typeorm
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Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
827 lines (825 loc) • 35.1 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.AuroraDataApiDriver = void 0;
var tslib_1 = require("tslib");
var DriverUtils_1 = require("../DriverUtils");
var AuroraDataApiQueryRunner_1 = require("./AuroraDataApiQueryRunner");
var DateUtils_1 = require("../../util/DateUtils");
var PlatformTools_1 = require("../../platform/PlatformTools");
var RdbmsSchemaBuilder_1 = require("../../schema-builder/RdbmsSchemaBuilder");
var EntityMetadata_1 = require("../../metadata/EntityMetadata");
var OrmUtils_1 = require("../../util/OrmUtils");
var ApplyValueTransformers_1 = require("../../util/ApplyValueTransformers");
var error_1 = require("../../error");
var Table_1 = require("../../schema-builder/table/Table");
var View_1 = require("../../schema-builder/view/View");
var TableForeignKey_1 = require("../../schema-builder/table/TableForeignKey");
/**
* Organizes communication with MySQL DBMS.
*/
var AuroraDataApiDriver = /** @class */ (function () {
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
function AuroraDataApiDriver(connection) {
var _this = this;
/**
* Indicates if replication is enabled.
*/
this.isReplicated = false;
/**
* Indicates if tree tables are supported by this driver.
*/
this.treeSupport = true;
/**
* Gets list of supported column data types by a driver.
*
* @see https://www.tutorialspoint.com/mysql/mysql-data-types.htm
* @see https://dev.mysql.com/doc/refman/8.0/en/data-types.html
*/
this.supportedDataTypes = [
// numeric types
"bit",
"int",
"integer",
"tinyint",
"smallint",
"mediumint",
"bigint",
"float",
"double",
"double precision",
"real",
"decimal",
"dec",
"numeric",
"fixed",
"bool",
"boolean",
// date and time types
"date",
"datetime",
"timestamp",
"time",
"year",
// string types
"char",
"nchar",
"national char",
"varchar",
"nvarchar",
"national varchar",
"blob",
"text",
"tinyblob",
"tinytext",
"mediumblob",
"mediumtext",
"longblob",
"longtext",
"enum",
"set",
"binary",
"varbinary",
// json data type
"json",
// spatial data types
"geometry",
"point",
"linestring",
"polygon",
"multipoint",
"multilinestring",
"multipolygon",
"geometrycollection"
];
/**
* Gets list of spatial column data types.
*/
this.spatialTypes = [
"geometry",
"point",
"linestring",
"polygon",
"multipoint",
"multilinestring",
"multipolygon",
"geometrycollection"
];
/**
* Gets list of column data types that support length by a driver.
*/
this.withLengthColumnTypes = [
"char",
"varchar",
"nvarchar",
"binary",
"varbinary"
];
/**
* Gets list of column data types that support length by a driver.
*/
this.withWidthColumnTypes = [
"bit",
"tinyint",
"smallint",
"mediumint",
"int",
"integer",
"bigint"
];
/**
* Gets list of column data types that support precision by a driver.
*/
this.withPrecisionColumnTypes = [
"decimal",
"dec",
"numeric",
"fixed",
"float",
"double",
"double precision",
"real",
"time",
"datetime",
"timestamp"
];
/**
* Gets list of column data types that supports scale by a driver.
*/
this.withScaleColumnTypes = [
"decimal",
"dec",
"numeric",
"fixed",
"float",
"double",
"double precision",
"real"
];
/**
* Gets list of column data types that supports UNSIGNED and ZEROFILL attributes.
*/
this.unsignedAndZerofillTypes = [
"int",
"integer",
"smallint",
"tinyint",
"mediumint",
"bigint",
"decimal",
"dec",
"numeric",
"fixed",
"float",
"double",
"double precision",
"real"
];
/**
* ORM has special columns and we need to know what database column types should be for those columns.
* Column types are driver dependant.
