Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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10.4, 10.5, 10.6, 10.7, 10.8, 10.9, 10.10, 10.11, 11.0, 11.1, 11.2, 11.3, 11.4, 11.5
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None
Description
Direct assignment between some data types is now allowed. For example, it's not possible to store an INT into a POINT:
CREATE OR REPLACE TABLE t1 (b POINT); |
INSERT INTO t1 VALUES (1); |
ERROR 4078 (HY000): Cannot cast 'int' as 'point' in assignment of `test`.`t1`.`b` |
CREATE OR REPLACE TABLE t1 (a INT, b POINT); |
UPDATE t1 SET b=a; |
ERROR 4078 (HY000): Cannot cast 'int' as 'point' in assignment of `test`.`t1`.`b` |
However, virtual columns do not check if the assignment is OK:
CREATE OR REPLACE TABLE t1 (a INT, b POINT GENERATED ALWAYS AS (a)); |
INSERT INTO t1 (a) VALUES (1); |
SELECT a, AsText(b) FROM t1; |
SHOW WARNINGS;
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+---------+------+---------------------------------------------------------------------+ |
| Level | Code | Message | |
+---------+------+---------------------------------------------------------------------+ |
| Warning | 1416 | Cannot get geometry object from data you send to the GEOMETRY field | |
+---------+------+---------------------------------------------------------------------+ |
This looks incorrect. The 'Cannot cast' error should be displayed at CREATE TABLE time.
Attachments
Issue Links
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