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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.
#![warn(clippy::all)]
//! Test SQL syntax specific to MySQL. The parser based on the generic dialect
//! is also tested (on the inputs it can handle).
#[macro_use]
mod test_utils;
use test_utils::*;
use sqlparser::ast::Expr;
use sqlparser::ast::Value;
use sqlparser::ast::*;
use sqlparser::dialect::{GenericDialect, MySqlDialect};
use sqlparser::tokenizer::Token;
#[test]
fn parse_identifiers() {
mysql().verified_stmt("SELECT $a$, àà");
}
#[test]
fn parse_show_columns() {
let table_name = ObjectName(vec![Ident::new("mytable")]);
assert_eq!(
mysql_and_generic().verified_stmt("SHOW COLUMNS FROM mytable"),
Statement::ShowColumns {
extended: false,
full: false,
table_name: table_name.clone(),
filter: None,
}
);
assert_eq!(
mysql_and_generic().verified_stmt("SHOW COLUMNS FROM mydb.mytable"),
Statement::ShowColumns {
extended: false,
full: false,
table_name: ObjectName(vec![Ident::new("mydb"), Ident::new("mytable")]),
filter: None,
}
);
assert_eq!(
mysql_and_generic().verified_stmt("SHOW EXTENDED COLUMNS FROM mytable"),
Statement::ShowColumns {
extended: true,
full: false,
table_name: table_name.clone(),
filter: None,
}
);
assert_eq!(
mysql_and_generic().verified_stmt("SHOW FULL COLUMNS FROM mytable"),
Statement::ShowColumns {
extended: false,
full: true,
table_name: table_name.clone(),
filter: None,
}
);
assert_eq!(
mysql_and_generic().verified_stmt("SHOW COLUMNS FROM mytable LIKE 'pattern'"),
Statement::ShowColumns {
extended: false,
full: false,
table_name: table_name.clone(),
filter: Some(ShowStatementFilter::Like("pattern".into())),
}
);
assert_eq!(
mysql_and_generic().verified_stmt("SHOW COLUMNS FROM mytable WHERE 1 = 2"),
Statement::ShowColumns {
extended: false,
full: false,
table_name,
filter: Some(ShowStatementFilter::Where(
mysql_and_generic().verified_expr("1 = 2")
)),
}
);
mysql_and_generic()
.one_statement_parses_to("SHOW FIELDS FROM mytable", "SHOW COLUMNS FROM mytable");
mysql_and_generic()
.one_statement_parses_to("SHOW COLUMNS IN mytable", "SHOW COLUMNS FROM mytable");
mysql_and_generic()
.one_statement_parses_to("SHOW FIELDS IN mytable", "SHOW COLUMNS FROM mytable");
// unhandled things are truly unhandled
match mysql_and_generic().parse_sql_statements("SHOW COLUMNS FROM mytable FROM mydb") {
Err(_) => {}
Ok(val) => panic!("unexpected successful parse: {:?}", val),
}
}
#[test]
fn parse_show_create() {
let obj_name = ObjectName(vec![Ident::new("myident")]);
for obj_type in &vec![
ShowCreateObject::Table,
ShowCreateObject::Trigger,
ShowCreateObject::Event,
ShowCreateObject::Function,
ShowCreateObject::Procedure,
] {
assert_eq!(
mysql_and_generic().verified_stmt(format!("SHOW CREATE {} myident", obj_type).as_str()),
Statement::ShowCreate {
obj_type: obj_type.clone(),
obj_name: obj_name.clone(),
}
);
}
}
#[test]
fn parse_create_table_auto_increment() {
let sql = "CREATE TABLE foo (bar INT PRIMARY KEY AUTO_INCREMENT)";
match mysql().verified_stmt(sql) {
Statement::CreateTable { name, columns, .. } => {
assert_eq!(name.to_string(), "foo");
assert_eq!(
vec![ColumnDef {
name: Ident::new("bar"),
data_type: DataType::Int(None),
collation: None,
options: vec![
ColumnOptionDef {
name: None,
option: ColumnOption::Unique { is_primary: true },
},
ColumnOptionDef {
name: None,
option: ColumnOption::DialectSpecific(vec![Token::make_keyword(
"AUTO_INCREMENT"
)]),
},
],
}],
columns
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_table_set_enum() {
let sql = "CREATE TABLE foo (bar SET('a', 'b'), baz ENUM('a', 'b'))";
match mysql().verified_stmt(sql) {
Statement::CreateTable { name, columns, .. } => {
assert_eq!(name.to_string(), "foo");
assert_eq!(
vec![
ColumnDef {
name: Ident::new("bar"),
data_type: DataType::Set(vec!["a".to_string(), "b".to_string()]),
collation: None,
options: vec![],
},
ColumnDef {
name: Ident::new("baz"),
data_type: DataType::Enum(vec!["a".to_string(), "b".to_string()]),
collation: None,
options: vec![],
}
],
columns
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_table_engine_default_charset() {
let sql = "CREATE TABLE foo (id INT(11)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3";
match mysql().verified_stmt(sql) {
Statement::CreateTable {
name,
columns,
engine,
default_charset,
..
