DB Migration Tool for Kotlin. Inspired by harmonica.
- New Syntax
- Type Support
- Alter
- Sequence
- Create user guide
- Down
- Target
- SEEDING
- Gradle Plugin - generate
- Gradle Plugin - migrate
- Gradle Plugin - rollback
- Gradle Plugin - check
Add otter dependencies and task within your application.
// build.gradle.kts
/** ... */
dependencies {
/** ... */
implementation("io.github.goodgoodjm:otter-spring-boot-starter:0.0.23")
implementation(kotlin("script-runtime")) // for migration files of resources
/** ... */
}
// This task is needed to boot jar file
tasks.getByName<org.springframework.boot.gradle.tasks.bundling.BootJar>("bootJar") {
requiresUnpack("**/kotlin-compiler-embeddable-*.jar")
}
/** ... */Add otter variables to your application's properties.
# application.yml
otter:
driverClassName: ${spring.datasource.driver-class-name}
url: ${spring.datasource.url}
username: ${spring.datasource.username}
password: ${spring.datasource.password}
migrationPath: migrations
showSql: trueMake your migration files at migrationPath.
// resources/migrations/M2022071016263342.kts
import io.github.goodgoodjm.otter.core.Migration
import io.github.goodgoodjm.otter.core.dsl.Constraint
import io.github.goodgoodjm.otter.core.dsl.and
object : Migration() {
override fun up() {
createTable("person") {
"id" - INT constraints PRIMARY and AUTO_INCREMENT
"name" - VARCHAR(30)
"message" - VARCHAR
"lat" - LONG constraints UNIQUE
"nullable" - BOOL constraints NULLABLE
}
createTable("post") {
"id" - INT constraints PRIMARY and AUTO_INCREMENT
"person_id" - INT foreignKey "person(id)"
}
}
override fun down() {
dropTable("person")
dropTable("post")
}
}
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