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README.md |
ES|QL core
This project originated as a copy of the ql
x-pack plugin.
It contains some fundamental classes used in esql
, like Node
, its subclasses Expression
, QueryPlan
, and the plan optimizer code.
Originally, ql
shared classes between ES|QL, SQL and EQL, but ES|QL diverged far enough to justify a split.
Warning
- Consider the contents of this project untested.
There may be some tests in
sql
andeql
that may have indirectly covered the initial version of this (when it was copied fromql
); but neither do these tests apply toesql
, nor do they even run against this. - Consider this project technical debt.
The contents of this project need to be consolidated with the
esql
plugin. In particular, there is a significant amount of code (or code paths) that are not used/executed at all inesql
.