OPT_SAFE}, {"socket", required_argument, 0, (int) OPT_SOCKET}, - {"server-id", required_argument, 0, (int)OPT_SERVER_ID}, + {"server-id", required_argument, 0, (int)OPT_SERVER_ID}, {"set-variable", required_argument, 0, 'O'}, #ifdef HAVE_BERKELEY_DB {"skip-bdb", no_argument, 0, (int) OPT_BDB_SKIP}, diff --git a/sql/sql_class.cc b/sql/sql_class.cc index 1b84f07fd1a..5be12636bef 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -115,7 +115,7 @@ THD::THD() ull=0; system_thread=0; bzero((char*) &mem_root,sizeof(mem_root)); -#if defined(HAVE_BDB) || defined(HAVE_INNOBASE) || defined(HAVE_GEMENI) +#if defined(HAVE_BERKELEY_DB) || defined(HAVE_INNOBASE_DB) || defined(HAVE_GEMENI_DB) if (open_cached_file(&transactions.trans_log, mysql_tempdir,LOG_PREFIX,0,MYF(MY_WME))) killed=1; @@ -144,7 +144,7 @@ THD::~THD() close_thread_tables(this); } close_temporary_tables(this); -#if defined(HAVE_BDB) || defined(HAVE_INNOBASE) || defined(HAVE_GEMENI) +#if defined(HAVE_BERKELEY_DB) || defined(HAVE_INNOBASE_DB) || defined(HAVE_GEMENI_DB) close_cached_file(transactions.trans_log); #endif if (global_read_lock) diff --git a/sql/sql_class.h b/sql/sql_class.h index bc3681e3170..af5dcc65688 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -238,7 +238,7 @@ public: const char *where; char* last_nx_table; // last non-existent table, we need this for replication char* last_nx_db; // database of the last nx table - time_t start_time,time_after_lock; + time_t start_time,time_after_lock,user_time; time_t connect_time,thr_create_time; // track down slow pthread_create thr_lock_type update_lock_default; delayed_insert *di; @@ -266,7 +266,7 @@ public: char scramble[9]; bool set_query_id,locked,count_cuted_fields,some_tables_deleted; bool no_errors, allow_sum_func, password, fatal_error; - bool query_start_used,last_insert_id_used,insert_id_used,user_time; + bool query_start_used,last_insert_id_used,insert_id_used; bool volatile killed,bootstrap; bool system_thread,in_lock_tables,global_read_lock; bool query_error; @@ -278,9 +278,9 @@ public: ~THD(); bool store_globals(); inline time_t query_start() { query_start_used=1; return start_time; } - inline void set_time() { if (!user_time) time_after_lock=time(&start_time); } - inline void end_time() { if(!user_time) time(&start_time); } - inline void set_time(time_t t) { time_after_lock=start_time=t; user_time=1; } + inline void set_time() { if (user_time) start_time=time_after_lock=user_time; else time_after_lock=time(&start_time); } + inline void end_time() { time(&start_time); } + inline void set_time(time_t t) { time_after_lock=start_time=user_time=t; } inline void lock_time() { time(&time_after_lock); } inline void insert_id(ulonglong id) { last_insert_id=id; insert_id_used=1; } |