[CARBONDATA-1901] Fixed Pre aggregate data map creation and query parsing

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.3.0
• Assignee: Kumar Vishal
• Reporter: Kumar Vishal
• Due: 16/Dec/17
• Created: 15/Dec/17 15:24
• Updated: 16/Dec/17 12:45
• Resolved: 16/Dec/17 12:45

Description

*Problem:*Fixed below issues in case of pre aggregate
1. Pre aggregate data map table column order is not as per query given by user because of which while data is loaded to wrong column
2. when aggregate function contains any expression query is failing with match error
3. pre aggregate data map columns and parent tables columns encoder is not matching
Solution:
1. Do not consider group columns in pre aggregate
2. when aggregate function contains any expression hit the maintable
3. Get encoder from main table and add in pre aggregate table column
When aggregation type is sum or avg create measure column

Issue Links

• links to: GitHub Pull Request #1671