*/
this.mappedDataTypes = {
createDate: "datetime",
createDatePrecision: 6,
createDateDefault: "CURRENT_TIMESTAMP(6)",
updateDate: "datetime",
updateDatePrecision: 6,
updateDateDefault: "CURRENT_TIMESTAMP(6)",
deleteDate: "datetime",
deleteDatePrecision: 6,
deleteDateNullable: true,
version: "int",
treeLevel: "int",
migrationId: "int",
migrationName: "varchar",
migrationTimestamp: "bigint",
cacheId: "int",
cacheIdentifier: "varchar",
cacheTime: "bigint",
cacheDuration: "int",
cacheQuery: "text",
cacheResult: "text",
metadataType: "varchar",
metadataDatabase: "varchar",
metadataSchema: "varchar",
metadataTable: "varchar",
metadataName: "varchar",
metadataValue: "text",
};
/**
* Default values of length, precision and scale depends on column data type.
* Used in the cases when length/precision/scale is not specified by user.
*/
this.dataTypeDefaults = {
"varchar": { length: 255 },
"nvarchar": { length: 255 },
"national varchar": { length: 255 },
"char": { length: 1 },
"binary": { length: 1 },
"varbinary": { length: 255 },
"decimal": { precision: 10, scale: 0 },
"dec": { precision: 10, scale: 0 },
"numeric": { precision: 10, scale: 0 },
"fixed": { precision: 10, scale: 0 },
"float": { precision: 12 },
"double": { precision: 22 },
"time": { precision: 0 },
"datetime": { precision: 0 },
"timestamp": { precision: 0 },
"bit": { width: 1 },
"int": { width: 11 },
"integer": { width: 11 },
"tinyint": { width: 4 },
"smallint": { width: 6 },
"mediumint": { width: 9 },
"bigint": { width: 20 }
};
/**
* Max length allowed by MySQL for aliases.
* @see https://dev.mysql.com/doc/refman/5.5/en/identifiers.html
*/
this.maxAliasLength = 63;
this.connection = connection;
this.options = connection.options;
// load mysql package
this.loadDependencies();
this.client = new this.DataApiDriver(this.options.region, this.options.secretArn, this.options.resourceArn, this.options.database, function (query, parameters) { return _this.connection.logger.logQuery(query, parameters); }, this.options.serviceConfigOptions, this.options.formatOptions);
this.database = DriverUtils_1.DriverUtils.buildDriverOptions(this.options).database;
// validate options to make sure everything is set
// todo: revisit validation with replication in mind
// if (!(this.options.host || (this.options.extra && this.options.extra.socketPath)) && !this.options.socketPath)
// throw new DriverOptionNotSetError("socketPath and host");
// if (!this.options.username)
// throw new DriverOptionNotSetError("username");
// if (!this.options.database)
// throw new DriverOptionNotSetError("database");
// todo: check what is going on when connection is setup without database and how to connect to a database then?
// todo: provide options to auto-create a database if it does not exist yet
}
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
/**
* Performs connection to the database.
*/
AuroraDataApiDriver.prototype.connect = function () {
return tslib_1.__awaiter(this, void 0, void 0, function () {
var queryRunner, _a;
return tslib_1.__generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!!this.database) return [3 /*break*/, 4];
return [4 /*yield*/, this.createQueryRunner("master")];
case 1:
queryRunner = _b.sent();
_a = this;
return [4 /*yield*/, queryRunner.getCurrentDatabase()];
case 2:
_a.database = _b.sent();
return [4 /*yield*/, queryRunner.release()];
case 3:
_b.sent();
_b.label = 4;
case 4: return [2 /*return*/];
}
});
});
};
/**
* Makes any action after connection (e.g. create extensions in Postgres driver).
*/
AuroraDataApiDriver.prototype.afterConnect = function () {
return Promise.resolve();
};
/**
* Closes connection with the database.
*/
AuroraDataApiDriver.prototype.disconnect = function () {
return tslib_1.__awaiter(this, void 0, void 0, function () {
return tslib_1.__generator(this, function (_a) {
return [2 /*return*/];
});
});
};
/**
* Creates a schema builder used to build and sync a schema.
