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57 lines
1.8 KiB
Text
57 lines
1.8 KiB
Text
create table t1 (c1 int, c2 varchar(255), c3 geometry not null, primary key(c1, c2), spatial index (c3))engine=innodb;
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create function rand_string(str_length tinyint unsigned, str_type tinyint unsigned) returns varchar(255)
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begin
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declare counter int unsigned default 0;
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declare const_chars varchar(64) default '0123456789';
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declare result varchar(255) default '';
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if str_type = 1 then
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set const_chars = '0123456789';
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elseif str_type = 2 then
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set const_chars = 'abcdefghijklmnopqrstuvwxyz';
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elseif str_type = 3 then
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set const_chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
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elseif str_type = 4 then
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set const_chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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elseif str_type = 5 then
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set const_chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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else
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set const_chars = '0123456789';
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end if;
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while counter < str_length do
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set result = concat(result,substr(const_chars,ceil(rand()*(length(const_chars)-1)),1));
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set counter = counter + 1;
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end while;
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return result;
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end|
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create procedure insert_t1(IN total int)
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begin
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declare i int default 1;
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declare i2 int default 1;
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declare str varchar(100) default '';
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declare dup_key int default 1;
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while i <= total DO
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set i2 = floor(0+(rand()*100));
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set str = rand_string(i2, 5);
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select count(*) into dup_key from t1 where c2 = str and c1 = i;
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while dup_key <> 0 do
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set i2 = floor(0+(rand()*100));
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set str = rand_string(i2, 5);
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select count(*) into dup_key from t1 where c2 = str and c1 = i;
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end while;
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insert into t1 values (i, str, Point(i, i));
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set i = i + 1;
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end while;
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end|
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CALL insert_t1(10000);
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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start transaction;
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CALL insert_t1(30000);
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rollback;
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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drop procedure insert_t1;
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drop function rand_string;
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drop table t1;
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