Jingsong Lee created FLINK-24271:
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Summary: Add document for special char in JSON_VALUE
Key: FLINK-24271
URL: https://issues.apache.org/jira/browse/FLINK-24271
Project: Flink
Issue Type: Improvement
Components: Documentation
Reporter: Jingsong Lee
If user has a json string:
{"fields": {"system.process": [0.998]}}
It is hard to write a valid json path to get 0.998.
The correct json path should be '$.fields.[''system.process''][0]'
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