@bodyam8/core/src/objection/test.ts

most useful backend tools

import {AbstractShardedModel} from './AbstractShardedModel';

class UserShardedModel extends AbstractShardedModel {
    // @ts-ignore
    id: number;
    static getTableNameTemplate() {
        return 'user_shard'
    }
}

const testConfig = {
    shardedConnections: [
        {client: 'pg', host: '1', password: '1', user: '1', database: '1', sharding: '1-3'},
        {client: 'pg', host: '2', password: '2', user: '2', database: '1', sharding: '4-6'},
    ],
    connections: [],
}

const qb = UserShardedModel.useShard(testConfig, 1)
    .query()
    .insert([{id: 1}, {id: 2}])
    .onConflict()
    .merge();

console.log(
    qb.knex().client,
    qb.toKnexQuery().toSQL().toNative(),
);