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"Non-ID" keys #117

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"Non-ID" keys #117

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@nils nils commented Sep 17, 2024

In our project, we are dealing with a legacy data model that does not follow the best practices regarding primary keys, and there is nothing we can change about it in the mid term.

This PR aims at introducing the capability to deal with change logs for entities with complex/composite keys.

It does not cover all scenarios, but at least some situations.

@nils nils mentioned this pull request Sep 17, 2024

for (let idx = 0; idx < paths.length; idx++) {
const entity = getEntityByContextPath(paths.slice(0, idx + 1), txContext.hasComp)
const entityID = entityIDs[idx]
const entityPathVal = `${entity.name}(${entityID})`
const entityPathVal = {target: entity.name, key: entityID};
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This illustrates one main change: paths are expressed as JSON arrays like

[{target: "RootEntity", key: {ID: "..."}}, {target: "Level1Entity", key: {ID: "..."}}]

instead of

"RootEntity(...)/Level1Entity(...)"

serviceEntity: target.name || target,
changes: changes.filter(c => c.valueChangedFrom || c.valueChangedTo).map((c) => ({
...c,
serviceEntityPath: stringifyPath(c.serviceEntityPath),
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As discussed, if there is a single-key situation, we now serialize paths to the 'old' format before saving to the db.

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2 participants