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Added delete support to the CRUD system.

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This commit is contained in:
eelke 2018-04-08 09:02:22 +02:00
parent 36f5153091
commit 8c20bd6a02
8 changed files with 230 additions and 89 deletions
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18
pgsql/Pgsql_Params.cpp
View file

@ -52,25 +52,26 @@ Params::~Params()
deleteValues();
}
void Params::addText(const char *data, Oid oid)
Param Params::addText(const char *data, Oid oid)
{
m_paramTypes.push_back(oid);
m_paramValues.push_back(data);
m_paramLengths.push_back(data ? strlen(data) + 1 : 0);
m_paramFormats.push_back(0);
return Param(*this, m_paramValues.size() - 1);
}
void Params::add(const QString &s, Oid oid)
Param Params::add(const QString &s, Oid oid)
{
auto ba = s.toUtf8();
const int len = ba.size();
char * p = new char[len+1];
std::memcpy(p, ba.data(), len);
p[len] = 0;
addText(p, oid);
return addText(p, oid);
}
void Params::add(const char *data, Oid oid)
Param Params::add(const char *data, Oid oid)
{
char * p = nullptr;
int len = 0;
@ -80,11 +81,12 @@ void Params::add(const char *data, Oid oid)
std::memcpy(p, data, len);
p[len] = 0;
}
return addText(p, oid);
m_paramTypes.push_back(oid);
m_paramValues.push_back(p);
m_paramLengths.push_back(len);
m_paramFormats.push_back(0);
// m_paramTypes.push_back(oid);
// m_paramValues.push_back(p);
// m_paramLengths.push_back(len);
// m_paramFormats.push_back(0);
}
//void Params::addBinary(const char *data, int length, Oid oid)

25
pgsql/Pgsql_Params.h
View file

@ -10,6 +10,21 @@
namespace Pgsql {
class Params;
class Param {
public:
Param(Params &params, int index)
: params(params)
, index(index)
{}
int getIndex() const { return index; }
private:
Params &params;
int index;
};
class Params {
public:
Params();
@ -20,11 +35,11 @@ namespace Pgsql {
~Params();
void add(const QString &s, Oid oid=varchar_oid);
void add(const char *data, Oid oid=varchar_oid);
void add(boost::optional<std::string> s, Oid oid=varchar_oid)
Param add(const QString &s, Oid oid=varchar_oid);
Param add(const char *data, Oid oid=varchar_oid);
Param add(boost::optional<std::string> s, Oid oid=varchar_oid)
{
add(s ? s->c_str() : nullptr, oid);
return add(s ? s->c_str() : nullptr, oid);
}
//void addBinary(const char *data, int length, Oid oid);
void clear();
@ -58,7 +73,7 @@ namespace Pgsql {
*
* The class takes ownership of data and will try to delete[] it.
*/
void addText(const char *data, Oid oid=VARCHAROID);
Param addText(const char *data, Oid oid=VARCHAROID);
};
} // end namespace Pgsql