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Merge pull request #755 from SeaQL/apply-old-pending-migration

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Allow old pending migration to be applied
This commit is contained in:
Chris Tsang 2022-07-01 02:40:37 +08:00 committed by GitHub
commit 50f9f5ad2f
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1 changed files with 28 additions and 10 deletions
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38
sea-orm-migration/src/migrator.rs
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@ -1,3 +1,4 @@
use std::collections::HashSet;
use std::fmt::Display;
use std::time::SystemTime;
use tracing::info;
@ -66,18 +67,35 @@ pub trait MigratorTrait: Send {
Self::install(db).await?;
let mut migration_files = Self::get_migration_files();
let migration_models = Self::get_migration_models(db).await?;
for (i, migration_model) in migration_models.into_iter().enumerate() {
if let Some(migration_file) = migration_files.get_mut(i) {
if migration_file.migration.name() == migration_model.version.as_str() {
migration_file.status = MigrationStatus::Applied;
} else {
return Err(DbErr::Custom(format!("Migration mismatch: applied migration != migration file, '{0}' != '{1}'\nMigration '{0}' has been applied but its corresponding migration file is missing.", migration_file.migration.name(), migration_model.version)));
}
} else {
return Err(DbErr::Custom(format!("Migration file of version '{}' is missing, this migration has been applied but its file is missing", migration_model.version)));
let migration_in_db: HashSet<String> = migration_models
.into_iter()
.map(|model| model.version)
.collect();
let migration_in_fs: HashSet<String> = migration_files
.iter()
.map(|file| file.migration.name().to_string())
.collect();
let pending_migrations = &migration_in_fs - &migration_in_db;
for migration_file in migration_files.iter_mut() {
if !pending_migrations.contains(migration_file.migration.name()) {
migration_file.status = MigrationStatus::Applied;
}
}
Ok(migration_files)
let missing_migrations_in_fs = &migration_in_db - &migration_in_fs;
let errors: Vec<String> = missing_migrations_in_fs
.iter()
.map(|missing_migration| {
format!("Migration file of version '{}' is missing, this migration has been applied but its file is missing", missing_migration)
}).collect();
if !errors.is_empty() {
Err(DbErr::Custom(errors.join("\n")))
} else {
Ok(migration_files)
}
}
/// Get list of pending migrations