Maksim Zhuravkov created IGNITE-21097:
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Summary: Sql. Infer parameter types for scripts.
Key: IGNITE-21097
URL: https://issues.apache.org/jira/browse/IGNITE-21097
Project: Ignite
Issue Type: Improvement
Components: sql
Reporter: Maksim Zhuravkov
Fix For: 3.0.0-beta2
After https://issues.apache.org/jira/browse/IGNITE-20778 was resolved it is now
possible to infer types of dynamic parameters for a single SQL statement.
Since SQL engine also provides API to execute SQL scripts, it should be
possible to extend dynamic parameter type inference to scripts as well.
There some limitations on supported statement types in SQL scripts to support
type inference of dynamic parameters - type inference won't work if a script
includes DDL statment (because DDL statement can make add/remove/change type
columns, thus making type inference without DDL interpretation impossible).
So if a script contains any DDL statement a process of inference of dynamic
parameter type should report an error, indicating that type inference can not be
perform in presence of DDL statements.
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