Jark Wu created FLINK-14824:
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Summary: Improve schema derivation for formats
Key: FLINK-14824
URL: https://issues.apache.org/jira/browse/FLINK-14824
Project: Flink
Issue Type: Sub-task
Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile), Table
SQL / API
Reporter: Jark Wu
Currently, one also needs to define a schema for formats in DDL or decriptor
API. For JSON, CSV and OldCsv, we already supported {{derive.schema=true}} to
get the schema from table schema. But for Avro format, a user has to pass an
Avro schema file or define the format schema explicitly via {{avro.schema}}.
We can think of if we can drop {{avro.schema}} and make {{derive.schema=true}}
as the default behavior.
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