} => {
assert_eq!(name.to_string(), "foo");
assert_eq!(
vec![ColumnDef {
name: Ident::new("id"),
data_type: DataType::Int(Some(11)),
collation: None,
options: vec![],
},],
columns
);
assert_eq!(engine, Some("InnoDB".to_string()));
assert_eq!(default_charset, Some("utf8mb3".to_string()));
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_table_collate() {
let sql = "CREATE TABLE foo (id INT(11)) COLLATE=utf8mb4_0900_ai_ci";
match mysql().verified_stmt(sql) {
Statement::CreateTable {
name,
columns,
collation,
..
} => {
assert_eq!(name.to_string(), "foo");
assert_eq!(
vec![ColumnDef {
name: Ident::new("id"),
data_type: DataType::Int(Some(11)),
collation: None,
options: vec![],
},],
columns
);
assert_eq!(collation, Some("utf8mb4_0900_ai_ci".to_string()));
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_table_comment_character_set() {
let sql = "CREATE TABLE foo (s TEXT CHARACTER SET utf8mb4 COMMENT 'comment')";
match mysql().verified_stmt(sql) {
Statement::CreateTable { name, columns, .. } => {
assert_eq!(name.to_string(), "foo");
assert_eq!(
vec![ColumnDef {
name: Ident::new("s"),
data_type: DataType::Text,
collation: None,
options: vec![
ColumnOptionDef {
name: None,
option: ColumnOption::CharacterSet(ObjectName(vec![Ident::new(
"utf8mb4"
)]))
},
ColumnOptionDef {
name: None,
option: ColumnOption::Comment("comment".to_string())
}
],
},],
columns
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_quote_identifiers() {
let sql = "CREATE TABLE `PRIMARY` (`BEGIN` INT PRIMARY KEY)";
match mysql().verified_stmt(sql) {
Statement::CreateTable { name, columns, .. } => {
assert_eq!(name.to_string(), "`PRIMARY`");
assert_eq!(
vec![ColumnDef {
name: Ident::with_quote('`', "BEGIN"),
data_type: DataType::Int(None),
collation: None,
options: vec![ColumnOptionDef {
name: None,
option: ColumnOption::Unique { is_primary: true },
}],
}],
columns
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_quote_identifiers_2() {
let sql = "SELECT `quoted `` identifier`";
assert_eq!(
mysql().verified_stmt(sql),
Statement::Query(Box::new(Query {
with: None,
body: SetExpr::Select(Box::new(Select {
distinct: false,
top: None,
projection: vec![SelectItem::UnnamedExpr(Expr::Identifier(Ident {
value: "quoted ` identifier".into(),
quote_style: Some('`'),
}))],
into: None,
from: vec![],
lateral_views: vec![],
selection: None,
group_by: vec![],
cluster_by: vec![],
distribute_by: vec![],
sort_by: vec![],
having: None,
qualify: None
})),
order_by: vec![],
limit: None,
offset: None,
fetch: None,
lock: None,
}))
);
}
#[test]
fn parse_quote_identifiers_3() {
let sql = "SELECT ```quoted identifier```";
assert_eq!(
mysql().verified_stmt(sql),
Statement::Query(Box::new(Query {
with: None,
body: SetExpr::Select(Box::new(Select {
distinct: false,
top: None,
projection: vec![SelectItem::UnnamedExpr(Expr::Identifier(Ident {
value: "`quoted identifier`".into(),
quote_style: Some('`'),
}))],
into: None,
from: vec![],
lateral_views: vec![],
selection: None,
group_by: vec![],
cluster_by: vec![],
distribute_by: vec![],
sort_by: vec![],
having: None,
qualify: None
})),
order_by: vec![],
limit: None,
offset: None,
fetch: None,
lock: None,
}))
);
}
#[test]
fn parse_unterminated_escape() {
let sql = r#"SELECT 'I\'m not fine\'"#;
let result = std::panic::catch_unwind(|| mysql().one_statement_parses_to(sql, ""));
assert!(result.is_err());
let sql = r#"SELECT 'I\\'m not fine'"#;
let result = std::panic::catch_unwind(|| mysql().one_statement_parses_to(sql, ""));
assert!(result.is_err());
}
#[test]
fn parse_escaped_string() {
let sql = r#"SELECT 'I\'m fine'"#;
let stmt = mysql().one_statement_parses_to(sql, "");
match stmt {
Statement::Query(query) => match query.body {
SetExpr::Select(value) => {
let expr = expr_from_projection(only(&value.projection));
