private ConditionCompiler(IDBTraits traits)
{
this.paramsholder = new ParamsHolder();
this.traits = traits;
}
public void update(penartur.Web.Core.DB.Transaction _transaction, ITableSpec table, string id, Dictionary<string, string> data)
{
using(var logger = this.CreateCommandExecutionLogger()) {
Transaction transaction = (Transaction)_transaction;
lock(transaction) {
using(DbCommand command = transaction.sqlconnection.CreateCommand()) {
List<string> updates = new List<string>();
ParamsHolder paramsholder = new ParamsHolder();
foreach(KeyValuePair<string, string> kvp in data) {
updates.Add(this.traits.escapeIdentifier(kvp.Key) + " = " + this.traits.markParam(paramsholder.Add(kvp.Value)));
}
command.Transaction = transaction.sqltransaction;
command.CommandType = System.Data.CommandType.Text;
command.CommandText = logger.commandText = "UPDATE " + table.compile(traits) + " set " + String.Join(", ", updates.ToArray()) + " where " + table.getIdSpec().compile(this.traits) + " = " + this.traits.markParam("id");
command.AddParameter("id", id);
foreach(KeyValuePair<string, string> kvp in paramsholder.data) {
command.AddParameter(kvp.Key, kvp.Value);
}
// throw new CriticalException(command.CommandText + "; parameters: " + string.Join(", ", (from DbParameter parameter in command.Parameters select parameter.ParameterName + "='" + parameter.Value.ToString() + "'").ToArray()));
command.ExecuteNonQuery();
}
}
}
}
private List<Dictionary<string, string>> _LoadByIds(DbCommand command, ITableSpec table, List<string> ids, bool forUpdate)
{
using(var logger = this.CreateCommandExecutionLogger()) {
command.CommandType = System.Data.CommandType.Text;
ParamsHolder paramsHolder = new ParamsHolder();
List<string> placeholder = new List<string>();
foreach(string id in ids) {
placeholder.Add(this.traits.markParam(paramsHolder.Add(id)));
}
command.CommandText = logger.commandText = "SELECT * FROM " + table.compile(this.traits) + " WHERE " + table.getIdSpec().compile(this.traits) + " IN (" + string.Join(", ", placeholder.ToArray()) + ")" + (forUpdate ? " FOR UPDATE" : "");
//command.Prepare();
foreach(KeyValuePair<string, string> kvp in paramsHolder.data) {
command.AddParameter(kvp.Key, kvp.Value);
}
Dictionary<string, Dictionary<string, string>> rawResult = new Dictionary<string, Dictionary<string, string>>();
using(DbDataReader reader = command.ExecuteReader()) {
while(reader.Read()) {
Dictionary<string, string> row = new Dictionary<string, string>();
for(int i=0; i<reader.FieldCount; i++) {
//throw new CriticalException("Name: " + reader.GetName(i));
object value = reader.GetValue(i);
string sValue;
if(value is DateTime) {
sValue = ((DateTime)value).Ticks.ToString();
} else if(value is TimeSpan) {
sValue = ((TimeSpan)value).Ticks.ToString();
} else {
sValue = value.ToString();
}
row.Add(reader.GetName(i), sValue);
}
rawResult.Add(row[table.idName], row);
}
}
List<Dictionary<string, string>> result = new List<Dictionary<string, string>>();
foreach(string id in ids) {
if(rawResult.ContainsKey(id)) {
result.Add(rawResult[id]);
}
}
return result;
}
}
public string insert(penartur.Web.Core.DB.Transaction _transaction, ITableSpec table, Dictionary<string, string> data)
{
using(var logger = this.CreateCommandExecutionLogger()) {
Transaction transaction = (Transaction)_transaction;
lock(transaction) {
using(DbCommand command = transaction.sqlconnection.CreateCommand()) {
List<string> updates = new List<string>();
List<string> updatesPlaceholders = new List<string>();
ParamsHolder paramsholder = new ParamsHolder();
foreach(KeyValuePair<string, string> kvp in data) {
updates.Add(this.traits.escapeIdentifier(kvp.Key));
updatesPlaceholders.Add(this.traits.markParam(paramsholder.Add(kvp.Value)));
}
command.Transaction = transaction.sqltransaction;
command.CommandType = System.Data.CommandType.Text;
command.CommandText = logger.commandText = "INSERT INTO " + table.compile(this.traits) + " (" + String.Join(", ", updates.ToArray()) + ") VALUES (" + String.Join(", ", updatesPlaceholders.ToArray()) + ")";
foreach(KeyValuePair<string, string> kvp in paramsholder.data) {
command.AddParameter(kvp.Key, kvp.Value);
}
command.ExecuteNonQuery();
if(data.ContainsKey(table.idName)) return data[table.idName];
return this.traits.LastInsertId(command, table).ToString();
}
}
}
}