*/
AuroraDataApiDriver.prototype.createSchemaBuilder = function () {
return new RdbmsSchemaBuilder_1.RdbmsSchemaBuilder(this.connection);
};
/**
* Creates a query runner used to execute database queries.
*/
AuroraDataApiDriver.prototype.createQueryRunner = function (mode) {
var _this = this;
return new AuroraDataApiQueryRunner_1.AuroraDataApiQueryRunner(this, new this.DataApiDriver(this.options.region, this.options.secretArn, this.options.resourceArn, this.options.database, function (query, parameters) { return _this.connection.logger.logQuery(query, parameters); }, this.options.serviceConfigOptions, this.options.formatOptions));
};
/**
* Replaces parameters in the given sql with special escaping character
* and an array of parameter names to be passed to a query.
*/
AuroraDataApiDriver.prototype.escapeQueryWithParameters = function (sql, parameters, nativeParameters) {
var _this = this;
var escapedParameters = Object.keys(nativeParameters).map(function (key) { return nativeParameters[key]; });
if (!parameters || !Object.keys(parameters).length)
return [sql, escapedParameters];
sql = sql.replace(/:(\.\.\.)?([A-Za-z0-9_.]+)/g, function (full, isArray, key) {
if (!parameters.hasOwnProperty(key)) {
return full;
}
var value = parameters[key];
if (isArray) {
return value.map(function (v) {
escapedParameters.push(v);
return _this.createParameter(key, escapedParameters.length - 1);
}).join(", ");
}
if (value instanceof Function) {
return value();
}
escapedParameters.push(value);
return _this.createParameter(key, escapedParameters.length - 1);
}); // todo: make replace only in value statements, otherwise problems
return [sql, escapedParameters];
};
/**
* Escapes a column name.
*/
AuroraDataApiDriver.prototype.escape = function (columnName) {
return "`" + columnName + "`";
};
/**
* Build full table name with database name, schema name and table name.
* E.g. myDB.mySchema.myTable
*/
AuroraDataApiDriver.prototype.buildTableName = function (tableName, schema, database) {
var tablePath = [tableName];
if (database) {
tablePath.unshift(database);
}
return tablePath.join('.');
};
/**
* Parse a target table name or other types and return a normalized table definition.
*/
AuroraDataApiDriver.prototype.parseTableName = function (target) {
var driverDatabase = this.database;
var driverSchema = undefined;
if (target instanceof Table_1.Table || target instanceof View_1.View) {
var parsed = this.parseTableName(target.name);
return {
database: target.database || parsed.database || driverDatabase,
schema: target.schema || parsed.schema || driverSchema,
tableName: parsed.tableName
};
}
if (target instanceof TableForeignKey_1.TableForeignKey) {
var parsed = this.parseTableName(target.referencedTableName);
return {
database: target.referencedDatabase || parsed.database || driverDatabase,
schema: target.referencedSchema || parsed.schema || driverSchema,
tableName: parsed.tableName
};
}
if (target instanceof EntityMetadata_1.EntityMetadata) {
// EntityMetadata tableName is never a path
return {
database: target.database || driverDatabase,
schema: target.schema || driverSchema,
tableName: target.tableName
};
}
var parts = target.split(".");
return {
database: (parts.length > 1 ? parts[0] : undefined) || driverDatabase,
schema: driverSchema,
tableName: parts.length > 1 ? parts[1] : parts[0]
};
};
/**
* Prepares given value to a value to be persisted, based on its column type and metadata.
