trs/wip/json-schema #243
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trs/wip/json-schema #243
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Vendors <https://github.com/gavinwahl/postgres-json-schema> by unbundling the extension into a vanilla function. Since we intend to stay compatible with cloud database providers (Azure, AWS), we can't install custom Pg extensions. Luckily, this JSON Schema extension is written in PL/pgSQL and under an MIT-style license, which means we can vendor the definitions very easily ourselves. I tweaked the functions to mark them parallel-safe and to return null (instead of true!) when given a null JSON document to validate.
Light validation to ensure consistent high-level structure while leaving the identifiers for source and target material up to convention. JSON Schema validation happens in the database itself, following the principle of making the database the ultimate authority on data integrity and validation.
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Example of using JSON Schema to validate or partially validate/constrain some of our
documentordetailscolumns. Outdated due to early format forreceiving.presence_absencethat was never used, but usage of JSON Schema in the database maybe useful to think about again as the API surface increases.