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authorunknown <serg@janus.mylan>2008-02-05 16:47:11 +0100
committerunknown <serg@janus.mylan>2008-02-05 16:47:11 +0100
commit2e6a7416cd570ef1b457bf1990cba552ff41075f (patch)
tree8a346992c123b9253e3b8c1f6b0ffc3952e0c569 /sql/set_var.cc
parent7e54b96791b7233896f73d05e79146a1c612bc9b (diff)
parentdf2cf8c78dc022472dd22584a140f579ad8cfe03 (diff)
downloadmariadb-git-2e6a7416cd570ef1b457bf1990cba552ff41075f.tar.gz
Merge janus.mylan:/usr/home/serg/Abk/mysql-5.1
into janus.mylan:/usr/home/serg/Abk/mysql-maria include/my_sys.h: Auto merged mysql-test/lib/mtr_cases.pl: Auto merged mysql-test/lib/mtr_misc.pl: Auto merged mysql-test/mysql-test-run.pl: Auto merged mysql-test/r/ps_2myisam.result: Auto merged mysql-test/r/ps_3innodb.result: Auto merged mysql-test/r/ps_4heap.result: Auto merged mysql-test/r/ps_5merge.result: Auto merged mysql-test/r/query_cache.result: Auto merged mysql-test/r/subselect.result: Auto merged mysql-test/r/view.result: Auto merged mysql-test/suite/binlog/r/binlog_unsafe.result: Auto merged mysql-test/suite/binlog/t/binlog_unsafe.test: Auto merged mysql-test/suite/ndb/r/ps_7ndb.result: Auto merged mysql-test/suite/rpl/r/rpl_switch_stm_row_mixed.result: Auto merged mysql-test/suite/rpl/t/rpl_insert.test: Auto merged mysql-test/suite/rpl/t/rpl_switch_stm_row_mixed.test: Auto merged mysql-test/t/disabled.def: Auto merged mysql-test/t/query_cache.test: Auto merged mysql-test/t/subselect.test: Auto merged mysql-test/t/view.test: Auto merged sql/field.h: Auto merged sql/filesort.cc: Auto merged sql/ha_partition.cc: Auto merged sql/handler.cc: Auto merged sql/item_func.cc: Auto merged sql/item_strfunc.h: Auto merged sql/log.cc: Auto merged sql/mysql_priv.h: Auto merged sql/opt_range.cc: Auto merged sql/set_var.cc: Auto merged sql/set_var.h: Auto merged sql/slave.cc: Auto merged sql/slave.h: Auto merged sql/sp_head.cc: Auto merged sql/sql_class.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_delete.cc: Auto merged sql/sql_insert.cc: Auto merged sql/sql_parse.cc: Auto merged sql/sql_show.cc: Auto merged sql/sql_table.cc: Auto merged sql/sql_union.cc: Auto merged sql/sql_update.cc: Auto merged sql/sql_yacc.yy: Auto merged sql/unireg.cc: Auto merged sql/share/errmsg.txt: Auto merged storage/myisam/ft_boolean_search.c: Auto merged storage/myisam/ha_myisam.cc: Auto merged storage/myisam/sort.c: Auto merged sql/log_event_old.h: SCCS merged BitKeeper/triggers/post-commit: merged client/mysqldump.c: merged configure.in: merged client/mysqltest.c: merged include/Makefile.am: merged include/atomic/nolock.h: merged mysql-test/lib/mtr_report.pl: merged sql/handler.h: merged sql/mysqld.cc: merged sql/sql_select.cc: merged
Diffstat (limited to 'sql/set_var.cc')
-rw-r--r--sql/set_var.cc100
1 files changed, 100 insertions, 0 deletions
diff --git a/sql/set_var.cc b/sql/set_var.cc
index 144abbb9a2d..fcdd36dc0f6 100644
--- a/sql/set_var.cc
+++ b/sql/set_var.cc
@@ -93,6 +93,16 @@ TYPELIB delay_key_write_typelib=
delay_key_write_type_names, NULL
};
+const char *slave_exec_mode_names[]=
+{ "STRICT", "IDEMPOTENT", NullS };
+static const unsigned int slave_exec_mode_names_len[]=
+{ sizeof("STRICT") - 1, sizeof("IDEMPOTENT") - 1, 0 };
+TYPELIB slave_exec_mode_typelib=
+{
+ array_elements(slave_exec_mode_names)-1, "",
+ slave_exec_mode_names, (unsigned int *) slave_exec_mode_names_len
+};
+
static int sys_check_ftb_syntax(THD *thd, set_var *var);
static bool sys_update_ftb_syntax(THD *thd, set_var * var);
