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Added typings for sqlite3
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92
sqlite3/sqlite3-tests.ts
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92
sqlite3/sqlite3-tests.ts
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/// <reference path="sqlite3.d.ts" />
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import sqlite3 = require('sqlite3');
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sqlite3.verbose();
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var db: sqlite3.Database;
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function createDb() {
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console.log("createDb chain");
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db = new sqlite3.Database('chain.sqlite3', createTable);
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}
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function createTable() {
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console.log("createTable lorem");
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db.run("CREATE TABLE IF NOT EXISTS lorem (info TEXT)", insertRows);
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}
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function insertRows() {
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console.log("insertRows Ipsum i");
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var stmt = db.prepare("INSERT INTO lorem VALUES (?)");
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for (var i = 0; i < 10; i++) {
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stmt.run("Ipsum " + i);
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}
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stmt.finalize(readAllRows);
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}
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function readAllRows() {
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console.log("readAllRows lorem");
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db.all("SELECT rowid AS id, info FROM lorem", function(err, rows) {
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rows.forEach(function (row) {
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console.log(row.id + ": " + row.info);
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});
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closeDb();
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});
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}
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function closeDb() {
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console.log("closeDb");
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db.close();
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}
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function runChainExample() {
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createDb();
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}
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runChainExample();
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db.serialize(function() {
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db.run("CREATE TABLE lorem (info TEXT)");
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var stmt = db.prepare("INSERT INTO lorem VALUES (?)");
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for (var i = 0; i < 10; i++) {
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stmt.run("Ipsum " + i);
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}
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stmt.finalize();
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db.each("SELECT rowid AS id, info FROM lorem", function(err, row) {
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console.log(row.id + ": " + row.info);
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});
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});
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db.serialize(function() {
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// These two queries will run sequentially.
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db.run("CREATE TABLE foo (num)");
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db.run("INSERT INTO foo VALUES (?)", 1, function() {
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// These queries will run in parallel and the second query will probably
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// fail because the table might not exist yet.
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db.run("CREATE TABLE bar (num)");
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db.run("INSERT INTO bar VALUES (?)", 1);
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});
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});
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// Directly in the function arguments.
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db.run("UPDATE tbl SET name = ? WHERE id = ?", "bar", 2);
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// As an array.
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db.run("UPDATE tbl SET name = ? WHERE id = ?", [ "bar", 2 ]);
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// As an object with named parameters.
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db.run("UPDATE tbl SET name = $name WHERE id = $id", {
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$id: 2,
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$name: "bar"
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});
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db.run("UPDATE tbl SET name = ?5 WHERE id = ?", {
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1: 2,
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5: "bar"
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});
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db.close();
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