RDBMS for Urbit
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urQL

Scripting language grammar and parser for an Urbit RDBMS.

Pull Requests are appreciated, but you should start a discussion before you proceed. If green-lit then open an issue.

Usage

Build the library.

=parse -build-file /=urql=/lib/parse/hoon

Submit a command for parsing in the dojo.

(parse:parse(current-database 'db1') "FROM foo SELECT TOP 10 *")

Successful commands will return a typed list of commands parsed into their respective data structures.

Utilities

Error messages and failed tests return untyped hoon data, which looks like a blizard of big numbers. To make it suitable for human viewing there is a utility to change the atom big numbers to cords for all the urQL key words, type-tags, and many of the variable names.

  1. Install the latest dotnet. Works on Linux and Mac.
  2. Save the noun the dojo gave you to a file.
  3. The utility will add '2' to the file name and save it (e.g. input.txt becomes input.txt2)
> dotnet fsi display-hoon.fsx input.txt

> cat input.txt2
[[%selected-aggregate COUNT %qualified-column [%qualified-object 0 'UNKNOWN' 'COLUMN-OR-CTE' %foo] %foo 0] %as CountFoo]