마이그레이션 오류

pnpm sonamu sync

또는

pnpm dev

SyntaxError: Unexpected token } in JSON at position 1
    at JSON.parse (<anonymous>)
    at getPreviousChecksums (checksum.ts:109)

rm sonamu.lock
pnpm sonamu sync

cat sonamu.lock

Error: Migration files conflict:
  - 20240115_create_users.ts
  - 20240115_add_email_column.ts
Both have timestamp: 20240115

# migrations 디렉토리에서
mv 20240115_add_email_column.ts 20240115_001_add_email_column.ts
mv 20240115_create_users.ts 20240115_002_create_users.ts

pnpm sonamu migrate create add_email_column
# 생성: 20240115_143022_add_email_column.ts

Error: column "full_name" cannot be cast automatically to type text
HINT: You might need to specify "USING full_name::text"

// migrations/20240115_modify_generated_column.ts
import { Knex } from "knex";

export async function up(knex: Knex): Promise<void> {
  await knex.schema.alterTable("users", (table) => {
    // Generated Column 삭제
    table.dropColumn("full_name");
  });

  await knex.schema.alterTable("users", (table) => {
    // 새로운 정의로 재생성
    table.specificType(
      "full_name",
      "TEXT GENERATED ALWAYS AS (first_name || ' ' || last_name) STORED",
    );
  });
}

export async function down(knex: Knex): Promise<void> {
  await knex.schema.alterTable("users", (table) => {
    table.dropColumn("full_name");
  });

  // 이전 정의로 복원
  await knex.schema.alterTable("users", (table) => {
    table.specificType("full_name", "TEXT GENERATED ALWAYS AS (first_name || last_name) STORED");
  });
}

{
  "columns": {
    "full_name": {
      "type": "string",
      "generated": "ALWAYS AS (first_name || ' ' || last_name) STORED",
      "nullable": true
    }
  }
}

column "created_at" is of type timestamp without time zone but default
expression is of type timestamp with time zone

{
  "columns": {
    "created_at": {
      "type": "datetime",
      "precision": 6,
      "nullable": false,
      "default": "CURRENT_TIMESTAMP(6)"
    },
    "updated_at": {
      "type": "datetime",
      "precision": 6,
      "nullable": false,
      "default": "CURRENT_TIMESTAMP(6)"
    }
  }
}

export async function up(knex: Knex): Promise<void> {
  await knex.schema.alterTable("users", (table) => {
    table
      .specificType("created_at", "TIMESTAMP(6)")
      .notNullable()
      .defaultTo(knex.raw("CURRENT_TIMESTAMP(6)"));
    table
      .specificType("updated_at", "TIMESTAMP(6)")
      .notNullable()
      .defaultTo(knex.raw("CURRENT_TIMESTAMP(6)"));
  });
}

Error: update or delete on table "users" violates foreign key constraint
"posts_user_id_foreign" on table "posts"

// entity.json
{
  "props": {
    "user_id": {
      "type": "id",
      "refer": "User",
      "onDelete": "CASCADE",  // 부모 삭제 시 자식도 삭제
      "onUpdate": "CASCADE"   // 부모 수정 시 자식도 수정
    }
  }
}

export async function up(knex: Knex): Promise<void> {
  // 기존 외래 키 제거
  await knex.schema.alterTable("posts", (table) => {
    table.dropForeign(["user_id"]);
  });

  // CASCADE 옵션으로 재생성
  await knex.schema.alterTable("posts", (table) => {
    table
      .foreign("user_id")
      .references("id")
      .inTable("users")
      .onDelete("CASCADE")
      .onUpdate("CASCADE");
  });
}

pnpm sonamu migrate rollback

Error: Migration 20240115_create_users.ts has no down() function

export async function up(knex: Knex): Promise<void> {
  await knex.schema.createTable("users", (table) => {
    table.bigIncrements("id").primary();
    table.string("email").notNullable().unique();
    table.string("name").notNullable();
    table.timestamps(true, true);
  });
}

export async function down(knex: Knex): Promise<void> {
  await knex.schema.dropTableIfExists("users");
}

export async function up(knex: Knex): Promise<void> {
  // 컬럼 추가
  await knex.schema.alterTable("users", (table) => {
    table.string("phone").nullable();
  });

  // 데이터 이전
  await knex.raw(`
    UPDATE users 
    SET phone = contact_number 
    WHERE contact_number IS NOT NULL
  `);

  // 기존 컬럼 삭제
  await knex.schema.alterTable("users", (table) => {
    table.dropColumn("contact_number");
  });
}

export async function down(knex: Knex): Promise<void> {
  // 기존 컬럼 복원
  await knex.schema.alterTable("users", (table) => {
    table.string("contact_number").nullable();
  });

  // 데이터 복원
  await knex.raw(`
    UPDATE users 
    SET contact_number = phone 
    WHERE phone IS NOT NULL
  `);

  // 새 컬럼 삭제
  await knex.schema.alterTable("users", (table) => {
    table.dropColumn("phone");
  });
}

pnpm sonamu migrate status

Error: Migration table is corrupted

Migration 20240115_create_users.ts was applied but file is missing

SELECT * FROM knex_migrations ORDER BY migration_time;

-- 특정 마이그레이션 제거
DELETE FROM knex_migrations
WHERE name = '20240115_create_users.ts';

-- 또는 테이블 초기화 (주의!)
TRUNCATE knex_migrations;

# 테이블 초기화 후
pnpm sonamu migrate latest

// MySQL
table.integer("status").unsigned();

// PostgreSQL
table.integer("status"); // PostgreSQL은 unsigned 없음

// MySQL
table.increments("id");

// PostgreSQL
table.bigIncrements("id"); // BIGSERIAL 사용 권장

// MySQL - TEXT 타입 크기 지정
table.text("content", "mediumtext");

// PostgreSQL - TEXT는 크기 제한 없음
table.text("content");

// MySQL - TINYINT(1)
table.boolean("is_active");

// PostgreSQL - 실제 BOOLEAN
table.boolean("is_active");

// MySQL
table.json("metadata");

// PostgreSQL - JSONB 권장 (인덱싱 가능)
table.jsonb("metadata");