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MCOL-4741 in/like/equal(=) operations differ in results

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This is due to signedness in the string range comparison in extentmap
and unsignedness everywhere else.
This commit is contained in:
Sergey Zefirov
2021-06-22 14:13:27 +03:00
parent 6dc356ed60
commit c58136a32d
5 changed files with 48 additions and 8 deletions
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12
mysql-test/columnstore/bugfixes/mcol-4741-strings-ranges-are-unsigned.result Normal file
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DROP DATABASE IF EXISTS db4741;
CREATE DATABASE db4741;
USE db4741;
CREATE TABLE t (x VARCHAR(5) DEFAULT '') engine = columnstore;
LOAD DATA LOCAL infile 'MTR_SUITE_DIR/../std_data/mcol-4741-part-1-strings-and-nulls.txt' INTO TABLE t;
SELECT COUNT(*) FROM t WHERE x='val';
COUNT(*)
2
LOAD DATA LOCAL infile 'MTR_SUITE_DIR/../std_data/mcol-4741-part-2-empty-strings.txt' INTO TABLE t;
SELECT COUNT(*) FROM t WHERE x='val';
COUNT(*)
2