[doc][spark] Add read metadata columns #4953
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| -- read all columns and the corresponding file path, partition, bucket of the record | ||
| SELECT *, __paimon_file_path, __paimon_partition, __paimon_bucket FROM t; | ||
| ``` | ||
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Suggestion: Use a table to display all metadata fields and explain them, maybe new metadata fields will be added in the future, the flink documentation can also be improved.
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Purpose
Linked issue: close #xxx
Tests
API and Format
Documentation