public Result DeleteRows(TableDeleteStatement statement)
{
protocol.SendDelete(statement.Target.Schema.Name,
statement.Target.Name, true,
statement.FilterData);
return(new Result(this));
}
protected Result ExecuteDeleteStatement(TableDeleteStatement stmt)
{
return(stmt.Execute());
}
public int PrepareStatement <TResult>(BaseStatement <TResult> statement)
where TResult : BaseResult
{
int stmtId = Interlocked.Increment(ref _stmtId);
switch (statement.GetType().Name)
{
case nameof(FindStatement):
FindStatement fs = statement as FindStatement;
Debug.Assert(fs != null);
protocol.SendPrepareStatement(
(uint)stmtId,
DataAccess.PreparedStatementType.Find,
fs.Target.Schema.Name,
fs.Target.Name,
false,
fs.FilterData,
fs.findParams);
break;
case nameof(TableSelectStatement):
TableSelectStatement ss = statement as TableSelectStatement;
Debug.Assert(ss != null);
protocol.SendPrepareStatement(
(uint)stmtId,
DataAccess.PreparedStatementType.Find,
ss.Target.Schema.Name,
ss.Target.Name,
true,
ss.FilterData,
ss.findParams);
break;
case nameof(ModifyStatement):
ModifyStatement ms = statement as ModifyStatement;
Debug.Assert(ms != null);
protocol.SendPrepareStatement(
(uint)stmtId,
DataAccess.PreparedStatementType.Update,
ms.Target.Schema.Name,
ms.Target.Name,
false,
ms.FilterData,
null,
ms.Updates);
break;
case nameof(TableUpdateStatement):
TableUpdateStatement us = statement as TableUpdateStatement;
Debug.Assert(us != null);
protocol.SendPrepareStatement(
(uint)stmtId,
DataAccess.PreparedStatementType.Update,
us.Target.Schema.Name,
us.Target.Name,
true,
us.FilterData,
null,
us.updates);
break;
case nameof(RemoveStatement):
RemoveStatement rs = statement as RemoveStatement;
Debug.Assert(rs != null);
protocol.SendPrepareStatement(
(uint)stmtId,
DataAccess.PreparedStatementType.Delete,
rs.Target.Schema.Name,
rs.Target.Name,
false,
rs.FilterData,
null);
break;
case nameof(TableDeleteStatement):
TableDeleteStatement ds = statement as TableDeleteStatement;
Debug.Assert(ds != null);
protocol.SendPrepareStatement(
(uint)stmtId,
DataAccess.PreparedStatementType.Delete,
ds.Target.Schema.Name,
ds.Target.Name,
true,
ds.FilterData,
null);
break;
case nameof(TableInsertStatement):
TableInsertStatement insert = statement as TableInsertStatement;
Debug.Assert(insert != null);
protocol.SendPrepareStatement(
(uint)stmtId,
DataAccess.PreparedStatementType.Insert,
insert.Target.Schema.Name,
insert.Target.Name,
true,
null,
null,
null,
insert.values.ToArray(),
insert.fields,
false);
break;
case nameof(SqlStatement):
SqlStatement sqlStatement = statement as SqlStatement;
Debug.Assert(sqlStatement != null);
protocol.SendPrepareStatement(
(uint)stmtId,
DataAccess.PreparedStatementType.SqlStatement,
null,
null,
true,
null,
null,
null,
sqlStatement.parameters.ToArray(),
null,
false,
sqlStatement.SQL);
break;
default:
throw new NotSupportedException(statement.GetType().Name);
}
_preparedStatements.Add(stmtId);
return(stmtId);
}
private void ExecuteDelete(TableDeleteStatement statement, int expectedRowsCount)
{
Result result = ExecuteDeleteStatement(statement);
Assert.Equal(expectedRowsCount, CountRows());
}
