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Supercharge your Proficy solution!  Download a free trial of Proficy Operations Hub, CSense analytics, and more. Explore our Proficy 2025 releases!

  1. Home
  2. Historian User API
  3. Query Modifiers Functions
  4. Query Modifiers Functions Overview
  • Version 2025
  • Version 2024
  • Version 2023
  • Version 2022
  • Version 9.1
  • Version 9.0
  • Version 8.1
  • Version 8.0
  • Version 7.2
  • Release Notes
  • Getting Started Guide
  • Configuration Hub
  • Remote Collector Management
  • Using Historian Administrator
  • Historian Advanced Topics
  • Historian Alarms and Events
  • Historian REST APIs
  • Historian System API
  • Historian User API
    • Historian User API Overview
    • Connect Functions
    • Archiver Functions
    • Tag Functions
    • Write Functions
    • Query Modifiers Functions
      • Query Modifiers Functions Overview
      • ihuBrowseQueryModifiers
      • ihuClearQueryModifiers
      • ihuRetrieveCalculatedDataEx2
      • ihuSetQueryModifiers
    • Read Functions
    • Utility Functions
    • Enumerated Sets Functions
    • User-Defined Type Functions
    • Publish Functions
    • Historian User API Error Codes
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  • Historian SDK
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  • OLE DB Provider
  • The Excel Add-In for Historian
  • The Excel Addin for Operations Hub
  • Trend Client
  • Historian Web Admin Console
  • Extract, Transform, and Load (ETL)

Query Modifiers Functions Overview

You can use query modifier functions to specify various ways to retrieve data from Historian. For example, you can use ONLYGOOD to request only good-quality data, or INCLUDEREPLACED to retrieve replaced values.

Query Modifier Functions

  • ihuBrowseQueryModifiers
  • ihuClearQueryModifiers
  • ihuRetrieveCalculatedDataEx2
  • ihuSetQueryModifiers

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