Merge pull request #970 from CartoDB/mapconfig-provirers-refactor

Mapconfig providers refactor
This commit is contained in:
Daniel G. Aubert
2018-06-12 10:23:31 +02:00
committed by GitHub
4 changed files with 406 additions and 554 deletions
@@ -0,0 +1,65 @@
const QueryTables = require('cartodb-query-tables');
module.exports = class BaseMapConfigProvider {
createAffectedTables (callback) {
this.getMapConfig((err, mapConfig) => {
if (err) {
return callback(err);
}
const { dbname } = this.params;
const token = mapConfig.id();
const queries = [];
this.mapConfig.getLayers().forEach(layer => {
queries.push(layer.options.sql);
if (layer.options.affected_tables) {
layer.options.affected_tables.map(table => {
queries.push(`SELECT * FROM ${table} LIMIT 0`);
});
}
});
const sql = queries.length ? queries.join(';') : null;
if (!sql) {
return callback();
}
this.pgConnection.getConnection(this.user, (err, connection) => {
if (err) {
return callback(err);
}
QueryTables.getAffectedTablesFromQuery(connection, sql, (err, affectedTables) => {
if (err) {
return callback(err);
}
this.affectedTablesCache.set(dbname, token, affectedTables);
callback(null, affectedTables);
});
});
});
}
getAffectedTables (callback) {
this.getMapConfig((err, mapConfig) => {
if (err) {
return callback(err);
}
const { dbname } = this.params;
const token = mapConfig.id();
if (this.affectedTablesCache.hasAffectedTables(dbname, token)) {
const affectedTables = this.affectedTablesCache.get(dbname, token);
return callback(null, affectedTables);
}
return this.createAffectedTables(callback);
});
}
};
@@ -1,128 +1,27 @@
var assert = require('assert');
var step = require('step');
const MapStoreMapConfigProvider = require('./map-store-provider');
var MapStoreMapConfigProvider = require('./map-store-provider');
const QueryTables = require('cartodb-query-tables');
/**
* @param {MapConfig} mapConfig
* @param {String} user
* @param {UserLimitsBackend} userLimitsBackend
* @param {Object} params
* @constructor
* @type {CreateLayergroupMapConfigProvider}
*/
function CreateLayergroupMapConfigProvider(
mapConfig,
user,
userLimitsBackend,
pgConnection,
affectedTablesCache,
params
) {
this.mapConfig = mapConfig;
this.user = user;
this.userLimitsBackend = userLimitsBackend;
this.pgConnection = pgConnection;
this.affectedTablesCache = affectedTablesCache;
this.params = params;
this.cacheBuster = params.cache_buster || 0;
}
module.exports = CreateLayergroupMapConfigProvider;
CreateLayergroupMapConfigProvider.prototype.getMapConfig = function(callback) {
var self = this;
if (this.mapConfig && this.params && this.context) {
return callback(null, this.mapConfig, this.params, this.context);
module.exports = class CreateLayergroupMapConfigProvider extends MapStoreMapConfigProvider {
constructor (mapConfig, user, userLimitsBackend, pgConnection, affectedTablesCache, params) {
super(null, user, userLimitsBackend, pgConnection, affectedTablesCache, params);
this.mapConfig = mapConfig;
}
var context = {};
step(
function prepareContextLimits() {
self.userLimitsBackend.getRenderLimits(self.user, self.params.api_key, this);
},
function handleRenderLimits(err, renderLimits) {
assert.ifError(err);
context.limits = renderLimits;
self.context = context;
return null;
},
function finish(err) {
return callback(err, self.mapConfig, self.params, context);
}
);
};
CreateLayergroupMapConfigProvider.prototype.getKey = MapStoreMapConfigProvider.prototype.getKey;
CreateLayergroupMapConfigProvider.prototype.getCacheBuster = MapStoreMapConfigProvider.prototype.getCacheBuster;
CreateLayergroupMapConfigProvider.prototype.filter = MapStoreMapConfigProvider.prototype.filter;
CreateLayergroupMapConfigProvider.prototype.createKey = MapStoreMapConfigProvider.prototype.createKey;
CreateLayergroupMapConfigProvider.prototype.createAffectedTables = function (callback) {
this.getMapConfig((err, mapConfig) => {
if (err) {
return callback(err);
getMapConfig (callback) {
if (this.mapConfig && this.params && this.context) {
return callback(null, this.mapConfig, this.params, this.context);
