Marco Neumann a0bbbdb197 refactor: use dedicated in-memory `Expr` type during IO ... Place a dedicated `Expr` type between datafusion and protobuf. While this type is currently only used during serialization, it will be used within `Predicate` in a follow-up change to enable de-duplication of predicates and avoid the double parsing of datafusion expressions (we are already somewhat parsing them when we check for valid delete predicates). This change looks larger than it is. In practice it just separates the conversion "datafusion => protobuf" into "datafusion => IOx => protobuf" and "protobuf => datafusion" into "protobuf => IOx => datafusion". So (apart from the error types) this is functionally the same.		2021-10-04 09:59:14 +02:00
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src	refactor: use dedicated in-memory `Expr` type during IO	2021-10-04 09:59:14 +02:00
Cargo.toml	refactor: use dedicated in-memory `Expr` type during IO	2021-10-04 09:59:14 +02:00