Release v1.11.8

- Prevent query results from being written when the results is empty. ([Github #21](https://github.com/mithrandie/csvq/issues/21))

Release v1.11.7

- Fix misspellings in the syntax subcommand.

Release v1.11.6

- Modify the behavior of enclosures completion on the interactive shell. ([Github #12](https://github.com/mithrandie/csvq/issues/12))

Release v1.11.5

- Add a built-in function. ([Github #10](https://github.com/mithrandie/csvq/pull/10))
  - String Function
      - SUBSTRING

Release v1.11.4

- Fix the following bug.
  - NOT IN operator returns incorrect result in some cases.

Release v1.11.3

- Implement FETCH clause that can be used in place of LIMIT clause in SELECT query.
- Fix the following bug.
  - FALSE takes precedence over UNKNOWN in NOT IN expression.

Release v1.11.2

- Add built-in functions.
  - Aggregate Functions
    - STDEV
    - STDEVP
    - VAR
    - VARP
  - Analytic Functions
    - STDEV
    - STDEVP
    - VAR
    - VARP

Release v1.11.1

- Fix the following bugs.
  - Subqueries in recursive queries cannot reference that temporary tables.

Release v1.11.0

- Enable enclosure characters to be escaped with double enclosures.
- Add the command option "--ansi-quotes".
- Add the Flag "@@ANSI_QUOTES".
- Fix the following bugs.
  - Double backspaches in a string cannot be parsed correctly.
  - Escaping in external command syntax cannot be parsed correctly.
  - Versions are not compared correctly in check-update subcommand.

Pre-release v1.11.0-pr.2

Fix the following bug.
- Versions are not compared correctly in check-update subcommand.