lightzhao commented on PR #5514:
URL: https://github.com/apache/seatunnel/pull/5514#issuecomment-1751562766
> When the format of the hive table is text, the separation between
collection and map increases by \u001 based on the number of nested layers. In
general production practice, this separator is not customized by the user
because there may be nested data. This change make no sense.
In fact, the delimiter symbol can be customized by the user.
For collection data types in Hive, the default delimiter symbols are as
follows:
The array type uses commas (",") as the separator between elements;
The map type uses colons (":") to separate key-value pairs, and then commas
(",") to separate different key-value pairs;
The struct type uses commas (",") to separate fields in the structure.
The current delimiter symbols cannot adapt to the collection storage format
of hive, and the queries are also confusing.
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