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do not apply PullSelectOutOfEqJoin for LOJ

Update the interface to include better names and arguments.

ensure limits are copied down as far as possible and not through select operators

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    • +105
    ./uci/ics/hyracks/algebricks/rewriter/rules/CopyLimitDownRule.java
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don't inline non-functional functions

disable common subexpression elimination for non-functional functions

Fixed the incorrect exchange merging introduced by the previous commit; updated the IntroHashPartitionMergeExchange rule to handle the hash-merge-exchange operator.

Fixed a bug on omitted order by columns when added an exchange operator to enforce the group-by property.

  1. … 1 more file in changeset.
Fixed a bug on unclosed running aggregation runtime; fixed an issue on two adjacent exchange operators (connectors) when duplicate sort operator is removed.

  1. … 4 more files in changeset.
Fixed a bug on unclosed running aggregation runtime; fixed an issue on two adjacent exchange operators (connectors) when duplicate sort operator is removed.

checkpoint: fixed a issue when introducing the HashMergeExcnahge but have not compute its delivered property, which could cause a NPE when its delivered property by other operator.

make more rules aware of non-functional functions

add a rule to eliminate empty-key gby

add a rule to converet left outer join to inner join

add a rule to converet left outer join to inner join

merge from zheilbron/hyracks_msr

  1. … 291 more files in changeset.
fix the execution mode of operators and the location constraint of algebricks meta operator

  1. … 29 more files in changeset.
Creating a branch for changes required for VXQuery. This commit includes the patch for issue 99.

add/update license headers

  1. … 2273 more files in changeset.
organizing compiler parameters

  1. … 7 more files in changeset.
fix asterixdb issue459

fix asterixdb issue51

addressed young-seok's comments

address Vinayak's code review comments

fix asterixdb issue382

revert the unrelavent part

fix asterixdb issue428

address Madhu's review comments

  1. … 4 more files in changeset.
fix for issue196

  1. … 7 more files in changeset.
merge fullstack_lsm_staging

fix asterixdb issue 353

  1. … 1 more file in changeset.