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MCOL-4766 ROLLBACK kept ranges changed inside rolled back transaction

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Now ROLLBACK drops ranges to INVALID state which makes engine to rescan
blocks and discover correct ranges.
This commit is contained in:
Sergey Zefirov
2021-06-23 17:06:21 +03:00
parent 866dc25729
commit 9e0851e4cf
9 changed files with 56 additions and 10 deletions
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27
mysql-test/columnstore/basic/r/mcol4766-rollback-ranges.result Normal file
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DROP DATABASE IF EXISTS MCOL4766;
CREATE DATABASE MCOL4766;
USE MCOL4766;
CREATE TABLE t(x integer) ENGINE=COLUMNSTORE;
INSERT INTO t(x) VALUES (1), (2);
SELECT c.table_schema, c.table_name, c.column_name, e.min_value, e.max_value FROM information_schema.columnstore_extents e, information_schema.columnstore_columns c WHERE c.table_schema='MCOL4766' and c.table_name='t' and c.column_name='x' and c.object_id=e.object_id;
table_schema table_name column_name min_value max_value
MCOL4766 t x 1 2
START TRANSACTION;
INSERT INTO t(x) VALUES (-1), (100);
ROLLBACK;
SELECT c.table_schema, c.table_name, c.column_name, e.min_value, e.max_value FROM information_schema.columnstore_extents e, information_schema.columnstore_columns c WHERE c.table_schema='MCOL4766' and c.table_name='t' and c.column_name='x' and c.object_id=e.object_id;
table_schema table_name column_name min_value max_value
MCOL4766 t x NULL NULL
START TRANSACTION;
UPDATE t SET x = 100 WHERE x = 2;
SELECT c.table_schema, c.table_name, c.column_name, e.min_value, e.max_value FROM information_schema.columnstore_extents e, information_schema.columnstore_columns c WHERE c.table_schema='MCOL4766' and c.table_name='t' and c.column_name='x' and c.object_id=e.object_id;
table_schema table_name column_name min_value max_value
MCOL4766 t x 1 100
ROLLBACK;
SELECT c.table_schema, c.table_name, c.column_name, e.min_value, e.max_value FROM information_schema.columnstore_extents e, information_schema.columnstore_columns c WHERE c.table_schema='MCOL4766' and c.table_name='t' and c.column_name='x' and c.object_id=e.object_id;
table_schema table_name column_name min_value max_value
MCOL4766 t x NULL NULL
SELECT * FROM t;
x
1
2

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mysql-test/columnstore/basic/t/mcol4766-rollback-ranges.test Normal file
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--disable_warnings
DROP DATABASE IF EXISTS MCOL4766;
--enable_warnings
CREATE DATABASE MCOL4766;
USE MCOL4766;
CREATE TABLE t(x integer) ENGINE=COLUMNSTORE;
INSERT INTO t(x) VALUES (1), (2);
SELECT c.table_schema, c.table_name, c.column_name, e.min_value, e.max_value FROM information_schema.columnstore_extents e, information_schema.columnstore_columns c WHERE c.table_schema='MCOL4766' and c.table_name='t' and c.column_name='x' and c.object_id=e.object_id;
START TRANSACTION;
INSERT INTO t(x) VALUES (-1), (100);
ROLLBACK;
SELECT c.table_schema, c.table_name, c.column_name, e.min_value, e.max_value FROM information_schema.columnstore_extents e, information_schema.columnstore_columns c WHERE c.table_schema='MCOL4766' and c.table_name='t' and c.column_name='x' and c.object_id=e.object_id;
START TRANSACTION;
UPDATE t SET x = 100 WHERE x = 2;
SELECT c.table_schema, c.table_name, c.column_name, e.min_value, e.max_value FROM information_schema.columnstore_extents e, information_schema.columnstore_columns c WHERE c.table_schema='MCOL4766' and c.table_name='t' and c.column_name='x' and c.object_id=e.object_id;
ROLLBACK;
SELECT c.table_schema, c.table_name, c.column_name, e.min_value, e.max_value FROM information_schema.columnstore_extents e, information_schema.columnstore_columns c WHERE c.table_schema='MCOL4766' and c.table_name='t' and c.column_name='x' and c.object_id=e.object_id;
SELECT * FROM t;