public LeitorFeicaoGeo(string classeFeicao, FonteFeicao fonte, OperacaoEspacial operacao, Expressao filtro)
: base(classeFeicao, fonte)
{
if (fonte == null)
{
throw new Exception("Fonte Nula");
}
this._fonte = fonte;
this._tabela = fonte.ObterClasseFeicao(classeFeicao);
this._atributos = this._tabela.Atributos;
string str1 = "";
for (int index = 0; index < this._tabela.Atributos.Count; ++index)
{
if (this._tabela.Atributos[index].Tipo == DbType.DateTime)
{
str1 = str1 + "to_char(" + this._tabela.Atributos[index].Nome + ",'dd/mm/yyyy HH24:mi:ss') " + this._tabela.Atributos[index].Nome + ", ";
}
else
{
str1 = str1 + this._tabela.Atributos[index].Nome + ", ";
}
}
if (operacao != null)
{
str1 = str1 + operacao.GerarComando("param") + " ";
}
string str2 = str1 + this._tabela.CampoGeometrico;
string str3 = "";
if (filtro != null)
{
str3 = " where " + filtro.GerarComando("fparam");
}
OracleCommand cmd1 = new OracleCommand("select count(*) from " + this._tabela.Nome + str3, (this.Fonte as FonteFeicaoOracleSpatial).Conexao);
filtro?.CarregarParametros(cmd1, "fparam");
int int32 = Convert.ToInt32(cmd1.ExecuteScalar());
this._dr = (XmlTextReader)null;
if (int32 <= 0)
{
return;
}
OracleCommand cmd2 = new OracleCommand("select " + str2 + " from " + this._tabela.Nome + str3, (this.Fonte as FonteFeicaoOracleSpatial).Conexao);
cmd2.XmlCommandType = OracleXmlCommandType.Query;
cmd2.FetchSize = 5242880L;
cmd2.CommandTimeout = 3600;
operacao?.CarregarParametros(cmd2, "param");
filtro?.CarregarParametros(cmd2, "fparam");
if (cmd2.Parameters.Count > 0)
{
cmd2.BindByName = true;
cmd2.AddRowid = true;
}
else
{
cmd2.BindByName = false;
}
this.ComandoSQL = cmd2.CommandText;
this._dr = (XmlTextReader)cmd2.ExecuteXmlReader();
this._dr.WhitespaceHandling = WhitespaceHandling.None;
do
{
;
}while (this._dr.Read() && this._dr.Name != "ROWSET");
}
public LeitorFeicaoGeo(string classeFeicao, FonteFeicao fonte)
: this(classeFeicao, fonte, (OperacaoEspacial)null, (Expressao)null)
{
}