[CALCITE-1680] Optimization for RelDataTypeImpl.getField - ASF JIRA

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Type: Improvement
Status: Closed
Priority: Minor
Resolution: Fixed
Affects Version/s: None
Fix Version/s: None
Component/s: None
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Description

RelDataTypeImpl.getField is implemented as a loop and is often called in a loop. We can store a HashMap from column-name to fieldList index when instantiating RelDataTypeImpl to improve performance. One of the call hierarchies involves SqlToRelConverter.convertIdentifier which is called often.

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Assignee:: Julian Hyde

Reporter:: Kevin Liew

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Dates

Created:: 08/Mar/17 07:33

Updated:: 11/Mar/17 03:25

Resolved:: 11/Mar/17 03:25