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Move AsterixDB to Subfolder

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ASTERIXDB-1157: Pushdown Limit

- Limit Pushdown into an Order (ExternalSort) operator.

- ConstantFoldingRule is not applied on the record-related operations.

Change-Id: I19aa4ce402b1834d9f68320acb72d7635a41a837

Reviewed-on: https://asterix-gerrit.ics.uci.edu/617

Reviewed-by: Yingyi Bu <buyingyi@gmail.com>

Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>

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Add Support for Upsert Operation

This change allows users to execute upsert commands which

couples delete if found with insert. It locks the primary

keys before doing the search ensuring consistency.

Change-Id: I8999000331795a5949d621d2dd003903e057a521

Reviewed-on: https://asterix-gerrit.ics.uci.edu/477

Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>

Reviewed-by: Till Westmann <tillw@apache.org>

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Added support of typed indexes over open fields & indexes over nested fields

Open indexes requires user to provide a type along with a indexed field name.

This type would be enforced for all the indexed records, i.e. index cannot be created if in some records a field with provided name has a different type.

Index-specific rewrite rules match provided type with the inferred types of other arguments in join\select statements and trigger index rewrite.

Nested indexes use the same semantics as the regular indexes, with exception that field could be located arbitrarily deep inside nested structure

Change-Id: I53d00aba243ccf7cf79cf7d775dd305813d24f98

Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/97

Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>

Reviewed-by: Steven Jacobs <sjaco002@ucr.edu>

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Merged asterix_lsm_stabilization upto r1547

git-svn-id: https://asterixdb.googlecode.com/svn/trunk/asterix@1622 eaa15691-b419-025a-1212-ee371bd00084

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Fixed issue 269. Any touch between two spatial objects are considered an intersection.

git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_lsm_stabilization@1331 eaa15691-b419-025a-1212-ee371bd00084

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merged asterix_stabilization r620:1109

git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_stabilization_temporal_functionality@1113 eaa15691-b419-025a-1212-ee371bd00084

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Fixed issue 214 (allowing r-trees to be created for rectangle data type). Added test cases for all other spatial data types.

git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_stabilization@873 eaa15691-b419-025a-1212-ee371bd00084

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Secondary BTree indexes can now be created on nullable fields (nulls are filtered during load). Still need to modify insert/delete jobgen to filter nulls as well.

git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix-fix-issue-9@213 eaa15691-b419-025a-1212-ee371bd00084

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    ./spatialDataNulls.json
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Added asterix project

git-svn-id: https://asterixdb.googlecode.com/svn/trunk/asterix@12 eaa15691-b419-025a-1212-ee371bd00084

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    ./spatialDataAggregation.json
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