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0594e1b84b
this is a cleanup patch for our current auto_increment handling: new names for auto_increment variables in THD, new methods to manipulate them (see sql_class.h), some move into handler::, causing less backup/restore work when executing substatements. This makes the logic hopefully clearer, less work is is needed in mysql_insert(). By cleaning up, using different variables for different purposes (instead of one for 3 things...), we fix those bugs, which someone may want to fix in 5.0 too: BUG#20339 "stored procedure using LAST_INSERT_ID() does not replicate statement-based" BUG#20341 "stored function inserting into one auto_increment puts bad data in slave" BUG#19243 "wrong LAST_INSERT_ID() after ON DUPLICATE KEY UPDATE" (now if a row is updated, LAST_INSERT_ID() will return its id) and re-fixes: BUG#6880 "LAST_INSERT_ID() value changes during multi-row INSERT" (already fixed differently by Ramil in 4.1) Test of documented behaviour of mysql_insert_id() (there was no test). The behaviour changes introduced are: - LAST_INSERT_ID() now returns "the first autogenerated auto_increment value successfully inserted", instead of "the first autogenerated auto_increment value if any row was successfully inserted", see auto_increment.test. Same for mysql_insert_id(), see mysql_client_test.c. - LAST_INSERT_ID() returns the id of the updated row if ON DUPLICATE KEY UPDATE, see auto_increment.test. Same for mysql_insert_id(), see mysql_client_test.c. - LAST_INSERT_ID() does not change if no autogenerated value was successfully inserted (it used to then be 0), see auto_increment.test. - if in INSERT SELECT no autogenerated value was successfully inserted, mysql_insert_id() now returns the id of the last inserted row (it already did this for INSERT VALUES), see mysql_client_test.c. - if INSERT SELECT uses LAST_INSERT_ID(X), mysql_insert_id() now returns X (it already did this for INSERT VALUES), see mysql_client_test.c. - NDB now behaves like other engines wrt SET INSERT_ID: with INSERT IGNORE, the id passed in SET INSERT_ID is re-used until a row succeeds; SET INSERT_ID influences not only the first row now. Additionally, when unlocking a table we check that the thread is not keeping a next_insert_id (as the table is unlocked that id is potentially out-of-date); forgetting about this next_insert_id is done in a new handler::ha_release_auto_increment(). Finally we prepare for engines capable of reserving finite-length intervals of auto_increment values: we store such intervals in THD. The next step (to be done by the replication team in 5.1) is to read those intervals from THD and actually store them in the statement-based binary log. NDB will be a good engine to test that.
243 lines
7.4 KiB
Text
243 lines
7.4 KiB
Text
#
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# Test of refering to old values
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#
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--disable_warnings
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drop table if exists t1,t2,t3;
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--enable_warnings
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create table t1 (a int not null);
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insert into t1 values (1);
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insert into t1 values (a+2);
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insert into t1 values (a+3),(a+4);
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insert into t1 values (5),(a+6);
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select * from t1;
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drop table t1;
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#
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# Test of duplicate key values with packed keys
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#
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create table t1 (id int not null auto_increment primary key, username varchar(32) not null, unique (username));
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insert into t1 values (0,"mysql");
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insert into t1 values (0,"mysql ab");
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insert into t1 values (0,"mysql a");
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insert into t1 values (0,"r1manic");
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insert into t1 values (0,"r1man");
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drop table t1;
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#
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# Test insert syntax
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#
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create table t1 (a int not null auto_increment, primary key (a), t timestamp, c char(10) default "hello", i int);
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insert into t1 values (default,default,default,default), (default,default,default,default), (4,0,"a",5),(default,default,default,default);
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select a,t>0,c,i from t1;
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truncate table t1;
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insert into t1 set a=default,t=default,c=default;
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insert into t1 set a=default,t=default,c=default,i=default;
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insert into t1 set a=4,t=0,c="a",i=5;
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insert into t1 set a=5,t=0,c="a",i=null;
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insert into t1 set a=default,t=default,c=default,i=default;
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select a,t>0,c,i from t1;
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drop table t1;
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#
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# Test problem with bulk insert and auto_increment on second part keys
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#
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create table t1 (sid char(20), id int(2) NOT NULL auto_increment, key(sid, id));
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insert into t1 values ('skr',NULL),('skr',NULL),('test',NULL);
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select * from t1;
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insert into t1 values ('rts',NULL),('rts',NULL),('test',NULL);
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select * from t1;
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drop table t1;
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#
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#Test of behaviour with INSERT VALUES (NULL)
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#
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create table t1 (id int NOT NULL DEFAULT 8);
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-- error 1048
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insert into t1 values(NULL);
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insert into t1 values (1), (NULL), (2);
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select * from t1;
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drop table t1;
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#
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# Test if insert ... select distinct
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#
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create table t1 (email varchar(50));
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insert into t1 values ('sasha@mysql.com'),('monty@mysql.com'),('foo@hotmail.com'),('foo@aol.com'),('bar@aol.com');
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create table t2(id int not null auto_increment primary key, t2 varchar(50), unique(t2));
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insert delayed into t2 (t2) select distinct substring(email, locate('@', email)+1) from t1;
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select * from t2;
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drop table t1,t2;
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#
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# Test of mysqld crash with fully qualified column names
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#
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--disable_warnings
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drop database if exists mysqltest;
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--enable_warnings
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create database mysqltest;
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use mysqltest;
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create table t1 (c int);
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insert into mysqltest.t1 set mysqltest.t1.c = '1';
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drop database mysqltest;
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use test;
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#
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# Test of wrong values for float data (bug #2082)
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#
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# PS gives sligthly different numbers for max-float/max-double
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--disable_ps_protocol
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create table t1(number int auto_increment primary key, original_value varchar(50), f_double double, f_float float, f_double_7_2 double(7,2), f_float_4_3 float (4,3), f_double_u double unsigned, f_float_u float unsigned, f_double_15_1_u double(15,1) unsigned, f_float_3_1_u float (3,1) unsigned);
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set @value= "aa";
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insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
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--query_vertical select * from t1 where number =last_insert_id()
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set @value= "1aa";
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insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