}
const { dbname } = this.params;
const token = mapConfig.id();
const context = {};
const queries = [];
this.mapConfig.getLayers().forEach(layer => {
queries.push(layer.options.sql);
if (layer.options.affected_tables) {
layer.options.affected_tables.map(table => {
queries.push(`SELECT * FROM ${table} LIMIT 0`);
});
}
});
const sql = queries.length ? queries.join(';') : null;
if (!sql) {
return callback();
}
this.pgConnection.getConnection(this.user, (err, connection) => {
this.userLimitsBackend.getRenderLimits(this.user, this.params.api_key, (err, renderLimits) => {
if (err) {
return callback(err);
}
QueryTables.getAffectedTablesFromQuery(connection, sql, (err, affectedTables) => {
if (err) {
return callback(err);
}
context.limits = renderLimits;
this.context = context;
this.affectedTablesCache.set(dbname, token, affectedTables);
callback(null, affectedTables);
});
return callback(null, this.mapConfig, this.params, context);
});
});
};
CreateLayergroupMapConfigProvider.prototype.getAffectedTables = function (callback) {
this.getMapConfig((err, mapConfig) => {
if (err) {
return callback(err);
}
const { dbname } = this.params;
const token = mapConfig.id();
if (this.affectedTablesCache.hasAffectedTables(dbname, token)) {
const affectedTables = this.affectedTablesCache.get(dbname, token);
return callback(null, affectedTables);
}
return this.createAffectedTables(callback);
});
}
};
@@ -1,152 +1,86 @@
var _ = require('underscore');
var assert = require('assert');
var dot = require('dot');
var step = require('step');
const QueryTables = require('cartodb-query-tables');
/**
* @param {MapStore} mapStore
* @param {String} user
* @param {UserLimitsBackend} userLimitsBackend
* @param {Object} params
* @constructor
* @type {MapStoreMapConfigProvider}
*/
function MapStoreMapConfigProvider(mapStore, user, userLimitsBackend, pgConnection, affectedTablesCache, params) {
this.mapStore = mapStore;
this.user = user;
this.userLimitsBackend = userLimitsBackend;
this.pgConnection = pgConnection;
this.affectedTablesCache = affectedTablesCache;
this.token = params.token;
this.cacheBuster = params.cache_buster || 0;
this.mapConfig = null;
this.params = params;
this.context = null;
}
module.exports = MapStoreMapConfigProvider;
MapStoreMapConfigProvider.prototype.getMapConfig = function(callback) {
var self = this;
if (this.mapConfig !== null) {
return callback(null, this.mapConfig, this.params, this.context);
}
var context = {};
step(
function prepareContextLimits() {
self.userLimitsBackend.getRenderLimits(self.user, self.params.api_key, this);
},
function handleRenderLimits(err, renderLimits) {
assert.ifError(err);
context.limits = renderLimits;
return null;
},
function loadMapConfig(err) {
assert.ifError(err);
self.mapStore.load(self.token, this);
},
function finish(err, mapConfig) {
self.mapConfig = mapConfig;
self.context = context;
return callback(err, mapConfig, self.params, context);
}
);
};
MapStoreMapConfigProvider.prototype.getKey = function() {
return this.createKey(false);
};
MapStoreMapConfigProvider.prototype.getCacheBuster = function() {
return this.cacheBuster;
};
MapStoreMapConfigProvider.prototype.filter = function(key) {
var regex = new RegExp('^' + this.createKey(true) + '.*');
return key && key.match(regex);
};
const BaseMapConfigProvider = require('./base-mapconfig-adapter');
const dot = require('dot');
// Configure bases for cache keys suitable for string interpolation
var baseKey = '{{=it.dbname}}:{{=it.token}}';
var rendererKey = baseKey + ':{{=it.dbuser}}:{{=it.format}}:{{=it.layer}}:{{=it.scale_factor}}';
const baseKey = '{{=it.dbname}}:{{=it.token}}';
const rendererKey = baseKey + ':{{=it.dbuser}}:{{=it.format}}:{{=it.layer}}:{{=it.scale_factor}}';
var baseKeyTpl = dot.template(baseKey);
var rendererKeyTpl = dot.template(rendererKey);
const baseKeyTpl = dot.template(baseKey);
const rendererKeyTpl = dot.template(rendererKey);
MapStoreMapConfigProvider.prototype.createKey = function(base) {
var tplValues = _.defaults({}, this.params, {
dbname: '',
token: '',
dbuser: '',
format: '',
