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Added indexes to the components table on columns name, type, and page_id to optimize query performance.

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This commit is contained in:
arpitnath 2023-08-21 12:50:42 +05:30
parent af64dc91df
commit 683fe331e4
2 changed files with 16 additions and 3 deletions
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16
server/migrations/1691006952074-CreateComponentTable.ts
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@ -1,4 +1,4 @@
import { MigrationInterface, QueryRunner, Table, TableForeignKey } from 'typeorm';
import { MigrationInterface, QueryRunner, Table, TableForeignKey, TableIndex } from 'typeorm';
export class CreateComponentTable1691006952074 implements MigrationInterface {
public async up(queryRunner: QueryRunner): Promise<void> {
@ -46,7 +46,6 @@ export class CreateComponentTable1691006952074 implements MigrationInterface {
})
);
// Add foreign key to relate Component with Page
await queryRunner.createForeignKey(
'components',
new TableForeignKey({
@ -56,9 +55,22 @@ export class CreateComponentTable1691006952074 implements MigrationInterface {
onDelete: 'CASCADE',
})
);
await queryRunner.createIndex('components', new TableIndex({ columnNames: ['name'] }));
await queryRunner.createIndex('components', new TableIndex({ columnNames: ['type'] }));
await queryRunner.createIndex('components', new TableIndex({ columnNames: ['page_id'] }));
}
public async down(queryRunner: QueryRunner): Promise<void> {
// Drop indexes
await queryRunner.dropIndex('components', 'IDX_COMPONENT_NAME');
await queryRunner.dropIndex('components', 'IDX_COMPONENT_TYPE');
await queryRunner.dropIndex('components', 'IDX_COMPONENT_PAGE');
// Drop foreign key
await queryRunner.dropForeignKey('components', 'FK_COMPONENT_PAGE');
// Drop table
await queryRunner.dropTable('components');
}
}

3
server/src/entities/component.entity.ts
View file

@ -1,8 +1,9 @@
import { Entity, PrimaryGeneratedColumn, Column, ManyToOne, OneToMany, JoinColumn } from 'typeorm';
import { Entity, PrimaryGeneratedColumn, Column, ManyToOne, OneToMany, JoinColumn, Index } from 'typeorm';
import { Page } from './page.entity';
import { Layout } from './layout.entity';
@Entity({ name: 'components' })
@Index('idx_component_page_id', ['pageId'])
export class Component {
@PrimaryGeneratedColumn('uuid')
id: string;