Hey, Peer Arimond ~ The server module is really a good start for extending the parser, you can take a reference if you want to have custom syntax.
I don’t get what you mean by “print the sql node”, but if you want to unparse the SqlNode to original sql string, invoke the SqlNode#toString is okey. Best, Danny Chan 在 2019年9月22日 +0800 AM4:31，Peer Arimond, INF-I <[email protected]>，写道： > Hello Apache Calcite, > > I´m currently working on a project, wich connects diffrent database systems, > relational such as nosql. Part of the project is to translate an SQL query > into our own model of relational algebra. After making some research i saw > Apache Calcite and especially the SQL Parser of Apache Calcite and i think it > could help me a lot. > Is there only the documentation or are there may be more guides or something > to get deeper into the SQL Parser? > I want to parse a query and walk recursively over each node from the query > tree and for example print every Node and it´s function. > If i could achieve that it would be a good beginning. May be you can help? > > Greetings, > > Peer Arimond > > -- > http://webmail.fh-trier.de >
