Looker 3.28 Release Notes

Release Date: August 18, 2015

End of Cycle Date: September 4, 2015

See All Release Notes

Visualizations and Dashboards

• 
  New “Table” visualization type. Learn More.


• 
  Support for measure-versus-measure scatterplots. Learn More.


• 
  Ability to filter visualizations based on results of yesno fields. Learn More.


• Dashboard PDF filename now includes timestamp


• 
  Visualization Configuration Option Updates:
  
  
  
  • Provide more informative field names when “Show Full Field Name” is disabled
  
  
  • New single value visualization size option, “Auto Fit”
  
  
  • Donut multiple labels are now on by default
  
  
  • X-axis defaults to type “time” if stacking isn’t “grouped”
  
  
  • Default min and max y-axis values are based on values in the chart instead of being symmetric
  
  
  
  


• 
  Performance Improvements:
  
  
  
  • Improved default visualization type for each query
  
  
  • Improved performance when rendering cartesian charts
  
  
  • Improved efficiency of rendering large result sets
  
  
  
  

Explore

• NULL values are now treated as 0 for measures of type sum


• 
  Table Calculation Updates:
  
  
  
  • New pivot_index function allows referencing pivot columns individually. Learn More.
  
  
  • Suggestions now appear after space, enter and delete (in addition to after regular text entry)
  
  
  • Table calculation columns will be present in the data table while query is running
  
  
  
  


• 
  Updated “Save to dashboard” modal.


• 
  Performance Improvements
  
  
  
  • Filter suggestions are now cached for 6 hours (instead of 5 minutes)
  
  
  • Improved caching for queries accessed via public URLs
  
  
  • “No Results” now shown when query returns zero rows
  
  
  
  

LookML & Development

• Support for datatype: yyyymmdd time fields in all dialects


• one_to_one joins can now be specified without required_joins


• Deprecated map_point, map_line, and locations field types

Dialects and Databases

• 
  Beta Support for Spark SQL:
  
  
  
  • Persistent derived tables
  
  
  • In-database pivoting/column limits
  
  
  • 
    list field type
  
  
  
  


• 
  Basic support for EXASOL, including symmetric aggregates (no support for PDTs or time zones yet)


• Improved support for additional JDBC parameters across dialects


• 
  Dialect-Specific Improvements:
  
  
  
  • Oracle field names are now required to be lowercase
  
  
  • Microsoft SQL Server now has SSL support
  
  
  • Redshift queries are now cancelled in a way that doesn’t produce errors in log files
  
  
  
  

Administration Panel

• Users can now be added to the “Admin” role in bulk


• Warnings about misconfigured proxies in front of Looker are presented on the “General” admin page

Powered By Looker

• Option to display normal login screen to unauthenticated users (when SSO authentication is not being used)

Authentication and Security

• 
  

  Beta support for group-to-role mappings with SAML