Dear , you are right that Calcite does not support ALTER TABLE yet. ALTER TABLE is meaningful and necessary when the engine has a Catalog/MetadataStore that can persist the table definitions. Calcite does not support external metadata-store read/write, we only support static schema read(from json).
Here is the full syntax for DDL so far [1] [1] https://github.com/apache/calcite/blob/master/server/src/main/codegen/includes/parserImpls.ftl Best, Danny Chan 在 2020年3月27日 +0800 AM8:23，Antonio Gelameris <antonio.gelame...@lastminute.com>，写道： > Hello to everyone! > I was trying to understand whether it's possible to parse ALTER TABLE > statements or not (like the ones supported in MYSQL). > After some hours googling, I have the feeling that according to > documentation (https://calcite.apache.org/docs/reference.html#ddl-extensions) > it's not possible (they're not mentioned), neither using > SqlDdlParserImpl.FACTORY in calcite-server, since the internal > representation required to describe a state change like this is too > different from the current one, am I right? > Thanks for your time and help! > --- > Antonio > > -- > > > > > Listed on SIX Swiss Exchange > > > Our websites: lmgroup.lastminute.com | > <http://lmgroup.lastminute.com/> lastminute.com <http://lastminute.com/> | > weg.de <http://weg.de/> | jetcost.com <http://jetcost.com/> | > volagratis.com <http://volagratis.com/> | rumbo.es <http://rumbo.es/> | > bravofly.com <http://bravofly.com/> | hotelscan <https://hotelscan.com/it> > | crocierissime <https://www.crocierissime.it/> > > > This e-mail may contain > confidential and/or privileged information. If you are not the intended > recipient (or have received this e-mail in error) please notify the sender > immediately and destroy this e-mail. Any unauthorized copying, disclosure > or distribution of the material in this e-mail is strictly forbidden and > could be a crime. The contents of this email are not personal and therefore > the answers to this email may be known, within the limits allowed by > company policies, by the organization of the sender.
