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Fix to #28845 - JSON: add support for partial update to update just a single scalar property, rather than entire entities #28862

Merged
merged 1 commit into from
Aug 25, 2022
Merged

Fix to #28845 - JSON: add support for partial update to update just a single scalar property, rather than entire entities #28862

merged 1 commit into from
Aug 25, 2022

Commits on Aug 25, 2022

  1. Fix to #28845 - JSON: add support for partial update to update just a… 

    … single scalar property, rather than entire entities

Optimization for partial updates - when only one property is modified on the entity we can change it directly, rather than rewriting the JSON element for the entire entity.
To avoid string formatting issues we construct faux JSON array and insert the value that is to be the replacement, and then in the update statement we extract the value using JSON_VALUE.
In case of numeric or bool we need an additional convert statement around the value.

Fixes #28845
    @maumar
    maumar committed Aug 25, 2022
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