internal ExecuteBlockInsertSql GetInsertSql(FbInsertSqlContext insertContext, InsertColumn[] insertValues, bool resultRequired, bool skipCommandParameters)
{
List<string> columnsList = new List<string>(insertValues.Length);
List<string> valuesList = new List<string>(insertValues.Length);
List<string> parametersList = new List<string>(insertValues.Length);
int parametersSize = 0;
for (int i = 0; i < insertValues.Length; i++)
{
var currentValue = insertValues[i];
columnsList.Add(currentValue.Column.QuotedName);
if (skipCommandParameters && CanSkipCommandParameterFor(currentValue))
{
valuesList.Add(currentValue.ValueToSql());
}
else
{
if (currentValue.ParameterName == null)
currentValue.ParameterName = GetNextParameterName(insertContext);
valuesList.Add(":" + currentValue.ParameterName);
parametersList.Add(String.Format("{0} {1}=@{0}", currentValue.ParameterName,
currentValue.ValueParameterToSql()));
parametersSize += currentValue.Column.Size + ParameterSizeInBytes;
}
}
string insertSql;
if (resultRequired)
{
insertSql = String.Format("INSERT INTO {0} ({1}) VALUES({2}) RETURNING {3} into {4};suspend;",
insertContext.TableName, String.Join(",", columnsList), String.Join(",", valuesList), insertContext.ReturnsColumnSql, insertContext.ReturnsVariablesSql);
}
else
{
insertSql = String.Format("INSERT INTO {0} ({1}) VALUES({2});", insertContext.TableName, String.Join(",", columnsList), String.Join(",", valuesList));
}
return new ExecuteBlockInsertSql(String.Join(",", parametersList), insertSql, parametersSize);
}
private IDictionary<string, object> CreateAndExecuteInsertCommand(IDbConnection connection, Table table, InsertColumn[] insertColumns, bool resultRequired, IDbTransaction transaction = null)
{
using (var command = connection.CreateCommand())
{
command.Transaction = transaction;
command.CommandText = GetInsertSql(table, insertColumns, resultRequired);
var columnParameters = new Dictionary<string,FbParameter>(insertColumns.Length);
foreach (var insertColumn in insertColumns)
{
columnParameters[insertColumn.Name] = new FbParameter
{
ParameterName = insertColumn.ParameterName,
Value = insertColumn.Value,
Direction = resultRequired ? ParameterDirection.InputOutput : ParameterDirection.Input
};
command.Parameters.Add(columnParameters[insertColumn.Name]);
}
return ExecuteInsertCommand(command, columnParameters, resultRequired);
}
}
private string GetInsertSql(Table table, InsertColumn[] insertData, bool resultRequired)
{
string columnsSql = String.Join(",", insertData.Select(s => s.Column.QuotedName));
string valuesSql = String.Join(",", insertData.Select(c => c.ParameterName));
if (resultRequired) return string.Format("INSERT INTO {0} ({1}) VALUES({2}) RETURNING {1};", table.QualifiedName, columnsSql, valuesSql);
else return string.Format("INSERT INTO {0} ({1}) VALUES({2});", table.QualifiedName, columnsSql, valuesSql);
}
private bool CanSkipCommandParameterFor(InsertColumn insertColumn)
{
return(insertColumn.Value == null || !insertColumn.Value.GetType().IsArray);
}
internal ExecuteBlockInsertSql GetInsertSql(FbInsertSqlContext insertContext, InsertColumn[] insertValues, bool resultRequired)
{
return GetInsertSql(insertContext, insertValues, resultRequired, insertContext.SkipCommandParameters);
}
private bool CanSkipCommandParameterFor(InsertColumn insertColumn)
{
return insertColumn.Value == null || !insertColumn.Value.GetType().IsArray;
}
