stanistan / aql-parser

Completely useless as of now. Goal: Create a grammar and use a parser generator.

AQL Parser

The purpose AQL is to be able to turn this:

table { field1, field2, field3 }

into

SELECT table.field1, table.field2, table.field3 FROM table;

or, with a variance of a restraint that will be configurable.

SELECT table.field1, table.field2, table.field3 FROM table WHERE table.active = 1;

Credit

Using this as a Parser Generator to replicate and improve upon AQL.

Run and compile the parser generator

In git directory, run:

$ ./pacc -i src/aql.y  -o lib/AQL/Parser.php -f

To Do:

• Add tests
• Make actual SQL out of the AQL. (although this ends up being fairly trivial)
• Enable a DB adapter so joins can be constructed automatically using foreign keys.
• Allow for optional table constraints (active = 1)
• Infinite Recursion for inner queries, and possibly subqueries, the current version does not support subqueries.
• Fix how the tokens are actually made (currently just stdClass with two properties).