20 lines
480 B
JavaScript
20 lines
480 B
JavaScript
const Transaction = require('../../../execution/transaction');
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class Transaction_PG extends Transaction {
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begin(conn) {
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const trxMode = [
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this.isolationLevel ? `ISOLATION LEVEL ${this.isolationLevel}` : '',
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this.readOnly ? 'READ ONLY' : '',
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]
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.join(' ')
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.trim();
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if (trxMode.length === 0) {
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return this.query(conn, 'BEGIN;');
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}
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return this.query(conn, `BEGIN TRANSACTION ${trxMode};`);
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}
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}
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module.exports = Transaction_PG;
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