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mysql.rs
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use indoc::indoc;
use migration_core::json_rpc::types::*;
use migration_engine_tests::test_api::*;
use std::fmt::Write as _;
// We need to test this specifically for mysql, because foreign keys are indexes, and they are
// inferred as both foreign key and index by the sql-schema-describer. We do not want to
// create/delete a second index.
#[test_connector(tags(Mysql), exclude(Vitess, TiDB))]
fn indexes_on_foreign_key_fields_are_not_created_twice(api: TestApi) {
let schema = r#"
model Human {
id String @id
catname String
cat_rel Cat @relation(fields: [catname], references: [name])
}
model Cat {
id String @id
name String @unique
humans Human[]
}
"#;
api.schema_push_w_datasource(schema).send();
api.assert_schema().assert_table("Human", |table| {
table
.assert_foreign_keys_count(1)
.assert_fk_on_columns(&["catname"], |fk| fk.assert_references("Cat", &["name"]))
.assert_indexes_count(1)
.assert_index_on_columns(&["catname"], |idx| idx.assert_is_not_unique())
});
// Test that after introspection, we do not migrate further.
api.schema_push_w_datasource(schema)
.force(true)
.send()
.assert_green()
.assert_no_steps();
}
// We have to test this because one enum on MySQL can map to multiple enums in the database.
#[test_connector(tags(Mysql))]
fn enum_creation_is_idempotent(api: TestApi) {
let dm1 = r#"
model Cat {
id String @id
mood Mood
}
model Human {
id String @id
mood Mood
}
enum Mood {
HAPPY
HUNGRY
}
"#;
api.schema_push_w_datasource(dm1).send().assert_green();
api.schema_push_w_datasource(dm1)
.send()
.assert_green()
.assert_no_steps();
}
#[test_connector(tags(Mysql))]
fn enums_work_when_table_name_is_remapped(api: TestApi) {
let schema = r#"
model User {
id String @default(uuid()) @id
status UserStatus @map("currentStatus___")
@@map("users")
}
enum UserStatus {
CONFIRMED
CANCELED
BLOCKED
}
"#;
api.schema_push_w_datasource(schema).send().assert_green();
}
#[test_connector(tags(Mysql))]
fn arity_of_enum_columns_can_be_changed(api: TestApi) {
let dm1 = r#"
enum Color {
RED
GREEN
BLUE
}
model A {
id Int @id
primaryColor Color
secondaryColor Color?
}
"#;
api.schema_push_w_datasource(dm1).send().assert_green();
api.assert_schema().assert_table("A", |table| {
table
.assert_column("primaryColor", |col| col.assert_is_required())
.assert_column("secondaryColor", |col| col.assert_is_nullable())
});
let dm2 = r#"
enum Color {
RED
GREEN
BLUE
}
model A {
id Int @id
primaryColor Color?
secondaryColor Color
}
"#;
api.schema_push_w_datasource(dm2).send().assert_green();
api.assert_schema().assert_table("A", |table| {
table
.assert_column("primaryColor", |col| col.assert_is_nullable())
.assert_column("secondaryColor", |col| col.assert_is_required())
});
}
#[test_connector(tags(Mysql))]
fn arity_is_preserved_by_alter_enum(api: TestApi) {
let dm1 = r#"
enum Color {
RED
GREEN
BLUE
}
model A {
id Int @id
primaryColor Color
secondaryColor Color?
}
"#;
api.schema_push_w_datasource(dm1).send().assert_green();
api.assert_schema().assert_table("A", |table| {
table
.assert_column("primaryColor", |col| col.assert_is_required())
.assert_column("secondaryColor", |col| col.assert_is_nullable())
});
let dm2 = r#"
enum Color {
ROT
GRUEN
BLAU
}
model A {
id Int @id
primaryColor Color
secondaryColor Color?
}
"#;
api.schema_push_w_datasource(dm2)
.force(true)
.send()
.assert_executable()
.assert_has_executed_steps();
api.assert_schema().assert_table("A", |table| {
table
.assert_column("primaryColor", |col| col.assert_is_required())
.assert_column("secondaryColor", |col| col.assert_is_nullable())
});
}
#[test_connector(tags(Mysql))]
fn native_type_columns_can_be_created(api: TestApi) {
let types = &[
("int", "Int", "Int", if api.is_mysql_8() { "int" } else { "int(11)" }),
(
"smallint",
"Int",
"SmallInt",
if api.is_mysql_8() { "smallint" } else { "smallint(6)" },
),
("tinyint", "Boolean", "TinyInt", "tinyint(1)"),
(
"tinyintInt",
"Int",
"TinyInt",
if api.is_mysql_8() { "tinyint" } else { "tinyint(4)" },
),
(
"mediumint",
"Int",
"MediumInt",
if api.is_mysql_8() { "mediumint" } else { "mediumint(9)" },
),
(
"bigint",
"BigInt",
"BigInt",
if api.is_mysql_8() { "bigint" } else { "bigint(20)" },
),
("decimal", "Decimal", "Decimal(5, 3)", "decimal(5,3)"),
("float", "Float", "Float", "float"),
("double", "Float", "Double", "double"),
(
"bits",
"Bytes",
"Bit(10)",
if api.is_tidb() { "bit(10) unsigned" } else { "bit(10)" },
),
(
"bit",
"Boolean",
"Bit(1)",
if api.is_tidb() { "bit(1) unsigned" } else { "bit(1)" },
),
("chars", "String", "Char(10)", "char(10)"),
("varchars", "String", "VarChar(500)", "varchar(500)"),
("binary", "Bytes", "Binary(230)", "binary(230)"),
("varbinary", "Bytes", "VarBinary(150)", "varbinary(150)"),
("tinyBlob", "Bytes", "TinyBlob", "tinyblob"),
("blob", "Bytes", "Blob", "blob"),
("mediumBlob", "Bytes", "MediumBlob", "mediumblob"),
("longBlob", "Bytes", "LongBlob", "longblob"),
("tinytext", "String", "TinyText", "tinytext"),
("text", "String", "Text", "text"),
("mediumText", "String", "MediumText", "mediumtext"),
("longText", "String", "LongText", "longtext"),
("date", "DateTime", "Date", "date"),
("timeWithPrecision", "DateTime", "Time(3)", "time(3)"),
("dateTimeWithPrecision", "DateTime", "DateTime(3)", "datetime(3)"),
(
"timestampWithPrecision",
"DateTime @default(now())",
"Timestamp(3)",
"timestamp(3)",
),
(
"year",
"Int",
"Year",
if api.is_mysql_8() {
"year"
} else if api.is_tidb() {
"year(4) unsigned"
} else {
"year(4)"
},
),
];
let mut dm = r#"
model A {
id Int @id
"#
.to_string();
for (field_name, prisma_type, native_type, _) in types {
writeln!(&mut dm, " {} {} @db.{}", field_name, prisma_type, native_type).unwrap();
}
dm.push_str("}\n");
api.schema_push_w_datasource(&dm).send().assert_green();
api.assert_schema().assert_table("A", |table| {
types.iter().fold(
table,
|table, (field_name, _prisma_type, _native_type, database_type)| {
table.assert_column(field_name, |col| col.assert_full_data_type(database_type))
},
)
});
// Check that the migration is idempotent
api.schema_push_w_datasource(dm).send().assert_green().assert_no_steps();
}
#[test_connector(tags(Mysql))]
fn default_current_timestamp_precision_follows_column_precision(api: TestApi) {
let migrations_directory = api.create_migrations_directory();
let dm = api.datamodel_with_provider(
"
model A {
id Int @id
createdAt DateTime @db.DateTime(7) @default(now())
}
",
);
let expected_migration = indoc!(
r#"
-- CreateTable
CREATE TABLE `A` (
`id` INTEGER NOT NULL,
`createdAt` DATETIME(7) NOT NULL DEFAULT CURRENT_TIMESTAMP(7),
PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
"#
);
api.create_migration("01init", &dm, &migrations_directory)
.send_sync()
.assert_migration("01init", |migration| migration.assert_contents(expected_migration));
}
#[test_connector(tags(Mysql))]
fn datetime_dbgenerated_defaults(api: TestApi) {
let migrations_directory = api.create_migrations_directory();
let dm = indoc::indoc! {r#"
model A {
id Int @id @default(autoincrement())
d1 DateTime @default(dbgenerated("'2020-01-01'")) @db.Date
