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83 lines
2.0 KiB
TypeScript
83 lines
2.0 KiB
TypeScript
// Loaded from https://raw.githubusercontent.com/denjucks/dex/master/lib/dialects/oracle/index.js
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// Oracle Client
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// -------
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import inherits from '../../deps/inherits@2.0.4/inherits.js';
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import Client from '../../client.js';
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import SchemaCompiler from './schema/compiler.js';
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import ColumnBuilder from './schema/columnbuilder.js';
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import ColumnCompiler from './schema/columncompiler.js';
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import TableCompiler from './schema/tablecompiler.js';
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import { isConnectionError } from './utils.js';
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// Always initialize with the "QueryBuilder" and "QueryCompiler"
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// objects, which extend the base 'lib/query/builder' and
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// 'lib/query/compiler', respectively.
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function Client_Oracle(config) {
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Client.call(this, config);
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}
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inherits(Client_Oracle, Client);
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Object.assign(Client_Oracle.prototype, {
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dialect: 'oracle',
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driverName: 'oracle',
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schemaCompiler() {
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return new SchemaCompiler(this, ...arguments);
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},
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columnBuilder() {
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return new ColumnBuilder(this, ...arguments);
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},
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columnCompiler() {
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return new ColumnCompiler(this, ...arguments);
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},
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tableCompiler() {
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return new TableCompiler(this, ...arguments);
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},
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// Return the database for the Oracle client.
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database() {
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return this.connectionSettings.database;
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},
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// Position the bindings for the query.
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positionBindings(sql) {
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let questionCount = 0;
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return sql.replace(/\?/g, function () {
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questionCount += 1;
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return `:${questionCount}`;
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});
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},
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_stream(connection, obj, stream, options) {
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return new Promise(function (resolver, rejecter) {
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stream.on('error', (err) => {
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if (isConnectionError(err)) {
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connection.__knex__disposed = err;
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}
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rejecter(err);
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});
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stream.on('end', resolver);
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const queryStream = connection.queryStream(
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obj.sql,
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obj.bindings,
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options
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);
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queryStream.pipe(stream);
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queryStream.on('error', function (error) {
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rejecter(error);
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stream.emit('error', error);
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});
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});
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},
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});
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export default Client_Oracle;
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