vendor sqlite3-parser (lemon-rs)

vendored/sqlite3-parser/sqlparser_bench/Cargo.toml

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+[package]
+name = "sqlparser_bench"
+version = "0.1.0"
+authors = ["Dandandan <danielheres@gmail.com>"]
+edition = "2018"
+
+[dependencies]
+sqlite3-parser = { path = "..", default-features = false, features = [
+    "YYNOERRORRECOVERY",
+    "NDEBUG",
+] }
+fallible-iterator = "0.3"
+
+[dev-dependencies]
+criterion = "0.5"
+
+[[bench]]
+name = "sqlparser_bench"
+harness = false

vendored/sqlite3-parser/sqlparser_bench/README.md

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+Adapted from https://github.com/ballista-compute/sqlparser-rs/tree/main/sqlparser_bench
+
+## sqlparser-rs
+
+```
+sqlparser-rs parsing benchmark/sqlparser::select
+                        time:   [9.9697 µs 10.068 µs 10.184 µs]
+Found 14 outliers among 100 measurements (14.00%)
+  5 (5.00%) high mild
+  9 (9.00%) high severe
+sqlparser-rs parsing benchmark/sqlparser::with_select
+                        time:   [59.569 µs 60.088 µs 60.743 µs]
+Found 9 outliers among 100 measurements (9.00%)
+  3 (3.00%) high mild
+  6 (6.00%) high severe
+```
+
+## sqlite3-parser
+
+```
+sqlparser-rs parsing benchmark/sqlparser::select
+                        time:   [6.5488 µs 6.5773 µs 6.6108 µs]
+Found 10 outliers among 100 measurements (10.00%)
+  4 (4.00%) high mild
+  6 (6.00%) high severe
+sqlparser-rs parsing benchmark/sqlparser::with_select
+                        time:   [22.182 µs 22.321 µs 22.473 µs]
+Found 8 outliers among 100 measurements (8.00%)
+  1 (1.00%) low mild
+  3 (3.00%) high mild
+  4 (4.00%) high severe
+```

vendored/sqlite3-parser/sqlparser_bench/benches/sqlparser_bench.rs

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+// Licensed 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.
+
+use criterion::{criterion_group, criterion_main, Criterion};
+use fallible_iterator::FallibleIterator;
+use sqlite3_parser::lexer::sql::Parser;
+
+fn basic_queries(c: &mut Criterion) {
+    let mut group = c.benchmark_group("sqlparser-rs parsing benchmark");
+
+    let string = b"SELECT * FROM `table` WHERE 1 = 1";
+    group.bench_with_input("sqlparser::select", &string, |b, &s| {
+        b.iter(|| {
+            let mut parser = Parser::new(s);
+            assert!(parser.next().unwrap().unwrap().readonly())
+        });
+    });
+
+    let with_query = b"
+        WITH derived AS (
+            SELECT MAX(a) AS max_a,
+                   COUNT(b) AS b_num,
+                   user_id
+            FROM `TABLE`
+            GROUP BY user_id
+        )
+        SELECT * FROM `table`
+        LEFT JOIN derived USING (user_id)
+    ";
+    group.bench_with_input("sqlparser::with_select", &with_query, |b, &s| {
+        b.iter(|| {
+            let mut parser = Parser::new(s);
+            assert!(parser.next().unwrap().unwrap().readonly())
+        });
+    });
+}
+
+criterion_group!(benches, basic_queries);
+criterion_main!(benches);