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Commit Graph

Author	SHA1	Message	Date
Aditya Manthramurthy	f04f8bbc78	Add support for Timestamp data type in SQL Select (#7185 ) This change adds support for casting strings to Timestamp via CAST: `CAST('2010T' AS TIMESTAMP)` It also implements the following date-time functions: - UTCNOW() - DATE_ADD() - DATE_DIFF() - EXTRACT() For values passed to these functions, date-types are automatically inferred.	6 years ago
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).	6 years ago

Author

SHA1

Message

Date

Aditya Manthramurthy

f04f8bbc78

Add support for Timestamp data type in SQL Select (#7185 )

This change adds support for casting strings to Timestamp via CAST:
`CAST('2010T' AS TIMESTAMP)`

It also implements the following date-time functions:
  - UTCNOW()
  - DATE_ADD()
  - DATE_DIFF()
  - EXTRACT()

For values passed to these functions, date-types are automatically
inferred.

6 years ago

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).

6 years ago

2 Commits (89e45d069501875ba25cb595106da48b277a2bcd)