Esper release 3.2

[Thomas Bernhardt]

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We are glad to announce version Esper 3.2 released on Sept. 6.

We have again added a number of features based on the discussion within this community and other feedback, also keeping up with developing standards in this field. We thank you for all the contributions and constructive input.

Best regards,
Tom

Changes in version 3.2.0
------------------------

Major API changes
  - None
 
New Features
  - Support to the proposed SQL standard "match_recognize", a regular expression-based event pattern matching language
  - Support for isolated service providers, which allow to control event visibility and time-related behavior on a statement level, i.e. suspend, preload or catch-up statements
  - Support for "update istream" which allows declarative modification of event properties of events entering a stream.
  - Support for "distinct" in the select clause
  - Support for "output after" syntax to discard of events until time period passed
  - Support for "limit" clause for on-select and on-insert

Minor changes 
  - Fixed issue ESPER-386 "Output when" with variables fails when multiple statements refer to same variable
  - Fixed issue ESPER-385 NPE thrown on removeAllListeners for destroyed statement
  - Fixed issue ESPER-382 ConcurrentModificationException for named window select/insert/delete
  - Fixed issue ESPER-376 Restriction in element not parsing to right type for XSD-backed event type
  - Fixed issue ESPER-375 Contained event selection for certain XML creates ClassCastException
  - Fixed issue ESPER-373 NPE in output rate limiting using SODA
  - Fixed issue ESPER-371 Using Esper 3.1.1, a POJO type of float isn't supported in the statements
  - Fixed issue ESPER-370 Exception compiling pattern with repeat operator and filter using repeated property within the repeat operator itself
  - Fixed issue ESPER-368 XML schema property plus XPath with the same property name produce incorrect result if schema and XPath typing don't match
  - Fixed issue ESPER-367 OutOfMemory issue when a group-by expression returns an unlimited number of values
  - Fixed issue ESPER-366 Missing export of package com.espertech.esper.event.property
  - Fixed issue ESPER-365 Import EPL built in annotation by default
  - Fixed issue ESPER-362 Error "Iteration over a unidirectional join is not supported" at statement start in a stream to window join
  - Documentation and performance improvements