*/
AuroraDataApiDriver.prototype.preparePersistentValue = function (value, columnMetadata) {
if (columnMetadata.transformer)
value = ApplyValueTransformers_1.ApplyValueTransformers.transformTo(columnMetadata.transformer, value);
if (!this.options.formatOptions || this.options.formatOptions.castParameters !== false) {
return this.client.preparePersistentValue(value, columnMetadata);
}
if (value === null || value === undefined)
return value;
if (columnMetadata.type === Boolean) {
return value === true ? 1 : 0;
}
else if (columnMetadata.type === "date") {
return DateUtils_1.DateUtils.mixedDateToDateString(value);
}
else if (columnMetadata.type === "time") {
return DateUtils_1.DateUtils.mixedDateToTimeString(value);
}
else if (columnMetadata.type === "json") {
return JSON.stringify(value);
}
else if (columnMetadata.type === "timestamp" || columnMetadata.type === "datetime" || columnMetadata.type === Date) {
return DateUtils_1.DateUtils.mixedDateToDate(value);
}
else if (columnMetadata.type === "simple-array" || columnMetadata.type === "set") {
return DateUtils_1.DateUtils.simpleArrayToString(value);
}
else if (columnMetadata.type === "simple-json") {
return DateUtils_1.DateUtils.simpleJsonToString(value);
}
else if (columnMetadata.type === "enum" || columnMetadata.type === "simple-enum") {
return "" + value;
}
return value;
};
/**
* Prepares given value to a value to be persisted, based on its column type or metadata.
*/
AuroraDataApiDriver.prototype.prepareHydratedValue = function (value, columnMetadata) {
if (value === null || value === undefined)
return columnMetadata.transformer ? ApplyValueTransformers_1.ApplyValueTransformers.transformFrom(columnMetadata.transformer, value) : value;
if (!this.options.formatOptions || this.options.formatOptions.castParameters !== false) {
return this.client.prepareHydratedValue(value, columnMetadata);
}
if (columnMetadata.type === Boolean || columnMetadata.type === "bool" || columnMetadata.type === "boolean") {
value = value ? true : false;
}
else if (columnMetadata.type === "datetime" || columnMetadata.type === Date) {
value = DateUtils_1.DateUtils.normalizeHydratedDate(value);
}
else if (columnMetadata.type === "date") {
value = DateUtils_1.DateUtils.mixedDateToDateString(value);
}
else if (columnMetadata.type === "json") {
value = typeof value === "string" ? JSON.parse(value) : value;
}
else if (columnMetadata.type === "time") {
value = DateUtils_1.DateUtils.mixedTimeToString(value);
}
else if (columnMetadata.type === "simple-array" || columnMetadata.type === "set") {
value = DateUtils_1.DateUtils.stringToSimpleArray(value);
}
else if (columnMetadata.type === "simple-json") {
value = DateUtils_1.DateUtils.stringToSimpleJson(value);
}
else if ((columnMetadata.type === "enum" || columnMetadata.type === "simple-enum")
&& columnMetadata.enum
&& !isNaN(value)
&& columnMetadata.enum.indexOf(parseInt(value)) >= 0) {
// convert to number if that exists in possible enum options
value = parseInt(value);
}
if (columnMetadata.transformer)
value = ApplyValueTransformers_1.ApplyValueTransformers.transformFrom(columnMetadata.transformer, value);
return value;
};
/**
* Creates a database type from a given column metadata.
*/
AuroraDataApiDriver.prototype.normalizeType = function (column) {
if (column.type === Number || column.type === "integer") {
return "int";
}
else if (column.type === String) {
return "varchar";
}
else if (column.type === Date) {
return "datetime";
}
else if (column.type === Buffer) {
return "blob";
}
else if (column.type === Boolean) {
return "tinyint";
}
else if (column.type === "uuid") {
return "varchar";
}
else if (column.type === "simple-array" || column.type === "simple-json") {
return "text";
}
else if (column.type === "simple-enum") {
return "enum";
}
else if (column.type === "double precision" || column.type === "real") {
return "double";
}
else if (column.type === "dec" || column.type === "numeric" || column.type === "fixed") {
return "decimal";
}
else if (column.type === "bool" || column.type === "boolean") {
return "tinyint";
}
else if (column.type === "nvarchar" || column.type === "national varchar") {
return "varchar";
}
else if (column.type === "nchar" || column.type === "national char") {
return "char";
}
else {
return column.type || "";
}
};
/**
* Normalizes "default" value of the column.
