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visit method for table result

This commit is contained in:
Hamed Masafi 2018-01-15 01:42:46 +03:30
parent 4b0e3e4371
commit f0717cc05b
12 changed files with 149 additions and 126 deletions
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2
src/changelogtable.h
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@ -38,7 +38,7 @@ class ChangeLogTable : public Table
NUT_DECLARE_FIELD(QString, version, version, setVersion)
public:
ChangeLogTable(QObject *tableSet = Q_NULLPTR);
ChangeLogTable(QObject *parentTableSet = Q_NULLPTR);
};
NUT_END_NAMESPACE

4
src/generators/sqlgeneratorbase.cpp
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@ -215,7 +215,7 @@ QString SqlGeneratorBase::join(const QString &mainTable,
.arg((*i)->localColumn));
if (order != Q_NULLPTR)
order->append(mainTable + "." + (*i)->slaveTable->primaryKey());
order->append((*i)->slaveTable->name() + "." + (*i)->slaveTable->primaryKey());
} else {
ret.append(QString(" INNER JOIN %3 ON %1.%2 = %3.%4")
.arg(mainTable)
@ -224,7 +224,7 @@ QString SqlGeneratorBase::join(const QString &mainTable,
.arg((*i)->masterTable->primaryKey()));
if (order != Q_NULLPTR)
order->append(mainTable + "." + (*i)->masterTable->primaryKey());
order->append((*i)->masterTable->name() + "." + (*i)->masterTable->primaryKey());
}
}
return ret;

