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Parse MySQL ALTER TABLE ALGORITHM option (#1745)

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Michael Victor Zink 2025-02-25 22:03:38 -08:00 • committed by GitHub
parent de4dbc5b1d
commit 3adc746b11
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6 changed files with 119 additions and 13 deletions
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48
tests/sqlparser_mysql.rs
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@ -2422,6 +2422,54 @@ fn parse_alter_table_modify_column() {
assert_eq!(expected_operation, operation);
}
#[test]
fn parse_alter_table_with_algorithm() {
let sql = "ALTER TABLE tab ALGORITHM = COPY";
let expected_operation = AlterTableOperation::Algorithm {
equals: true,
algorithm: AlterTableAlgorithm::Copy,
};
let operation = alter_table_op(mysql_and_generic().verified_stmt(sql));
assert_eq!(expected_operation, operation);
// Check order doesn't matter
let sql =
"ALTER TABLE users DROP COLUMN password_digest, ALGORITHM = COPY, RENAME COLUMN name TO username";
let stmt = mysql_and_generic().verified_stmt(sql);
match stmt {
Statement::AlterTable { operations, .. } => {
assert_eq!(
operations,
vec![
AlterTableOperation::DropColumn {
column_name: Ident::new("password_digest"),
if_exists: false,
drop_behavior: None,
},
AlterTableOperation::Algorithm {
equals: true,
algorithm: AlterTableAlgorithm::Copy,
},
AlterTableOperation::RenameColumn {
old_column_name: Ident::new("name"),
new_column_name: Ident::new("username")
},
]
)
}
_ => panic!("Unexpected statement {stmt}"),
}
mysql_and_generic().verified_stmt("ALTER TABLE `users` ALGORITHM DEFAULT");
mysql_and_generic().verified_stmt("ALTER TABLE `users` ALGORITHM INSTANT");
mysql_and_generic().verified_stmt("ALTER TABLE `users` ALGORITHM INPLACE");
mysql_and_generic().verified_stmt("ALTER TABLE `users` ALGORITHM COPY");
mysql_and_generic().verified_stmt("ALTER TABLE `users` ALGORITHM = DEFAULT");
mysql_and_generic().verified_stmt("ALTER TABLE `users` ALGORITHM = INSTANT");
mysql_and_generic().verified_stmt("ALTER TABLE `users` ALGORITHM = INPLACE");
mysql_and_generic().verified_stmt("ALTER TABLE `users` ALGORITHM = COPY");
}
#[test]
fn parse_alter_table_modify_column_with_column_position() {
let expected_name = ObjectName::from(vec![Ident::new("orders")]);