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Value::getAsArray function to parse array convert to correct type and

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uses inserter to fill container.

Unit tests included.
This commit is contained in:
eelke 2017-12-16 21:40:19 +01:00
parent ec930218cd
commit 2ad4a2601f
3 changed files with 55 additions and 9 deletions
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35
pgsql/Pgsql_Value.h
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@ -2,11 +2,14 @@
#define PGSQL_VALUE_H
#include "Pgsql_declare.h"
#include "ArrayParser.h"
#include <sstream>
#include <QString>
#include <QDateTime>
namespace Pgsql {
/** \brief Class that is returned as value of a cell to facilitate auto conversion.
*/
class Value {
@ -30,19 +33,35 @@ namespace Pgsql {
bool isString() const;
/**
*
* \param insert_iter An insert_iterator which is used to add the elements of the array to a container.
*/
template <typename E, typename I>
void getAsArray(I insert_iter) const
{
using value_type = E;
ArrayParser parser(m_val);
for (;;) {
auto res = parser.GetNextElem();
if (res.ok) {
std::string str(res.value->data(), res.value->length());
// std::istringstream iss(str);
Value val(str.c_str(), ANYOID);
value_type v;
// iss >> v;
v << val;
insert_iter = v;
}
else
break;
}
}
private:
const char *m_val;
Oid m_typ;
};
// void operator<<(QString &s, const Value &v);
// void operator<<(QDateTime &l, const Value &v);
// void operator<<(std::string &l, const Value &v);
// void operator<<(short &l, const Value &v);
// void operator<<(int &l, const Value &v);
// void operator<<(Oid &l, const Value &v);
// void operator<<(__int64 &l, const Value &v);
// void operator<<(bool &l, const Value &v);
template <typename T>
void operator<<(T &s, const Value &v)
{