Jinpeng Zhou created HUDI-7242:
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Summary: Avoid unnecessary bigquery table update when using sync
tool
Key: HUDI-7242
URL: https://issues.apache.org/jira/browse/HUDI-7242
Project: Apache Hudi
Issue Type: Bug
Components: meta-sync
Reporter: Jinpeng Zhou
Fix For: 0.14.1, 0.14.0
The [PR]([https://github.com/apache/hudi/pull/9482)] added a table schema
update step for bigquery sync tool. It seems there're two issues:
1. When it reform the schema which is then compared to the bq table schema, the
reformed schema puts partition fields in the beginning, while the bq table
schema by default has partition fields at the end. So it unnecessarily triggers
a schema update due to to order difference.
2. Though the sync tool for 0.14.0 does not support big lake connection id
(there's a recent PR last month adding this support), the user can still
recreate their table manually by adding connection id. The table update is
adding the new schema into. external table definition. This does not work for
biglake tables, and will cause error: "Schema can be specified only on the
Table.Schema field for external tables with an associated connection_id but
schema was provided on Table.Externaldataconfig.Schema".
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