ARROW-11626: [Rust][DataFusion] Move [DataFusion] examples to own project

.github/workflows/rust.yml

@@ -116,8 +116,8 @@ jobs:
           # run tests on all workspace members with default feature list
           cargo test
           # test datafusion examples
-          cd datafusion
-          cargo test --no-default-features --features cli
+          cd datafusion-examples
+          cargo test --no-default-features
           cargo run --example csv_sql
           cargo run --example parquet_sql
           cd ..

dev/release/00-prepare-test.rb

@@ -288,6 +288,13 @@ def test_version_pre_tag
                         "+version = \"#{@release_version}\""],
                      ],
                    },
+                   {
+                    path: "rust/datafusion-examples/Cargo.toml",
+                    hunks: [
+                      ["-version = \"#{@snapshot_version}\"",
+                       "+version = \"#{@release_version}\""],
+                    ],
+                   },
                    {
                      path: "rust/datafusion/Cargo.toml",
                      hunks: [
@@ -297,8 +304,6 @@ def test_version_pre_tag
                         "-parquet = { path = \"../parquet\", version = \"#{@snapshot_version}\", features = [\"arrow\"] }",
                         "+arrow = { path = \"../arrow\", version = \"#{@release_version}\", features = [\"prettyprint\"] }",
                         "+parquet = { path = \"../parquet\", version = \"#{@release_version}\", features = [\"arrow\"] }"],
-                       ["-arrow-flight = { path = \"../arrow-flight\", version = \"#{@snapshot_version}\" }",
-                        "+arrow-flight = { path = \"../arrow-flight\", version = \"#{@release_version}\" }"]
                      ],
                    },
                    {
@@ -535,6 +540,13 @@ def test_version_post_tag
                         "+version = \"#{@next_snapshot_version}\""],
                      ],
                    },
+                   {
+                    path: "rust/datafusion-examples/Cargo.toml",
+                    hunks: [
+                      ["-version = \"#{@release_version}\"",
+                      "+version = \"#{@next_snapshot_version}\""],
+                  ],
+                   },
                    {
                      path: "rust/datafusion/Cargo.toml",
                      hunks: [
@@ -544,8 +556,6 @@ def test_version_post_tag
                         "-parquet = { path = \"../parquet\", version = \"#{@release_version}\", features = [\"arrow\"] }",
                         "+arrow = { path = \"../arrow\", version = \"#{@next_snapshot_version}\", features = [\"prettyprint\"] }",
                         "+parquet = { path = \"../parquet\", version = \"#{@next_snapshot_version}\", features = [\"arrow\"] }"],
-                       ["-arrow-flight = { path = \"../arrow-flight\", version = \"#{@release_version}\" }",
-                        "+arrow-flight = { path = \"../arrow-flight\", version = \"#{@next_snapshot_version}\" }"]
                      ],
                    },
                    {

rust/Cargo.toml

@@ -22,6 +22,7 @@ members = [
         "parquet_derive",
         "parquet_derive_test",
         "datafusion",
+        "datafusion-examples",
         "arrow-flight",
         "integration-testing",
 	"benchmarks",

rust/datafusion-examples/Cargo.toml

@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+[package]
+name = "datafusion-examples"
+description = "DataFusion usage examples"
+version = "4.0.0-SNAPSHOT"
+homepage = "https://github.com/apache/arrow"
+repository = "https://github.com/apache/arrow"
+authors = ["Apache Arrow <dev@arrow.apache.org>"]
+license = "Apache-2.0"
+keywords = [ "arrow", "query", "sql" ]
+edition = "2018"
+publish = false
+
+
+[dev-dependencies]
+datafusion = { path = "../datafusion" }
+arrow = { path = "../arrow" }
+prost = "0.7"
+arrow-flight = { path = "../arrow-flight" }
+tonic = "0.4"
+tokio = { version = "1.0", features = ["macros", "rt", "rt-multi-thread", "sync"] }
+futures = "0.3"
+num_cpus = "1.13.0"

rust/datafusion/Cargo.toml

@@ -75,9 +75,6 @@ lazy_static = { version = "^1.4.0", optional = true }
 rand = "0.8"
 criterion = "0.3"
 tempfile = "3"
-prost = "0.7"
-arrow-flight = { path = "../arrow-flight", version = "4.0.0-SNAPSHOT" }
-tonic = "0.4"
 doc-comment = "0.3"
 
 [[bench]]