alamb commented on issue #935:
URL:
https://github.com/apache/arrow-datafusion/issues/935#issuecomment-906327322
I ran the same query in MYSQL and POSTGRES and they do produce different
results (!!):
mysql
```
mysql> SELECT TRIM(BOTH 'leadtrail' FROM 'leadtrailtextleadtrail');
+------------------------------------------------------+
| TRIM(BOTH 'leadtrail' FROM 'leadtrailtextleadtrail') |
+------------------------------------------------------+
| text |
+------------------------------------------------------+
1 row in set (0.00 sec)
```
postgres
```
alamb=# SELECT TRIM(BOTH 'leadtrail' FROM 'leadtrailtextleadtrail');
btrim
-------
x
(1 row)
```
So as @seddonm1 points out DF is consistent with postgres which is the
current target
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