Xu Mingmin created BEAM-2446:
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Summary: restrict scope of BeamSqlEnv in dsl query
Key: BEAM-2446
URL: https://issues.apache.org/jira/browse/BEAM-2446
Project: Beam
Issue Type: Improvement
Components: dsl-sql
Reporter: Xu Mingmin
Assignee: Xu Mingmin
Currently, the scope of BeamSqlEnv is global, that means all tables are
accesible for each query, although it may not be related to the input
PCollections in DSL methods.
For BeamSqlCli, it's reasonable to have a session BeamSqlEnv for each SQL
client.
For BeamSql, each query should have its own BeamSqlEnv, which only has the
input tables/PCollections.
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