Frame using Vector with the trace function

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  Hello
  
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  "ORA-00979"when the CDC feature (logging) using ODI with Modules of knowledge including the aggregate SQL function works [ID 424344.1]
  Updated 11 March 2009 Type status MODERATE PROBLEM

  In this Document
  Symptoms
  Cause
  Solution
  Alternatives:

  This document is available to you through process of rapid visibility (RaV) of the Oracle's Support and therefore was not subject to an independent technical review.

  Applies to:
  Oracle Data Integrator - Version: 3.2.03.01
  This problem can occur on any platform.
  Symptoms
  After successfully testing UI integration ODI using a function of aggregation such as MIN, MAX, SUM, it is necessary to implement change using tables of Journalized Data Capture operations.

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  ORA-00979: not a GROUP BY expression
  Cause
  Using the two CDC - logging and functions of aggregation gives rise to complex problems.
  Solution

  Technically, there is a work around for this problem (see below).
  WARNING: Problem of engineers Oracle a severe cautioned that such a type of establishment may give results that are not what could be expected. This is related to how ODI logging is applied in the form of specific logging tables. In this case, the aggregate function works only on the subset that is stored (referenced) in the table of logging and on completeness of the Source table.

  We recommend that you avoid this type of integration set ups Interface.
  Alternatives:

  1. the problem is due to the JRN_ * missing columns in the clause of "group by" SQL generated.

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  with
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  <%if ((odiRef.getGrpBy().length() > 0) && (odiRef.getPop("HAS_JRN").equals("1"))) {%>
  JRN_FLAG, JRN_SUBSCRIBER, JRN_DATE
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  2. it is possible to develop two alternative solutions:

  (a) develop two separate and distinct integration Interfaces:

  * The first integration Interface loads the data into a temporary Table and specify aggregate functions to use in this initial integration Interface.
  * The second integration Interfaces uses the temporary Table as Source. Note that if you create the Table in the Interface, it is necessary to drag and drop Interface for integration into the Source Panel.

  (b) define the two connections to the database so that separate and distinct references to the Interface of two integration server Data Sources (one for the newspaper, one of the other Tables). In this case, the aggregate function will be executed on the schema of the Source.

  Display related information regarding
  Products

  * Middleware > Business Intelligence > Oracle Data Integrator (ODI) > Oracle Data Integrator

  Keywords
  ODI; AGGREGATE; ORACLE DATA INTEGRATOR; KNOWLEDGE MODULES; CDC; SUNOPSIS
  Errors
  ORA-979

  Please find above the content of the RTO.
  It should show you this if you search this ID in the Search Knowledge Base

  See you soon
  Sachin

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  I had a problem with the request method based on the file "aiex2.cpp", available on the site by using ni6143. It comes to the actual sampling rate. On the datasheet, it is said that the ni6143 could have the ability to data acquisition with speed of 250 kHz per channel, which means that each data could be acquired in 4th-6 second. So here's my question: if I use all 8 channels (each to 250 kHz), this means that I have to use 8 [channels] * 4th-6 [seconds] = [seconds] to get a data set (one for each channel), 32nd-6 or I can use only 4-6 [seconds] to get? I use the method of application based on aiex2.cpp for the experience of the trial. Inorder to check exactly what is the sampling rate, I/o digital set up a signal in the maximum power before gain on demand and set low during data acquisition is complete. It shows the oscillograph than the actual time for the acquisition of a set of data (one for each channel) when I use 8 channels (each to 250 kHz) is about 32-6 [seconds], which means that the device acquires data by a channel channel, not at the same time. I want to know if there is any setting that I have to settle with the registers, or request method could not acquire data with 8 channels simultaneously. My code is exactly the same with the file "aiex2.cpp".

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  http://www.NI.com/PDF/manuals/340934b.PDF (see section 2.4.3.3)

  Steven T.