What is SQLite?
Serverless, zero-configuration, very small, light weight, self-contained(no external dependency). It is written in ANSI-C. Available on UNIX(Linux, Mac OS-X, Android, iOS) and Windows.
SQLite in Phonegap:
First, need to install SQLite plugin in phonegap working project(Assuming you already created phonegap project). Go to that phonegap working project in cmd(windows) and type below command to install SQLite plugin.
>> phonegap plugin add cordova-sqlite-storage
Now we are going to implement CRUD operations with SQLite using jQuery:
Sample Syntax for all operations:
var db = window.openDatabase({name:"TestDb.db"}); - To create database and connection
db.transaction(function(transaction){ - For database transactions
var query = "SQL query";
transaction.executeSql(query, [parameters], - For query execution
function(tx, result){
//success
},
function(error){
});
});
Table creation in database:
db.transaction(function(transaction){
var query = "CREATE TABLE IF NOT EXISTS phonegapsolutions (id INTEGER PRIMARY KEY AUTOINCREMENT, username TEXT, usermail TEXT)";
transaction.executeSql(query, [],
function(tx, result){
alert("Table created successfully");
},
function(error){
alert("Error in table creation");
});
});
Insertion:
var username = "edukondalu";
var usermail = "edukondaluthaviti@gmail.com";
db.transaction(function(transaction){
var query = "INSERT into phonegapsolutions (username, usermail) VALUES (?, ?)";
transaction.executeSql(query, [username, usermail],
function(tx, result){
alert("Inserted");
},
function(error){
alert("Error in insertion");
});
});
Get all inserted data:
db.transaction(function(transaction){
var query = "SELECT * from phonegapsolutoins";
transaction.executeSql(query, [],
function(tx, result){
for(var i=0;i<result.rows.length;i++){
var item = result.rows.item(i);
var html = "<li>" + item["username"] + " " + item["usermail"] + "</li>";
}
$("#id").html(html);
},
function(error){
alert("Error in Getting all data");
});
});
Updation:
var id = $("#id").text();
var username = $("#username").val();
var usermail = $("#usermail").val();
db.transaction(function(transaction){
var query = "UPDATE phonegapsolutions SET username = ?, usermail = ?where id = ?";
transaction.executeSql(query, [username, usermail, id],
function(tx, result){
alert("Updated");
},
function(error){
alert("Error in updation");
});
});
Deletion:
db.transaction(function(transaction){
var query = "DELETE from phonegapsolutions where id = ?";
transaction.executeSql(query, [id],
function(tx, result){
alert("Deleted");
},
function(error){
alert("Error in deletion");
});
});
DROP:
db.transaction(function(transaction){
var query = "DELETE TABLE IF EXISTS phonegapsolutions";
transaction.executeSql(query, [],
function(tx, result){
alert("Table Deleted");
},
function(error){
alert("Error in table deletion");
});
});
Please let me know any help from phonegap side.
Serverless, zero-configuration, very small, light weight, self-contained(no external dependency). It is written in ANSI-C. Available on UNIX(Linux, Mac OS-X, Android, iOS) and Windows.
SQLite in Phonegap:
First, need to install SQLite plugin in phonegap working project(Assuming you already created phonegap project). Go to that phonegap working project in cmd(windows) and type below command to install SQLite plugin.
>> phonegap plugin add cordova-sqlite-storage
Now we are going to implement CRUD operations with SQLite using jQuery:
Sample Syntax for all operations:
var db = window.openDatabase({name:"TestDb.db"}); - To create database and connection
db.transaction(function(transaction){ - For database transactions
var query = "SQL query";
transaction.executeSql(query, [parameters], - For query execution
function(tx, result){
//success
},
function(error){
});
});
Table creation in database:
db.transaction(function(transaction){
var query = "CREATE TABLE IF NOT EXISTS phonegapsolutions (id INTEGER PRIMARY KEY AUTOINCREMENT, username TEXT, usermail TEXT)";
transaction.executeSql(query, [],
function(tx, result){
alert("Table created successfully");
},
function(error){
alert("Error in table creation");
});
});
Insertion:
var username = "edukondalu";
var usermail = "edukondaluthaviti@gmail.com";
db.transaction(function(transaction){
var query = "INSERT into phonegapsolutions (username, usermail) VALUES (?, ?)";
transaction.executeSql(query, [username, usermail],
function(tx, result){
alert("Inserted");
},
function(error){
alert("Error in insertion");
});
});
Get all inserted data:
db.transaction(function(transaction){
var query = "SELECT * from phonegapsolutoins";
transaction.executeSql(query, [],
function(tx, result){
for(var i=0;i<result.rows.length;i++){
var item = result.rows.item(i);
var html = "<li>" + item["username"] + " " + item["usermail"] + "</li>";
}
$("#id").html(html);
},
function(error){
alert("Error in Getting all data");
});
});
Updation:
var id = $("#id").text();
var username = $("#username").val();
var usermail = $("#usermail").val();
db.transaction(function(transaction){
var query = "UPDATE phonegapsolutions SET username = ?, usermail = ?where id = ?";
transaction.executeSql(query, [username, usermail, id],
function(tx, result){
alert("Updated");
},
function(error){
alert("Error in updation");
});
});
Deletion:
db.transaction(function(transaction){
var query = "DELETE from phonegapsolutions where id = ?";
transaction.executeSql(query, [id],
function(tx, result){
alert("Deleted");
},
function(error){
alert("Error in deletion");
});
});
DROP:
db.transaction(function(transaction){
var query = "DELETE TABLE IF EXISTS phonegapsolutions";
transaction.executeSql(query, [],
function(tx, result){
alert("Table Deleted");
},
function(error){
alert("Error in table deletion");
});
});
Please let me know any help from phonegap side.
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