feat: add sqlparser

__database/sqlparser/Cargo.lock

@@ -0,0 +1,32 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "cfg-if"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+
+[[package]]
+name = "log"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcf3805d4480bb5b86070dcfeb9e2cb2ebc148adb753c5cca5f884d1d65a42b2"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "sqlparser"
+version = "0.1.0"
+dependencies = [
+ "sqlparser 0.7.0",
+]
+
+[[package]]
+name = "sqlparser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3a3da41f3ddf62cbf92635ace62dd037fad9a91c6871c514fbd404e2059f27d"
+dependencies = [
+ "log",
+]

__database/sqlparser/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "sqlparser"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+sqlparser = "0.7.0"
+

__database/sqlparser/src/main.rs

@@ -0,0 +1,15 @@
+use sqlparser::dialect::GenericDialect;
+use sqlparser::parser::Parser;
+
+fn main() {
+    let sql = "SELECT a, b, 123, myfunc(b) \
+           FROM table_1 \
+           WHERE a > b AND b < 100 \
+           ORDER BY a DESC, b";
+
+    let dialect = GenericDialect {}; // or AnsiDialect, or your own dialect ...
+
+    let ast = Parser::parse_sql(&dialect, sql).unwrap();
+
+    println!("AST: {:#?}", ast);
+}