database-builder
Version:
Library to assist in creating and maintaining SQL commands.
258 lines (257 loc) • 12.5 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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Object.defineProperty(exports, "__esModule", { value: true });
exports.SQLite3DatabaseAdapter = void 0;
var query_helper_1 = require("../core/query-helper");
var base_database_adapter_1 = require("./base-database.adapter");
var utils_1 = require("../core/utils");
/**
* Adapter for https://www.npmjs.com/package/sqlite3
*
* Example usage:
*
* `new SQLite3DatabaseAdapter(sqlite3.Database);`
* @export
* @class SQLite3DatabaseAdapter
* @implements {DatabaseCreatorContract}
*/
var SQLite3DatabaseAdapter = /** @class */ (function (_super) {
__extends(SQLite3DatabaseAdapter, _super);
function SQLite3DatabaseAdapter(_sqlite) {
var _this = _super.call(this) || this;
_this._sqlite = _sqlite;
return _this;
}
SQLite3DatabaseAdapter.prototype.createDatabaseNative = function (config) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, new this._sqlite(config.name)];
});
});
};
SQLite3DatabaseAdapter.prototype.convertToExecuteSql = function (databaseNative) {
var _this = this;
return function (statement, params) {
return _this.executeSql(databaseNative, statement, params);
};
};
SQLite3DatabaseAdapter.prototype.convertToTransaction = function (databaseNative) {
var _this = this;
return function (fn) {
return new Promise(function (resolve, reject) {
_this.executeSql(databaseNative, "BEGIN TRANSACTION", [])
.then(function (_) {
try {
fn({
executeSql: function (sql, values) {
return _this.executeSql(databaseNative, sql, Array.isArray(values) ? values : []);
}
});
_this.executeSql(databaseNative, "COMMIT", [])
.then(function (_) { return resolve(); })
.catch(function (err) { return reject(err); });
}
catch (error) {
_this.executeSql(databaseNative, "ROLLBACK", [])
.then(function (_) { return resolve(); })
.catch(function (err) { return reject(err); });
}
})
.catch(function (err) { return reject(err); });
});
};
};
SQLite3DatabaseAdapter.prototype.convertToSqlBatch = function (databaseNative) {
var _this = this;
return function (sqlStatements) {
return _this.batch(databaseNative, sqlStatements, true);
};
};
SQLite3DatabaseAdapter.prototype.executeSql = function (database, statement, params) {
var _this = this;
if (query_helper_1.QueryHelper.isMultipleCommands(statement)) {
return new Promise(function (resolve, reject) {
var commands = query_helper_1.QueryHelper.splitMultipleCommands(statement, params).map(function (x) { return [x.sql, x.params]; });
_this.batch(database, commands, false)
.then(function (result) {
return resolve(result
? result.reduce(function (a, b) {
return _this.createDatabaseResult([], a.rowsAffected + b.rowsAffected, b.insertId);
}, _this.createDatabaseResult([], 0, void 0))
: _this.createDatabaseResult([], 0, void 0));
})
.catch(function (err) { return reject(err); });
});
}
else if (this.isSelect(statement)) {
return this.query(database, statement, params);
}
return new Promise(function (resolve, reject) {
_this.batch(database, [[statement, params]], false)
.then(function (result) {
return resolve(result
? result.reduce(function (a, b) {
return _this.createDatabaseResult([], a.rowsAffected + b.rowsAffected, b.insertId);
}, _this.createDatabaseResult([], 0, void 0))
: _this.createDatabaseResult([], 0, void 0));
})
.catch(function (err) { return reject(err); });
});
};
SQLite3DatabaseAdapter.prototype.batch = function (database, sqlStatements, runInTransaction) {
if (!sqlStatements || sqlStatements.constructor !== Array) {
throw Error("sqlBatch expects an array");
}
var batchList = [];
for (var _i = 0, sqlStatements_1 = sqlStatements; _i < sqlStatements_1.length; _i++) {
var st = sqlStatements_1[_i];
if (st.constructor === Array) {
if (st.length === 0) {
throw Error("sqlBatch array element of zero (0) length");
}
batchList.push({
sql: st[0],
params: st.length === 0 ? [] : st[1]
});
}
else {
batchList.push({
sql: st,
params: []
});
}
}
return this.executeBatchs(database, batchList, runInTransaction);
};
SQLite3DatabaseAdapter.prototype.executeBatchs = function (database, batchs, runInTransaction) {
return __awaiter(this, void 0, void 0, function () {
var result, _i, batchs_1, batch, _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
result = [];
if (!runInTransaction) return [3 /*break*/, 2];
return [4 /*yield*/, this.beginTransaction(database)];
case 1:
_c.sent();
_c.label = 2;
case 2:
_i = 0, batchs_1 = batchs;
_c.label = 3;
case 3:
if (!(_i < batchs_1.length)) return [3 /*break*/, 6];
batch = batchs_1[_i];
_b = (_a = result).push;
return [4 /*yield*/, this.executeBatch(database, batch)];
case 4:
_b.apply(_a, [_c.sent()]);
_c.label = 5;
case 5:
_i++;
return [3 /*break*/, 3];
case 6:
if (!runInTransaction) return [3 /*break*/, 8];
return [4 /*yield*/, this.commitTransaction(database)];
case 7:
_c.sent();
_c.label = 8;
case 8: return [2 /*return*/, result];
}
});
});
};
SQLite3DatabaseAdapter.prototype.executeBatch = function (database, batch) {
var _this = this;
return new Promise(function (resolve, reject) {
var that = _this;
var cmd = query_helper_1.QueryHelper.compileWithoutParams(batch.sql, batch.params);
database.run(cmd, [], function (err) {
if (err) {
reject(err);
}
else {
resolve(that.createDatabaseResult([], this.changes, this.lastID));
}
});
});
};
SQLite3DatabaseAdapter.prototype.query = function (database, sql, params) {
var _this = this;
return new Promise(function (resolve, reject) {
database.all(sql, params, function (err, rows) {
if (err) {
reject(err);
}
else {
resolve(_this.createDatabaseResult(rows));
}
});
});
};
SQLite3DatabaseAdapter.prototype.isSelect = function (sql) {
return /select/i.test(sql);
};
SQLite3DatabaseAdapter.prototype.createDatabaseResult = function (rows, rowsAffected, insertId) {
if (rowsAffected === void 0) { rowsAffected = 0; }
if (insertId === void 0) { insertId = void 0; }
return utils_1.Utils.objectToDatabaseResult(rows, rowsAffected, insertId);
};
SQLite3DatabaseAdapter.prototype.beginTransaction = function (database) {
return this.executeBatch(database, { sql: "BEGIN TRANSACTION", params: [] });
};
SQLite3DatabaseAdapter.prototype.commitTransaction = function (database) {
return this.executeBatch(database, { sql: "COMMIT", params: [] });
};
return SQLite3DatabaseAdapter;
}(base_database_adapter_1.BaseDatabaseAdapter));
exports.SQLite3DatabaseAdapter = SQLite3DatabaseAdapter;