Add unit tests.

tests/sqlparser_generic.rs

@@ -457,6 +457,105 @@ fn parse_create_table() {
     }
 }
 
+#[test]
+fn parse_create_external_table() {
+    let sql = String::from(
+        "CREATE EXTERNAL TABLE uk_cities (\
+         name VARCHAR(100) NOT NULL,\
+         lat DOUBLE NULL,\
+         lng DOUBLE NULL)\
+         STORED AS TEXTFILE LOCATION '/tmp/example.csv",
+    );
+    let ast = one_statement_parses_to(
+        &sql,
+        "CREATE EXTERNAL TABLE uk_cities (\
+         name character varying(100) NOT NULL, \
+         lat double, \
+         lng double) \
+         STORED AS TEXTFILE LOCATION '/tmp/example.csv'",
+    );
+    match ast {
+        SQLStatement::SQLCreateExternalTable {
+            name,
+            columns,
+            file_format,
+            location,
+        } => {
+            assert_eq!("uk_cities", name.to_string());
+            assert_eq!(3, columns.len());
+
+            let c_name = &columns[0];
+            assert_eq!("name", c_name.name);
+            assert_eq!(SQLType::Varchar(Some(100)), c_name.data_type);
+            assert_eq!(false, c_name.allow_null);
+
+            let c_lat = &columns[1];
+            assert_eq!("lat", c_lat.name);
+            assert_eq!(SQLType::Double, c_lat.data_type);
+            assert_eq!(true, c_lat.allow_null);
+
+            let c_lng = &columns[2];
+            assert_eq!("lng", c_lng.name);
+            assert_eq!(SQLType::Double, c_lng.data_type);
+            assert_eq!(true, c_lng.allow_null);
+
+            assert_eq!(FileFormat::TEXTFILE, file_format);
+            assert_eq!("/tmp/example.csv", location);
+        }
+        _ => assert!(false),
+    }
+}
+
+#[test]
+fn parse_create_external_table_newline() {
+    let sql = String::from(
+        "CREATE EXTERNAL TABLE uk_cities (\
+         name VARCHAR(100) NOT NULL,\
+         lat DOUBLE NULL,\
+         lng DOUBLE NULL)\
+         STORED AS TEXTFILE
+         LOCATION '/tmp/example.csv",
+    );
+    let ast = one_statement_parses_to(
+        &sql,
+        "CREATE EXTERNAL TABLE uk_cities (\
+         name character varying(100) NOT NULL, \
+         lat double, \
+         lng double) \
+         STORED AS TEXTFILE LOCATION '/tmp/example.csv'",
+    );
+    match ast {
+        SQLStatement::SQLCreateExternalTable {
+            name,
+            columns,
+            file_format,
+            location,
+        } => {
+            assert_eq!("uk_cities", name.to_string());
+            assert_eq!(3, columns.len());
+
+            let c_name = &columns[0];
+            assert_eq!("name", c_name.name);
+            assert_eq!(SQLType::Varchar(Some(100)), c_name.data_type);
+            assert_eq!(false, c_name.allow_null);
+
+            let c_lat = &columns[1];
+            assert_eq!("lat", c_lat.name);
+            assert_eq!(SQLType::Double, c_lat.data_type);
+            assert_eq!(true, c_lat.allow_null);
+
+            let c_lng = &columns[2];
+            assert_eq!("lng", c_lng.name);
+            assert_eq!(SQLType::Double, c_lng.data_type);
+            assert_eq!(true, c_lng.allow_null);
+
+            assert_eq!(FileFormat::TEXTFILE, file_format);
+            assert_eq!("/tmp/example.csv", location);
+        }
+        _ => assert!(false),
+    }
+}
+
 #[test]
 fn parse_scalar_function_in_projection() {
     let sql = "SELECT sqrt(id) FROM foo";