PI Developer Technologies

Welcome to the PI Developer Technologies feedback page!  

This forum covers the PI AF SDK, PI Web API, PI OPC DA and HDA Servers, and the PI SQL family. We created this forum to hear your ideas, feature suggestions and feedback. Please suggest your most important features and design change ideas on this site, and vote for your favorite ideas.

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  1. Complete PI Web API documentation

    As a PI Web API user I want to know exactly what kind of Body Parameters (their defaults and description) are supported by PI Web API methods. The current sample requests are not sufficient because they do not describe the values for body parameter, though many parameters have unique restrictions.

    Here is an example of desired content:
    https://developers.jivesoftware.com/api/v3/cloud/rest/StreamEntity.html

    27 votes
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    1 comment  ·  Help / Documentation / Videos  ·  Flag idea as inappropriate…  ·  Admin →
    PLANNED  ·  Ray Verhoeff responded

    We have received a lot of feedback on this. We are looking at on-line help with better samples of queries and responses. We are looking at some web frameworks for offering a live “Try It” feature for PI Web API. We are also looking at comprehensive search within the PI Web API help system.

  2. Add DATEADD and DATEDIFF functions to PI SQL Commander

    When any time related functions need to be performed against timestamp columns in PI SQL Commander, one needs to utilize a significant amount of conversions to make this work. For example, if one needs to round timestamps to the nearest minute or the nearest hour, a CASE statement with multiple CASTs needs to be done to get this to work.

    If T-SQL DATEADD and DATEDIFF commands were implemented, this would simplify the query by a significant amount. Similarly, in PL/SQL, the ROUND function is able to round the datetime value directly, which would fit perfectly to this scenario.

    13 votes
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    0 comments  ·  PI OLEDB Enterprise  ·  Flag idea as inappropriate…  ·  Admin →
    PLANNED  ·  Ray Verhoeff responded

    We are planning to add several functions that are equivalent to T-SQL functions. This will make it easier for the PI SQL products to integrate with the Linked Server in Microsoft SQL Server.

  3. Allow PIOLEDB Enterprise to connect directly to a PI Data Archive

    If PI OLEDB Provider is not going to be further developed, allow PI OLEDB Enterprise to connect directly to a PI Data Archive.
    There are times when an SQL type query is needed, but the data structure has not been mapped to an AF server yet.

    7 votes
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    5 comments  ·  PI OLEDB Enterprise  ·  Flag idea as inappropriate…  ·  Admin →
    PLANNED  ·  Ray Verhoeff responded

    We have a new SQL query processing engine under construction. We call it the Real-Time Query Processing Engine, or RTQP Engine. We are targeting improved performance and scalability but we are also improving some of the table designs to make common queries a bit easier. We have talked to many customers about their use cases. It turns out that direct access to PI Data Archive tags is still very important. We also found several hybrid use cases such a summarizing values from a PI tag over the period of an Event Frame, and Kenneth Barber’s excellent example of aligning AF Attributes with PI Point attributes. So, we will be adding direct access to PI tags and data but not in the first release.

  4. Improve AF Search PI AF SDK with ORed option

    PI AF SDK - Search Query Syntax - Filters

    Allow results to be ORed. Currently Results can only be ANDed.

    4 votes
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    0 comments  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →

    This is planned for the 2018 R2 release for AF based searches. Note that while the user interface in PSE will allow OR clauses to be typed in, there will not yet be a user interface in 2018 R2 to help you build OR clauses.

  5. Mention in the AF SDK reference documentation that exception is not applied by the UpdateValues method

    The UpdateValues method does not implement by itself the exception mechanism. Exception is applied on the client side, for instance by UniInt interfaces.

    As a developer,  I would like this fact to be mentioned in the documentation to avoid confusion:
    https://techsupport.osisoft.com/Documentation/PI-AF-SDK/html/M_OSIsoft_AF_Data_AFData_UpdateValues_1.htm

    3 votes
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    1 comment  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →
  6. Whitelist/Blacklist KST Members

    As a user, I would like to restrict connections from the PI OPC Server to only some members of the KST by either implementing a whitelist or a blacklist.

    3 votes
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    PLANNED  ·  1 comment  ·  OPC DA & HDA Servers  ·  Flag idea as inappropriate…  ·  Admin →
  7. Add the “Create Timestamps” functionality back into the OPC DA Server product

    In the PI OPC DA/HDA Server 2010 product, there was a “Create Timestamps” functionality (found in the OPCServerConfig Tool). This option had the PI OPC Server create timestamps for OPC clients. I rely on this functionality heavily for an OPC client I use every day. Thus, currently I have to stay on PI OPC DA/HDA Server 2010 since this functionality was removed from the newer version. I would like to have this functionality back.

    3 votes
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    0 comments  ·  OPC DA & HDA Servers  ·  Flag idea as inappropriate…  ·  Admin →
    PLANNED  ·  Ray Verhoeff responded

    We understand this feature is important and we are planning to restore it. We will give you an update on the release schedule when this is finalized.

  8. Add searchFullHierarchy property for GetAttributeTemplates

    It should be possible to get all nested attribute templates without having to make multiple calls to the Web API.

    0 votes
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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
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