*/
AuroraDataApiDriver.prototype.normalizeDefault = function (columnMetadata) {
var defaultValue = columnMetadata.default;
if (defaultValue === null) {
return undefined;
}
if ((columnMetadata.type === "enum" || columnMetadata.type === "simple-enum") && defaultValue !== undefined) {
return "'" + defaultValue + "'";
}
if ((columnMetadata.type === "set") && defaultValue !== undefined) {
return "'" + DateUtils_1.DateUtils.simpleArrayToString(defaultValue) + "'";
}
if (typeof defaultValue === "number") {
return "" + defaultValue;
}
if (typeof defaultValue === "boolean") {
return defaultValue ? "1" : "0";
}
if (typeof defaultValue === "function") {
return defaultValue();
}
if (typeof defaultValue === "string") {
return "'" + defaultValue + "'";
}
if (defaultValue === undefined) {
return undefined;
}
return "" + defaultValue;
};
/**
* Normalizes "isUnique" value of the column.
*/
AuroraDataApiDriver.prototype.normalizeIsUnique = function (column) {
return column.entityMetadata.indices.some(function (idx) { return idx.isUnique && idx.columns.length === 1 && idx.columns[0] === column; });
};
/**
* Returns default column lengths, which is required on column creation.
*/
AuroraDataApiDriver.prototype.getColumnLength = function (column) {
if (column.length)
return column.length.toString();
/**
* fix https://github.com/typeorm/typeorm/issues/1139
*/
if (column.generationStrategy === "uuid")
return "36";
switch (column.type) {
case String:
case "varchar":
case "nvarchar":
case "national varchar":
return "255";
case "varbinary":
return "255";
default:
return "";
}
};
/**
* Creates column type definition including length, precision and scale
*/
AuroraDataApiDriver.prototype.createFullType = function (column) {
var type = column.type;
// used 'getColumnLength()' method, because MySQL requires column length for `varchar`, `nvarchar` and `varbinary` data types
if (this.getColumnLength(column)) {
type += "(" + this.getColumnLength(column) + ")";
}
else if (column.width) {
type += "(" + column.width + ")";
}
else if (column.precision !== null && column.precision !== undefined && column.scale !== null && column.scale !== undefined) {
type += "(" + column.precision + "," + column.scale + ")";
}
else if (column.precision !== null && column.precision !== undefined) {
type += "(" + column.precision + ")";
}
if (column.isArray)
type += " array";
return type;
};
/**
* Obtains a new database connection to a master server.
* Used for replication.
* If replication is not setup then returns default connection's database connection.
*/
AuroraDataApiDriver.prototype.obtainMasterConnection = function () {
var _this = this;
return new Promise(function (ok, fail) {
if (_this.poolCluster) {
_this.poolCluster.getConnection("MASTER", function (err, dbConnection) {
err ? fail(err) : ok(_this.prepareDbConnection(dbConnection));
});
}
else if (_this.pool) {
_this.pool.getConnection(function (err, dbConnection) {
err ? fail(err) : ok(_this.prepareDbConnection(dbConnection));
});
}
else {
fail(new error_1.TypeORMError("Connection is not established with mysql database"));
}
});
};
/**
* Obtains a new database connection to a slave server.
* Used for replication.
* If replication is not setup then returns master (default) connection's database connection.
*/
AuroraDataApiDriver.prototype.obtainSlaveConnection = function () {
var _this = this;
if (!this.poolCluster)
return this.obtainMasterConnection();
return new Promise(function (ok, fail) {
_this.poolCluster.getConnection("SLAVE*", function (err, dbConnection) {
err ? fail(err) : ok(_this.prepareDbConnection(dbConnection));
});
});
};
/**
* Creates generated map of values generated or returned by database after INSERT query.
