[1/2] asterixdb git commit: Index-only plan step 3: Top-down Select and Join transformation rule

Repository: asterixdb Updated Branches: refs/heads/master d8b5972ec -> c4eb65649 http://git-wip-us.apache.org/repos/asf/asterixdb/blob/c4eb6564/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/OptimizableOperatorSubTree.java

[2/2] asterixdb git commit: Index-only plan step 3: Top-down Select and Join transformation rule

Index-only plan step 3: Top-down Select and Join transformation rule - Converted IntroduceSelectAccessMethodRule and IntroduceJoinAccessMethodRule from bottom-up approach to top-down approach from the root operator. - Index-only plan needs to verify the variables that are live in the select

asterixdb git commit: Merge back CB doc update.

Repository: asterixdb Updated Branches: refs/heads/master 306fccb03 -> d8b5972ec Merge back CB doc update. Change-Id: I7d86343e63dffaf5d976fc85ac9d36f1e509f42f Reviewed-on: https://asterix-gerrit.ics.uci.edu/1595 Sonar-Qube: Jenkins Tested-by: Jenkins