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11 Commits

Author SHA1 Message Date
Yao Zongyou ec9bfd3aef speed up the performance of s3select on csv (#7945) 2019-08-31 00:07:40 -07:00
Kanagaraj M 12353caf35 Fix: Support Unicode delimiters in s3 select (#7931) 2019-07-17 19:10:17 +01:00
Yao Zongyou c4f480a839 fix csv read bug (#7885) 2019-07-05 12:08:56 -07:00
Yao Zongyou 037319066f fix unicode support related bugs in s3select (#7877) 2019-07-05 09:43:10 -07:00
kannappanr 5ecac91a55
Replace Minio refs in docs with MinIO and links (#7494) 2019-04-09 11:39:42 -07:00
Aditya Manthramurthy e463386921 Add JSON Path expression evaluation support (#7315) 
- Includes support for FROM clause JSON path
 2019-03-09 08:13:37 -08:00
Aditya Manthramurthy f4879ed96d Use jstream to serialize records to JSON format in S3Select (#7318) 
- Also, switch to jstream to generate internal record representation
  from CSV/JSON readers

- This fixes a bug in which JSON output objects have their keys
  reversed from the order they are specified in the Select columns.

- Also includes a fix for tests.
 2019-03-07 00:20:10 -08:00
Harshavardhana 2520e535a0
Allow lazyQuotes for certain types of CSV (#7278) 
Set lazyQuotes to true, to allow a quote to appear
in an unquote field and a non-doubled quote may
appear in a quoted field.
 2019-02-24 06:51:02 -08:00
Aditya Manthramurthy 4aa9ee153b Fix S3 Select request XML parsing (#7202) 2019-02-06 13:25:52 -08:00
Aditya Manthramurthy 2786055df4 Add new SQL parser to support S3 Select syntax (#7102) 
- New parser written from scratch, allows easier and complete parsing
  of the full S3 Select SQL syntax. Parser definition is directly
  provided by the AST defined for the SQL grammar.

- Bring support to parse and interpret SQL involving JSON path
  expressions; evaluation of JSON path expressions will be
  subsequently added.

- Bring automatic type inference and conversion for untyped
  values (e.g. CSV data).
 2019-01-28 17:59:48 -08:00
Bala FA b0deea27df Refactor s3select to support parquet. (#7023) 
Also handle pretty formatted JSON documents.
 2019-01-08 16:53:04 -08:00