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Revision e0e1ead8

Von Christian Ehringfeld vor fast 9 Jahren hinzugefügt

  • ID e0e1ead821f79cb33d9f212191809e4914172aa8
  • Vorgänger c599658a
  • Nachfolger e5ce87e2

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src/querybuilder.cpp
using namespace CuteEntityManager;
QueryBuilder::QueryBuilder(QSharedPointer<Schema> schema, QSharedPointer<Database> database) {
QueryBuilder::QueryBuilder(QSharedPointer<Schema> schema,
QSharedPointer<Database> database) {
this->schema = schema;
this->database = database;
}
......
}
bool QueryBuilder::createTable(const QSharedPointer<Entity> &entity) const {
return this->createTable(entity.data()->getTablename(), this->generateTableDefinition(entity));
return this->createTable(entity.data()->getTablename(),
this->generateTableDefinition(entity));
}
bool QueryBuilder::createTable(const QString &tableName, const QHash<QString, QString> &tableDefinition) const {
bool QueryBuilder::createTable(const QString &tableName,
const QHash<QString, QString> &tableDefinition) const {
bool rc = false;
this->schema.data()->containsTable(tableName) ? rc = true : rc = false;
if (!rc) {
QSqlQuery q = this->database.data()->getQuery(this->createTableQuery(tableName, tableDefinition));
QSqlQuery q = this->database.data()->getQuery(this->createTableQuery(tableName,
tableDefinition));
if (this->database.data()->transaction(q)) {
this->schema.data()->getTableSchema(tableName);
rc = true;
......
return rc;
}
QString QueryBuilder::createTableQuery(const QString &tableName, const QHash<QString, QString> &tableDefinition) const {
QString QueryBuilder::createTableQuery(const QString &tableName,
const QHash<QString, QString> &tableDefinition) const {
bool first = true;
QString s = "CREATE TABLE ";
s.append(this->schema.data()->quoteTableName(tableName).append(" (\n"));
......
} else {
s.append(", ");
}
s.append(this->schema.data()->quoteColumnName(i.key())).append(" " + this->getColumnType(i.value()));
s.append(this->schema.data()->quoteColumnName(i.key())).append(" " +
this->getColumnType(
i.value()));
++i;
}
s.append("\n);");
......
}
QString QueryBuilder::renameTable(QString tableName, QString newName) const {
return "RENAME TABLE " + this->schema.data()->quoteTableName(tableName) + " TO " + this->schema.data()->quoteTableName(
return "RENAME TABLE " + this->schema.data()->quoteTableName(
tableName) + " TO " +
this->schema.data()->quoteTableName(
newName);
}
......
return "TRUNCATE TABLE " + this->schema.data()->quoteTableName(tableName);
}
QString QueryBuilder::addColumn(QString tableName, QString columnName, QString columnType) const {
return "ALTER TABLE " + this->schema.data()->quoteTableName(tableName) + " ADD " + this->schema.data()->quoteColumnName(
QString QueryBuilder::addColumn(QString tableName, QString columnName,
QString columnType) const {
return "ALTER TABLE " + this->schema.data()->quoteTableName(
tableName) + " ADD " +
this->schema.data()->quoteColumnName(
columnName) + " " + this->getColumnType(columnType);
}
QString QueryBuilder::dropColumn(QString tableName, QString columName) const {
return "ALTER TABLE " + this->schema.data()->quoteTableName(tableName) + " DROP COLUMN " +
return "ALTER TABLE " + this->schema.data()->quoteTableName(
tableName) + " DROP COLUMN " +
this->schema.data()->quoteColumnName(columName);
}
QString QueryBuilder::renameColumn(QString tableName, QString oldName, QString newName) const {
return "ALTER TABLE " + this->schema.data()->quoteTableName(tableName) + " RENAME COLUMN " +
