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I am using Poco 1.12.4 to connect PostgreSQL using ODBC .
#include <Poco/Data/ODBC/Connector.h>
#include <Poco/Data/MySQL/Connector.h>
#include <Poco/Data/Session.h>
#include <Poco/Data/Statement.h>
#include <Poco/Data/RecordSet.h>
#include <iostream>
#include <Poco/Exception.h>
using namespace Poco::Data::Keywords;
int main()
{
try
{
Poco::Data::ODBC::Connector::registerConnector();
std::stringstream connect_str;
std::string con_str = "Driver={PostgreSQL};Server=127.0.0.1;Port=5432;Databas=postgres;Uid=postgres;Pwd=123ABCdef;";
Poco::Data::Session session("ODBC", con_str);
Poco::Data::Statement st(session);
try
{
int id;
std::string file_path = "超长文件名称的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上粉色的方法的沙发上.docx";
st << "select id from \"test_bind\" where file_path = ?", use(file_path), into(id), now;
std::cout << id << std::endl;
}
catch (const Poco::Exception &ex)
{
std::cerr << ex.displayText() << '\n';
}
}
catch (const Poco::Exception &ex)
{
std::cerr << "Error: " << ex.displayText() << std::endl;
}
Poco::Data::ODBC::Connector::unregisterConnector();
return 0;
}create table sql
CREATE TABLE IF NOT EXISTS TEST_BIND (
ID BIGSERIAL NOT NULL,
FILE_PATH VARCHAR(1024) DEFAULT NULL
);
output:
Data too long : Error binding column 0 size=467 ,max size=255
question:
how to bind string longer than 255 using odbc?
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