layer: '',
scale_factor: 1
});
return (base) ? baseKeyTpl(tplValues) : rendererKeyTpl(tplValues);
};
module.exports = class MapStoreMapConfigProvider extends BaseMapConfigProvider {
/**
* @param {MapStore} mapStore
* @param {String} user
* @param {UserLimitsBackend} userLimitsBackend
* @param {Object} params
* @constructor
* @type {MapStoreMapConfigProvider}
*/
constructor (mapStore, user, userLimitsBackend, pgConnection, affectedTablesCache, params) {
super();
this.mapStore = mapStore;
this.user = user;
this.userLimitsBackend = userLimitsBackend;
this.pgConnection = pgConnection;
this.affectedTablesCache = affectedTablesCache;
this.params = params;
this.token = params.token;
this.cacheBuster = params.cache_buster || 0;
this.mapConfig = null;
this.context = null;
}
MapStoreMapConfigProvider.prototype.createAffectedTables = function(callback) {
this.getMapConfig((err, mapConfig) => {
if (err) {
return callback(err);
getMapConfig (callback) {
if (this.mapConfig !== null) {
return callback(null, this.mapConfig, this.params, this.context);
}
const { dbname } = this.params;
const token = mapConfig.id();
const context = {};
const queries = [];
mapConfig.getLayers().forEach(layer => {
queries.push(layer.options.sql);
if (layer.options.affected_tables) {
layer.options.affected_tables.map(table => {
queries.push(`SELECT * FROM ${table} LIMIT 0`);
});
}
});
const sql = queries.length ? queries.join(';') : null;
if (!sql) {
return callback();
}
this.pgConnection.getConnection(this.user, (err, connection) => {
this.userLimitsBackend.getRenderLimits(this.user, this.params.api_key, (err, renderLimits) => {
if (err) {
return callback(err);
}
QueryTables.getAffectedTablesFromQuery(connection, sql, (err, affectedTables) => {
context.limits = renderLimits;
this.mapStore.load(this.token, (err, mapConfig) => {
if (err) {
return callback(err);
}
this.affectedTablesCache.set(dbname, token, affectedTables);
this.mapConfig = mapConfig;
this.context = context;
callback(err, affectedTables);
return callback(null, mapConfig, this.params, context);
});
});
});
};
}
MapStoreMapConfigProvider.prototype.getAffectedTables = function (callback) {
this.getMapConfig((err, mapConfig) => {
if (err) {
return callback(err);
}
getKey () {
return this.createKey(false);
}
const { dbname } = this.params;
const token = mapConfig.id();
getCacheBuster () {
return this.cacheBuster;
}
if (this.affectedTablesCache.hasAffectedTables(dbname, token)) {
const affectedTables = this.affectedTablesCache.get(dbname, token);
return callback(null, affectedTables);
}
filter (key) {
const regex = new RegExp('^' + this.createKey(true) + '.*');
return key && key.match(regex);
}
return this.createAffectedTables(callback);
});
createKey (base) {
const tplValues = Object.assign({
dbname: '',
token: '',
dbuser: '',
format: '',
layer: '',
scale_factor: 1
}, this.params);
return (base) ? baseKeyTpl(tplValues) : rendererKeyTpl(tplValues);
}
};
@@ -1,325 +1,279 @@
var _ = require('underscore');
var assert = require('assert');
var crypto = require('crypto');
var dot = require('dot');
var step = require('step');
var MapConfig = require('windshaft').model.MapConfig;
var templateName = require('../../../backends/template_maps').templateName;
var QueryTables = require('cartodb-query-tables');
/**
* @constructor
* @type {NamedMapMapConfigProvider}
*/
function NamedMapMapConfigProvider(
templateMaps,
pgConnection,
metadataBackend,
userLimitsBackend,
mapConfigAdapter,
affectedTablesCache,
owner,
templateId,
config,
authToken,
params
) {
this.templateMaps = templateMaps;
this.pgConnection = pgConnection;
this.metadataBackend = metadataBackend;
this.userLimitsBackend = userLimitsBackend;
this.mapConfigAdapter = mapConfigAdapter;
this.owner = owner;
this.templateName = templateName(templateId);
this.config = config;
this.authToken = authToken;
this.params = params;
this.cacheBuster = Date.now();
// use template after call to mapConfig
this.template = null;
this.affectedTablesCache = affectedTablesCache;
// providing
this.err = null;
this.mapConfig = null;
