# # Test of procedure analyse # --disable_warnings drop table if exists t1,t2; --enable_warnings create table t1 (i int, j int, empty_string char(10), bool char(1), d date); insert into t1 values (1,2,"","Y","2002-03-03"), (3,4,"","N","2002-03-04"), (5,6,"","Y","2002-03-04"), (7,8,"","N","2002-03-05"); select count(*) from t1 procedure analyse(); select * from t1 procedure analyse(); select * from t1 procedure analyse(2); create table t2 select * from t1 procedure analyse(); select * from t2; drop table t1,t2; EXPLAIN SELECT 1 FROM (SELECT 1) a PROCEDURE ANALYSE(); # # Test with impossible where # create table t1 (a int not null); create table t2 select * from t1 where 0=1 procedure analyse(); show create table t2; select * from t1 where 0=1 procedure analyse(); insert into t1 values(1); drop table t2; create table t2 select * from t1 where 0=1 procedure analyse(); show create table t2; select * from t2; insert into t2 select * from t1 procedure analyse(); select * from t2; insert into t1 values(2); drop table t2; create table t2 select * from t1 where 0=1 procedure analyse(); show create table t2; select * from t2; insert into t2 select * from t1 procedure analyse(); select * from t2; drop table t1,t2; # # Bug#2813 - analyse does not quote string values in enums from string # create table t1 (v varchar(128)); insert into t1 values ('abc'),('abc\'def\\hij\"klm\0opq'),('\''),('\"'),('\\'),('a\0'),('b\''),('c\"'),('d\\'),('\'b'),('\"c'),('\\d'),('a\0\0\0b'),('a\'\'\'\'b'),('a\"\"\"\"b'),('a\\\\\\\\b'),('\'\0\\\"'),('\'\''),('\"\"'),('\\\\'),('The\ZEnd'); select * from t1 procedure analyse(); drop table t1; #decimal-related test create table t1 (df decimal(5,1)); insert into t1 values(1.1); insert into t1 values(2.2); select * from t1 procedure analyse(); drop table t1; # # Bug#10716 - Procedure Analyse results in wrong values for optimal field type # create table t1 (d double); insert into t1 values (100000); select * from t1 procedure analyse (1,1); drop table t1; # # Bug #14138 ROLLUP and PROCEDURE ANALYSE() hang server # create table t1 (product varchar(32), country_id int not null, year int, profit int); insert into t1 values ( 'Computer', 2,2000, 1200), ( 'TV', 1, 1999, 150), ( 'Calculator', 1, 1999,50), ( 'Computer', 1, 1999,1500), ( 'Computer', 1, 2000,1500), ( 'TV', 1, 2000, 150), ( 'TV', 2, 2000, 100), ( 'TV', 2, 2000, 100), ( 'Calculator', 1, 2000,75), ( 'Calculator', 2, 2000,75), ( 'TV', 1, 1999, 100), ( 'Computer', 1, 1999,1200), ( 'Computer', 2, 2000,1500), ( 'Calculator', 2, 2000,75), ( 'Phone', 3, 2003,10) ; create table t2 (country_id int primary key, country char(20) not null); insert into t2 values (1, 'USA'),(2,'India'), (3,'Finland'); select product, sum(profit),avg(profit) from t1 group by product with rollup procedure analyse(); drop table t1,t2; # # Bug #20305 PROCEDURE ANALYSE() returns wrong M for FLOAT(M, D) and DOUBLE(M, D) # create table t1 (f1 double(10,5), f2 char(10), f3 double(10,5)); insert into t1 values (5.999, "5.9999", 5.99999), (9.555, "9.5555", 9.55555); select f1 from t1 procedure analyse(1, 1); select f2 from t1 procedure analyse(1, 1); select f3 from t1 procedure analyse(1, 1); drop table t1; --echo End of 4.1 tests