fix(database): fix the index name too long error

packages/core/database/src/__tests__/field-options/inddex.test.ts

@@ -0,0 +1,43 @@
+import { mockDatabase } from '../';
+import { Database } from '../../database';
+import { md5 } from '../../utils';
+
+describe('index field options', () => {
+  let db: Database;
+
+  beforeEach(async () => {
+    db = mockDatabase();
+  });
+
+  afterEach(async () => {
+    await db.close();
+  });
+
+  it('case 1', async () => {
+    const t1 = 't1234567890223456789032345678904234567890523456789';
+    const f1 = 'f1234567890223456789032345678904234567890523456789062345678901';
+    const f2 = 'f1234567890223456789032345678904234567890523456789062345678902';
+    db.collection({
+      name: t1,
+      fields: [
+        {
+          type: 'string',
+          name: f1,
+          index: true,
+        },
+        {
+          type: 'string',
+          name: f2,
+          index: true,
+        },
+      ],
+    });
+    await db.sync();
+    // @ts-ignore
+    const indexes = db.getModel(t1)._indexes;
+    const index1 = indexes.find((item) => item.fields.includes(f1));
+    const index2 = indexes.find((item) => item.fields.includes(f2));
+    expect('i_' + md5(db.getTablePrefix() + `${t1}_${f1}`)).toBe(index1.name);
+    expect('i_' + md5(db.getTablePrefix() + `${t1}_${f2}`)).toBe(index2.name);
+  });
+});

packages/core/database/src/collection.ts

@@ -13,6 +13,7 @@ import { Database } from './database';
 import { Field, FieldOptions } from './fields';
 import { Model } from './model';
 import { Repository } from './repository';
+import { md5 } from './utils';
 
 export type RepositoryType = typeof Repository;
 
@@ -283,7 +284,7 @@ export class Collection<
     this.setField(options.name || name, options);
   }
 
-  addIndex(index: string | string[] | { fields: string[], unique?: boolean,[key: string]: any }) {
+  addIndex(index: string | string[] | { fields: string[]; unique?: boolean; [key: string]: any }) {
     if (!index) {
       return;
     }
@@ -329,7 +330,13 @@ export class Collection<
     // @ts-ignore
     this.model._indexes = this.model.options.indexes
       // @ts-ignore
-      .map((index) => Utils.nameIndex(this.model._conformIndex(index), tableName));
+      .map((index) => Utils.nameIndex(this.model._conformIndex(index), tableName))
+      .map((item) => {
+        if (item.name && item.name.length > 63) {
+          item.name = 'i_' + md5(item.name);
+        }
+        return item;
+      });
   }
 
   removeIndex(fields: any) {

packages/core/database/src/utils.ts

@@ -1,4 +1,4 @@
-import { omit } from 'lodash';
+import crypto from 'crypto';
 import { Model } from './model';
 
 type HandleAppendsQueryOptions = {
@@ -6,6 +6,10 @@ type HandleAppendsQueryOptions = {
   queryPromises: Array<any>;
 };
 
+export function md5(value: string) {
+  return crypto.createHash('md5').update(value).digest('hex');
+}
+
 export async function handleAppendsQuery(options: HandleAppendsQueryOptions) {
   const { templateModel, queryPromises } = options;