Return Query Error for non existent DC#825

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samuelorji wants to merge 3 commits intoscylladb:mainfrom samuelorji:fix/dc-error

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Commits on Oct 17, 2023

create a new query error called NoKnownNodeFoundError that is returned when there are no known nodes found during query plan and avoid ambiguity
samuelorji
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review feedback
samuelorji
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Commits on Oct 19, 2023

review feedback: use unique keyspace and generic create session builder
samuelorji
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