this.rendererParams = null;
this.context = {};
this.analysesResults = [];
}
module.exports = NamedMapMapConfigProvider;
NamedMapMapConfigProvider.prototype.getMapConfig = function(callback) {
if (!!this.err || this.mapConfig !== null) {
return callback(this.err, this.mapConfig, this.rendererParams, this.context);
}
var self = this;
var mapConfig = null;
var rendererParams;
var apiKey;
var context = {};
step(
function getTemplate() {
self.getTemplate(this);
},
function prepareDbParams(err, tpl) {
assert.ifError(err);
self.template = tpl;
rendererParams = _.extend({}, self.params, {
user: self.owner
});
self.setDBParams(self.owner, rendererParams, this);
},
function getUserApiKey(err) {
assert.ifError(err);
self.metadataBackend.getUserMapKey(self.owner, this);
},
function prepareParams(err, _apiKey) {
assert.ifError(err);
apiKey = _apiKey;
var templateParams = {};
if (self.config) {
try {
templateParams = _.isString(self.config) ? JSON.parse(self.config) : self.config;
} catch (e) {
throw new Error('malformed config parameter, should be a valid JSON');
}
}
return templateParams;
},
function instantiateTemplate(err, templateParams) {
assert.ifError(err);
context.templateParams = templateParams;
return self.templateMaps.instance(self.template, templateParams);
},
function prepareAdapterMapConfig(err, requestMapConfig) {
assert.ifError(err);
context.analysisConfiguration = {
user: self.owner,
db: {
host: rendererParams.dbhost,
port: rendererParams.dbport,
dbname: rendererParams.dbname,
user: rendererParams.dbuser,
pass: rendererParams.dbpassword
},
batch: {
username: self.owner,
apiKey: apiKey
}
};
self.mapConfigAdapter.getMapConfig(self.owner, requestMapConfig, rendererParams, context, this);
},
function prepareContextLimits(err, _mapConfig) {
assert.ifError(err);
mapConfig = _mapConfig;
self.userLimitsBackend.getRenderLimits(self.owner, self.params.api_key, this);
},
function cacheAndReturnMapConfig(err, renderLimits) {
self.err = err;
self.mapConfig = (mapConfig === null) ? null : new MapConfig(mapConfig, context.datasource);
self.analysesResults = context.analysesResults || [];
self.rendererParams = rendererParams;
self.context = context;
self.context.limits = renderLimits || {};
return callback(self.err, self.mapConfig, self.rendererParams, self.context);
}
);
};
NamedMapMapConfigProvider.prototype.getTemplate = function(callback) {
var self = this;
if (!!this.err || this.template !== null) {
return callback(this.err, this.template);
}
step(
function getTemplate() {
self.templateMaps.getTemplate(self.owner, self.templateName, this);
},
function checkExists(err, tpl) {
assert.ifError(err);
if (!tpl) {
var notFoundErr = new Error(
"Template '" + self.templateName + "' of user '" + self.owner + "' not found"
);
notFoundErr.http_status = 404;
throw notFoundErr;
}
return tpl;
},
function checkAuthorized(err, tpl) {
assert.ifError(err);
var authorized = false;
try {
authorized = self.templateMaps.isAuthorized(tpl, self.authToken);
} catch (err) {
// we catch to add http_status
var authorizationFailedErr = new Error('Failed to authorize template');
authorizationFailedErr.http_status = 403;
throw authorizationFailedErr;
}
if ( ! authorized ) {
var unauthorizedErr = new Error('Unauthorized template instantiation');
unauthorizedErr.http_status = 403;
throw unauthorizedErr;
}
return tpl;
},
function cacheAndReturnTemplate(err, template) {
self.err = err;
self.template = template;
return callback(self.err, self.template);
}
);
};
NamedMapMapConfigProvider.prototype.getKey = function() {
return this.createKey(false);
};
NamedMapMapConfigProvider.prototype.getCacheBuster = function() {
return this.cacheBuster;
};
NamedMapMapConfigProvider.prototype.reset = function() {
this.template = null;
this.affectedTables = null;
this.err = null;
this.mapConfig = null;
this.cacheBuster = Date.now();
};
NamedMapMapConfigProvider.prototype.filter = function(key) {
var regex = new RegExp('^' + this.createKey(true) + '.*');
return key && key.match(regex);
};
const BaseMapConfigProvider = require('./base-mapconfig-adapter');
