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2 rows affected
C1 | C2 |
---|---|
{"a":1} | {"a":1} |
{"a":2,"b":"bb"} | {"a":2,"b":"bb"} |
C2 | C1 |
---|---|
{"a":1,"b":null} | {"a":1,"b":null} |
{"a":2,"b":"bb"} | {"a":2,"b":"bb"} |