diff options
Diffstat (limited to 'sql/set_var.cc')
-rw-r--r-- | sql/set_var.cc | 238 |
1 files changed, 213 insertions, 25 deletions
diff --git a/sql/set_var.cc b/sql/set_var.cc index 811c700d527..614d615e37b 100644 --- a/sql/set_var.cc +++ b/sql/set_var.cc @@ -183,7 +183,7 @@ sys_var_key_cache_long sys_key_cache_age_threshold("key_cache_age_threshold", param_age_threshold)); sys_var_bool_ptr sys_local_infile("local_infile", &opt_local_infile); -sys_var_thd_bool sys_log_warnings("log_warnings", &SV::log_warnings); +sys_var_thd_ulong sys_log_warnings("log_warnings", &SV::log_warnings); sys_var_thd_ulong sys_long_query_time("long_query_time", &SV::long_query_time); sys_var_thd_bool sys_low_priority_updates("low_priority_updates", @@ -330,6 +330,10 @@ sys_var_thd_table_type sys_table_type("table_type", &SV::table_type); sys_var_thd_storage_engine sys_storage_engine("storage_engine", &SV::table_type); +#ifdef HAVE_REPLICATION +sys_var_sync_binlog_period sys_sync_binlog_period("sync_binlog", &sync_binlog_period); +#endif +sys_var_bool_ptr sys_sync_frm("sync_frm", &opt_sync_frm); sys_var_long_ptr sys_table_cache_size("table_cache", &table_cache_size); sys_var_long_ptr sys_thread_cache_size("thread_cache_size", @@ -352,13 +356,13 @@ sys_var_long_ptr sys_innodb_max_dirty_pages_pct("innodb_max_dirty_pages_p sys_var_thd_date_time_format sys_time_format("time_format", &SV::time_format, - TIMESTAMP_TIME); + MYSQL_TIMESTAMP_TIME); sys_var_thd_date_time_format sys_date_format("date_format", &SV::date_format, - TIMESTAMP_DATE); + MYSQL_TIMESTAMP_DATE); sys_var_thd_date_time_format sys_datetime_format("datetime_format", &SV::datetime_format, - TIMESTAMP_DATETIME); + MYSQL_TIMESTAMP_DATETIME); /* Variables that are bits in THD */ @@ -442,6 +446,7 @@ static sys_var_thd_ulong sys_default_week_format("default_week_format", sys_var_thd_ulong sys_group_concat_max_len("group_concat_max_len", &SV::group_concat_max_len); +sys_var_thd_time_zone sys_time_zone("time_zone"); /* Read only variables */ @@ -580,11 +585,16 @@ sys_var *sys_variables[]= &sys_sql_mode, &sys_sql_warnings, &sys_storage_engine, +#ifdef HAVE_REPLICATION + &sys_sync_binlog_period, +#endif + &sys_sync_frm, &sys_table_cache_size, &sys_table_type, &sys_thread_cache_size, &sys_time_format, &sys_timestamp, + &sys_time_zone, &sys_tmp_table_size, &sys_trans_alloc_block_size, &sys_trans_prealloc_size, @@ -645,15 +655,18 @@ struct show_var_st init_vars[]= { {"ft_query_expansion_limit",(char*) &ft_query_expansion_limit, SHOW_LONG}, {"ft_stopword_file", (char*) &ft_stopword_file, SHOW_CHAR_PTR}, {sys_group_concat_max_len.name, (char*) &sys_group_concat_max_len, SHOW_SYS}, + {"have_archive", (char*) &have_archive_db, SHOW_HAVE}, {"have_bdb", (char*) &have_berkeley_db, SHOW_HAVE}, {"have_compress", (char*) &have_compress, SHOW_HAVE}, {"have_crypt", (char*) &have_crypt, SHOW_HAVE}, {"have_innodb", (char*) &have_innodb, SHOW_HAVE}, {"have_isam", (char*) &have_isam, SHOW_HAVE}, + {"have_geometry", (char*) &have_geometry, SHOW_HAVE}, {"have_ndbcluster", (char*) &have_ndbcluster, SHOW_HAVE}, {"have_openssl", (char*) &have_openssl, SHOW_HAVE}, {"have_query_cache", (char*) &have_query_cache, SHOW_HAVE}, {"have_raid", (char*) &have_raid, SHOW_HAVE}, + {"have_rtree_keys", (char*) &have_rtree_keys, SHOW_HAVE}, {"have_symlink", (char*) &have_symlink, SHOW_HAVE}, {"init_connect", (char*) &sys_init_connect, SHOW_SYS}, {"init_file", (char*) &opt_init_file, SHOW_CHAR_PTR}, @@ -796,6 +809,10 @@ struct show_var_st init_vars[]= { {sys_sort_buffer.name, (char*) &sys_sort_buffer, SHOW_SYS}, {sys_sql_mode.name, (char*) &sys_sql_mode, SHOW_SYS}, {sys_storage_engine.name, (char*) &sys_storage_engine, SHOW_SYS}, +#ifdef HAVE_REPLICATION + {sys_sync_binlog_period.name,(char*) &sys_sync_binlog_period, SHOW_SYS}, +#endif + {sys_sync_frm.name, (char*) &sys_sync_frm, SHOW_SYS}, {"table_cache", (char*) &table_cache_size, SHOW_LONG}, {sys_table_type.name, (char*) &sys_table_type, SHOW_SYS}, {sys_thread_cache_size.name,(char*) &sys_thread_cache_size, SHOW_SYS}, @@ -805,8 +822,9 @@ struct show_var_st init_vars[]= { {"thread_stack", (char*) &thread_stack, SHOW_LONG}, {sys_time_format.name, (char*) &sys_time_format, SHOW_SYS}, #ifdef HAVE_TZNAME - {"timezone", time_zone, SHOW_CHAR}, + {"system_time_zone", system_time_zone, SHOW_CHAR}, #endif + {"time_zone", (char*) &sys_time_zone, SHOW_SYS}, {sys_tmp_table_size.name, (char*) &sys_tmp_table_size, SHOW_SYS}, {"tmpdir", (char*) &opt_mysql_tmpdir, SHOW_CHAR_PTR}, {sys_trans_alloc_block_size.name, (char*) &sys_trans_alloc_block_size, @@ -1719,19 +1737,31 @@ CHARSET_INFO *get_old_charset_by_name(const char *name) bool sys_var_collation::check(THD *thd, set_var *var) { CHARSET_INFO *tmp; - char buff[80]; - String str(buff,sizeof(buff), system_charset_info), *res; - if (!(res=var->value->val_str(&str))) + if (var->value->result_type() == STRING_RESULT) { - my_error(ER_WRONG_VALUE_FOR_VAR, MYF(0), name, "NULL"); - return 1; + char buff[80]; + String str(buff,sizeof(buff), system_charset_info), *res; + if (!(res=var->value->val_str(&str))) + { + my_error(ER_WRONG_VALUE_FOR_VAR, MYF(0), name, "NULL"); + return 1; + } + if (!(tmp=get_charset_by_name(res->c_ptr(),MYF(0)))) + { + my_error(ER_UNKNOWN_COLLATION, MYF(0), res->c_ptr()); + return 1; + } } - - if (!(tmp=get_charset_by_name(res->c_ptr(),MYF(0)))) + else // INT_RESULT { - my_error(ER_UNKNOWN_COLLATION, MYF(0), res->c_ptr()); - return 1; + if (!(tmp=get_charset(var->value->val_int(),MYF(0)))) + { + char buf[20]; + int10_to_str(var->value->val_int(), buf, -10); + my_error(ER_UNKNOWN_COLLATION, MYF(0), buf); + return 1; + } } var->save_result.charset= tmp; // Save for update return 0; @@ -1741,23 +1771,36 @@ bool sys_var_collation::check(THD *thd, set_var *var) bool sys_var_character_set::check(THD *thd, set_var *var) { CHARSET_INFO *tmp; - char buff[80]; - String str(buff,sizeof(buff), system_charset_info), *res; - if (!(res=var->value->val_str(&str))) - { - if (!nullable) + if (var->value->result_type() == STRING_RESULT) + { + char buff[80]; + String str(buff,sizeof(buff), system_charset_info), *res; + if (!(res=var->value->val_str(&str))) { - my_error(ER_WRONG_VALUE_FOR_VAR, MYF(0), name, "NULL"); + if (!nullable) + { + my_error(ER_WRONG_VALUE_FOR_VAR, MYF(0), name, "NULL"); + return 1; + } + tmp= NULL; + } + else if (!(tmp=get_charset_by_csname(res->c_ptr(),MY_CS_PRIMARY,MYF(0))) && + !(tmp=get_old_charset_by_name(res->c_ptr()))) + { + my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), res->c_ptr()); return 1; } - tmp= NULL; } - else if (!(tmp=get_charset_by_csname(res->c_ptr(),MY_CS_PRIMARY,MYF(0))) && - !(tmp=get_old_charset_by_name(res->c_ptr()))) + else // INT_RESULT { - my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), res->c_ptr()); - return 1; + if (!(tmp=get_charset(var->value->val_int(),MYF(0)))) + { + char buf[20]; + int10_to_str(var->value->val_int(), buf, -10); + my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), buf); + return 1; + } } var->save_result.charset= tmp; // Save for update return 0; @@ -1870,6 +1913,20 @@ void sys_var_character_set_server::set_default(THD *thd, enum_var_type type) } } +#if defined(HAVE_REPLICATION) && (MYSQL_VERSION_ID < 50000) +bool sys_var_character_set_server::check(THD *thd, set_var *var) +{ + if ((var->type == OPT_GLOBAL) && + (mysql_bin_log.is_open() || + active_mi->slave_running || active_mi->rli.slave_running)) + { + my_printf_error(0, "Binary logging and replication forbid changing \ +the global server character set or collation", MYF(0)); + return 1; + } + return sys_var_character_set::check(thd,var); +} +#endif CHARSET_INFO ** sys_var_character_set_database::ci_ptr(THD *thd, enum_var_type type) @@ -1963,6 +2020,20 @@ void sys_var_collation_database::set_default(THD *thd, enum_var_type type) } } +#if defined(HAVE_REPLICATION) && (MYSQL_VERSION_ID < 50000) +bool sys_var_collation_server::check(THD *thd, set_var *var) +{ + if ((var->type == OPT_GLOBAL) && + (mysql_bin_log.is_open() || + active_mi->slave_running || active_mi->rli.slave_running)) + { + my_printf_error(0, "Binary logging and replication forbid changing \ +the global server character set or collation", MYF(0)); + return 1; + } + return sys_var_collation::check(thd,var); +} +#endif bool sys_var_collation_server::update(THD *thd, set_var *var) { @@ -2264,6 +2335,22 @@ bool sys_var_slave_skip_counter::update(THD *thd, set_var *var) pthread_mutex_unlock(&LOCK_active_mi); return 0; } + + +bool sys_var_sync_binlog_period::update(THD *thd, set_var *var) +{ + pthread_mutex_t *lock_log= mysql_bin_log.get_log_lock(); + sync_binlog_period= var->save_result.ulong_value; + /* + Must reset the counter otherwise it may already be beyond the new period + and so the new period will not be taken into account. Need mutex otherwise + might be cancelled by a simultanate ++ in MYSQL_LOG::write(). + */ + pthread_mutex_lock(lock_log); + sync_binlog_counter= 0; + pthread_mutex_unlock(lock_log); + return 0; +} #endif /* HAVE_REPLICATION */ bool sys_var_rand_seed1::update(THD *thd, set_var *var) @@ -2279,6 +2366,77 @@ bool sys_var_rand_seed2::update(THD *thd, set_var *var) } +bool sys_var_thd_time_zone::check(THD *thd, set_var *var) +{ + char buff[MAX_TIME_ZONE_NAME_LENGTH]; + String str(buff, sizeof(buff), &my_charset_latin1); + String *res= var->value->val_str(&str); + +#if defined(HAVE_REPLICATION) && (MYSQL_VERSION_ID < 50000) + if ((var->type == OPT_GLOBAL) && + (mysql_bin_log.is_open() || + active_mi->slave_running || active_mi->rli.slave_running)) + { + my_printf_error(0, "Binary logging and replication forbid changing " + "of the global server time zone", MYF(0)); + return 1; + } +#endif + + if (!(var->save_result.time_zone= my_tz_find(thd, res))) + { + my_error(ER_UNKNOWN_TIME_ZONE, MYF(0), res ? res->c_ptr() : "NULL"); + return 1; + } + return 0; +} + + +bool sys_var_thd_time_zone::update(THD *thd, set_var *var) +{ + /* We are using Time_zone object found during check() phase */ + *get_tz_ptr(thd,var->type)= var->save_result.time_zone; + return 0; +} + + +byte *sys_var_thd_time_zone::value_ptr(THD *thd, enum_var_type type, + LEX_STRING *base) +{ + /* + We can use ptr() instead of c_ptr() here because String contaning + time zone name is guaranteed to be zero ended. + */ + return (byte *)((*get_tz_ptr(thd,type))->get_name()->ptr()); +} + + +Time_zone** sys_var_thd_time_zone::get_tz_ptr(THD *thd, + enum_var_type type) +{ + if (type == OPT_GLOBAL) + return &global_system_variables.time_zone; + else + return &thd->variables.time_zone; +} + + +void sys_var_thd_time_zone::set_default(THD *thd, enum_var_type type) +{ + if (type == OPT_GLOBAL) + { + if (default_tz_name) + { + String str(default_tz_name, &my_charset_latin1); + global_system_variables.time_zone= my_tz_find(thd, &str); + } + else + global_system_variables.time_zone= my_tz_SYSTEM; + } + else + thd->variables.time_zone= global_system_variables.time_zone; +} + /* Functions to update thd->options bits */ @@ -2559,6 +2717,36 @@ int sql_set_variables(THD *thd, List<set_var_base> *var_list) } +/* + Say if all variables set by a SET support the ONE_SHOT keyword (currently, + only character set and collation do; later timezones will). + + SYNOPSIS + + not_all_support_one_shot + set_var List of variables to update + + NOTES + It has a "not_" because it makes faster tests (no need to "!") + + RETURN VALUE + 0 all variables of the list support ONE_SHOT + 1 at least one does not support ONE_SHOT +*/ + +bool not_all_support_one_shot(List<set_var_base> *var_list) +{ + List_iterator_fast<set_var_base> it(*var_list); + set_var_base *var; + while ((var= it++)) + { + if (var->no_support_one_shot()) + return 1; + } + return 0; +} + + /***************************************************************************** Functions to handle SET mysql_internal_variable=const_expr *****************************************************************************/ |