const crypto = require('crypto');
const dot = require('dot');
const MapConfig = require('windshaft').model.MapConfig;
const templateName = require('../../../backends/template_maps').templateName;
// Configure bases for cache keys suitable for string interpolation
var baseKey = '{{=it.dbname}}:{{=it.owner}}:{{=it.templateName}}';
var rendererKey = baseKey + ':{{=it.authToken}}:{{=it.configHash}}:{{=it.format}}:{{=it.layer}}:{{=it.scale_factor}}';
const baseKey = '{{=it.dbname}}:{{=it.user}}:{{=it.templateName}}';
const rendererKey = baseKey + ':{{=it.authToken}}:{{=it.configHash}}:{{=it.format}}:{{=it.layer}}:{{=it.scale_factor}}';
var baseKeyTpl = dot.template(baseKey);
var rendererKeyTpl = dot.template(rendererKey);
const baseKeyTpl = dot.template(baseKey);
const rendererKeyTpl = dot.template(rendererKey);
NamedMapMapConfigProvider.prototype.createKey = function(base) {
var tplValues = _.defaults({}, this.params, {
dbname: '',
owner: this.owner,
templateName: this.templateName,
authToken: this.authToken || '',
configHash: configHash(this.config),
layer: '',
scale_factor: 1
});
return (base) ? baseKeyTpl(tplValues) : rendererKeyTpl(tplValues);
module.exports = class NamedMapMapConfigProvider extends BaseMapConfigProvider {
constructor (
templateMaps,
pgConnection,
metadataBackend,
userLimitsBackend,
mapConfigAdapter,
affectedTablesCache,
user,
templateId,
config,
authToken,
params
) {
super();
this.templateMaps = templateMaps;
this.pgConnection = pgConnection;
this.metadataBackend = metadataBackend;
this.userLimitsBackend = userLimitsBackend;
this.mapConfigAdapter = mapConfigAdapter;
this.user = user;
this.templateName = templateName(templateId);
this.config = config;
this.authToken = authToken;
this.params = params;
this.cacheBuster = Date.now();
// use template after call to mapConfig
this.template = null;
this.affectedTablesCache = affectedTablesCache;
// providing
this.err = null;
this.mapConfig = null;
this.rendererParams = null;
this.context = {};
this.analysesResults = [];
}
getMapConfig (callback) {
if (!!this.err || this.mapConfig !== null) {
return callback(this.err, this.mapConfig, this.rendererParams, this.context);
}
this.getContext((err, context) => {
if (err) {
this.err = err;
return callback(err);
}
let templateParams = {};
if (this.config) {
try {
templateParams = Object.prototype.toString.call(this.config) === '[object String]' ?
JSON.parse(this.config) :
this.config;
} catch (e) {
const error = new Error('malformed config parameter, should be a valid JSON');
this.err = error;
return callback(err);
}
}
context.templateParams = templateParams;
this.getTemplate((err, template) => {
if (err) {
this.err = err;
return callback(err);
}
let requestMapConfig;
try {
requestMapConfig = this.templateMaps.instance(template, templateParams);
} catch (err) {
this.err = err;
return callback(err);
}
const { user, rendererParams } = this;
this.mapConfigAdapter.getMapConfig(
user, requestMapConfig, rendererParams, context, (err, mapConfig) => {
if (err) {
this.err = err;
return callback(err);
}
this.mapConfig = (mapConfig === null) ? null : new MapConfig(mapConfig, context.datasource);
this.analysesResults = context.analysesResults || [];
return callback(null, this.mapConfig, this.rendererParams, this.context);
});
});
});
}
getContext (callback) {
this.getDBParams(this.user, (err, rendererParams) => {
if (err) {
return callback(err);
}
this.rendererParams = rendererParams;
this.metadataBackend.getUserMapKey(this.user, (err, apiKey) => {
if (err) {
return callback(err);
}
const context = {};
context.analysisConfiguration = {
user: this.user,
db: {
host: rendererParams.dbhost,
port: rendererParams.dbport,
dbname: rendererParams.dbname,
user: rendererParams.dbuser,
pass: rendererParams.dbpassword
},
batch: {
username: this.user,
apiKey: apiKey
}
};
this.userLimitsBackend.getRenderLimits(this.user, this.params.api_key, (err, renderLimits) => {
if (err) {
this.err = err;
return callback(err);
}
context.limits = renderLimits || {};
this.context = context;