static void sys_default_ftb_syntax(THD *thd, enum_var_type type);
@@ -417,6 +427,11 @@ static sys_var_const_str_ptr sys_secure_file_priv(&vars, "secure_file_priv",
static sys_var_long_ptr sys_server_id(&vars, "server_id", &server_id, fix_server_id);
static sys_var_bool_ptr sys_slave_compressed_protocol(&vars, "slave_compressed_protocol",
&opt_slave_compressed_protocol);
+static sys_var_set_slave_mode slave_exec_mode(&vars,
+ "slave_exec_mode",
+ &slave_exec_mode_options,
+ &slave_exec_mode_typelib,
+ 0);
static sys_var_long_ptr sys_slow_launch_time(&vars, "slow_launch_time",
&slow_launch_time);
static sys_var_thd_ulong sys_sort_buffer(&vars, "sort_buffer_size",
@@ -1003,6 +1018,79 @@ extern void fix_delay_key_write(THD *thd, enum_var_type type)
}
}
+bool sys_var_set::update(THD *thd, set_var *var)
+{
+ *value= var->save_result.ulong_value;
+ return 0;
+};
+
+uchar *sys_var_set::value_ptr(THD *thd, enum_var_type type,
+ LEX_STRING *base)
+{
+ char buff[256];
+ String tmp(buff, sizeof(buff), &my_charset_latin1);
+ ulong length;
+ ulong val= *value;
+
+ tmp.length(0);
+ for (uint i= 0; val; val>>= 1, i++)
+ {
+ if (val & 1)
+ {
+ tmp.append(enum_names->type_names[i],
+ enum_names->type_lengths[i]);
+ tmp.append(',');
+ }
+ }
+
+ if ((length= tmp.length()))
+ length--;
+ return (uchar*) thd->strmake(tmp.ptr(), length);
+}
+
+void sys_var_set_slave_mode::set_default(THD *thd, enum_var_type type)
+{
+ slave_exec_mode_options= 0;
+ bit_do_set(slave_exec_mode_options, SLAVE_EXEC_MODE_STRICT);
+}
+
+bool sys_var_set_slave_mode::check(THD *thd, set_var *var)
+{
+ bool rc= sys_var_set::check(thd, var);
+ if (!rc &&
+ bit_is_set(var->save_result.ulong_value, SLAVE_EXEC_MODE_STRICT) == 1 &&
+ bit_is_set(var->save_result.ulong_value, SLAVE_EXEC_MODE_IDEMPOTENT) == 1)
+ {
+ rc= true;
+ my_error(ER_SLAVE_AMBIGOUS_EXEC_MODE, MYF(0), "");
+ }
+ return rc;
+}
+
+bool sys_var_set_slave_mode::update(THD *thd, set_var *var)
+{
+ bool rc;
+ pthread_mutex_lock(&LOCK_global_system_variables);
+ rc= sys_var_set::update(thd, var);
+ pthread_mutex_unlock(&LOCK_global_system_variables);
+ return rc;
+}
+
+void fix_slave_exec_mode(enum_var_type type)
+{
+ DBUG_ENTER("fix_slave_exec_mode");
+ compile_time_assert(sizeof(slave_exec_mode_options) * CHAR_BIT
+ > SLAVE_EXEC_MODE_LAST_BIT - 1);
+ if (bit_is_set(slave_exec_mode_options, SLAVE_EXEC_MODE_STRICT) == 1 &&
+ bit_is_set(slave_exec_mode_options, SLAVE_EXEC_MODE_IDEMPOTENT) == 1)
+ {
+ sql_print_error("Ambiguous slave modes combination."
+ " STRICT will be used");
+ bit_do_clear(slave_exec_mode_options, SLAVE_EXEC_MODE_IDEMPOTENT);
+ }
+ if (bit_is_set(slave_exec_mode_options, SLAVE_EXEC_MODE_IDEMPOTENT) == 0)
+ bit_do_set(slave_exec_mode_options, SLAVE_EXEC_MODE_STRICT);
+}
bool sys_var_thd_binlog_format::is_readonly() const
{
@@ -1116,6 +1204,7 @@ static void fix_trans_mem_root(THD *thd, enum_var_type type)
static void fix_server_id(THD *thd, enum_var_type type)
{
server_id_supplied = 1;
+ thd->server_id= server_id;
}
@@ -3280,7 +3369,18 @@ int set_var::light_check(THD *thd)
return 0;
}
+/**
+ Update variable
+ @param thd thread handler
+ @returns 0|1 ok or ERROR
+
+ @note ERROR can be only due to abnormal operations involving
+ the server's execution evironment such as
+ out of memory, hard disk failure or the computer blows up.
+ Consider set_var::check() method if there is a need to return
+ an error due to logics.
+*/
int set_var::update(THD *thd)
{
if (!value)