feat(function): Support cast variant to other data types

[b41sh]

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Summary

Support cast variant to other data types

for example:

mysql> select get_path(parse_json('{"a":12}'), 'a')::uint8;
+------------------------------------------------------+
| cast(get_path(parse_json('{"a":12}'), 'a') as UInt8) |
+------------------------------------------------------+
|                                                   12 |
+------------------------------------------------------+
1 row in set (0.03 sec)

Changelog

• New Feature
• Build/Testing/CI

Related Issues

Fixes #4777

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