Add diesel to the rustc perf test suite

collector/benchmarks/README.md

@@ -41,6 +41,10 @@ These are real programs that are important in some way, and worth tracking.
 These are real programs that are known to stress the compiler in interesting
 ways.
 
+- **diesel**: A type save SQL query builder. Utilizes the type system to
+  ensure a lot of invariants. Stresses anything related to resolving 
+  trait bounds, by having a lot of trait impls for a large number of different
+  types.
 - **encoding**: Character encoding support. Contains some large tables.
 - **html5ever**: An HTML parser. Stresses macro parsing code significantly.
 - **inflate**: An old implementation of the DEFLATE algorithm. Stresses the

collector/benchmarks/diesel/.editorconfig

@@ -0,0 +1,29 @@
+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# editorconfig.org
+
+root = true
+
+
+[*]
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+
+[*.rs]
+indent_style = space
+indent_size = 4
+
+[*.toml]
+indent_style = space
+indent_size = 4
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2

collector/benchmarks/diesel/.env.sample

@@ -0,0 +1,15 @@
+# The database to use when testing against Postgres.
+PG_DATABASE_URL=postgresql://postgres:postgres@localhost:5432/diesel_test
+# The database to use when running the Postgres examples during testing.
+PG_EXAMPLE_DATABASE_URL=postgresql://postgres:postgres@localhost:5432/diesel_example
+
+# The database to use when testing against MySQL.
+MYSQL_DATABASE_URL=mysql://[email protected]:3306/diesel_test
+# The database to use when running the MySQL examples during testing.
+MYSQL_EXAMPLE_DATABASE_URL=mysql://[email protected]:3306/diesel_example
+# A database different from the others above used for certain unit tests.
+# TODO: this is magical, explain what it's there for.
+MYSQL_UNIT_TEST_DATABASE_URL=mysql://[email protected]:3306/diesel_unit_test
+
+# The database to use when testing against SQLite.
+SQLITE_DATABASE_URL=/tmp/diesel_test.sqlite

collector/benchmarks/diesel/.github/FUNDING.yml

@@ -0,0 +1 @@
+github: [sgrif, weiznich]

collector/benchmarks/diesel/.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,51 @@
+<!--
+If you want to report a bug, we added some points below you can fill out. If you want to request a feature, feel free to remove all the irrelevant text. In addition to this [issue tracker](https://github.com/diesel-rs/diesel/issues), you can also talk to Diesel maintainers and users on [Gitter](https://gitter.im/diesel-rs/diesel).
+-->
+
+## Setup
+
+### Versions
+
+- **Rust:**
+- **Diesel:**
+- **Database:**
+- **Operating System**
+
+### Feature Flags
+
+- **diesel:**
+
+## Problem Description
+
+
+### What are you trying to accomplish?
+
+
+### What is the expected output?
+
+
+### What is the actual output?
+
+
+### Are you seeing any additional errors?
+
+
+### Steps to reproduce
+
+<!--
+Please include as much of your codebase as needed to reproduce the error.  If the relevant files are large, please consider linking to a public repository or a [Gist](https://gist.github.com/).
+
+Please post as much of your database schema as necessary. If you are using `infer_schema!`, you can use `diesel print-schema` and post the relevant parts from that.
+-->
+
+## Checklist
+
+- [ ] I have already looked over the [issue tracker](https://github.com/diesel-rs/diesel/issues) for similar issues.
+- [ ] This issue can be reproduced on Rust's stable channel. (Your issue will be
+  closed if this is not the case)
+
+<!--
+Thank you for your submission!  You're helping make Diesel more robust 🎉
+
+We'll try to respond as quickly as possible.
+-->

collector/benchmarks/diesel/.github/workflows/audit.yml

@@ -0,0 +1,16 @@
+name: Security audit
+on:
+  push:
+    paths:
+      - '**/Cargo.toml'
+      - '**/Cargo.lock'
+  schedule:
+    - cron: '0 0 */7 * *'
+jobs:
+  security_audit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/audit-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}

collector/benchmarks/diesel/.github/workflows/benches.yml

@@ -0,0 +1,53 @@
+on:
+  pull_request:
+    types:
+      - labeled
+
+name: Benchmarks
+
+jobs:
+  benchmarks:
+    if: github.event.label.name == 'run-benchmarks'
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        backend: ["postgres", "sqlite", "mysql"]
+    steps:
+      - name: Checkout sources
+        if: steps.bench.outputs.triggered == 'true'
+        uses: actions/checkout@v2
+
+      - name: Install postgres (Linux)
+        if: matrix.backend == 'postgres'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libpq-dev postgresql
+          echo "host    all             all             127.0.0.1/32            md5" > sudo tee -a /etc/postgresql/10/main/pg_hba.conf
+          sudo service postgresql restart && sleep 3
+          sudo -u postgres psql -c "ALTER USER postgres PASSWORD 'postgres';"
+          sudo service postgresql restart && sleep 3
+          echo '::set-env name=PG_DATABASE_URL::postgres://postgres:postgres@localhost/'
+
+      - name: Install sqlite (Linux)
+        if: matrix.backend == 'sqlite'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libsqlite3-dev
+          echo '::set-env name=SQLITE_DATABASE_URL::/tmp/test.db'
+
+
+      - name: Install mysql (Linux)
+        if: matrix.backend == 'mysql'
+        run: |
+          sudo apt-get update
+          sudo apt-get -y install mysql-server libmysqlclient-dev
+          sudo /etc/init.d/mysql start
+          mysql -e "create database diesel_test; create database diesel_unit_test; grant all on \`diesel_%\`.* to 'root'@'localhost';" -uroot -proot
+          echo '::set-env name=MYSQL_DATABASE_URL::mysql://root:root@localhost/diesel_test'
+
+      - name: Run benches
+        uses: jasonwilliams/criterion-compare-action@move_to_actions
+        with:
+          cwd: "diesel_bench"
+          token: ${{ secrets.GITHUB_TOKEN }}
+