assert_eq!(
*expr,
Expr::Value(Value::SingleQuotedString("I'm fine".to_string()))
);
}
_ => unreachable!(),
},
_ => unreachable!(),
};
let sql = r#"SELECT 'I''m fine'"#;
let projection = mysql().verified_only_select(sql).projection;
let item = projection.get(0).unwrap();
match &item {
SelectItem::UnnamedExpr(Expr::Value(value)) => {
assert_eq!(*value, Value::SingleQuotedString("I'm fine".to_string()));
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_table_with_minimum_display_width() {
let sql = "CREATE TABLE foo (bar_tinyint TINYINT(3), bar_smallint SMALLINT(5), bar_int INT(11), bar_bigint BIGINT(20))";
match mysql().verified_stmt(sql) {
Statement::CreateTable { name, columns, .. } => {
assert_eq!(name.to_string(), "foo");
assert_eq!(
vec![
ColumnDef {
name: Ident::new("bar_tinyint"),
data_type: DataType::TinyInt(Some(3)),
collation: None,
options: vec![],
},
ColumnDef {
name: Ident::new("bar_smallint"),
data_type: DataType::SmallInt(Some(5)),
collation: None,
options: vec![],
},
ColumnDef {
name: Ident::new("bar_int"),
data_type: DataType::Int(Some(11)),
collation: None,
options: vec![],
},
ColumnDef {
name: Ident::new("bar_bigint"),
data_type: DataType::BigInt(Some(20)),
collation: None,
options: vec![],
}
],
columns
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_table_unsigned() {
let sql = "CREATE TABLE foo (bar_tinyint TINYINT(3) UNSIGNED, bar_smallint SMALLINT(5) UNSIGNED, bar_int INT(11) UNSIGNED, bar_bigint BIGINT(20) UNSIGNED)";
match mysql().verified_stmt(sql) {
Statement::CreateTable { name, columns, .. } => {
assert_eq!(name.to_string(), "foo");
assert_eq!(
vec![
ColumnDef {
name: Ident::new("bar_tinyint"),
data_type: DataType::UnsignedTinyInt(Some(3)),
collation: None,
options: vec![],
},
ColumnDef {
name: Ident::new("bar_smallint"),
data_type: DataType::UnsignedSmallInt(Some(5)),
collation: None,
options: vec![],
},
ColumnDef {
name: Ident::new("bar_int"),
data_type: DataType::UnsignedInt(Some(11)),
collation: None,
options: vec![],
},
ColumnDef {
name: Ident::new("bar_bigint"),
data_type: DataType::UnsignedBigInt(Some(20)),
collation: None,
options: vec![],
},
],
columns
);
}
_ => unreachable!(),
}
}
#[test]
#[cfg(not(feature = "bigdecimal"))]
fn parse_simple_insert() {
let sql = r"INSERT INTO tasks (title, priority) VALUES ('Test Some Inserts', 1), ('Test Entry 2', 2), ('Test Entry 3', 3)";
match mysql().verified_stmt(sql) {
Statement::Insert {
table_name,
columns,
source,
on,
..
} => {
assert_eq!(ObjectName(vec![Ident::new("tasks")]), table_name);
assert_eq!(vec![Ident::new("title"), Ident::new("priority")], columns);
assert!(on.is_none());
assert_eq!(
Box::new(Query {
with: None,
body: SetExpr::Values(Values(vec![
vec![
Expr::Value(Value::SingleQuotedString("Test Some Inserts".to_string())),
Expr::Value(Value::Number("1".to_string(), false))
],
vec![
Expr::Value(Value::SingleQuotedString("Test Entry 2".to_string())),
Expr::Value(Value::Number("2".to_string(), false))
],
vec![
Expr::Value(Value::SingleQuotedString("Test Entry 3".to_string())),
Expr::Value(Value::Number("3".to_string(), false))
]
])),
order_by: vec![],
limit: None,
offset: None,
fetch: None,
lock: None,
}),
source
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_insert_with_on_duplicate_update() {
let sql = "INSERT INTO permission_groups (name, description, perm_create, perm_read, perm_update, perm_delete) VALUES ('accounting_manager', 'Some description about the group', true, true, true, true) ON DUPLICATE KEY UPDATE description = VALUES(description), perm_create = VALUES(perm_create), perm_read = VALUES(perm_read), perm_update = VALUES(perm_update), perm_delete = VALUES(perm_delete)";
match mysql().verified_stmt(sql) {
Statement::Insert {
table_name,
columns,
source,
on,
..