208
src/query.h
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@ -145,120 +145,130 @@ Q_OUTOFLINE_TEMPLATE QList<T *> Query<T>::toList(int count)
return returnList;
}
QSet<QString> relatedTables;
QSet<TableModel*> relatedTables;
relatedTables << d->database->model().tableByName(d->tableName);
foreach (RelationModel *rel, d->relations)
relatedTables << rel->slaveTable->name() << rel->masterTable->name();
relatedTables << rel->slaveTable << rel->masterTable;
QSet<QString> childTables, masterTables;
QMap<QString, Table*> lastClassRow;
foreach (RelationModel *rel, d->relations) {
childTables.insert(rel->slaveTable->name());
masterTables.insert(rel->masterTable->name());
}
foreach (QString ch, childTables) {
if (masterTables.contains(ch))
childTables.remove(ch);
}
qDebug() << "TABLES:";
qDebug() << childTables;
qDebug() << masterTables;
struct LevelData{
QVariant keyValue;
TableSetBase *tableSet;
RelationModel *relation;
QList<int> masters;
QList<int> slaves;
QString key;
QString className;
QString tableName;
int typeId;
QString keyFiledname;
QVariant lastKeyValue;
TableModel *table;
Table *lastRow;
};
QVector<LevelData> levels;
QList<RelationModel*>::iterator i;
for (int i = 0; i < d->relations.count(); ++i) {
QSet<QString> importedTables;
auto add_table = [&](int i, TableModel* table) {
if (importedTables.contains(table->name()))
return;
importedTables.insert(table->name());
LevelData data;
data.relation = d->relations[i];
qDebug() <<"relation" << data.relation->masterTable->name() << data.relation->slaveTable->name();
data.key = data.relation->slaveTable->name() + "." + data.relation->localColumn;
data.className = data.relation->slaveTable->className();
data.typeId = d->relations[i]->slaveTable->typeId();
data.tableName = data.relation->slaveTable->name();
data.table = table;
data.keyFiledname = data.table->name() + "." + data.table->primaryKey();
data.lastKeyValue = QVariant();
data.tableSet = 0;
for (int j = 0; j < i; ++j) {
if (d->relations[i]->masterTable->name() == d->relations[j]->slaveTable->name()) {
data.masters.append(j);
levels[i].slaves.append(i);
}
}
levels.append(data);
}
qDebug()<<"count="<<levels.count();
QSet<QString> masters;
foreach (RelationModel *rel, d->relations)
if (rel->slaveTable->name() == table->name())
masters.insert(rel->masterTable->name());
/*for (int i = d->joins.count() - 1; i >= 0; i--) {
QString className = d->joins[i];
// foreach (QString className, d->joins) {
LevelData data;
data.className = className;
TableModel *m = d->database->model().tableByClassName(className);
if (!m) {
qWarning("Model '%s' not found!!!", qPrintable(className));
return returnList;
}
data.key = m->name() + "." + m->primaryKey();
data.typeId = m->typeId();
data.keyValue = QVariant();
data.tableSet = 0;
data.tableName = m->name();
levels.append(data);
}*/
while (q.next()) {
qDebug() << "HAS";
int p = levels.count();
while (p) {
for (int i = 0; i < levels.count(); i++) {
LevelData &data = levels[i];
qDebug() << "level"<<i << data.className;
--p;
if (/*!data.tableSet ||*/ data.keyValue != q.value(data.key)) {
data.keyValue = q.value(data.key);
//create table row
Table *table;
if (data.className == d->className) {
table = new T();
table->setTableSet(d->tableSet);
returnList.append(dynamic_cast<T*>(table));
} else {
const QMetaObject *childMetaObject
= QMetaType::metaObjectForType(data.typeId);
table = qobject_cast<Table *>(childMetaObject->newInstance());
}
QStringList childFields
= d->database->model().tableByClassName(data.className)->fieldsNames();
foreach (QString field, childFields)
table->setProperty(field.toLatin1().data(),
q.value(data.tableName + "." + field));
table->setStatus(Table::FeatchedFromDB);
table->setParent(this);
table->clear();
qDebug() << "table created" << table;
//set last created row
data.lastRow = table;
for (int j = 0; j < levels.count(); ++j) {
LevelData &dt = levels[j];
qDebug() <<"[check]"<<table->name() << dt.table->name();
foreach (QString m, masters)
if (dt.table->name() == m) {
data.masters.append(j);
dt.slaves.append(i);
}
}
}
qDebug() << data.table->name() <<"added";
levels.append(data);
};
for (int i = 0; i < d->relations.count(); ++i) {
RelationModel *rel = d->relations[i];
add_table(i, rel->masterTable);
add_table(i, rel->slaveTable);
}
QVector<bool> checked;
checked.reserve(levels.count());
for (int i = 0; i < levels.count(); ++i)
checked.append(false);
qDebug() << "Elapsed time:" << QString("%1ms").arg(t.elapsed() / 1000.);
while (q.next()) {
checked.fill(false);
int p = levels.count();
qDebug() << "p is"<<p;
int n = -1;
int lastP = p;
while (p) {
// Q_ASSERT(p != lastP);
// if (p == lastP)
// qFatal("NULL Loop detected");
n = (++n) % levels.count();
if (checked[n])
continue;
LevelData &data = levels[n];
// check if key value is changed
if (data.lastKeyValue == q.value(data.keyFiledname)) {
--p;
continue;
}
// check if master if current table has processed
foreach (int m, data.masters)
if (!checked[m])
continue;
checked[n] = true;
--p;
data.lastKeyValue = q.value(data.keyFiledname);
//create table row
Table *table;
if (data.table->className() == d->className) {
table = new T();
table->setParentTableSet(d->tableSet);
returnList.append(dynamic_cast<T*>(table));
} else {
const QMetaObject *childMetaObject
= QMetaType::metaObjectForType(data.table->typeId());
table = qobject_cast<Table *>(childMetaObject->newInstance());
qDebug() << data.table->name() <<"created";
}
QStringList childFields = data.table->fieldsNames();
foreach (QString field, childFields)
table->setProperty(field.toLatin1().data(),
q.value(data.table->name() + "." + field));
foreach (int master, data.masters) {
table->setParentTableSet(levels[master].lastRow->childTableSet(data.table->className()));
qDebug() << data.table->name() << "added to" << levels[master].table->name();
}
table->setStatus(Table::FeatchedFromDB);
table->setParent(this);
table->clear();
qDebug() << "table created" << table;
//set last created row
data.lastRow = table;
lastP = p;
} //while
} // while
if (m_autoDelete)
deleteLater();

22
src/table.cpp
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@ -34,7 +34,7 @@ Table::Table(QObject *parent) : QObject(parent)
void Table::add(TableSetBase *t)
{
this->tableSets.insert(t);
this->childTableSets.insert(t);
}
@ -119,15 +119,23 @@ bool Table::setParentTable(Table *master)
return false;
}
TableSetBase *Table::tableSet() const
TableSetBase *Table::parentTableSet() const
{
return _tableSet;
return _parentTableSet;
}
void Table::setTableSet(TableSetBase *parent)
void Table::setParentTableSet(TableSetBase *parent)
{
_tableSet = parent;
_tableSet->add(this);
_parentTableSet = parent;
_parentTableSet->add(this);
}
TableSetBase *Table::childTableSet(const QString &name) const
{
foreach (TableSetBase *t, childTableSets)
if (t->childClassName() == name)
return t;
return Q_NULLPTR;
}
int Table::save(Database *db)
@ -137,7 +145,7 @@ int Table::save(Database *db)
if(status() == Added && isPrimaryKeyAutoIncrement())
setProperty(primaryKey().toLatin1().data(), q.lastInsertId());
foreach(TableSetBase *ts, tableSets)
foreach(TableSetBase *ts, childTableSets)
ts->save(db);
setStatus(FeatchedFromDB);

