private void TranslateCommandTree(DbCommandTree commandTree, DbCommand command)
{
SqlBaseGenerator sqlGenerator = null;
DbQueryCommandTree select;
DbInsertCommandTree insert;
DbUpdateCommandTree update;
DbDeleteCommandTree delete;
if ((select = commandTree as DbQueryCommandTree) != null)
{
sqlGenerator = new SqlSelectGenerator(select);
}
else if ((insert = commandTree as DbInsertCommandTree) != null)
{
sqlGenerator = new SqlInsertGenerator(insert);
}
else if ((update = commandTree as DbUpdateCommandTree) != null)
{
sqlGenerator = new SqlUpdateGenerator(update);
}
else if ((delete = commandTree as DbDeleteCommandTree) != null)
{
sqlGenerator = new SqlDeleteGenerator(delete);
}
else
{
// TODO: get a message (unsupported DbCommandTree type)
throw new ArgumentException();
}
sqlGenerator.BuildCommand(command);
}
internal void TranslateCommandTree(Version serverVersion, DbCommandTree commandTree, DbCommand command, bool createParametersForNonSelect = true)
{
SqlBaseGenerator sqlGenerator = null;
DbQueryCommandTree select;
DbInsertCommandTree insert;
DbUpdateCommandTree update;
DbDeleteCommandTree delete;
if ((select = commandTree as DbQueryCommandTree) != null)
{
sqlGenerator = new SqlSelectGenerator(select);
}
else if ((insert = commandTree as DbInsertCommandTree) != null)
{
sqlGenerator = new SqlInsertGenerator(insert);
}
else if ((update = commandTree as DbUpdateCommandTree) != null)
{
sqlGenerator = new SqlUpdateGenerator(update);
}
else if ((delete = commandTree as DbDeleteCommandTree) != null)
{
sqlGenerator = new SqlDeleteGenerator(delete);
}
else
{
// TODO: get a message (unsupported DbCommandTree type)
throw new ArgumentException();
}
sqlGenerator._createParametersForConstants = select != null ? false : createParametersForNonSelect;
sqlGenerator._command = (NpgsqlCommand)command;
sqlGenerator.Version = serverVersion;
sqlGenerator.BuildCommand(command);
}