A CreateTable request defines the KeySchema of the base table and each
of its GSIs and LSIs. It also needs to give an AttributeDefinition for
each attribute used in a KeySchema - which among other things specifies
this attribute's type (e.g., S, N, etc.). Other, non-key, attributes *do
not* have a specified type, and accordingly must not be mentioned in
AttributeDefinitions.
Before this patch, Alternator just ignored unused AttributeDefinitions
entries, whereas DynamoDB throws an error in this case. This patch fixes
Alternator's behavior to match DynamoDB's - and adds a test to verify this.
Besides being more error-path-compatible with DynamoDB, this extra check
can also help users: We already had one user complaining that an
AttributeDefinitions setting he was using was ignored, not realizing
that it wasn't used by any KeySchema. A clear error message would have
saved this user hours of investigation.
Fixes#19784.
Signed-off-by: Nadav Har'El <nyh@scylladb.com>
Closesscylladb/scylladb#20378
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