Anton Kedin created BEAM-4516:
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Summary: [SQL] Allow casting to complex types
Key: BEAM-4516
URL: https://issues.apache.org/jira/browse/BEAM-4516
Project: Beam
Issue Type: Improvement
Components: dsl-sql
Reporter: Anton Kedin
Currently CAST is parsed in the main Calcite's Parser.jj. When parsing the
target type parameter it only supports primitive types or MULTISET). It's
impossible to cast to a fully ad-hoc specified Row at the moment (Calcite 1.16).
Probably CREATE TYPE in Calcite 1.17 is worth looking at, it should support CAST
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