/// <summary>
/// CreateUpdateSQL
/// </summary>
/// <param name="tableName"></param>
/// <param name="values"></param>
/// <param name="whereSql"></param>
/// <param name="whereArgs"></param>
/// <returns></returns>
public string CreateUpdateSQL(string tableName, DataValues values, string whereSql, DataValues whereArgs)
{
StringBuilder stringBuilder = new StringBuilder("UPDATE");
stringBuilder.Append(" ");
stringBuilder.AppendFormat("[{0}]", tableName);
string[] keys = values.Keys;
if (keys == null || keys.Length == 0)
{
throw new ArgumentException("values");
}
stringBuilder.Append(" ");
stringBuilder.Append("SET");
stringBuilder.Append(" ");
for (int i = 0; i < values.Count; i++)
{
string key = keys[i];
stringBuilder.AppendFormat("[{0}] = {1}", key, values.Get(key));
if ((i + 1) < keys.Length)
{
stringBuilder.Append(",");
}
}
if (!String.IsNullOrEmpty(whereSql))
{
whereSql = CreateWhereSql(whereSql, whereArgs);
stringBuilder.Append(" ");
stringBuilder.Append(whereSql);
}
stringBuilder.Append(";");
return(stringBuilder.ToString());
}
/// <summary>
/// CreateInsertSQL
/// </summary>
/// <param name="tableName"></param>
/// <param name="contentValues"></param>
/// <returns></returns>
public string CreateInsertSQL(string tableName, DataValues contentValues)
{
StringBuilder stringBuilder = new StringBuilder("INSERT INTO");
stringBuilder.Append(" ");
if (String.IsNullOrEmpty(tableName))
{
throw new ArgumentException("tableName");
}
stringBuilder.AppendFormat("[{0}]", tableName);
if (contentValues == null || contentValues.Count == 0)
{
throw new ArgumentException("contentValues");
}
string[] keys = contentValues.Keys;
StringBuilder kBuilder = new StringBuilder();
StringBuilder vBuilder = new StringBuilder();
for (int i = 0; i < keys.Length; i++)
{
string key = keys[i];
kBuilder.AppendFormat("[{0}]", key);
vBuilder.AppendFormat("{0}", contentValues.Get(key));
if ((i + 1) < keys.Length)
{
kBuilder.Append(",");
vBuilder.Append(",");
}
}
stringBuilder.AppendFormat("({0})", kBuilder);
stringBuilder.AppendFormat("VALUES({0})", vBuilder);
stringBuilder.Append(";");
return(stringBuilder.ToString());
}
/// <summary>
/// CreateWhereSql
/// </summary>
/// <param name="whereSql"></param>
/// <param name="whereArgs"></param>
/// <returns></returns>
protected virtual string CreateWhereSql(string whereSql, DataValues whereArgs)
{
if (String.IsNullOrEmpty(whereSql))
{
throw new ArgumentException("whereSql");
}
StringBuilder stringBuilder = new StringBuilder("WHERE");
string[] args = whereSql.Split(',', ';');
if (args.Length > 0)
{
stringBuilder.Append(" ");
for (int i = 0; i < args.Length; i++)
{
string str = args[i];
string[] aa = str.Split('=', '<', '>');
string key = aa[0].Trim();
string value = aa[1].Trim();
if (Equals(value, "?"))
{
if (whereArgs == null || whereArgs.Count == 0)
{
throw new ArgumentException("contentValues");
}
value = whereArgs.Get(key);
}
stringBuilder.AppendFormat("[{0}] = {1}", key, value);
if ((i + 1) < args.Length)
{
stringBuilder.Append(" ");
stringBuilder.Append("and");
stringBuilder.Append(" ");
}
}
}
return(stringBuilder.ToString());
}
/// <summary>
/// CreateWhereSql
/// </summary>
/// <param name="whereSql"></param>
/// <param name="whereArgs"></param>
/// <returns></returns>
protected virtual string CreateWhereSql(string whereSql, DataValues whereArgs)
{
if (String.IsNullOrEmpty(whereSql))
{
throw new ArgumentException("whereSql");
}
StringBuilder stringBuilder = new StringBuilder("WHERE");
string[] args = whereSql.Split(',', ';');
if (args.Length > 0)
{
stringBuilder.Append(" ");
for (int i = 0; i < args.Length; i++)
{
string str = args[i];
string[] aa = str.Split('=', '<', '>');
string key = aa[0].Trim();
string value = aa[1].Trim();
if (Equals(value, "?"))
{
if (whereArgs == null || whereArgs.Count == 0)
{
throw new ArgumentException("contentValues");
}
value = whereArgs.Get(key);
}
stringBuilder.AppendFormat("[{0}] = {1}", key, value);
if ((i + 1) < args.Length)
{
stringBuilder.Append(" ");
stringBuilder.Append("and");
stringBuilder.Append(" ");
}
}
}
return stringBuilder.ToString();
}
/// <summary>
/// CreateUpdateSQL
/// </summary>
/// <param name="tableName"></param>
/// <param name="values"></param>
/// <param name="whereSql"></param>
/// <param name="whereArgs"></param>
/// <returns></returns>
public string CreateUpdateSQL(string tableName, DataValues values, string whereSql, DataValues whereArgs)
{
StringBuilder stringBuilder = new StringBuilder("UPDATE");
stringBuilder.Append(" ");
stringBuilder.AppendFormat("[{0}]", tableName);
string[] keys = values.Keys;
if (keys == null || keys.Length == 0)
{
throw new ArgumentException("values");
}
stringBuilder.Append(" ");
stringBuilder.Append("SET");
stringBuilder.Append(" ");
for (int i = 0; i < values.Count; i++)
{
string key = keys[i];
stringBuilder.AppendFormat("[{0}] = {1}", key, values.Get(key));
if ((i + 1) < keys.Length)
{
stringBuilder.Append(",");
}
}
if (!String.IsNullOrEmpty(whereSql))
{
whereSql = CreateWhereSql(whereSql, whereArgs);
stringBuilder.Append(" ");
stringBuilder.Append(whereSql);
}
stringBuilder.Append(";");
return stringBuilder.ToString();
}
/// <summary>
/// CreateInsertSQL
/// </summary>
/// <param name="tableName"></param>
/// <param name="contentValues"></param>
/// <returns></returns>
public string CreateInsertSQL(string tableName, DataValues contentValues)
{
StringBuilder stringBuilder = new StringBuilder("INSERT INTO");
stringBuilder.Append(" ");
if (String.IsNullOrEmpty(tableName))
{
throw new ArgumentException("tableName");
}
stringBuilder.AppendFormat("[{0}]", tableName);
if (contentValues == null || contentValues.Count == 0)
{
throw new ArgumentException("contentValues");
}
string[] keys = contentValues.Keys;
StringBuilder kBuilder = new StringBuilder();
StringBuilder vBuilder = new StringBuilder();
for (int i = 0; i < keys.Length; i++)
{
string key = keys[i];
kBuilder.AppendFormat("[{0}]", key);
vBuilder.AppendFormat("{0}", contentValues.Get(key));
if ((i + 1) < keys.Length)
{
kBuilder.Append(",");
vBuilder.Append(",");
}
}
stringBuilder.AppendFormat("({0})", kBuilder);
stringBuilder.AppendFormat("VALUES({0})", vBuilder);
stringBuilder.Append(";");
return stringBuilder.ToString();
}