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--query_vertical select * from t1 where number =last_insert_id()
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set @value= "aa1";
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insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
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--query_vertical select * from t1 where number =last_insert_id()
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set @value= "1e+1111111111a";
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insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
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--query_vertical select * from t1 where number =last_insert_id()
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set @value= "-1e+1111111111a";
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insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
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--query_vertical select * from t1 where number =last_insert_id()
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--error 1367
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set @value= 1e+1111111111;
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--error 1367
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set @value= -1e+1111111111;
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set @value= 1e+111;
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insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
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--query_vertical select * from t1 where number =last_insert_id()
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set @value= -1e+111;
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insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
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--query_vertical select * from t1 where number =last_insert_id()
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set @value= 1;
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insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
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--query_vertical select * from t1 where number =last_insert_id()
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set @value= -1;
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insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
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--query_vertical select * from t1 where number =last_insert_id()
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drop table t1;
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--enable_ps_protocol
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# End of 4.1 tests
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#
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# Test automatic result buffering with INSERT INTO t1 ... SELECT ... FROM t1
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#
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create table t1(id1 int not null auto_increment primary key, t char(12));
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create table t2(id2 int not null, t char(12));
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create table t3(id3 int not null, t char(12), index(id3));
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disable_query_log;
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let $1 = 100;
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while ($1)
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{
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let $2 = 5;
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eval insert into t1(t) values ('$1');
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while ($2)
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{
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eval insert into t2(id2,t) values ($1,'$2');
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let $3 = 10;
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while ($3)
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{
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eval insert into t3(id3,t) values ($1,'$2');
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dec $3;
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}
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dec $2;
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}
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dec $1;
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}
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enable_query_log;
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select count(*) from t2;
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insert into t2 select t1.* from t1, t2 t, t3 where t1.id1 = t.id2 and t.id2 = t3.id3;
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select count(*) from t2;
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drop table t1,t2,t3;
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#
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# Test different cases of duplicate fields
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#
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create table t1 (a int, b int);
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insert into t1 (a,b) values (a,b);
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insert into t1 SET a=1, b=a+1;
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insert into t1 (a,b) select 1,2;
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INSERT INTO t1 ( a ) SELECT 0 ON DUPLICATE KEY UPDATE a = a + VALUES (a);
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prepare stmt1 from ' replace into t1 (a,a) select 100, ''hundred'' ';
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--error 1110
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execute stmt1;
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--error 1110
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insert into t1 (a,b,b) values (1,1,1);
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--error 1136
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insert into t1 (a,a) values (1,1,1);
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--error 1110
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insert into t1 (a,a) values (1,1);
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--error 1110
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insert into t1 SET a=1,b=2,a=1;
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--error 1110
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insert into t1 (b,b) select 1,2;
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--error 1110
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INSERT INTO t1 (b,b) SELECT 0,0 ON DUPLICATE KEY UPDATE a = a + VALUES (a);
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drop table t1;
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# Test for INSERT DELAYED INTO a <view>
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# BUG#13683: INSERT DELAYED into a view creates an infinite loop
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#
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create table t1 (n int);
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create view v1 as select * from t1;
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--error 1347
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insert delayed into v1 values (1);
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drop table t1;
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drop view v1;
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#
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# Test for values returned by ROW_COUNT() function
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# (and thus for values returned by mysql_affected_rows())
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# for various forms of INSERT
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#
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create table t1 (id int primary key, data int);
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insert into t1 values (1, 1), (2, 2), (3, 3);
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select row_count();
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insert ignore into t1 values (1, 1);
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select row_count();
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# Reports that 2 rows are affected (1 deleted + 1 inserted)
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replace into t1 values (1, 11);
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select row_count();
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replace into t1 values (4, 4);
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select row_count();
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# Reports that 2 rows are affected. This conforms to documentation.
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# (Useful for differentiating inserts from updates).
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insert into t1 values (2, 2) on duplicate key update data= data + 10;
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select row_count();
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insert into t1 values (5, 5) on duplicate key update data= data + 10;
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select row_count();
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drop table t1;
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# Test of INSERT IGNORE and re-using auto_increment values
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create table t1 (id int primary key auto_increment, data int, unique(data));
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insert ignore into t1 values(NULL,100),(NULL,110),(NULL,120);
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insert ignore into t1 values(NULL,10),(NULL,20),(NULL,110),(NULL,120),(NULL,100),(NULL,90);
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insert ignore into t1 values(NULL,130),(NULL,140),(500,110),(550,120),(450,100),(NULL,150);
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select * from t1 order by id;
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