mirror of
https://github.com/moparisthebest/PhoneGap-SQLitePlugin-Android
synced 2024-11-24 17:42:17 -05:00
New Android version from @marcucio with major improvements in batch processing
This commit is contained in:
Chris Brody
parent
d24062b58e
commit
410dd0d35f
259
Android/assets/www/SQLitePlugin.js
Executable file
259
Android/assets/www/SQLitePlugin.js
Executable file
@ -0,0 +1,259 @@
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(function() {
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var root;
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root = this;
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root.SQLitePlugin = (function() {
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console.log("root.SQLitePlugin");
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SQLitePlugin.prototype.openDBs = {};
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function SQLitePlugin(dbPath, openSuccess, openError)
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{
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console.log("SQLitePlugin");
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this.dbPath = dbPath;
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this.openSuccess = openSuccess;
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this.openError = openError;
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if (!dbPath) {
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throw new Error("Cannot create a SQLitePlugin instance without a dbPath");
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}
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this.openSuccess || (this.openSuccess = function() {
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console.log("DB opened: " + dbPath);
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});
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this.openError || (this.openError = function(e) {
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console.log(e.message);
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});
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this.open(this.openSuccess, this.openError);
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}
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SQLitePlugin.prototype.transaction = function(fn, error, success)
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{
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console.log("SQLitePlugin.prototype.transaction");
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var t;
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t = new root.SQLitePluginTransaction(this.dbPath);
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fn(t);
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return t.complete(success, error);
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};
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SQLitePlugin.prototype.open = function(success, error)
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{
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console.log("SQLitePlugin.prototype.open");
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var opts;
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if (!(this.dbPath in this.openDBs)) {
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this.openDBs[this.dbPath] = true;
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PhoneGap.exec(success, error, "SQLitePlugin", "open", [this.dbPath]);
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}
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};
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SQLitePlugin.prototype.close = function(success, error)
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{
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console.log("SQLitePlugin.prototype.close");
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var opts;
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if (this.dbPath in this.openDBs) {
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delete this.openDBs[this.dbPath];
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PhoneGap.exec(null, null, "SQLitePlugin", "close", [this.dbPath]);
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}
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};
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return SQLitePlugin;
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})();
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get_unique_id = function()
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{
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var id = new Date().getTime();
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var id2 = new Date().getTime();
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while(id === id2)
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{
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id2 = new Date().getTime();
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}
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return id2+'000';
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}
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transaction_queue = [];
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transaction_callback_queue = new Object();
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root.SQLitePluginTransaction = (function() {
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console.log("root.SQLitePluginTransaction");
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function SQLitePluginTransaction(dbPath)
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{
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console.log("root.SQLitePluginTransaction.SQLitePluginTransaction");
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this.dbPath = dbPath;
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this.executes = [];
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this.trans_id = get_unique_id();
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this.__completed = false;
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this.__submitted = false;
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this.optimization_no_nested_callbacks = true;//if set to true large batches of queries within a transaction will be much faster but you lose the ability to do muiti level nesting of executeSQL callbacks
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console.log("root.SQLitePluginTransaction - this.trans_id:"+this.trans_id);
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transaction_queue[this.trans_id] = [];
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transaction_callback_queue[this.trans_id] = new Object();
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}
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SQLitePluginTransaction.queryCompleteCallback = function(transId, queryId, result)
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{
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console.log("SQLitePluginTransaction.queryCompleteCallback");
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var query = null;
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for (var x in transaction_queue[transId])
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{
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if(transaction_queue[transId][x]['query_id'] == queryId)
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{
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query = transaction_queue[transId][x];
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if(transaction_queue[transId].length == 1)
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transaction_queue[transId] = [];
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else
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transaction_queue[transId].splice(x, 1);
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break;
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}
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}
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// if(query)
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// console.log("SQLitePluginTransaction.completeCallback---query:"+query['query']);
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if(query && query['callback'])
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{
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query['callback'](result)
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}
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}
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SQLitePluginTransaction.queryErrorCallback = function(transId, queryId, result)
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{
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var query = null;
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for (var x in transaction_queue[transId])
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{
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if(transaction_queue[transId][x]['query_id'] == queryId)
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{
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query = transaction_queue[transId][x];
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if(transaction_queue[transId].length == 1)
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transaction_queue[transId] = [];
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else
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transaction_queue[transId].splice(x, 1);
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break;
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}
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}
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//if(query)
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// console.log("SQLitePluginTransaction.queryErrorCallback---query:"+query['query']);
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if(query && query['err_callback'])
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query['err_callback'](result)
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}
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SQLitePluginTransaction.txCompleteCallback = function(transId)
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{
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if(typeof transId != 'undefined')
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{
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if(transId && transaction_callback_queue[transId] && transaction_callback_queue[transId]['success'])
