Comments (2)
Changes committed to trunk:
QueryFactory.existsIn(IndexedCollection<F> foreignCollection, Attribute<O, A>
localKeyAttribute, Attribute<F, A> foreignKeyAttribute)
and
QueryFactory.existsIn(IndexedCollection<F> foreignCollection, Attribute<O, A>
localKeyAttribute, Attribute<F, A> foreignKeyAttribute, Query<F>
foreignRestrictions)
Example usage:
http://cqengine.googlecode.com/svn/cqengine/trunk/src/test/java/com/googlecode/c
qengine/examples/join/SqlExists.java
Also, using this support for JOINs between indexed collections:
http://cqengine.googlecode.com/svn/cqengine/trunk/src/test/java/com/googlecode/c
qengine/examples/join/SqlExistsBasedJoin.java
Original comment by [email protected]
on 27 Jan 2013 at 10:11
- Changed title: Add support for SQL EXISTS and exists-based JOIN
- Added labels: Type-Enhancement
- Removed labels: Type-Defect
from cqengine.
Original comment by [email protected]
on 27 Jan 2013 at 10:12
- Changed state: Done
from cqengine.
Related Issues (20)
- Auto-generate attributes HOT 2
- FilteringIterator.hasNext advances iterator every time it is called. HOT 6
- Recommendation on ID indexes HOT 1
- And.calcHashCode being performance Bottlneck HOT 11
- Set.add semantics is not perfect. HOT 4
- Set remove() and removeAll() doesn't follow substitutability principle. HOT 4
- Add listeners (observers) to IndexedCollection HOT 5
- Add support for query "dialects" like SQL HOT 2
- Documentation for selective READ_COMMITTED transaction isolation using RW lock HOT 2
- Support lock-free READ_COMMITTED transaction isolation via multiple buffering HOT 2
- DeduplicationStrategy.MATERIALIZE broken in 1.2.4 HOT 1
- Modify Or/And to allow only one child. HOT 2
- Comparing two objects? HOT 1
- ObjectLockingIndexedCollection's StripedLock does not handle negative hashcodes HOT 1
- Multiversion concurrency control(MVCC) should be implemented for transaction isolation HOT 2
- Query CONSISTENTLY slower with the addition of NavigableIndex HOT 1
- Provide the way to determine how much memory used by index HOT 2
- Attribute#getValues to return Iterable HOT 1
- deduplication not return duplicate objects from the collection HOT 3
- IllegalArgumentException when ResultSet.getMergeCost() changes during query HOT 3
Recommend Projects
-
React
A declarative, efficient, and flexible JavaScript library for building user interfaces.
-
Vue.js
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
-
Typescript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
-
TensorFlow
An Open Source Machine Learning Framework for Everyone
-
Django
The Web framework for perfectionists with deadlines.
-
Laravel
A PHP framework for web artisans
-
D3
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
-
Recommend Topics
-
javascript
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
-
web
Some thing interesting about web. New door for the world.
-
server
A server is a program made to process requests and deliver data to clients.
-
Machine learning
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
-
Visualization
Some thing interesting about visualization, use data art
-
Game
Some thing interesting about game, make everyone happy.
Recommend Org
-
Facebook
We are working to build community through open source technology. NB: members must have two-factor auth.
-
Microsoft
Open source projects and samples from Microsoft.
-
Google
Google ❤️ Open Source for everyone.
-
Alibaba
Alibaba Open Source for everyone
-
D3
Data-Driven Documents codes.
-
Tencent
China tencent open source team.
from cqengine.