76 lines
3.1 KiB
JavaScript
76 lines
3.1 KiB
JavaScript
/*
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* This file is a part of "NMIG" - the database migration tool.
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*
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* Copyright 2016 Anatoly Khaytovich <anatolyuss@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (please see the "LICENSE.md" file).
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* If not, see <http://www.gnu.org/licenses/gpl.txt>.
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*
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* @author Anatoly Khaytovich <anatolyuss@gmail.com>
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*/
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'use strict';
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const connect = require('./Connector');
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const log = require('./Logger');
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const generateError = require('./ErrorGenerator');
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/**
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* Runs "vacuum full" and "analyze".
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*
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* @param {Conversion} self
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*
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* @returns {Promise}
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*/
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module.exports = function(self) {
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return connect(self).then(() => {
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return new Promise(resolve => {
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const vacuumPromises = [];
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for (let i = 0; i < self._tablesToMigrate.length; ++i) {
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if (self._noVacuum.indexOf(self._tablesToMigrate[i]) === -1) {
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const msg = '\t--[runVacuumFullAndAnalyze] Running "VACUUM FULL and ANALYZE" query for table "'
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+ self._schema + '"."' + self._tablesToMigrate[i] + '"...';
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log(self, msg);
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vacuumPromises.push(
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new Promise(resolveVacuum => {
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self._pg.connect((error, client, done) => {
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if (error) {
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generateError(self, '\t--[runVacuumFullAndAnalyze] Cannot connect to PostgreSQL server...');
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resolveVacuum();
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} else {
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const sql = 'VACUUM (FULL, ANALYZE) "' + self._schema + '"."' + self._tablesToMigrate[i] + '";';
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client.query(sql, err => {
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done();
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if (err) {
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generateError(self, '\t--[runVacuumFullAndAnalyze] ' + err, sql);
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resolveVacuum();
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} else {
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const msg2 = '\t--[runVacuumFullAndAnalyze] Table "' + self._schema + '"."' + self._tablesToMigrate[i] + '" is VACUUMed...';
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log(self, msg2);
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resolveVacuum();
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}
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});
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}
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});
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})
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);
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}
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}
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Promise.all(vacuumPromises).then(() => resolve());
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});
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});
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};
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