d2 DateTime @default(dbgenerated("'2038-01-19 03:14:08'")) @db.DateTime(0)
d3 DateTime @default(dbgenerated("'16:20:00'")) @db.Time(0)
}
"#};
let dm = api.datamodel_with_provider(dm);
let expected_migration = indoc!(
r#"
-- CreateTable
CREATE TABLE `A` (
`id` INTEGER NOT NULL AUTO_INCREMENT,
`d1` DATE NOT NULL DEFAULT '2020-01-01',
`d2` DATETIME(0) NOT NULL DEFAULT '2038-01-19 03:14:08',
`d3` TIME(0) NOT NULL DEFAULT '16:20:00',
PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
"#
);
api.create_migration("01init", &dm, &migrations_directory)
.send_sync()
.assert_migration("01init", |migration| migration.assert_contents(expected_migration));
}
#[test_connector(tags(Mysql))]
fn mysql_apply_migrations_errors_gives_the_failed_sql(api: TestApi) {
let dm = "";
let migrations_directory = api.create_migrations_directory();
let migration = r#"
CREATE TABLE `Cat` ( id INTEGER PRIMARY KEY );
DROP TABLE `Emu`;
CREATE TABLE `Emu` (
size INTEGER
);
"#;
let migration_name = api
.create_migration("01init", dm, &migrations_directory)
.draft(true)
.send_sync()
.modify_migration(|contents| {
contents.clear();
contents.push_str(migration);
})
.into_output()
.generated_migration_name
.unwrap();
let err = api
.apply_migrations(&migrations_directory)
.send_unwrap_err()
.to_string()
.replace(&migration_name, "<migration-name>");
let expectation = if api.is_vitess() {
expect![[r#"
A migration failed to apply. New migrations cannot be applied before the error is recovered from. Read more about how to resolve migration issues in a production database: https://pris.ly/d/migrate-resolve
Migration name: <migration-name>
Database error code: 1051
Database error:
target: test.0.primary: vttablet: rpc error: code = InvalidArgument desc = Unknown table 'vt_test_0.Emu' (errno 1051) (sqlstate 42S02) (CallerID: userData1): Sql: "drop table Emu", BindVars: {}
Please check the query number 2 from the migration file.
"#]]
} else if cfg!(windows) {
expect![[r#"
A migration failed to apply. New migrations cannot be applied before the error is recovered from. Read more about how to resolve migration issues in a production database: https://pris.ly/d/migrate-resolve
Migration name: <migration-name>
Database error code: 1051
Database error:
Unknown table 'mysql_apply_migrations_errors_gives_the_failed_sql.emu'
Please check the query number 2 from the migration file.
"#]]
} else {
expect![[r#"
A migration failed to apply. New migrations cannot be applied before the error is recovered from. Read more about how to resolve migration issues in a production database: https://pris.ly/d/migrate-resolve
Migration name: <migration-name>
Database error code: 1051
Database error:
Unknown table 'mysql_apply_migrations_errors_gives_the_failed_sql.Emu'
Please check the query number 2 from the migration file.
"#]]
};
let first_segment = err
.split_terminator("DbError {")
.next()
.unwrap()
.split_terminator(" 0: ")
.next()
.unwrap();
expectation.assert_eq(first_segment)
}
// https://github.com/prisma/prisma/issues/12351
#[test]
fn dropping_m2m_relation_from_datamodel_works() {
let schema = r#"
datasource db {
provider = "mysql"
url = env("DBURL")
}
model Puppy {
name String @id
motherId String
mother Dog @relation(fields: [motherId], references: [name])
dogFriends Dog[] @relation("puppyFriendships")
}
model Dog {
name String @id
puppies Puppy[]
puppyFriends Puppy[] @relation("puppyFriendships")
}
"#;
let schema2 = r#"
datasource db {
provider = "mysql"
url = env("DBURL")
}
model Puppy {
name String @id
motherId String
mother Dog @relation(fields: [motherId], references: [name])
}
model Dog {
name String @id
puppies Puppy[]
}
"#;
let tmpdir = tempfile::tempdir().unwrap();
let path = super::diff::write_file_to_tmp(schema, &tmpdir, "schema.prisma");
