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MDEV-28152 Features for sequences

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- Add `as <int_type>` to sequence creation options
  - int_type can be signed or unsigned integer types, including
    tinyint, smallint, mediumint, int and bigint
  - Limitation: when alter sequence as <new_int_type>, cannot have any
    other alter options in the same statement
  - Limitation: increment remains signed longlong, and the hidden
    constraint (cache_size x abs(increment) < longlong_max) stays for
    unsigned types. This means for bigint unsigned, neither
    abs(increment) nor (cache_size x abs(increment)) can be between
    longlong_max and ulonglong_max
- Truncating maxvalue and minvalue from user input to the nearest max
  or min value of the type, plus or minus 1. When the truncation
  happens, a warning is emitted
- Information schema table for sequences
This commit is contained in:
Yuchen Pei
2024-01-04 12:12:50 +11:00
parent eeba940311
commit 374783c3d9
34 changed files with 3472 additions and 264 deletions
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84
mysql-test/suite/sql_sequence/mysqldump.test
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@ -35,3 +35,87 @@ LOCK TABLES t1 READ;
SELECT * FROM t1;
unlock tables;
drop table t1;
--echo #
--echo # MDEV-28152 Features for sequence
--echo #
CREATE DATABASE test1;
CREATE DATABASE test2;
USE test1;
CREATE SEQUENCE s1 as tinyint;
CREATE SEQUENCE s2 as smallint;
CREATE SEQUENCE s3 as mediumint;
CREATE SEQUENCE s4 as int;
CREATE SEQUENCE s5 as bigint;
CREATE SEQUENCE s6 as tinyint unsigned;
CREATE SEQUENCE s7 as smallint unsigned;
CREATE SEQUENCE s8 as mediumint unsigned;
CREATE SEQUENCE s9 as int unsigned;
CREATE SEQUENCE s10 as bigint unsigned;
--echo # Dump database 1
--exec $MYSQL_DUMP test1 > $MYSQLTEST_VARDIR/tmp/dumptest1.sql
--echo # Restore from database 1 to database 2
--exec $MYSQL test2 < $MYSQLTEST_VARDIR/tmp/dumptest1.sql
USE test2;
SHOW CREATE SEQUENCE s1;
SHOW CREATE SEQUENCE s2;
SHOW CREATE SEQUENCE s3;
SHOW CREATE SEQUENCE s4;
SHOW CREATE SEQUENCE s5;
SHOW CREATE SEQUENCE s6;
SHOW CREATE SEQUENCE s7;
SHOW CREATE SEQUENCE s8;
SHOW CREATE SEQUENCE s9;
SHOW CREATE SEQUENCE s10;
--remove_file $MYSQLTEST_VARDIR/tmp/dumptest1.sql
DROP DATABASE test1;
DROP DATABASE test2;
--echo ## test ORACLE mode
set sql_mode=ORACLE;
CREATE DATABASE test1;
CREATE DATABASE test2;
USE test1;
CREATE SEQUENCE s1 as tinyint;
CREATE SEQUENCE s2 as smallint;
CREATE SEQUENCE s3 as mediumint;
CREATE SEQUENCE s4 as int;
CREATE SEQUENCE s5 as bigint;
CREATE SEQUENCE s6 as tinyint unsigned;
CREATE SEQUENCE s7 as smallint unsigned;
CREATE SEQUENCE s8 as mediumint unsigned;
CREATE SEQUENCE s9 as int unsigned;
CREATE SEQUENCE s10 as bigint unsigned;
--echo # Dump database 1
--exec $MYSQL_DUMP test1 > $MYSQLTEST_VARDIR/tmp/dumptest1.sql
--echo # Restore from database 1 to database 2
--exec $MYSQL test2 < $MYSQLTEST_VARDIR/tmp/dumptest1.sql
USE test2;
SHOW CREATE SEQUENCE s1;
SHOW CREATE SEQUENCE s2;
SHOW CREATE SEQUENCE s3;
SHOW CREATE SEQUENCE s4;
SHOW CREATE SEQUENCE s5;
SHOW CREATE SEQUENCE s6;
SHOW CREATE SEQUENCE s7;
SHOW CREATE SEQUENCE s8;
SHOW CREATE SEQUENCE s9;
SHOW CREATE SEQUENCE s10;
--remove_file $MYSQLTEST_VARDIR/tmp/dumptest1.sql
DROP DATABASE test1;
DROP DATABASE test2;
set sql_mode=default;
--echo #
--echo # End of 11.4 tests
--echo #