156 lines
2.4 KiB
C++
156 lines
2.4 KiB
C++
#include "Pgsql_Result.h"
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using namespace Pgsql;
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Result::Result(PGresult *res)
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: result(res)
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{
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if (res == nullptr) {
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throw std::runtime_error("Passing nullptr to Result::Result is not allowed");
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}
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}
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Result::~Result()
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{
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PQclear(result);
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}
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Result::Result(Result &&rhs)
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: result(rhs.result)
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{
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rhs.result = nullptr;
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}
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Result& Result::operator=(Result &&rhs)
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{
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if (result) {
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PQclear(result);
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}
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result = rhs.result;
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rhs.result = nullptr;
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return *this;
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}
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Result::operator bool() const
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{
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return result != nullptr;
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}
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ExecStatusType Result::resultStatus()
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{
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return PQresultStatus(result);
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}
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std::string Result::getResStatus()
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{
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// return PQresStatus(result);
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return "";
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}
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std::string Result::diagSqlState()
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{
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std::string s(PQresultErrorField(result, PG_DIAG_SQLSTATE));
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return s;
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}
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ErrorDetails Result::diagDetails()
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{
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return ErrorDetails::createErrorDetailsFromPGresult(result);
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}
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int Result::tuplesAffected() const
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{
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int i;
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char * res = PQcmdTuples(result);
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if (res && res[0] != '\0') {
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try {
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i = std::stoi(res);
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}
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catch (std::invalid_argument& ) {
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i = -1;
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}
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catch (std::out_of_range& ) {
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i = -1;
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}
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}
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else {
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i = -1;
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}
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return i;
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}
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int Result::rows() const
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{
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return PQntuples(result);
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}
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int Result::cols() const
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{
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return PQnfields(result);
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}
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const char * Result::getColName(int idx) const
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{
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return PQfname(result, idx);
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}
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inline void Result::colRangeCheck(int col) const
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{
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if (col < 0 || col >= cols())
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throw std::range_error("column index out of range");
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}
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inline void Result::rowRangeCheck(int row) const
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{
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if (row < 0 || row >= rows())
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throw std::range_error("row index out of range");
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}
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const char * Result::val(int col, int row) const
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{
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colRangeCheck(col);
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rowRangeCheck(row);
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return PQgetvalue(result, row, col);
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}
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Value Result::get(int col, int row) const
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{
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colRangeCheck(col);
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rowRangeCheck(row);
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bool is_null = PQgetisnull(result, row, col);
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char *ptr = is_null ? nullptr : PQgetvalue(result, row, col);
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return Value(
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ptr,
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PQftype(result, col)
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);
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}
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Oid Result::type(int col) const
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{
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colRangeCheck(col);
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return PQftype(result, col);
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}
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bool Result::null(int col, int row) const
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{
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colRangeCheck(col);
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rowRangeCheck(row);
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return PQgetisnull(result, row, col);
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}
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Oid Result::ftable(int col) const
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{
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colRangeCheck(col);
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return PQftable(result, col);
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}
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int Result::ftableCol(int col) const
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{
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colRangeCheck(col);
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return PQftablecol(result, col);
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}
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