christian-schlichtherle opened a new issue, #16356:
URL: https://github.com/apache/druid/issues/16356
### Affected Version
Druid 29.0.1
### Description
Running the following query
```
select JSON_OBJECT('name': COLUMN_NAME, 'type': DATA_TYPE)
from INFORMATION_SCHEMA.COLUMNS
```
produces
```
Error: RUNTIME_FAILURE (OPERATOR)
cannot translate call json_object($t17, $t18, $t3, $t19, $t7)
java.lang.RuntimeException
```
Note that the error message quotes the json_object call to receive five
parameters, but maybe that's an unrelated internal detail.
For comparison, the following works (but is useless):
```
select JSON_OBJECT('name': 'foo', 'type': 'VARCHAR')
```
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