this->schema.data()->quoteColumnName(oldName) + " TO " + this->schema.data()->quoteColumnName(newName);
QString QueryBuilder::renameColumn(QString tableName, QString oldName,
QString newName) const {
return "ALTER TABLE " + this->schema.data()->quoteTableName(
tableName) + " RENAME COLUMN " +
this->schema.data()->quoteColumnName(oldName) + " TO " +
this->schema.data()->quoteColumnName(
newName);
}
QString QueryBuilder::alterColumn(QString tableName, QString columnName, QString newType) const {
return "ALTER TABLE " + this->schema.data()->quoteTableName(tableName) + " CHANGE " +
QString QueryBuilder::alterColumn(QString tableName, QString columnName,
QString newType) const {
return "ALTER TABLE " + this->schema.data()->quoteTableName(
tableName) + " CHANGE " +
this->schema.data()->quoteColumnName(columnName) + " " +
this->schema.data()->quoteColumnName(columnName) + this->getColumnType(newType);
}
QString QueryBuilder::addPrimaryKey(QString name, QString tableName, QStringList columns) const {
return "ALTER TABLE " + this->schema.data()->quoteTableName(tableName) + " ADD CONSTRAINT " +
this->schema.data()->quoteColumnName(name) + "PRIMARY KEY (" + this->buildColumns(columns) + " )";
QString QueryBuilder::addPrimaryKey(QString name, QString tableName,
QStringList columns) const {
return "ALTER TABLE " + this->schema.data()->quoteTableName(
tableName) + " ADD CONSTRAINT " +
this->schema.data()->quoteColumnName(name) + "PRIMARY KEY (" +
this->buildColumns(columns) + " )";
}
QString QueryBuilder::dropPrimaryKey(QString name, QString tableName) const {
return "ALTER TABLE " + this->schema.data()->quoteTableName(tableName) + " DROP CONSTRAINT " +
return "ALTER TABLE " + this->schema.data()->quoteTableName(
tableName) + " DROP CONSTRAINT " +
this->schema.data()->quoteColumnName(name);
}
QString QueryBuilder::addForeignKey(QString name, QString tableName, QStringList columns, QString refTableName,
QStringList refColumns, QString deleteConstraint, QString updateConstraint) const {
QString r = "ALTER TABLE " + this->schema.data()->quoteTableName(tableName) + "ADD CONSTRAINT " +
QString QueryBuilder::addForeignKey(QString name, QString tableName,
QStringList columns,
QString refTableName,
QStringList refColumns, QString deleteConstraint,
QString updateConstraint) const {
QString r = "ALTER TABLE " + this->schema.data()->quoteTableName(
tableName) + "ADD CONSTRAINT " +
this->schema.data()->quoteColumnName(name)
+ " FOREIGN KEY (" + this->buildColumns(columns) + ")" + " REFERENCES " + this->schema.data()->quoteTableName(
+ " FOREIGN KEY (" + this->buildColumns(columns) + ")" + " REFERENCES " +
this->schema.data()->quoteTableName(
refTableName) +
" (" + this->buildColumns(refColumns) + ")";
if (!deleteConstraint.isEmpty()) {
......
}
QString QueryBuilder::dropForeignKey(QString name, QString tableName) const {
return "ALTER TABLE " + this->schema.data()->quoteTableName(tableName) + " DROP CONSTRAINT " +
return "ALTER TABLE " + this->schema.data()->quoteTableName(
tableName) + " DROP CONSTRAINT " +
this->schema.data()->quoteColumnName(name);
}
QString QueryBuilder::createIndex(QString name, QString tableName, QStringList columns, bool unique) const {
QString s = (unique ? "CREATE UNIQUE INDEX " : "CREATE INDEX ") + this->schema.data()->quoteTableName(
QString QueryBuilder::createIndex(QString name, QString tableName,
QStringList columns,
bool unique) const {
QString s = (unique ? "CREATE UNIQUE INDEX " : "CREATE INDEX ") +
this->schema.data()->quoteTableName(
name) + " ON " + this->schema.data()->quoteTableName(tableName) + " (";
s.append(this->buildColumns(columns));
s.append(");");
......
