[dna-issues] [JBoss JIRA] Created: (DNA-552) Support BETWEEN and NOT BETWEEN in WHERE clause of SQL language and abstract query model

Support BETWEEN and NOT BETWEEN in WHERE clause of SQL language and abstract query model ---------------------------------------------------------------------------------------- Key: DNA-552 URL: https://jira.jboss.org/jira/browse/DNA-552 Project: DNA Issue Type: Feature Request Components: Graph Affects Versions: 0.6 Reporter: Randall Hauch Assignee: Randall Hauch Fix For: 0.7 Our search/query implementation will perform much better when it can detect a range of values in a criteria. Currently, ranges can only be specified using the form "WHERE ... <dynamicOperand> <operator1> <staticOperand1> ... AND <dynamicOperand> <operator2> <staticOperand2> ..." For example: WHERE ... DEPTH(myType) >= 3 AND DEPTH(myType) <=6 SQL already has a BETWEEN operator (and corresponding NOT BETWEEN operator) that makes this not only more concise but also more easily understandable and obvious about the intent: WHERE ... DEPTH(myType) BETWEEN 3 and 6 This concept would also have to be added to the abstract query model, and in particular as a subclass of Constraint that has a DynamicOperand and two StaticOperand values. And by adding this specialization of Constraint, we can add an optimizer rule that looks for ANDed constraints that represent a range on a DynamicOperand, and rewrite the constraints as a BETWEEN (or NOT BETWEEN). Note that a NOT BETWEEN would simply wrap a BetweenCriteria with a Not. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira