bkyryliuk commented on issue #10743:
URL:
https://github.com/apache/incubator-superset/issues/10743#issuecomment-690383491
Json type example:
```
SELECT CAST(CAST(ROW(123, 'abc', true) AS ROW(v1 BIGINT, v2 VARCHAR, v3
BOOLEAN)) AS JSON) -- JSON '[123,"abc",true]'
```
row type example:
```
SELECT
CAST(ROW(1, 2.0) AS ROW(x BIGINT, y DOUBLE)) as simple_row
```
map type example:
```
select MAP(ARRAY['foo', 'bar'], ARRAY[1, 2]) as column
```
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