jmckenzie-dev commented on code in PR #3562: URL: https://github.com/apache/cassandra/pull/3562#discussion_r1920442547
########## doc/modules/cassandra/pages/developing/cql/constraints.adoc: ########## @@ -0,0 +1,93 @@ += Constraints + +Constraints provide a way of specifying and enforcing conditions at a +column level in a table schema definition and enforcing them at write time. + +== CREATE CONSTRAINT + +Constraints can be created within the column definition, or as part +of the table properties. + +The main syntaxis to define a constraint is as follows: + +[source,bnf] +---- +CREATE TABLE keyspace.table ( + name text, + i int CHECK (condition) (AND (condition))* Review Comment: Oh, is this the whole "don't change the CEP after it's drafted and voted upon" problem? I don't like that it leaves CEP's in an inaccurate state over time. But no worries; this is not a "you" problem here. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
