87 lines
2.2 KiB
JavaScript
87 lines
2.2 KiB
JavaScript
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// CockroachDB Client
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// -------
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const Client_PostgreSQL = require('../postgres');
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const Transaction = require('../postgres/execution/pg-transaction');
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const QueryCompiler = require('./crdb-querycompiler');
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const ColumnCompiler = require('./crdb-columncompiler');
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const TableCompiler = require('./crdb-tablecompiler');
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const ViewCompiler = require('./crdb-viewcompiler');
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const QueryBuilder = require('./crdb-querybuilder');
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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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class Client_CockroachDB extends Client_PostgreSQL {
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transaction() {
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return new Transaction(this, ...arguments);
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}
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queryCompiler(builder, formatter) {
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return new QueryCompiler(this, builder, formatter);
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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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viewCompiler() {
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return new ViewCompiler(this, ...arguments);
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}
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queryBuilder() {
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return new QueryBuilder(this);
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}
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_parseVersion(versionString) {
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return versionString.split(' ')[2];
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}
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async cancelQuery(connectionToKill) {
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try {
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return await this._wrappedCancelQueryCall(null, connectionToKill);
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} catch (err) {
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this.logger.warn(`Connection Error: ${err}`);
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throw err;
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}
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}
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_wrappedCancelQueryCall(emptyConnection, connectionToKill) {
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// FixMe https://github.com/cockroachdb/cockroach/issues/41335
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if (
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connectionToKill.activeQuery.processID === 0 &&
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connectionToKill.activeQuery.secretKey === 0
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) {
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return;
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}
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return connectionToKill.cancel(
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connectionToKill,
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connectionToKill.activeQuery
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);
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}
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toArrayPathFromJsonPath(jsonPath, builder, bindingsHolder) {
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return jsonPath
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.replace(/^(\$\.)/, '') // remove the first dollar
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.replace(/\[([0-9]+)]/, '.$1')
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.split('.')
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.map(
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function (v) {
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return this.parameter(v, builder, bindingsHolder);
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}.bind(this)
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)
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.join(', ');
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}
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}
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Object.assign(Client_CockroachDB.prototype, {
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// The "dialect", for reference elsewhere.
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driverName: 'cockroachdb',
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});
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module.exports = Client_CockroachDB;
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