StackQL Parser

This is the stackql parser, a forked descendent of vitess; we are deeply grateful to and fully acknowledge this work.

There are elements of the original work that are not required, but may take some time to excise.

Rebuilding parser

make -C go/vt/sqlparser

After changes to the ast:

cicd/build_scripts/01_ast_rebuild.sh

Unless otherwise noted, source files are distributed under the Apache Version 2.0 license found in the LICENSE file.

Session configuration reset syntax and its host contract are described in Session configuration reset.