[CARBONDATA-2733]should support scalar sub query for partition tables #2492
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…oad data and select This PR adds: 1.basic framework rewrite the carbon store's Master, Worker and Scheduler code in Java 2.RESTful API support create a table by using file meta store support load data to a table in single work support select data with a filter This closes apache#2440
…olumnVector Interface Column vector and Columnar Batch interface compatibility issues has been addressed in this PR, The changes were related to below modifications done in spark interface a) This is a refactoring of ColumnVector hierarchy and related classes. b) make ColumnVector read-only c) introduce WritableColumnVector with write interface d) remove ReadOnlyColumnVector In this PR inorder to hide the compatibility issues of columnar vector API's from the existing common classes, i introduced an interface of the proxy vector readers, this proxy vector readers will take care the compatibility issues with respect to spark different versions.
…ompatability issues Changes continued.. All compatability issues when supporting 2.3 addressed Supported pom profile -P"spark-2.3" This closes apache#2366
1. create csv based carbon table using CREATE TABLE fact_table (col1 bigint, col2 string, ..., col100 string) STORED BY 'CarbonData' TBLPROPERTIES( 'foramt'='csv', 'csv.delimiter'=',', 'csv.header'='col1,col2,col100') 2. Load data to this table using ALTER TABLE fact_table ADD SEGMENT LOCATION 'path/to/data1' This closes apache#2374
Support two implementations: 1.LocalCarbonStore for usage in local mode 2.DistributedCarbonStore leveraging multiple server (Master and Workers) via RPC This closes apache#2473
… tables 1)Multiple Projection in plan are supported 2)Scalar sub queries are supported for Carbon Tables
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1)Multiple Projection in plan are supported
2)Scalar sub queries are supported for Carbon Tables
What changes were proposed in this pull request?
In this PR carbon tables will support scalar sub queries for Carbon Tables.
If multiple projections are present in the plan,carbon should support it
Highlights:
In CarbonLateDecodeStrategy need to filter the queries which does not support sub-queries
In CarbonLateDecodeStrategy if one of the projection of the plan is failed,catch the exception and
continue
How was this patch tested?
UT Code