} => {
assert_eq!(
ObjectName(vec![Ident::new("permission_groups")]),
table_name
);
assert_eq!(
vec![
Ident::new("name"),
Ident::new("description"),
Ident::new("perm_create"),
Ident::new("perm_read"),
Ident::new("perm_update"),
Ident::new("perm_delete")
],
columns
);
assert_eq!(
Box::new(Query {
with: None,
body: SetExpr::Values(Values(vec![vec![
Expr::Value(Value::SingleQuotedString("accounting_manager".to_string())),
Expr::Value(Value::SingleQuotedString(
"Some description about the group".to_string()
)),
Expr::Value(Value::Boolean(true)),
Expr::Value(Value::Boolean(true)),
Expr::Value(Value::Boolean(true)),
Expr::Value(Value::Boolean(true)),
]])),
order_by: vec![],
limit: None,
offset: None,
fetch: None,
lock: None,
}),
source
);
assert_eq!(
Some(OnInsert::DuplicateKeyUpdate(vec![
Assignment {
id: vec![Ident::new("description".to_string())],
value: Expr::Function(Function {
name: ObjectName(vec![Ident::new("VALUES".to_string()),]),
args: vec![FunctionArg::Unnamed(FunctionArgExpr::Expr(
Expr::Identifier(Ident::new("description"))
))],
over: None,
distinct: false
})
},
Assignment {
id: vec![Ident::new("perm_create".to_string())],
value: Expr::Function(Function {
name: ObjectName(vec![Ident::new("VALUES".to_string()),]),
args: vec![FunctionArg::Unnamed(FunctionArgExpr::Expr(
Expr::Identifier(Ident::new("perm_create"))
))],
over: None,
distinct: false
})
},
Assignment {
id: vec![Ident::new("perm_read".to_string())],
value: Expr::Function(Function {
name: ObjectName(vec![Ident::new("VALUES".to_string()),]),
args: vec![FunctionArg::Unnamed(FunctionArgExpr::Expr(
Expr::Identifier(Ident::new("perm_read"))
))],
over: None,
distinct: false
})
},
Assignment {
id: vec![Ident::new("perm_update".to_string())],
value: Expr::Function(Function {
name: ObjectName(vec![Ident::new("VALUES".to_string()),]),
args: vec![FunctionArg::Unnamed(FunctionArgExpr::Expr(
Expr::Identifier(Ident::new("perm_update"))
))],
over: None,
distinct: false
})
},
Assignment {
id: vec![Ident::new("perm_delete".to_string())],
value: Expr::Function(Function {
name: ObjectName(vec![Ident::new("VALUES".to_string()),]),
args: vec![FunctionArg::Unnamed(FunctionArgExpr::Expr(
Expr::Identifier(Ident::new("perm_delete"))
))],
over: None,
distinct: false
})
},
])),
on
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_update_with_joins() {
let sql = "UPDATE orders AS o JOIN customers AS c ON o.customer_id = c.id SET o.completed = true WHERE c.firstname = 'Peter'";
match mysql().verified_stmt(sql) {
Statement::Update {
table,
assignments,
from: _from,
selection,
} => {
assert_eq!(
TableWithJoins {
relation: TableFactor::Table {
name: ObjectName(vec![Ident::new("orders")]),
alias: Some(TableAlias {
name: Ident::new("o"),
columns: vec![]
}),
args: None,
with_hints: vec![],
},
joins: vec![Join {
relation: TableFactor::Table {
name: ObjectName(vec![Ident::new("customers")]),
alias: Some(TableAlias {
name: Ident::new("c"),
columns: vec![]
}),
args: None,
with_hints: vec![],
},
join_operator: JoinOperator::Inner(JoinConstraint::On(Expr::BinaryOp {
left: Box::new(Expr::CompoundIdentifier(vec![
Ident::new("o"),
Ident::new("customer_id")
])),
op: BinaryOperator::Eq,
right: Box::new(Expr::CompoundIdentifier(vec![
Ident::new("c"),
Ident::new("id")
]))
})),
}]
},
table
);
assert_eq!(
vec![Assignment {
id: vec![Ident::new("o"), Ident::new("completed")],
value: Expr::Value(Value::Boolean(true))
}],
assignments
);
assert_eq!(
Some(Expr::BinaryOp {
left: Box::new(Expr::CompoundIdentifier(vec![