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{
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transaction_callback_queue[transId]['success']();
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}
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// delete transaction_queue[transId];
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// delete transaction_callback_queue[transId];
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}
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else
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console.log("SQLitePluginTransaction.txCompleteCallback---transId = NULL");
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}
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SQLitePluginTransaction.txErrorCallback = function(transId, error)
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{
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if(typeof transId != 'undefined')
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{
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console.log("SQLitePluginTransaction.txErrorCallback---transId:"+transId);
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if(transId && transaction_callback_queue[transId]['error'])
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transaction_callback_queue[transId]['error'](error);
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delete transaction_queue[transId];
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delete transaction_callback_queue[transId];
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}
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else
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console.log("SQLitePluginTransaction.txErrorCallback---transId = NULL");
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}
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SQLitePluginTransaction.prototype.add_to_transaction = function(trans_id, query, params, callback, err_callback)
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{
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var new_query = new Object();;
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new_query['trans_id'] = trans_id;
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if(callback || !this.optimization_no_nested_callbacks)
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new_query['query_id'] = get_unique_id();
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else if(this.optimization_no_nested_callbacks)
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new_query['query_id'] = "";
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new_query['query'] = query;
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if(params)
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new_query['params'] = params;
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else
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new_query['params'] = [];
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new_query['callback'] = callback;
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new_query['err_callback'] = err_callback;
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if(!transaction_queue[trans_id])
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transaction_queue[trans_id] = [];
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transaction_queue[trans_id].push(new_query);
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}
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SQLitePluginTransaction.prototype.executeSql = function(sql, values, success, error) {
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console.log("SQLitePluginTransaction.prototype.executeSql");
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var errorcb, successcb, txself;
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txself = this;
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successcb = null;
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if (success)
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{
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console.log("success not null:"+sql);
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successcb = function(execres)
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{
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console.log("executeSql callback:"+JSON.stringify(execres));
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var res, saveres;
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saveres = execres;
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res = {
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rows: {
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item: function(i) {
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return saveres[i];
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},
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length: saveres.length
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},
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rowsAffected: saveres.rowsAffected,
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insertId: saveres.insertId || null
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};
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return success(txself, res);
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};
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}
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else
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console.log("success NULL:"+sql);
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errorcb = null;
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if (error) {
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errorcb = function(res) {
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return error(txself, res);
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};
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}
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this.add_to_transaction(this.trans_id, sql, values, successcb, errorcb);
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console.log("executeSql - add_to_transaction"+sql);
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};
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SQLitePluginTransaction.prototype.complete = function(success, error) {
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console.log("SQLitePluginTransaction.prototype.complete");
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var begin_opts, commit_opts, errorcb, executes, opts, successcb, txself;
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if (this.__completed) throw new Error("Transaction already run");
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if (this.__submitted) throw new Error("Transaction already submitted");
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this.__submitted = true;
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txself = this;
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successcb = function()
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{
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if(transaction_queue[txself.trans_id].length > 0 && !txself.optimization_no_nested_callbacks)
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{
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txself.__submitted = false;
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txself.complete(success, error);
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}
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else
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{
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this.__completed = true;
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if(success)
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return success(txself);
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}
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};
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errorcb = function(res) {};
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if (error) {
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errorcb = function(res) {
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return error(txself, res);
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};
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}
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transaction_callback_queue[this.trans_id]['success'] = successcb;
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transaction_callback_queue[this.trans_id]['error'] = errorcb;
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PhoneGap.exec(null, null, "SQLitePlugin", "executeSqlBatch", transaction_queue[this.trans_id]);
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};
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return SQLitePluginTransaction;
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})();
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root.sqlitePlugin = {
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openDatabase: function(dbPath, version, displayName, estimatedSize, creationCallback, errorCallback) {
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if (version == null) version = null;
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if (displayName == null) displayName = null;
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if (estimatedSize == null) estimatedSize = 0;
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if (creationCallback == null) creationCallback = null;
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if (errorCallback == null) errorCallback = null;
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return new SQLitePlugin(dbPath, creationCallback, errorCallback);
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}
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};
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}).call(this);
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271
Android/src/com/phonegap/plugin/sqlitePlugin/SQLitePlugin.java
Executable file
271
Android/src/com/phonegap/plugin/sqlitePlugin/SQLitePlugin.java
Executable file
@ -0,0 +1,271 @@
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/*
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* PhoneGap is available under *either* the terms of the modified BSD license *or* the
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* MIT License (2008). See http://opensource.org/licenses/alphabetical for full text.
