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Esper Complex Event Processing, Streaming SQL and Event Series Analysis

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Hi, There is a bug in conversion of String statement to EPStatementObjectModel and then getting toEPL(). here is an test that shows the problem, note TestFill can be anything: ```...

bug

Esper 8.5.0 When use epl : ``` module yg.EdgeMM; @buseventtype create json schema sessionEdge ( symbol string, ask bigDecimal, bid bigDecimal ) ``` raise exception: ``` 17:15:18.083 [ygtrader-my-pinned-dispatcher-37] ERROR c.e.e.c.internal.util.JaninoCompiler...

bug
help wanted

At EsperOnline Version 8.8.0 I get the following error when using Expression (with params) within sentences with a GROUP BY clause: _"Non-aggregated property 'v' in the HAVING clause must occur...

bug
help wanted

Variables passed to UDFs in event filters evaluate to null if the event originates from a dataflow operator. ``` sql create schema Empty (); create dataflow InputOutput BeaconSource -> events...

enhancement
help wanted

For output suppression Esper allows use of group by output first every which gives instant output for the first unique event, and throttles to maximum of 1 every Issue created...

enhancement
help wanted

When using a `float` value in an arithmetic expression, the expression incorrectly evaluates to a `double` instead of `float`. This leads to a lot of unnecessary casts all over the...

enhancement
help wanted

When PlugInSingleRowFunction's name and stream property name are same, compiler will treat property name as function. ``` import java.util.LinkedHashMap; import java.util.Map; import com.espertech.esper.common.client.EPCompiled; import com.espertech.esper.common.client.configuration.Configuration; import com.espertech.esper.common.client.configuration.compiler.ConfigurationCompilerByteCode; import com.espertech.esper.compiler.client.CompilerArguments; import...

include in next major release

According to Esper IO documentation (http://www.espertech.com/esper/release-5.2.0/esperio-reference/html/adapter_file.html#csv-step-1) the CSVInputAdapter can only handle POJO events. It would be nice to be able to use Immutable Objects (with final fields, Constructior and getter...

enhancement
help wanted

Dear all, During the last 10 years, I've been working with the Esper CEP engine. In the last versions of the engine, I find the support of dataflows very powerful....

enhancement
help wanted