12
src/table.h
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@ -38,7 +38,7 @@ class NUT_EXPORT Table : public QObject
Q_OBJECT
public:
explicit Table(QObject *tableSet = 0);
explicit Table(QObject *parentTableSet = 0);
enum Status{
NewCreated,
@ -56,8 +56,10 @@ public:
Status status() const;
void setStatus(const Status &status);
TableSetBase *tableSet() const;
void setTableSet(TableSetBase *tableSet);
TableSetBase *parentTableSet() const;
void setParentTableSet(TableSetBase *parentTableSet);
TableSetBase *childTableSet(const QString &name) const;
QSet<QString> changedProperties() const;
@ -73,9 +75,9 @@ private:
Status _status;
QSet<QString> _changedProperties;
//TODO: is this removable?
TableSetBase *_tableSet;
TableSetBase *_parentTableSet;
QSet<TableSetBase*> tableSets;
QSet<TableSetBase*> childTableSets;
void clear();
void add(TableSetBase *);

2
src/tableset.h
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@ -109,7 +109,7 @@ Q_OUTOFLINE_TEMPLATE void TableSet<T>::append(T *t)
_tables.insert(t);
_tablesList.append(t);
// rows.append(t);
t->setTableSet(this);
t->setParentTableSet(this);
if(t->status() != Table::FeatchedFromDB)
t->setStatus(Table::Added);
}

3
test/common/comment.cpp
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@ -1,6 +1,7 @@
#include "comment.h"
Comment::Comment(QObject *parent) : Table(parent)
Comment::Comment(QObject *parent) : Table(parent),
m_author(Q_NULLPTR), m_post(Q_NULLPTR)
{
}

2
test/common/comment.h
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@ -25,7 +25,7 @@ class Comment : public Table
NUT_FOREGION_KEY(User, int, author, author, setAuthor)
public:
Q_INVOKABLE explicit Comment(QObject *tableSet = 0);
Q_INVOKABLE explicit Comment(QObject *parentTableSet = 0);
};
Q_DECLARE_METATYPE(Comment*)

2
test/common/post.h
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@ -31,7 +31,7 @@ class Post : public Table
NUT_DECLARE_CHILD_TABLE(Score, scores)
public:
Q_INVOKABLE Post(QObject *tableSet = 0);
Q_INVOKABLE Post(QObject *parentTableSet = 0);
signals:

2
test/common/user.h
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@ -32,7 +32,7 @@ class User : public Nut::Table
NUT_DECLARE_CHILD_TABLE(Score, scores)
public:
Q_INVOKABLE User(QObject *tableSet = 0);
Q_INVOKABLE User(QObject *parentTableSet = 0);
};
Q_DECLARE_METATYPE(User*)

14
test/join/jointest.cpp
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@ -51,17 +51,19 @@ void JoinTest::join()
// Comment *comment = q->first();
auto comments = q->toList();
// Comment *comment = q->toList().first();
qDebug() << q->sqlCommand();
QTEST_ASSERT(comments.length());
QTEST_ASSERT(comments[0]->author());
QTEST_ASSERT(comments[0]->author()->username() == "admin");
// qDebug() << q->sqlCommand();
PRINT(comments.length());
// QTEST_ASSERT(comments.length());
// QTEST_ASSERT(comments[0]->author());
// QTEST_ASSERT(comments[0]->author()->username() == "admin");
}
void JoinTest::join2()
{
auto q = db.users()->query()
->join<Score>()
->join<Post>();
->join<Comment>()
->join<Score>();
// Comment *comment = q->first();
auto comments = q->toList();

2
test/join/jointest.h
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@ -19,8 +19,8 @@ signals:
private slots:
void initTestCase();
void join2();
void join();
void join2();
};
#endif // JOINTEST_H