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Use JSON with ABL Applications

Use JSON with ProDataSets, Temp-tables, and Temp-table Buffers

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Table of Contents
  • Develop with JSON in OpenEdge
    • About JSON
    • JSON basics
    • Use JSON with the ABL data object model
    • Use JSON with ProDataSets, temp-tables, temp-table buffer
  • Use JSON Objects and Arrays
    • JsonObject
    • JsonArray
    • Parse JSON strings into objects and arrays
      • Example: Parse JSON into objects and arrays with ABL
    • Handle object model errors
  • Use JSON with ProDataSets, Temp-tables, and Temp-table Buffers
    • ABL support for JSON
      • Methods and attributes
    • Data type mapping
    • Write JSON from ProDataSets, temp-tables, and temp-table buffers
      • Write JSON from a ProDataSet
      • Write JSON from a temp-table
        • Write JSON from a ProDataSet with before-image data
      • Minimize the size of JSON data
        • Omit the outer object in JSON data
        • Omit foreign key fields in nested child records
        • Omitting fields with initial values
    • Write JSON from a temp-table buffer's current row
    • Read JSON into a temp-table, temp-table buffer, or ProDataSet
      • Read JSON into a data object with defined schema
      • Infer ABL schemas from JSON data
Table of Contents

Use JSON with ProDataSets, Temp-tables, and Temp-table Buffers

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  • Last Updated: January 17, 2024
  • 1 minute read
    • OpenEdge
    • Version 12.8
    • Documentation

The AVM can serialize the data from ABL temp-tables and ProDataSets to JSON data. Similarly, you can read or read and load JSON data into a temp-table or ProDataSet.

Contents
  • ABL support for JSON
  • Data type mapping
  • Write JSON from ProDataSets, temp-tables, and temp-table buffers
  • Write JSON from a temp-table buffer's current row
  • Read JSON into a temp-table, temp-table buffer, or ProDataSet
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