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affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.affects-7.6affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.fuzz/randomtestseverity/majorsig/plannerSIG: PlannerSIG: Plannertype/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.
Description
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
CREATE TABLE `tlff7fd271` (
`col_45` bit(3) NOT NULL DEFAULT b'101',
`col_46` year(4) NOT NULL DEFAULT '2016',
`col_47` double NOT NULL DEFAULT '2508.393214016021',
`col_48` timestamp NOT NULL DEFAULT '2025-11-27 00:00:00',
KEY `idx_15` (`col_45`,`col_47`),
PRIMARY KEY (`col_46`,`col_45`,`col_48`) /*T![clustered_index] NONCLUSTERED */,
KEY `idx_17` (`col_45`,`col_46`,`col_47`),
UNIQUE KEY `idx_18` (`col_45`,`col_48`,`col_46`)
);
desc SELECT `tlff7fd271`.`col_46` AS `r0` FROM `tlff7fd271` where `col_46` <= 16212511333665770580;
2. What did you expect to see? (Required)
TableScan or IndexScan
3. What did you see instead (Required)
mysql> desc SELECT `tlff7fd271`.`col_46` AS `r0` FROM `tlff7fd271` where `col_46` <= 16212511333665770580;
+-------------+---------+------+---------------+---------------+
| id | estRows | task | access object | operator info |
+-------------+---------+------+---------------+---------------+
| TableDual_5 | 0.00 | root | | rows:0 |
+-------------+---------+------+---------------+---------------+
1 row in set (0.00 sec)
4. What is your TiDB version? (Required)
Metadata
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Labels
affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.affects-7.6affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.fuzz/randomtestseverity/majorsig/plannerSIG: PlannerSIG: Plannertype/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.