return callback(null, context);
});
});
});
}
getTemplate (callback) {
if (!!this.err || this.template !== null) {
return callback(this.err, this.template);
}
this.templateMaps.getTemplate(this.user, this.templateName, (err, tpl) => {
if (err) {
this.err = err;
return callback(err);
}
if (!tpl) {
const error = new Error(`Template '${this.templateName}' of user '${this.user}' not found`);
error.http_status = 404;
this.err = error;
return callback(error);
}
let authorized = false;
try {
authorized = this.templateMaps.isAuthorized(tpl, this.authToken);
} catch (err) {
const error = new Error('Failed to authorize template');
error.http_status = 403;
this.err = error;
return callback(error);
}
if (!authorized) {
const error = new Error('Unauthorized template instantiation');
error.http_status = 403;
this.err = error;
return callback(error);
}
this.template = tpl;
return callback(null, this.template);
});
}
getKey () {
return this.createKey(false);
}
getCacheBuster () {
return this.cacheBuster;
}
reset () {
this.template = null;
this.affectedTables = null;
this.err = null;
this.mapConfig = null;
this.cacheBuster = Date.now();
}
filter (key) {
const regex = new RegExp('^' + this.createKey(true) + '.*');
return key && key.match(regex);
}
createKey (base) {
const tplValues = Object.assign({
dbname: '',
user: this.user,
templateName: this.templateName,
authToken: this.authToken || '',
configHash: configHash(this.config),
layer: '',
scale_factor: 1
}, this.params);
return (base) ? baseKeyTpl(tplValues) : rendererKeyTpl(tplValues);
}
getDBParams (cdbuser, callback) {
const dbParams = Object.assign({ user: this.user }, this.params);
this.pgConnection.getDatabaseParams(cdbuser, (err, databaseParams) => {
if (err) {
return callback(err);
}
dbParams.dbuser = databaseParams.dbuser;
dbParams.dbpass = databaseParams.dbpass;
dbParams.dbhost = databaseParams.dbhost;
dbParams.dbport = databaseParams.dbport;
dbParams.dbname = databaseParams.dbname;
return callback(null, dbParams);
});
}
getTemplateName () {
return this.templateName;
}
};
function configHash(config) {
if (!config) {
return '';
}
return crypto.createHash('md5').update(JSON.stringify(config)).digest('hex').substring(0,8);
}
module.exports.configHash = configHash;
NamedMapMapConfigProvider.prototype.setDBParams = function(cdbuser, params, callback) {
this.pgConnection.getDatabaseParams(cdbuser, (err, databaseParams) => {
if (err) {
return callback(err);
}
params.dbuser = databaseParams.dbuser;
params.dbpass = databaseParams.dbpass;
params.dbhost = databaseParams.dbhost;
params.dbport = databaseParams.dbport;
params.dbname = databaseParams.dbname;
callback();
});
};
NamedMapMapConfigProvider.prototype.getTemplateName = function() {
return this.templateName;
};
NamedMapMapConfigProvider.prototype.createAffectedTables = function(callback) {
this.getMapConfig((err, mapConfig) => {
if (err) {
return callback(err);
}
const { dbname } = this.rendererParams;
const token = mapConfig.id();
const queries = [];
mapConfig.getLayers().forEach(layer => {
queries.push(layer.options.sql);
if (layer.options.affected_tables) {
layer.options.affected_tables.map(table => {
queries.push(`SELECT * FROM ${table} LIMIT 0`);
});
}
});
const sql = queries.length ? queries.join(';') : null;
if (!sql) {
return callback();
}
this.pgConnection.getConnection(this.owner, (err, connection) => {
if (err) {
return callback(err);
}
QueryTables.getAffectedTablesFromQuery(connection, sql, (err, affectedTables) => {
if (err) {
return callback(err);
}
this.affectedTablesCache.set(dbname, token, affectedTables);
callback(err, affectedTables);
});
});
});
};
NamedMapMapConfigProvider.prototype.getAffectedTables = function (callback) {
this.getMapConfig((err, mapConfig) => {
if (err) {
return callback(err);
}
const { dbname } = this.params;
const token = mapConfig.id();
if (this.affectedTablesCache.hasAffectedTables(dbname, token)) {
const affectedTables = this.affectedTablesCache.get(dbname, token);
return callback(null, affectedTables);
}
return this.createAffectedTables(callback);
});
};