Ident::new("c"),
Ident::new("firstname")
])),
op: BinaryOperator::Eq,
right: Box::new(Expr::Value(Value::SingleQuotedString("Peter".to_string())))
}),
selection
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_alter_table_change_column() {
let expected_name = ObjectName(vec![Ident::new("orders")]);
let expected_operation = AlterTableOperation::ChangeColumn {
old_name: Ident::new("description"),
new_name: Ident::new("desc"),
data_type: DataType::Text,
options: vec![ColumnOption::NotNull],
};
let sql1 = "ALTER TABLE orders CHANGE COLUMN description desc TEXT NOT NULL";
match mysql().verified_stmt(sql1) {
Statement::AlterTable { name, operation } => {
assert_eq!(expected_name, name);
assert_eq!(expected_operation, operation);
}
_ => unreachable!(),
}
let sql2 = "ALTER TABLE orders CHANGE description desc TEXT NOT NULL";
match mysql().one_statement_parses_to(sql2, sql1) {
Statement::AlterTable { name, operation } => {
assert_eq!(expected_name, name);
assert_eq!(expected_operation, operation);
}
_ => unreachable!(),
}
}
#[test]
#[cfg(not(feature = "bigdecimal"))]
fn parse_substring_in_select() {
let sql = "SELECT DISTINCT SUBSTRING(description, 0, 1) FROM test";
match mysql().one_statement_parses_to(
sql,
"SELECT DISTINCT SUBSTRING(description FROM 0 FOR 1) FROM test",
) {
Statement::Query(query) => {
assert_eq!(
Box::new(Query {
with: None,
body: SetExpr::Select(Box::new(Select {
distinct: true,
top: None,
projection: vec![SelectItem::UnnamedExpr(Expr::Substring {
expr: Box::new(Expr::Identifier(Ident {
value: "description".to_string(),
quote_style: None
})),
substring_from: Some(Box::new(Expr::Value(Value::Number(
"0".to_string(),
false
)))),
substring_for: Some(Box::new(Expr::Value(Value::Number(
"1".to_string(),
false
))))
})],
into: None,
from: vec![TableWithJoins {
relation: TableFactor::Table {
name: ObjectName(vec![Ident {
value: "test".to_string(),
quote_style: None
}]),
alias: None,
args: None,
with_hints: vec![]
},
joins: vec![]
}],
lateral_views: vec![],
selection: None,
group_by: vec![],
cluster_by: vec![],
distribute_by: vec![],
sort_by: vec![],
having: None,
qualify: None
})),
order_by: vec![],
limit: None,
offset: None,
fetch: None,
lock: None,
}),
query
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_kill() {
let stmt = mysql_and_generic().verified_stmt("KILL CONNECTION 5");
assert_eq!(
stmt,
Statement::Kill {
modifier: Some(KillType::Connection),
id: 5,
}
);
let stmt = mysql_and_generic().verified_stmt("KILL QUERY 5");
assert_eq!(
stmt,
Statement::Kill {
modifier: Some(KillType::Query),
id: 5,
}
);
let stmt = mysql_and_generic().verified_stmt("KILL 5");
assert_eq!(
stmt,
Statement::Kill {
modifier: None,
id: 5,
}
);
}
#[test]
fn parse_table_colum_option_on_update() {
let sql1 = "CREATE TABLE foo (`modification_time` DATETIME ON UPDATE)";
match mysql().verified_stmt(sql1) {
Statement::CreateTable { name, columns, .. } => {
assert_eq!(name.to_string(), "foo");
assert_eq!(
vec![ColumnDef {
name: Ident::with_quote('`', "modification_time"),
data_type: DataType::Datetime,
collation: None,
options: vec![ColumnOptionDef {
name: None,
option: ColumnOption::DialectSpecific(vec![Token::make_keyword(
"ON UPDATE"
)]),
},],
}],
columns
);
}
_ => unreachable!(),
}
}
fn mysql() -> TestedDialects {
TestedDialects {
dialects: vec![Box::new(MySqlDialect {})],
}
}
fn mysql_and_generic() -> TestedDialects {
TestedDialects {
dialects: vec![Box::new(MySqlDialect {}), Box::new(GenericDialect {})],
}
}