[TAJO-2136] (Umbrella) Optimizer should transform plans instead of modifying them. - ASF JIRA

Add vote

Watch issue

XML

Word

Printable

JSON

Details

Type: Improvement
Status: Open
Priority: Major
Resolution: Unresolved
Affects Version/s: None
Fix Version/s: None
Component/s: Planner/Optimizer
Labels:
None

Description

Many bugs and inconsistent meta data of the Plan and MasterPlan representation are being caused by modification. We need to refactor the optimizer and rules to transform immutable data representation instead of modifying them.

Attachments

Sub-Tasks

1.	Implement LogicalNode visitor designed for plan transformation		Open	Unassigned	Actions
2.	Implement EvalNode visitor designed for expression transformation		Open	Unassigned	Actions

Activity

People

Assignee:: Unassigned

Reporter:: Hyunsik Choi

Votes:: 0 Vote for this issue

Watchers:: 0 Start watching this issue

Dates

Created:: 23/Apr/16 04:09

Updated:: 23/Apr/16 09:40

Agile

View on Board

(Umbrella) Optimizer should transform plans instead of modifying them.