agnostic-sql-migrator/dist/version.js

Database agnostic migrator tool for SQL databases

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Version = void 0;
exports.Version = {
    exists: (client, adapter, adapterType) => __awaiter(void 0, void 0, void 0, function* () {
        const tableName = `${adapterType}_migration_table`;
        if (adapterType === "postgres") {
            const postgresQuery = `SELECT EXISTS(SELECT * FROM information_schema.tables WHERE table_name = '${tableName}') AS value;`;
            const exists = yield adapter.query(client, postgresQuery);
            return exists[0].value;
        }
        else if (adapterType === "mysql") {
            const mysqlQuery = `SELECT EXISTS(SELECT * FROM information_schema.tables WHERE table_name='${tableName}') AS value;`;
            const exists = yield adapter.query(client, mysqlQuery);
            return exists[0].value === 0 ? false : true;
        }
        else if (adapterType === "sqlserver") {
            const sqlServerQuery = `SELECT CASE WHEN EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = '${tableName}') THEN 1 ELSE 0 END AS value`;
            const exists = yield adapter.query(client, sqlServerQuery);
            return exists[0].value === 0 ? false : true;
        }
    }),
    create: (client, adapter, adapterType) => __awaiter(void 0, void 0, void 0, function* () {
        const tableName = `${adapterType}_migration_table`;
        console.log("New DB - Creating version information");
        yield adapter.query(client, `CREATE TABLE ${tableName} (value INT);`);
        yield adapter.query(client, `INSERT INTO ${tableName} (value) VALUES(1);`);
    }),
    update: (client, adapter, version, adapterType) => __awaiter(void 0, void 0, void 0, function* () {
        const tableName = `${adapterType}_migration_table`;
        yield adapter.query(client, `UPDATE ${tableName} SET value=${version}`);
    }),
    get: (client, adapter, adapterType) => __awaiter(void 0, void 0, void 0, function* () {
        const tableName = `${adapterType}_migration_table`;
        const version = yield adapter.query(client, `SELECT value FROM ${tableName}`);
        const currentVersion = Number.parseInt(version[0].value);
        console.log("Current DB Version is: ", currentVersion);
        return currentVersion;
    })
};
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