*/
AuroraDataApiDriver.prototype.createGeneratedMap = function (metadata, insertResult, entityIndex) {
var generatedMap = metadata.generatedColumns.reduce(function (map, generatedColumn) {
var value;
if (generatedColumn.generationStrategy === "increment" && insertResult.insertId) {
// NOTE: When multiple rows is inserted by a single INSERT statement,
// `insertId` is the value generated for the first inserted row only.
value = insertResult.insertId + entityIndex;
// } else if (generatedColumn.generationStrategy === "uuid") {
// console.log("getting db value:", generatedColumn.databaseName);
// value = generatedColumn.getEntityValue(uuidMap);
}
return OrmUtils_1.OrmUtils.mergeDeep(map, generatedColumn.createValueMap(value));
}, {});
return Object.keys(generatedMap).length > 0 ? generatedMap : undefined;
};
/**
* Differentiate columns of this table and columns from the given column metadatas columns
* and returns only changed.
*/
AuroraDataApiDriver.prototype.findChangedColumns = function (tableColumns, columnMetadatas) {
var _this = this;
return columnMetadatas.filter(function (columnMetadata) {
var tableColumn = tableColumns.find(function (c) { return c.name === columnMetadata.databaseName; });
if (!tableColumn)
return false; // we don't need new columns, we only need exist and changed
// console.log("table:", columnMetadata.entityMetadata.tableName);
// console.log("name:", tableColumn.name, columnMetadata.databaseName);
// console.log("type:", tableColumn.type, this.normalizeType(columnMetadata));
// console.log("length:", tableColumn.length, columnMetadata.length);
// console.log("width:", tableColumn.width, columnMetadata.width);
// console.log("precision:", tableColumn.precision, columnMetadata.precision);
// console.log("scale:", tableColumn.scale, columnMetadata.scale);
// console.log("zerofill:", tableColumn.zerofill, columnMetadata.zerofill);
// console.log("unsigned:", tableColumn.unsigned, columnMetadata.unsigned);
// console.log("asExpression:", tableColumn.asExpression, columnMetadata.asExpression);
// console.log("generatedType:", tableColumn.generatedType, columnMetadata.generatedType);
// console.log("comment:", tableColumn.comment, this.escapeComment(columnMetadata.comment));
// console.log("default:", tableColumn.default, columnMetadata.default);
// console.log("enum:", tableColumn.enum, columnMetadata.enum);
// console.log("default changed:", !this.compareDefaultValues(this.normalizeDefault(columnMetadata), tableColumn.default));
// console.log("onUpdate:", tableColumn.onUpdate, columnMetadata.onUpdate);
// console.log("isPrimary:", tableColumn.isPrimary, columnMetadata.isPrimary);
// console.log("isNullable:", tableColumn.isNullable, columnMetadata.isNullable);
// console.log("isUnique:", tableColumn.isUnique, this.normalizeIsUnique(columnMetadata));
// console.log("isGenerated:", tableColumn.isGenerated, columnMetadata.isGenerated);
// console.log((columnMetadata.generationStrategy !== "uuid" && tableColumn.isGenerated !== columnMetadata.isGenerated));
// console.log("==========================================");
var columnMetadataLength = columnMetadata.length;
if (!columnMetadataLength && columnMetadata.generationStrategy === "uuid") { // fixing #3374
columnMetadataLength = _this.getColumnLength(columnMetadata);
}
return tableColumn.name !== columnMetadata.databaseName
|| tableColumn.type !== _this.normalizeType(columnMetadata)
|| tableColumn.length !== columnMetadataLength
|| tableColumn.width !== columnMetadata.width
|| tableColumn.precision !== columnMetadata.precision
|| tableColumn.scale !== columnMetadata.scale
|| tableColumn.zerofill !== columnMetadata.zerofill
|| tableColumn.unsigned !== columnMetadata.unsigned
|| tableColumn.asExpression !== columnMetadata.asExpression
|| tableColumn.generatedType !== columnMetadata.generatedType
|| tableColumn.comment !== _this.escapeComment(columnMetadata.comment)
|| !_this.compareDefaultValues(_this.normalizeDefault(columnMetadata), tableColumn.default)
|| (tableColumn.enum && columnMetadata.enum && !OrmUtils_1.OrmUtils.isArraysEqual(tableColumn.enum, columnMetadata.enum.map(function (val) { return val + ""; })))
|| tableColumn.onUpdate !== columnMetadata.onUpdate
|| tableColumn.isPrimary !== columnMetadata.isPrimary
|| tableColumn.isNullable !== columnMetadata.isNullable
|| tableColumn.isUnique !== _this.normalizeIsUnique(columnMetadata)
|| (columnMetadata.generationStrategy !== "uuid" && tableColumn.isGenerated !== columnMetadata.isGenerated);
});
};
/**
* Returns true if driver supports RETURNING / OUTPUT statement.
