[SPARK-8829] Improve expression performance

• Type: Umbrella
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.6.0
• Component/s: SQL
• Target Version/s: 1.6.0
• Epic Link: Tungsten Phase 2
• Assignee: Reynold Xin
• Reporter: Reynold Xin
• Created: 06/Jul/15 04:53
• Updated: 06/Nov/15 21:42
• Resolved: 06/Nov/15 21:42

Description

This is an umbrella ticket for various improvements to DataFrame and SQL expression performance.

These expressions can be found in the org.apache.spark.sql.catalyst.expressions package.

Note that I also created a separate ticket for improving regular expression performance potentially using joni (SPARK-9213).

Issue Links

• relates to: SPARK-8159 Improve expression function coverage (Spark 1.5)
• relates to: SPARK-9213 Improve regular expression performance (via joni)