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Support of querying based on meta data #78
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Thanks for opening this issue! GOLs currently do not store metadata of features. Metadata support is not on our road map as of now, but we may consider adding it if there is sufficient demand. Below are some thoughts on use cases and technical aspects: Metadata in OSMWhat is stored in OSM-PBF:
(Separate changeset files track other metadata related to the entire changeset: sources, tags, QA flags, etc.) Potential use cases
Typical queriesIn addition to current GOQL syntax, would likely need to support these queries:
Possible ways to store metadata in a GOL
Metadata as "first class" dataAdvantages:
Drawbacks:
Notes:
Generate synthetic tags based on metadataWe could turn metadata into tags when a GOL is built. Advantages:
Drawbacks:
Related: Proposed Tag Transformations (clarisma/gol-tool#85) Changes to Query Engine
Open issues
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Couldn't find anything regarding whether the meta data like user name or creation date of nodes/ways/relations can be queried or whether it's planned at all in any future version?
It might be quite useful to filter for own data or stuff like this.
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