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Improved support from removing rows in crud tabs.

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It can handle now complex selections and reports back errors encountered
when removing the rows fails.
This commit is contained in:
eelke 2018-12-15 11:24:58 +01:00
parent 950fea873c
commit 62c6ad5bfb
10 changed files with 365 additions and 116 deletions
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64
pgsql/Pgsql_PgException.h
View file

@ -1,6 +1,7 @@
#ifndef PGEXCEPTION_H
#define PGEXCEPTION_H
#include "Pgsql_ErrorDetails.h"
#include <cassert>
#include <stdexcept>
#include <utility>
@ -9,68 +10,39 @@ namespace Pgsql {
class ResultCode {
public:
explicit ResultCode(std::string result_code)
: m_resultCode(std::move(result_code))
{
assert(m_resultCode.length() == 5);
}
std::string getClass() const
{
return m_resultCode.substr(1,2);
}
/** Helper to easily check the class of the error
*
*/
bool isClass(const std::string_view cls)
{
return m_resultCode.compare(1, 2, cls);
}
const std::string& getSpecific() const
{
return m_resultCode;
}
explicit ResultCode(std::string result_code);
std::string getClass() const;
bool isClass(const std::string_view cls);
const std::string& getSpecific() const;
private:
std::string m_resultCode;
};
class PgException: public std::runtime_error {
public:
PgException(const char *msg)
: std::runtime_error(msg)
{}
PgException(std::string msg)
: std::runtime_error(msg)
{}
PgException(const char *msg);
PgException(std::string msg);
private:
};
class PgResultError: public PgException {
public:
PgResultError(std::string msg, std::string result_code)
: PgException(std::move(msg))
, m_resultCode(result_code)
{}
ResultCode getResultCode() const { return m_resultCode; }
PgResultError(const Pgsql::ErrorDetails &details);
ResultCode getResultCode() const;
const Pgsql::ErrorDetails& details() const;
private:
ResultCode m_resultCode;
Pgsql::ErrorDetails m_details;
};
class PgConnectionError: public PgResultError {
public:
PgConnectionError(const std::string &msg, std::string result_code)
: PgResultError(msg, std::move(result_code))
{}
// class PgConnectionError: public PgException {
// public:
// PgConnectionError(const std::string &msg, std::string result_code)
// : PgResultError(msg, std::move(result_code))
// {}
private:
// private:
};
// };