Preston Carman created VXQUERY-112:
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Summary: Support more operators in Output Sequence Type matching
Key: VXQUERY-112
URL: https://issues.apache.org/jira/browse/VXQUERY-112
Project: VXQuery
Issue Type: Improvement
Reporter: Preston Carman
The ExpressionToolbox has a function called getOutputSequenceType that finds
the output sequence type of the expression. Currently, the function only looks
at variables created by the DataSourceScan operator. The function could support
any operator that creates variables: Assign, Unnest, Aggregate, etc.
The operators have not been added since they could create a recursive function
traversing many operator and expressions. The process needs to be understood
for each operator before adding it to the list.
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