*/
AuroraDataApiDriver.prototype.isReturningSqlSupported = function () {
return false;
};
/**
* Returns true if driver supports uuid values generation on its own.
*/
AuroraDataApiDriver.prototype.isUUIDGenerationSupported = function () {
return false;
};
/**
* Returns true if driver supports fulltext indices.
*/
AuroraDataApiDriver.prototype.isFullTextColumnTypeSupported = function () {
return true;
};
/**
* Creates an escaped parameter.
*/
AuroraDataApiDriver.prototype.createParameter = function (parameterName, index) {
return "?";
};
// -------------------------------------------------------------------------
// Protected Methods
// -------------------------------------------------------------------------
/**
* Loads all driver dependencies.
*/
AuroraDataApiDriver.prototype.loadDependencies = function () {
this.DataApiDriver = PlatformTools_1.PlatformTools.load("typeorm-aurora-data-api-driver");
// Driver uses rollup for publishing, which has issues when using typeorm in combination with webpack
// See https://github.com/webpack/webpack/issues/4742#issuecomment-295556787
this.DataApiDriver = this.DataApiDriver.default || this.DataApiDriver;
};
/**
* Creates a new connection pool for a given database credentials.
*/
AuroraDataApiDriver.prototype.createConnectionOptions = function (options, credentials) {
credentials = Object.assign({}, credentials, DriverUtils_1.DriverUtils.buildDriverOptions(credentials)); // todo: do it better way
// build connection options for the driver
return Object.assign({}, {
resourceArn: options.resourceArn,
secretArn: options.secretArn,
database: options.database,
region: options.region,
type: options.type,
}, {
host: credentials.host,
user: credentials.username,
password: credentials.password,
database: credentials.database,
port: credentials.port,
ssl: options.ssl
}, options.extra || {});
};
/**
* Creates a new connection pool for a given database credentials.
*/
AuroraDataApiDriver.prototype.createPool = function (connectionOptions) {
return tslib_1.__awaiter(this, void 0, void 0, function () {
return tslib_1.__generator(this, function (_a) {
return [2 /*return*/, {}];
});
});
};
/**
* Attaches all required base handlers to a database connection, such as the unhandled error handler.
*/
AuroraDataApiDriver.prototype.prepareDbConnection = function (connection) {
var logger = this.connection.logger;
/*
Attaching an error handler to connection errors is essential, as, otherwise, errors raised will go unhandled and
cause the hosting app to crash.
*/
if (connection.listeners("error").length === 0) {
connection.on("error", function (error) { return logger.log("warn", "MySQL connection raised an error. " + error); });
}
return connection;
};
/**
* Checks if "DEFAULT" values in the column metadata and in the database are equal.
*/
AuroraDataApiDriver.prototype.compareDefaultValues = function (columnMetadataValue, databaseValue) {
if (typeof columnMetadataValue === "string" && typeof databaseValue === "string") {
// we need to cut out "'" because in mysql we can understand returned value is a string or a function
// as result compare cannot understand if default is really changed or not
columnMetadataValue = columnMetadataValue.replace(/^'+|'+$/g, "");
databaseValue = databaseValue.replace(/^'+|'+$/g, "");
}
return columnMetadataValue === databaseValue;
};
/**
* Escapes a given comment.
*/
AuroraDataApiDriver.prototype.escapeComment = function (comment) {
if (!comment)
return comment;
comment = comment.replace(/\u0000/g, ""); // Null bytes aren't allowed in comments
return comment;
};
return AuroraDataApiDriver;
}());
exports.AuroraDataApiDriver = AuroraDataApiDriver;
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