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Posted to issues-all@impala.apache.org by "Yu-Wen Lai (Jira)" <ji...@apache.org> on 2021/10/08 23:43:00 UTC
[jira] [Created] (IMPALA-10958) Decouple getConstraintsInformation
from hive.ql.metadata.Table
Yu-Wen Lai created IMPALA-10958:
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Summary: Decouple getConstraintsInformation from hive.ql.metadata.Table
Key: IMPALA-10958
URL: https://issues.apache.org/jira/browse/IMPALA-10958
Project: IMPALA
Issue Type: Improvement
Components: Frontend
Reporter: Yu-Wen Lai
Assignee: Yu-Wen Lai
After [HIVE-22782|http://issues.apache.org/jira/browse/HIVE-22782], ql.metadata.Table object has no methods to set PrimaryKeyInfo and ForeignKeyInfo alone. However, we call these two functions In DescribeResultFactory to set constraints and pass the table into HiveMetadataFormatUtils. Instead of calling the methods from table, we can directly pass PrimaryKeyInfo and ForeignKeyInfo to HiveMetadataFormatUtils so that Impala won't be influenced even though the table class changes interface.
Additionally, we can get rid of ql.metadata.Table for getTableInformation altogether since it just needs metastore.api.Table internally.
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