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if(0===sql.trim().length){
yargs.showHelp();
process.exit(1);
}
for(var i=1;i
const TfFeature = new Terraformer.Primitive(feature)
return filter.intersects(TfFeature)
}
sql.fn.ST_EnvelopeIntersects = function (feature = {}, filterGeom = {}) {
if (!feature) return false
if (!(feature.type || feature.coordinates)) feature = convertFromEsri(feature) // TODO: remove ? temporary esri geometry conversion
if (!(feature.type && feature.coordinates && feature.coordinates.length > 0)) return false
if (feature.type === 'Point') return sql.fn.ST_Contains(feature, filterGeom)
const filter = new Terraformer.Primitive(filterGeom)
const envelope = transformArray(new Terraformer.Primitive(feature).bbox())
const TfFeature = new Terraformer.Polygon(envelope)
return filter.intersects(TfFeature)
}
sql.fn.geohash = function (geometry = {}, precision) {
if (!geometry || !geometry.type || !geometry.coordinates) return
precision = precision || 8
if (geometry.type !== 'Point') geometry = centroid(geometry).geometry
const pnt = geometry.coordinates
return geohash.encode(pnt[1], pnt[0], precision)
}
sql.fn.pick = function (properties, fields) {
const parsedFields = fields.split(',')
return _.pick(properties, parsedFields)
}
/**
* Select a subset of properties and modify propterties to fit ESRI specs
* @param {object} properties GeoJSON properties
* @param {object} geometry GeoJSON geometry
module.exports = (http) => {
const io = require ('socket.io')(http);
const ConspectioNode = require('./conspectioNode.js');
const alasql = require('alasql');
// custom function that returns array length
alasql.fn.arrlen = function(arr) { return arr.length; };
//create nodeTracker table instead of nodeTracker[] due to compatiability with alasql CRUD operations
alasql('CREATE TABLE nodeTracker');
//max number of leechers per broadcast relayer
const maxRelayers = 1;
const maxBroadcasters = 3;
io.on('connection', (socket) => {
console.log('socket connected', socket.id);
// NOTE: handle more than 1 broadcaster per eventId
//listens for event tag from broadcaster
socket.on('addBroadcaster', (eventId) => {
// add a new broadcaster asssociated with that event id into nodeTracker table
const sqlColumns = this._sqlHelper.generateSqlColumns( columnRow.cells, sqlTypes );
const createCommand = this._sqlHelper.generateCreateWithTypes( table.internalName, sqlColumns );
try {
// console.log( 'TABLE CREATION COMMAND: ', createCommand );
dbConnection.exec( createCommand ); // Creates the table if it does not exist
} catch ( e ) {
const msg = `Error creating the table "${table.name}": ${e.message}`;
throw new RuntimeException( msg, table.location );
}
// Prepares a parameterized insert
const insertCommand = this._sqlHelper.generateParameterizedInsert(
table.internalName, columnRow.cells );
// @ts-ignore
let insert = alasql.compile( insertCommand );
if ( ! isDefined( insert ) ) {
const msg = `Error compiling the insert command at the table "${table.name}".`;
throw new RuntimeException( msg, table.location );
}
// Inserts the values
for ( let i = 1; i < rowCount; ++i ) { // starts at the second row
const row = table.rows[ i ];
try {
// console.log( 'row', row );
let params = this.normalizeValues( row.cells, valTypes );
// console.log( 'params', params );
insert( params );
} catch ( e ) {
const msg = `Error inserting values in the table "${table.name}": ${e.message}`;
const sqlColumns = this._sqlHelper.generateSqlColumns( row.cells, sqlTypes );
//console.log( sqlColumns );
const createCommand = this._sqlHelper.generateCreateWithTypes( table.name, sqlColumns );
try {
// Create the table if it does not exist
