mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 03:52:35 +01:00
189 lines
4.6 KiB
Text
189 lines
4.6 KiB
Text
drop table if exists t1;
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set sql_mode="";
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flush status;
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show status like "feature%";
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Variable_name Value
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Feature_application_time_periods 0
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Feature_check_constraint 0
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Feature_custom_aggregate_functions 0
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Feature_delay_key_write 0
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Feature_dynamic_columns 0
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Feature_fulltext 0
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Feature_gis 0
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Feature_insert_returning 0
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Feature_invisible_columns 0
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Feature_json 0
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Feature_locale 0
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Feature_subquery 0
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Feature_system_versioning 0
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Feature_timezone 0
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Feature_trigger 0
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Feature_window_functions 0
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Feature_xml 0
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#
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# Feature GIS
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#
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CREATE TABLE t1 (g POINT);
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SHOW FIELDS FROM t1;
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Field Type Null Key Default Extra
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g point YES NULL
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INSERT INTO t1 VALUES
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(PointFromText('POINT(10 10)')),
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(PointFromText('POINT(20 10)')),
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(PointFromText('POINT(20 20)')),
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(PointFromWKB(AsWKB(PointFromText('POINT(10 20)'))));
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drop table t1;
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show status like "feature_gis";
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Variable_name Value
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Feature_gis 3
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#
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# Feature dynamic columns
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#
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set @a= COLUMN_CREATE(1, 1212 AS int);
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set @b= column_add(@a, 2, 1212 as integer);
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select column_get(@b, 2 as integer);
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column_get(@b, 2 as integer)
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1212
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show status like "feature_dynamic_columns";
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Variable_name Value
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Feature_dynamic_columns 2
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#
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# Feature fulltext
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#
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CREATE TABLE t1 (a VARCHAR(200), b TEXT, FULLTEXT (a,b)) engine=myisam;
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INSERT INTO t1 VALUES('MySQL has now support', 'for full-text search'),
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('Full-text indexes', 'are called collections'),
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('Only MyISAM tables','support collections'),
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('Function MATCH ... AGAINST()','is used to do a search'),
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('Full-text search in MySQL', 'implements vector space model');
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select * from t1 where MATCH(a,b) AGAINST ("collections");
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a b
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Only MyISAM tables support collections
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Full-text indexes are called collections
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select * from t1 where MATCH(a,b) AGAINST ("indexes");
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a b
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Full-text indexes are called collections
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drop table t1;
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show status like "feature_fulltext";
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Variable_name Value
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Feature_fulltext 2
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#
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# Feature locale
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#
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SET lc_messages=sr_RS;
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SET lc_messages=en_US;
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show status like "feature_locale";
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Variable_name Value
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Feature_locale 2
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#
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# Feature subquery
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#
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select (select 2);
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(select 2)
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2
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SELECT (SELECT 1) UNION SELECT (SELECT 2);
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(SELECT 1)
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1
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2
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create table t1 (a int);
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insert into t1 values (2);
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select (select a from t1 where t1.a=t2.a), a from t1 as t2;
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(select a from t1 where t1.a=t2.a) a
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2 2
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drop table t1;
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show status like "feature_subquery";
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Variable_name Value
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Feature_subquery 4
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#
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# Feature timezone
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#
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SELECT FROM_UNIXTIME(unix_timestamp()) > "1970-01-01";
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FROM_UNIXTIME(unix_timestamp()) > "1970-01-01"
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1
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set time_zone="+03:00";
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SELECT FROM_UNIXTIME(unix_timestamp()) > "1970-01-01";
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FROM_UNIXTIME(unix_timestamp()) > "1970-01-01"
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1
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set time_zone= @@global.time_zone;
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show status like "feature_timezone";
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Variable_name Value
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Feature_timezone 1
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#
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# Feature triggers
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#
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create table t1 (i int);
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# let us test some very simple trigger
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create trigger trg before insert on t1 for each row set @a:=1;
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set @a:=0;
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select @a;
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@a
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0
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insert into t1 values (1),(2);
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select @a;
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@a
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1
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SHOW TRIGGERS IN test like 't1';
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Trigger Event Table Statement Timing Created sql_mode Definer character_set_client collation_connection Database Collation
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trg INSERT t1 set @a:=1 BEFORE # root@localhost latin1 latin1_swedish_ci latin1_swedish_ci
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drop trigger trg;
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drop table t1;
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show status like "%trigger%";
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Variable_name Value
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Binlog_group_commit_trigger_count 0
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Binlog_group_commit_trigger_lock_wait 0
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Binlog_group_commit_trigger_timeout 0
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Com_create_trigger 1
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Com_drop_trigger 1
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Com_show_create_trigger 0
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Com_show_triggers 1
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Executed_triggers 2
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Feature_trigger 2
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#
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# Feature xml
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#
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SET @xml='<a aa1="aa1" aa2="aa2">a1<b ba1="ba1">b1<c>c1</c>b2</b>a2</a>';
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SELECT extractValue(@xml,'/a');
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extractValue(@xml,'/a')
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a1 a2
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select updatexml('<div><div><span>1</span><span>2</span></div></div>',
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'/','<tr><td>1</td><td>2</td></tr>') as upd1;
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upd1
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<tr><td>1</td><td>2</td></tr>
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show status like "feature_xml";
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Variable_name Value
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Feature_xml 2
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#
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# Feature delayed_keys
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#
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create table t1 (a int, key(a)) engine=myisam delay_key_write=1;
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insert into t1 values(1);
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insert into t1 values(2);
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drop table t1;
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create table t1 (a int, key(a)) engine=aria delay_key_write=1;
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insert into t1 values(1);
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insert into t1 values(2);
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drop table t1;
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show status like "feature_delay_key_write";
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Variable_name Value
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Feature_delay_key_write 2
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#
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# Feature CHECK CONSTRAINT
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#
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create table t1 (a int check (a > 5));
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create table t2 (b int, constraint foo check (b < 10));
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drop table t1, t2;
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show status like "feature_check_constraint";
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Variable_name Value
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Feature_check_constraint 2
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#
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# Feature insert...returning
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#
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create table t1(id1 int);
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insert into t1 values (1),(2) returning *;
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id1
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1
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2
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drop table t1;
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show status like "feature_insert_returning";
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Variable_name Value
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Feature_insert_returning 1
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