Merge pull request #478 from splitgraph/arrow-flight-frontend

Add Arrow Flight SQL frontend

Cargo.toml

@@ -22,7 +22,8 @@ include = [
 
 [features]
 catalog-postgres = ["sqlx/postgres"]
-default = ["catalog-postgres", "frontend-postgres", "object-store-s3", "object-store-gcs", "remote-tables"]
+default = ["catalog-postgres", "frontend-arrow-flight", "frontend-postgres", "object-store-s3", "object-store-gcs", "remote-tables"]
+frontend-arrow-flight = ["dep:tonic", "dep:arrow-flight", "arrow-flight/flight-sql-experimental"]
 frontend-postgres = ["convergence", "convergence-arrow"]
 object-store-gcs = ["object_store/gcp"]
 object-store-s3 = ["object_store/aws"]
@@ -32,6 +33,7 @@ remote-tables = ["dep:datafusion-remote-tables"]
 arrow = "47.0.0"
 arrow-buffer = "47.0.0"
 arrow-csv = "47.0.0"
+arrow-flight = { version = "47.0.0", optional = true }
 # For the JSON format support
 # https://github.com/apache/arrow-rs/pull/2868
 # https://github.com/apache/arrow-rs/pull/2724
@@ -49,6 +51,8 @@ config = "0.13.3"
 convergence = { git = "https://github.com/splitgraph/convergence", branch = "datafusion-32-upgrade", optional = true }
 convergence-arrow = { git = "https://github.com/splitgraph/convergence", branch = "datafusion-32-upgrade", optional = true }
 
+dashmap = "5.4.0"
+
 datafusion = "32.0.0"
 datafusion-common = "32.0.0"
 datafusion-expr = "32.0.0"
@@ -67,7 +71,7 @@ object_store = "0.7"
 parking_lot = "0.12.1"
 percent-encoding = "2.2.0"
 pretty_env_logger = "0.4"
-prost = "0.11"
+prost = "0.12.1"
 
 # Needs to be in non-dev because repository::testutils can't be
 # imported by tests::end_to_end if it's cfg(test).
@@ -87,6 +91,7 @@ strum = ">=0.24"
 strum_macros = ">=0.24"
 tempfile = "3"
 tokio = { version = "1.0", features = ["macros", "rt", "rt-multi-thread", "signal", "process"] }
+tonic = { version = "0.10.0", optional = true }
 url = "2.2"
 uuid = "1.2.1"
 warp = "0.3.5"