db.exec( createCommand );
// Prepare a parameterized insert
const insertCommand = this._sqlHelper.generateParameterizedInsert(
table.name, row.cells );
//console.log( insertCommand );
// @ts-ignore
insert = alasql.compile( insertCommand );
} catch ( e ) {
return reject( e );
}
} else {
// Create the table if it does not exist
const createCommand = this._sqlHelper.generateCreate( table.name, row.cells );
//console.log( createCommand );
try {
db.exec( createCommand );
} catch ( e ) {
return reject( e );
}
}
} else {
const valTypes = this.detectTableColumnTypes(table);
const sqlTypes = valTypes.map(v => this._sqlHelper.convertToSQLType(v));
const sqlColumns = this._sqlHelper.generateSqlColumns(columnRow.cells, sqlTypes);
const createCommand = this._sqlHelper.generateCreateWithTypes(table.internalName, sqlColumns);
try {
// console.log( 'TABLE CREATION COMMAND: ', createCommand );
dbConnection.exec(createCommand); // Creates the table if it does not exist
}
catch (e) {
const msg = `Error creating the table "${table.name}": ${e.message}`;
throw new error_1.RuntimeException(msg, table.location);
}
// Prepares a parameterized insert
const insertCommand = this._sqlHelper.generateParameterizedInsert(table.internalName, columnRow.cells);
// @ts-ignore
let insert = alasql.compile(insertCommand);
if (!util_1.isDefined(insert)) {
const msg = `Error compiling the insert command at the table "${table.name}".`;
throw new error_1.RuntimeException(msg, table.location);
}
// Inserts the values
for (let i = 1; i < rowCount; ++i) { // starts at the second row
const row = table.rows[i];
try {
// console.log( 'row', row );
let params = this.normalizeValues(row.cells, valTypes);
// console.log( 'params', params );
insert(params);
}
catch (e) {
const msg = `Error inserting values in the table "${table.name}": ${e.message}`;
throw new error_1.RuntimeException(msg, table.location);
// Async select
var db = require('alasql');
db("CREATE TABLE test (language INT, hello STRING)");
db("INSERT INTO test VALUES (1,'Hello!')");
db("INSERT INTO test VALUES (2,'Aloha!')");
db("INSERT INTO test VALUES (3,'Bonjour!')");
db .promise("SELECT * FROM test WHERE language > 1")
.then(function(res){
console.log(res);
});
//
// AlaSQL node.js sample
//
var alasql = require('alasql');
var db = new alasql.Database();
db.exec("CREATE TABLE test (one INT, two INT)");
db.tables.test.data = [ // You can mix SQL and JavaScript
{one:3,two:4},
{one:5,two:6},
];
var res = db.exec("SELECT * FROM test ORDER BY two DESC");
console.log(res);
#!/usr/bin/env node
//
// Alacon - Command line interface for Alasql
// Version: 0.1
// Date: 07.04.2015
// (c) 2014-2015, Andrey Gershun
//
var alasql = require('alasql');
var fs = require('fs');
if(process.argv.length <= 2) {
console.log('alacon - Alasql command-line utility (version '+alasql.version+') ');
console.log();
console.log('Usage:');
console.log(' node alacon "sql-statement" [ param0 ]... - run SQL statement');
console.log(' node alacon -f file.sql [ param0 ]... - run SQL from file');
console.log();
console.log('Samples:');
console.log(' node alacon \'select 2+2\'');
console.log(' node alacon \'select count(*) from txt()\' 2) {
var sql = process.argv[2];
var parami = 3;
if(sql == '-f') {
console.log(sql);
sql = fs.readFile(sql).toString();
addSkipper() {
const { name, displacement, country } = this.refs;
if (!name.value) return;
// console.log(dicplacement.value); // Kontrol amaçlı. Browser'dan F12 ile değerlere bakılabilir
alasql('INSERT INTO Submarine VALUES ?',
[{
id: alasql.autoval('Submarine', 'id', true),
name: name.value,
displacement: displacement.value,
country: country.value
}]
);
this.getAll();
}