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9e0851e4cf
Now ROLLBACK drops ranges to INVALID state which makes engine to rescan blocks and discover correct ranges.
28 lines
1.6 KiB
Plaintext
28 lines
1.6 KiB
Plaintext
DROP DATABASE IF EXISTS MCOL4766;
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CREATE DATABASE MCOL4766;
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USE MCOL4766;
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CREATE TABLE t(x integer) ENGINE=COLUMNSTORE;
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INSERT INTO t(x) VALUES (1), (2);
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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;
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table_schema table_name column_name min_value max_value
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MCOL4766 t x 1 2
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START TRANSACTION;
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INSERT INTO t(x) VALUES (-1), (100);
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ROLLBACK;
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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;
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table_schema table_name column_name min_value max_value
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MCOL4766 t x NULL NULL
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START TRANSACTION;
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UPDATE t SET x = 100 WHERE x = 2;
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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;
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table_schema table_name column_name min_value max_value
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MCOL4766 t x 1 100
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ROLLBACK;
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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;
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table_schema table_name column_name min_value max_value
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MCOL4766 t x NULL NULL
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SELECT * FROM t;
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x
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1
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2
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