Files
qad/libs/sql/sql_query.cpp
peri4 d98e8c1f30 version 2.18.0
add GraphicRanges to graphic library
new graphic_analysis library
2023-07-31 20:17:34 +03:00

80 lines
1.9 KiB
C++

#include "sql_query.h"
#include <QDebug>
QAD::SQLQuery::SQLQuery(QString query_, QVariantMap params, QSqlDatabase db): q(db) {
QMapIterator<QString, QVariant> it(params);
while (it.hasNext()) {
it.next();
query_.replace("${" + it.key() + "}", it.value().toString());
}
q.prepare(query_);
it.toFront();
while (it.hasNext()) {
it.next();
q.bindValue(":" + it.key(), it.value());
}
}
QAD::SQLQuery::~SQLQuery() {}
QAD::SQLQuery::Result QAD::SQLQuery::exec(QString query_, QVariantMap params, QSqlDatabase db) {
QAD::SQLQuery::Result ret;
QAD::SQLQuery q(query_, params, db);
// qDebug() << query_ << params;
if (q.q.exec()) {
ret.ok = true;
ret.rows = q.q.numRowsAffected();
ret.insertId = q.q.lastInsertId();
ret.query = q.q;
return ret;
}
if (Singleton::instance()->fail_handler) Singleton::instance()->fail_handler(q.q.lastQuery(), params, q.q.lastError());
return ret;
}
QAD::SQLQuery::Result QAD::SQLQuery::insert(QString table, QVariantMap values, QSqlDatabase db) {
QVariantMap params;
QString qi = "INSERT INTO " + table + " (", qp, ph;
QMapIterator<QString, QVariant> it(values);
while (it.hasNext()) {
it.next();
ph = "v" + it.key();
qi += it.key();
qp += ":" + ph;
params[ph] = it.value();
if (it.hasNext()) {
qi += ",";
qp += ",";
}
}
return exec(qi + ") VALUES (" + qp + ")", params, db);
}
QAD::SQLQuery::Result QAD::SQLQuery::remove(QString table, QString filter, QSqlDatabase db) {
QString flt;
if (!filter.isEmpty()) flt = " WHERE ";
return exec("DELETE FROM " + table + flt + filter, {}, db);
}
bool QAD::SQLQuery::drop(QString table, QSqlDatabase db) {
return exec("DROP TABLE " + table, {}, db).ok;
}
void QAD::SQLQuery::setFailHandler(QAD::SQLQuery::HandlerFail h) {
Singleton::instance()->fail_handler = h;
}
QAD::SQLQuery::Singleton * QAD::SQLQuery::Singleton::instance() {
static QAD::SQLQuery::Singleton ret;
return &ret;
}