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5 changes: 5 additions & 0 deletions src/entities/schema_version.entity.ts
Original file line number Diff line number Diff line change
Expand Up @@ -5,10 +5,15 @@ import {
CreateDateColumn,
UpdateDateColumn,
OneToMany,
Index,
} from 'typeorm';
import { SchemaChange } from './schema_change.entity';

@Entity('schema_version')
@Index('IDX_schema_version_schemaName', ['schemaName'])
@Index('IDX_schema_version_checksum', ['checksum'])
@Index('IDX_schema_version_createdAt', ['createdAt'])
@Index('IDX_schema_version_schemaName_createdAt', ['schemaName', 'createdAt'])
export class SchemaVersion {
@PrimaryGeneratedColumn('uuid')
id: string;
Expand Down
34 changes: 34 additions & 0 deletions src/migrations/1804000000000-add-schema-version-indexes.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
import { MigrationInterface, QueryRunner } from 'typeorm';

/**
* Issue #1239 - Add database indexes to the schema_version entity.
*
* Indexes added:
* - IDX_schema_version_schemaName - lookups and filtering by schema name
* - IDX_schema_version_checksum - lookups and verification by content checksum
* - IDX_schema_version_createdAt - chronological ordering and range queries
* - IDX_schema_version_schemaName_createdAt - composite index for schema version history queries
*/
export class AddSchemaVersionIndexes1804000000000 implements MigrationInterface {
public async up(queryRunner: QueryRunner): Promise<void> {
await queryRunner.query(
'CREATE INDEX IF NOT EXISTS "IDX_schema_version_schemaName" ON "schema_version" ("schemaName")',
);
await queryRunner.query(
'CREATE INDEX IF NOT EXISTS "IDX_schema_version_checksum" ON "schema_version" ("checksum")',
);
await queryRunner.query(
'CREATE INDEX IF NOT EXISTS "IDX_schema_version_createdAt" ON "schema_version" ("createdAt")',
);
await queryRunner.query(
'CREATE INDEX IF NOT EXISTS "IDX_schema_version_schemaName_createdAt" ON "schema_version" ("schemaName", "createdAt")',
);
}

public async down(queryRunner: QueryRunner): Promise<void> {
await queryRunner.query('DROP INDEX IF EXISTS "IDX_schema_version_schemaName_createdAt"');
await queryRunner.query('DROP INDEX IF EXISTS "IDX_schema_version_createdAt"');
await queryRunner.query('DROP INDEX IF EXISTS "IDX_schema_version_checksum"');
await queryRunner.query('DROP INDEX IF EXISTS "IDX_schema_version_schemaName"');
}
}
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