Andrey Mashenkov created IGNITE-19493:
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Summary: Sql. Query flow refactoring.
Key: IGNITE-19493
URL: https://issues.apache.org/jira/browse/IGNITE-19493
Project: Ignite
Issue Type: Improvement
Components: sql
Reporter: Andrey Mashenkov
As of now, in SqlQueryProcessor.querySingle0(), we get SQL SchemaPlus from
SqlQueryMaanger, then create query context, then start implicit transaction if
needed.
SqlQueryManager doesn't aware of schema versions.
Let's
* add tx timestamp to the interface, it is ok to ignore the tx timestamp
parameter in current implementation unless a new one based on Catalog will be
implemented.
* rework current flow to start implicit transaction first, then get a schema
based on Tx timestamp, then create a query context.
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