Incorrect GROUP_CONCAT Results
Scenario
When the GROUP_CONCAT() function is used in an SQL statement, the result does not meet expectations.
Possible Causes
The GROUP_CONCAT() function returned a string result consisting of concatenated values in the group. However, the group_concat_max_len parameter limited the result length of this function.
Example:
Solution
Change the value of group_concat_max_len to adapt to the result length of the GROUP_CONCAT() function.
Parent topic: Parameter-related Issues
- Scenario
- Possible Causes
- Solution