xephonhq / tsdb-ql Goto Github PK
View Code? Open in Web Editor NEW(Deprecated) A Time Series Database Query Language, see https://github.com/libtsdb and https://github.com/at15/reika
License: MIT License
(Deprecated) A Time Series Database Query Language, see https://github.com/libtsdb and https://github.com/at15/reika
License: MIT License
In Bigtable, google present a language called Sawzall which is client supplied but can be run on the address space of servers https://static.googleusercontent.com/media/research.google.com/en//archive/sawzall-sciprog.pdf
Atlas Stack Language is designed to be a stable method of representing complex data queries in a URL-friendly format. It is loosely based on the RPN expressions supported by Tobias Oetiker's rrdtool. The following is an example of a stack language expression:
Related #3 pboyer/antlr4#93
Comparing the Java code and the Go runtime, the visit
method should call tree.accept(visitor)
The code is in AbstractParseTreeVisitor.java
public T visit(ParseTree tree) {
return tree.accept(this);
}
Accept
methods in *_parser.go
Related pboyer/antlr4#93
Met this problem in 08e6f68
I think the problem might be the golang runtime, but it could also be mine, there is no doc for visitor pattern
BaseParseTreeVisitor
https://github.com/antlr/antlr4/blob/master/runtime/Go/antlr/tree.go#L67 does nothing but return nilParseTreeVisitor
got a TODO
and commented out code https://github.com/antlr/antlr4/blob/master/runtime/Go/antlr/tree.go#L73Conclusion
TSQL is already used by SQL server https://en.wikipedia.org/wiki/Transact-SQL . Maybe xephon-ql ....
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