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  2. Historian User API
  3. Query Modifiers Functions
  4. Query Modifiers Functions Overview
  • Version 2025
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  • Version 9.1
  • Version 9.0
  • Version 8.1
  • Version 8.0
  • Version 7.2
  • 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
    • Historian User API Sample Programs

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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