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*
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* Copyright (c) 2005-2010, Nitobi Software Inc.
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* Copyright (c) 2010, IBM Corporation
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*/
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package com.phonegap.plugins.sqlitePlugin;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import com.phonegap.api.Plugin;
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import com.phonegap.api.PluginResult;
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import android.database.Cursor;
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import android.database.sqlite.*;
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import android.util.Log;
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public class SQLitePlugin extends Plugin {
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// Data Definition Language
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SQLiteDatabase myDb = null; // Database object
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String path = null; // Database path
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String dbName = null; // Database name
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/**
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* Constructor.
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*/
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public SQLitePlugin() {
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}
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/**
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* Executes the request and returns PluginResult.
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*
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* @param action
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* The action to execute.
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* @param args
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* JSONArry of arguments for the plugin.
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* @param callbackId
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* The callback id used when calling back into JavaScript.
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* @return A PluginResult object with a status and message.
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*/
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public PluginResult execute(String action, JSONArray args, String callbackId) {
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PluginResult.Status status = PluginResult.Status.OK;
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String result = "";
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try {
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// TODO: Do we want to allow a user to do this, since they could get
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// to other app databases?
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if (action.equals("setStorage")) {
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this.setStorage(args.getString(0));
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} else if (action.equals("open")) {
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this.openDatabase(args.getString(0), "1",
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"database", 5000000);
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//this.openDatabase(args.getString(0), args.getString(1),
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// args.getString(2), args.getLong(3));
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}
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else if (action.equals("executeSqlBatch"))
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{
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String[] queries = null;
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String[] queryIDs = null;
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String[][] params = null;
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String trans_id = null;
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JSONObject a = null;
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JSONArray jsonArr = null;
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int paramLen = 0;
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if (args.isNull(0)) {
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queries = new String[0];
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} else {
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int len = args.length();
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queries = new String[len];
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queryIDs = new String[len];
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params = new String[len][1];
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for (int i = 0; i < len; i++)
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{
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a = args.getJSONObject(i);
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queries[i] = a.getString("query");
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queryIDs[i] = a.getString("query_id");
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trans_id = a.getString("trans_id");
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jsonArr = a.getJSONArray("params");
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paramLen = jsonArr.length();
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params[i] = new String[paramLen];
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for (int j = 0; j < paramLen; j++) {
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params[i][j] = jsonArr.getString(j);
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if(params[i][j] == "null")
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params[i][j] = "";
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||||
}
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}
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}
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if(trans_id != null)
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this.executeSqlBatch(queries, params, queryIDs, trans_id);
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else
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Log.v("error", "null trans_id");
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}
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return new PluginResult(status, result);
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} catch (JSONException e) {
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return new PluginResult(PluginResult.Status.JSON_EXCEPTION);
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}
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}
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/**
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||||
* Identifies if action to be executed returns a value and should be run
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* synchronously.
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||||
*
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||||
* @param action
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* The action to execute
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* @return T=returns value
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*/
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public boolean isSynch(String action) {
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return true;
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}
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/**
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* Clean up and close database.
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*/
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@Override
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public void onDestroy() {
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if (this.myDb != null) {
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this.myDb.close();
|
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this.myDb = null;
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}
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}
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// --------------------------------------------------------------------------
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// LOCAL METHODS
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// --------------------------------------------------------------------------
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/**
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* Set the application package for the database. Each application saves its
|
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* database files in a directory with the application package as part of the
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* file name.
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||||
*
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* For example, application "com.phonegap.demo.Demo" would save its database
|
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* files in "/data/data/com.phonegap.demo/databases/" directory.
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*
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||||
* @param appPackage
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||||
* The application package.
|
||||
*/
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public void setStorage(String appPackage) {
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this.path = "/data/data/" + appPackage + "/databases/";
|
||||
}
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||||
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/**
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* Open database.