let path2 = super::diff::write_file_to_tmp(schema2, &tmpdir, "schema2.prisma");
let (_result, diff) = super::diff::diff_result(DiffParams {
exit_code: None,
from: DiffTarget::SchemaDatamodel(SchemaContainer {
schema: path.to_str().unwrap().to_owned(),
}),
to: DiffTarget::SchemaDatamodel(SchemaContainer {
schema: path2.to_str().unwrap().to_owned(),
}),
script: true,
shadow_database_url: None,
});
let expected = expect![[r#"
-- DropForeignKey
ALTER TABLE `_puppyFriendships` DROP FOREIGN KEY `_puppyFriendships_A_fkey`;
-- DropForeignKey
ALTER TABLE `_puppyFriendships` DROP FOREIGN KEY `_puppyFriendships_B_fkey`;
-- DropTable
DROP TABLE `_puppyFriendships`;
"#]];
expected.assert_eq(&diff);
}
#[cfg_attr(not(target_os = "windows"), test_connector(tags(Mysql), exclude(Vitess, TiDB)))]
fn alter_constraint_name(mut api: TestApi) {
let plain_dm = api.datamodel_with_provider(
r#"
model A {
id Int @id
name String @unique
a String
b String
B B[] @relation("AtoB")
@@unique([a, b])
@@index([a])
}
model B {
a String
b String
aId Int
A A @relation("AtoB", fields: [aId], references: [id])
@@index([a,b])
@@id([a, b])
}
"#,
);
let dir = api.create_migrations_directory();
api.create_migration("plain", &plain_dm, &dir).send_sync();
let custom_dm = api.datamodel_with_provider(
r#"
model A {
id Int @id
name String @unique(map: "CustomUnique")
a String
b String
B B[] @relation("AtoB")
@@unique([a, b], name: "compound", map:"CustomCompoundUnique")
@@index([a], map: "CustomIndex")
}
model B {
a String
b String
aId Int
A A @relation("AtoB", map: "CustomFK", fields: [aId], references: [id])
@@index([a,b], map: "AnotherCustomIndex")
@@id([a, b])
}
"#,
);
let is_mysql_5_6 = api.is_mysql_5_6();
let is_mariadb = api.is_mariadb();
api.create_migration("custom", &custom_dm, &dir)
.send_sync()
.assert_migration_directories_count(2)
.assert_migration("custom",move |migration| {
let expected_script = if is_mysql_5_6 || is_mariadb {
expect![[
r#"
-- DropForeignKey
ALTER TABLE `B` DROP FOREIGN KEY `B_aId_fkey`;
-- AddForeignKey
ALTER TABLE `B` ADD CONSTRAINT `CustomFK` FOREIGN KEY (`aId`) REFERENCES `A`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;
-- RedefineIndex
CREATE UNIQUE INDEX `CustomCompoundUnique` ON `A`(`a`, `b`);
DROP INDEX `A_a_b_key` ON `A`;
-- RedefineIndex
CREATE INDEX `CustomIndex` ON `A`(`a`);
DROP INDEX `A_a_idx` ON `A`;
-- RedefineIndex
CREATE UNIQUE INDEX `CustomUnique` ON `A`(`name`);
DROP INDEX `A_name_key` ON `A`;
-- RedefineIndex
CREATE INDEX `AnotherCustomIndex` ON `B`(`a`, `b`);
DROP INDEX `B_a_b_idx` ON `B`;
"#]]
} else {
expect![[r#"
-- DropForeignKey
ALTER TABLE `B` DROP FOREIGN KEY `B_aId_fkey`;
-- AddForeignKey
ALTER TABLE `B` ADD CONSTRAINT `CustomFK` FOREIGN KEY (`aId`) REFERENCES `A`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;
-- RenameIndex
ALTER TABLE `A` RENAME INDEX `A_a_b_key` TO `CustomCompoundUnique`;
-- RenameIndex
ALTER TABLE `A` RENAME INDEX `A_a_idx` TO `CustomIndex`;
-- RenameIndex
ALTER TABLE `A` RENAME INDEX `A_name_key` TO `CustomUnique`;
-- RenameIndex
ALTER TABLE `B` RENAME INDEX `B_a_b_idx` TO `AnotherCustomIndex`;
"#]]
};
migration.expect_contents(expected_script)
});
}
#[test_connector(tags(Mysql))]
fn bigint_defaults_work(api: TestApi) {
let schema = r#"
datasource mypg {
provider = "mysql"
url = env("TEST_DATABASE_URL")
}
model foo {
id String @id
bar BigInt @default(0)
}
"#;
let sql = expect![[r#"
-- CreateTable
CREATE TABLE `foo` (
`id` VARCHAR(191) NOT NULL,
`bar` BIGINT NOT NULL DEFAULT 0,
PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
"#]];
api.expect_sql_for_schema(schema, &sql);
api.schema_push(schema).send().assert_green();
api.schema_push(schema).send().assert_green().assert_no_steps();
}