public int ExecuteNonQuery(string query)
{
if (!this.Exists)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Database does not exists!");
}
return(-1);
}
int result = -1;
try
{
this.connection.Open();
this.command = this.connection.CreateCommand();
this.command.CommandText = query;
result = this.command.ExecuteNonQuery();
}
catch (Exception ex)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Unable to execute query.\n" + ex.Message);
}
}
finally
{
this.command.Dispose();
this.connection.Close();
}
return(result);
}
public int Insert(string tableName, List <SQLiteDB.DB_DataPair> dataList)
{
if (!this.Exists)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Database does not exists!");
}
return(-1);
}
if (!this.IsTableExists(tableName))
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Table does not exists!");
}
return(-1);
}
int result = -1;
try
{
string str = "insert into " + tableName + "(";
string text = " values('";
for (int i = 0; i < dataList.Count; i++)
{
SQLiteDB.DB_DataPair dB_DataPair = dataList[i];
if (i == dataList.Count - 1)
{
str = str + dB_DataPair.fieldName + ") ";
text = text + dB_DataPair.value + "')";
}
else
{
str = str + dB_DataPair.fieldName + ",";
text = text + dB_DataPair.value + "','";
}
}
string commandText = str + text;
this.connection.Open();
this.command = this.connection.CreateCommand();
this.command.CommandText = commandText;
result = this.command.ExecuteNonQuery();
}
catch (Exception ex)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Unable to insert.\n" + ex.Message);
}
}
finally
{
this.command.Dispose();
this.connection.Close();
}
return(result);
}
public bool ConnectToDefaultDatabase(string dbName, bool loadFresh)
{
if (string.IsNullOrEmpty(this._dbPath.Trim()))
{
this._dbPath = Application.persistentDataPath;
}
if (loadFresh)
{
try
{
string text = Path.Combine(Application.streamingAssetsPath, dbName);
string text2 = Path.Combine(this._dbPath, dbName);
if (Application.platform == RuntimePlatform.Android)
{
text = "jar:file://" + Application.dataPath + "!/assets/" + dbName;
WWW wWW = new WWW(text);
while (!wWW.isDone)
{
}
if (!wWW.isDone)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Database not created, please check the default database file. ");
}
bool result = false;
return(result);
}
if (File.Exists(text2))
{
File.Delete(text2);
}
File.WriteAllBytes(text2, wWW.bytes);
}
else
{
if (File.Exists(text2))
{
File.Delete(text2);
}
File.Copy(text, text2);
}
}
catch (Exception ex)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Database error, " + ex.Message);
}
bool result = false;
return(result);
}
}
return(this.CreateDatabase(dbName, false));
}
public string GetStringValue(string fieldName)
{
if (this.rowCounter >= 0 && this.dataTable != null && this.dataTable.Count > 0)
{
return(this.dataTable[(int)this.rowCounter][fieldName].ToString());
}
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("No record found");
}
return(string.Empty);
}
public object GetValue(string fieldName)
{
if (this.rowCounter >= 0 && this.dataTable != null && this.dataTable.Count > 0)
{
return(this.dataTable[(int)this.rowCounter][fieldName]);
}
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("No record found");
}
return(null);
}
public DBReader GetAllData(string tableName)
{
if (!this.IsTableExists(tableName))
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Table does not exists!");
}
return(null);
}
string query = "select * from " + tableName;
return(this.Select(query));
}
public bool CreateDatabase(string dbName, bool isOverWrite)
{
this._dbName = dbName.Trim();
this._isOverWrite = isOverWrite;
bool result = false;
if (string.IsNullOrEmpty(this._dbName))
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Database name invalid!");
}
return(false);
}
string text = Path.Combine(this._dbPath, this._dbName);
try
{
if (this._isOverWrite && File.Exists(text))
{
File.Delete(text);
}
if (!File.Exists(text))
{
FileStream fileStream = File.Create(text);
fileStream.Close();
}
this.connection = new SqliteConnection("URI=file:" + text);
result = true;
}
catch (Exception ex)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker(string.Concat(new object[]
{
"Unable to create database. \n",
ex.Message,
"\n",
ex.InnerException,
"\n",
ex.StackTrace
}));
}
result = false;
}
return(result);
}
public short GetShortValue(string fieldName)
{
if (this.rowCounter >= 0 && this.dataTable != null && this.dataTable.Count > 0)
{
short result = 0;
if (short.TryParse(this.dataTable[(int)this.rowCounter][fieldName].ToString(), out result))
{
return(result);
}
}
else if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("No record found");
}
return(0);
}
public bool DeleteTable(string tableName)
{
if (!this.Exists)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Database does not exists!");
}
return(false);
}
if (!this.IsTableExists(tableName))
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Table does not exists.");
}
return(false);
}
bool result = false;
try
{
string commandText = "drop table " + tableName;
this.connection.Open();
this.command = this.connection.CreateCommand();
this.command.CommandText = commandText;
this.command.ExecuteNonQuery();
result = true;
}
catch (Exception ex)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Unable to delete table.\n" + ex.Message);
}
result = false;
}
finally
{
this.command.Dispose();
this.connection.Close();
}
return(result);
}
public bool DeleteDatabase()
{
if (!this.Exists)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Database does not exists!");
}
return(false);
}
bool result = false;
try
{
string path = Path.Combine(this._dbPath, this._dbName);
if (File.Exists(path))
{
this.Dispose();
File.Delete(path);
result = true;
}
else
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Database does not exists!");
}
result = false;