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||||
*
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||||
* @param db
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||||
* The name of the database
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||||
* @param version
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||||
* The version
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||||
* @param display_name
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||||
* The display name
|
||||
* @param size
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||||
* The size in bytes
|
||||
*/
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||||
public void openDatabase(String db, String version, String display_name,
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||||
long size) {
|
||||
|
||||
// If database is open, then close it
|
||||
if (this.myDb != null) {
|
||||
this.myDb.close();
|
||||
}
|
||||
|
||||
// If no database path, generate from application package
|
||||
if (this.path == null) {
|
||||
Package pack = this.ctx.getClass().getPackage();
|
||||
String appPackage = pack.getName();
|
||||
this.setStorage(appPackage);
|
||||
}
|
||||
|
||||
this.dbName = this.path + db + ".db";
|
||||
this.myDb = SQLiteDatabase.openOrCreateDatabase(this.dbName, null);
|
||||
}
|
||||
|
||||
public void executeSqlBatch(String[] queryarr, String[][] paramsarr, String[] queryIDs, String tx_id) {
|
||||
try {
|
||||
this.myDb.beginTransaction();
|
||||
String query = "";
|
||||
String query_id = "";
|
||||
String[] params;
|
||||
int len = queryarr.length;
|
||||
for (int i = 0; i < len; i++) {
|
||||
query = queryarr[i];
|
||||
params = paramsarr[i];
|
||||
query_id = queryIDs[i];
|
||||
Cursor myCursor = this.myDb.rawQuery(query, params);
|
||||
|
||||
this.processResults(myCursor, query_id, tx_id);
|
||||
myCursor.close();
|
||||
}
|
||||
this.myDb.setTransactionSuccessful();
|
||||
}
|
||||
catch (SQLiteException ex) {
|
||||
ex.printStackTrace();
|
||||
Log.v("executeSqlBatch", "SQLitePlugin.executeSql(): Error=" + ex.getMessage());
|
||||
this.sendJavascript("SQLitePluginTransaction.txErrorCallback('" + tx_id + "', '"+ex.getMessage()+"');");
|
||||
}
|
||||
finally {
|
||||
this.myDb.endTransaction();
|
||||
Log.v("executeSqlBatch", tx_id);
|
||||
this.sendJavascript("SQLitePluginTransaction.txCompleteCallback('" + tx_id + "');");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Process query results.
|
||||
*
|
||||
* @param cur
|
||||
* Cursor into query results
|
||||
* @param tx_id
|
||||
* Transaction id
|
||||
*/
|
||||
public void processResults(Cursor cur, String query_id, String tx_id) {
|
||||
|
||||
String result = "[]";
|
||||
// If query result has rows
|
||||
|
||||
if (cur.moveToFirst()) {
|
||||
JSONArray fullresult = new JSONArray();
|
||||
String key = "";
|
||||
int colCount = cur.getColumnCount();
|
||||
|
||||
// Build up JSON result object for each row
|
||||
do {
|
||||
JSONObject row = new JSONObject();
|
||||
try {
|
||||
for (int i = 0; i < colCount; ++i) {
|
||||
key = cur.getColumnName(i);
|
||||
if(android.os.Build.VERSION.SDK_INT >= 11)
|
||||
{
|
||||
switch(cur.getType (i))
|
||||
{
|
||||
case Cursor.FIELD_TYPE_NULL:
|
||||
row.put(key, null);
|
||||
break;
|
||||
case Cursor.FIELD_TYPE_INTEGER:
|
||||
row.put(key, cur.getInt(i));
|
||||
break;
|
||||
case Cursor.FIELD_TYPE_FLOAT:
|
||||
row.put(key, cur.getFloat(i));
|
||||
break;
|
||||
case Cursor.FIELD_TYPE_STRING:
|
||||
row.put(key, cur.getString(i));
|
||||
break;
|
||||
case Cursor.FIELD_TYPE_BLOB:
|
||||
row.put(key, cur.getBlob(i));
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
row.put(key, cur.getString(i));
|
||||
}
|
||||
}
|
||||
fullresult.put(row);
|
||||
|
||||
} catch (JSONException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
} while (cur.moveToNext());
|
||||
|
||||
result = fullresult.toString();
|
||||
}
|
||||
if(query_id.length() > 0)
|
||||
this.sendJavascript(" SQLitePluginTransaction.queryCompleteCallback('" + tx_id + "','" + query_id + "', " + result + ");");
|
||||
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user