}
}
catch (Exception ex)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Unable to delete database.\n" + ex.Message);
}
result = false;
}
finally
{
}
return(result);
}
public int ClearTable(string tableName)
{
int result = -1;
if (!this.Exists)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Database does not exists!");
}
return(-1);
}
if (!this.IsTableExists(tableName))
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Table does not exists.");
}
return(-1);
}
try
{
string commandText = "delete from " + tableName;
this.connection.Open();
this.command = this.connection.CreateCommand();
this.command.CommandText = commandText;
result = this.command.ExecuteNonQuery();
}
catch (Exception ex)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Unable to clear table.\n" + ex.Message);
}
}
finally
{
this.command.Dispose();
this.connection.Close();
}
return(result);
}
public DBReader Select(string tableName, List <string> fields, SQLiteDB.DB_ConditionPair condition)
{
if (!this.Exists)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Database does not exists!");
}
return(null);
}
if (!this.IsTableExists(tableName))
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Table does not exists!");
}
return(null);
}
if (string.IsNullOrEmpty(condition.fieldName.Trim()) || string.IsNullOrEmpty(condition.value.Trim()))
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Wrong condition!");
}
return(null);
}
DBReader result = null;
try
{
string text = "select ";
for (int i = 0; i < fields.Count; i++)
{
if (i == fields.Count - 1)
{
text += fields[i];
}
else
{
text = text + fields[i] + ",";
}
}
text = text + " from " + tableName;
string text2 = text;
text = string.Concat(new string[]
{
text2,
" where ",
condition.fieldName,
this.GetConditionSymbol(condition.condition),
"'",
condition.value,
"'"
});
this.connection.Open();
this.command = this.connection.CreateCommand();
this.command.CommandText = text;
this.reader = this.command.ExecuteReader();
result = new DBReader(this.reader);
}
catch (Exception ex)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Unable to select data.\n" + ex.Message);
}
}
finally
{
this.command.Dispose();
this.connection.Close();
}
return(result);
}
public int Update(string tableName, List <SQLiteDB.DB_DataPair> dataList, SQLiteDB.DB_ConditionPair condition)
{
if (!this.Exists)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Database does not exists!");
}
return(-1);
}
if (!this.IsTableExists(tableName))
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Table does not exists!");
}
return(-1);
}
if (string.IsNullOrEmpty(condition.fieldName.Trim()) || string.IsNullOrEmpty(condition.value.Trim()))
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Wrong condition!");
}
return(-1);
}
int result = -1;
try
{
string text = "update " + tableName + " set ";
for (int i = 0; i < dataList.Count; i++)
{
if (i == dataList.Count - 1)
{
string text2 = text;
text = string.Concat(new string[]
{
text2,
dataList[i].fieldName,
"='",
dataList[i].value,
"' where ",
condition.fieldName,
this.GetConditionSymbol(condition.condition),
"'",
condition.value,
"'"
});
}
else
{
string text2 = text;
text = string.Concat(new string[]
{
text2,
dataList[i].fieldName,
"='",
dataList[i].value,
"',"
});
}
}
this.connection.Open();
this.command = this.connection.CreateCommand();
this.command.CommandText = text;
result = this.command.ExecuteNonQuery();
}
catch (Exception ex)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Unable to update.\n" + ex.Message);
}
}
finally
{
this.command.Dispose();
this.connection.Close();
}
return(result);
}
public bool CreateTable(DBSchema schema)
{
if (!this.Exists)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Database does not exists!");
}
return(false);
}
if (this.IsTableExists(schema.TableName))
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Table " + schema.TableName + " already exists.");
}
return(false);
}
if (string.IsNullOrEmpty(schema.TableName))
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("No schema name!");
}
return(false);
}
if (schema == null || schema.GetTableFields().Count == 0)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Empty schema!");
}
return(false);
}
bool result = false;
try
{
int num = 0;
string text = "create table " + schema.TableName + "(";
for (int i = 0; i < schema.GetTableFields().Count; i++)
{
if (i == schema.GetTableFields().Count - 1)
{
string text2 = text;
text = string.Concat(new object[]
{
text2,
schema.GetTableFields()[i].name,
" ",
this.GetDataType(schema.GetTableFields()[i].type),
"(",
schema.GetTableFields()[i].size,
") "
});
if (schema.GetTableFields()[i].isNotNull)
{
text += "NOT NULL";
}
if (schema.GetTableFields()[i].isUnique || schema.GetTableFields()[i].isPrimaryKey)
{
text += "UNIQUE";
}
if (schema.GetTableFields()[i].isPrimaryKey)
{
num = i + 1;
}
if (num > 0)
{
text = text + ",PRIMARY KEY(" + schema.GetTableFields()[num - 1].name + ")";
}
text += ")";
}
else
{
string text2 = text;
text = string.Concat(new object[]
{
text2,
schema.GetTableFields()[i].name,
" ",
this.GetDataType(schema.GetTableFields()[i].type),
"(",
schema.GetTableFields()[i].size,
") "
});
if (schema.GetTableFields()[i].isNotNull)
{
text += "NOT NULL";
}
if (schema.GetTableFields()[i].isUnique || schema.GetTableFields()[i].isPrimaryKey)
{
text += "UNIQUE";
}
if (schema.GetTableFields()[i].isPrimaryKey)
{
num = i + 1;
}
text += ",";
}
}
this.connection.Open();
this.command = this.connection.CreateCommand();
this.command.CommandText = text;
this.command.ExecuteNonQuery();
result = true;
}
catch (Exception ex)
{
if (SQLiteEventListener.onErrorInvoker != null)
{
SQLiteEventListener.onErrorInvoker("Unable to create table.\n" + ex.Message);
}
result = false;
}
finally
{
this.command.Dispose();
this.connection.Close();
}
return(result);
}