}
QString QueryBuilder::dropIndex(QString name, QString tableName) const {
return "DROP INDEX " + this->schema.data()->quoteTableName(name) + " ON " + this->schema.data()->quoteTableName(
return "DROP INDEX " + this->schema.data()->quoteTableName(name) + " ON " +
this->schema.data()->quoteTableName(
tableName);
}
......
database = value;
}
QString QueryBuilder::buildCreateQuery(QHash<QString, QVariant>::const_iterator i,
QString QueryBuilder::buildCreateQuery(QHash<QString, QVariant>::const_iterator
i,
QHash<QString, QVariant>::const_iterator end,
QString &p1, QString &p2) const {
bool first = true;
......
return p1 + p2;
}
QHash<QString, QString> QueryBuilder::generateTableDefinition(const QSharedPointer<Entity> &entity) const {
QHash<QString, QString> QueryBuilder::generateTableDefinition(
const QSharedPointer<Entity> &entity)
const {
auto map = QHash<QString, QString>();
auto o = entity.data()->metaObject();
QHash<QString, Relation> relations = entity.data()->getRelations();
......
if (m.name() != QString("objectName") && m.isReadable()
&& !entity.data()->getTransientAttributes().contains(m.name())) {
if (m.isEnumType()) {
map.insert(m.name(), this->schema.data()->getTypeMap().data()->value(this->schema.data()->TYPE_INTEGER));
map.insert(m.name(), this->schema.data()->getTypeMap().data()->value(
this->schema.data()->TYPE_INTEGER));
} else if (relations.contains(m.name())) {
Relation r = relations.value(m.name());
if (r.getType() == RelationType::MANY_TO_ONE || (r.getType() == RelationType::ONE_TO_ONE
&& r.getMappedBy().isEmpty())) {
if (r.getType() == RelationType::MANY_TO_ONE
|| (r.getType() == RelationType::ONE_TO_ONE
&& r.getMappedBy().isEmpty())) {
map.insert(QString(m.name()) + "_id", this->schema.data()->TYPE_BIGINT);
}
} else if (entity.data()->getBLOBColumns().contains(m.name())) {
map.insert(m.name(), this->schema.data()->getTypeMap().data()->value(this->schema.data()->TYPE_BINARY));
map.insert(m.name(), this->schema.data()->getTypeMap().data()->value(
this->schema.data()->TYPE_BINARY));
} else {
map.insert(m.name(), this->transformAbstractTypeToRealDbType(this->transformTypeToAbstractDbType(m.typeName())));
map.insert(m.name(), this->transformAbstractTypeToRealDbType(
this->transformTypeToAbstractDbType(
m.typeName())));
}
}
}
......
return map;
}
QString QueryBuilder::generateManyToManyTableName(const QSharedPointer<Entity> &firstEntity,
QString QueryBuilder::generateManyToManyTableName(const QSharedPointer<Entity>
&firstEntity,
const QSharedPointer<Entity> &secondEntity) const {
return QString(firstEntity.data()->metaObject()->className()).toLower() + "_" + QString(
return QString(firstEntity.data()->metaObject()->className()).toLower() + "_" +
QString(
secondEntity.data()->metaObject()->className()).toLower();
}
QHash<QString, QHash<QString, QString>> QueryBuilder::generateRelationTables(const QSharedPointer<Entity> &entity)
QHash<QString, QHash<QString, QString>> QueryBuilder::generateRelationTables(
const QSharedPointer<Entity> &entity)
const {
auto relations = QHash<QString, QHash<QString, QString>>();
QHash<QString, Relation> m = entity.data()->getRelations();
......
if (r.getType() == MANY_TO_MANY && r.getMappedBy().isEmpty()) {
QHash<QString, QString> h = QHash<QString, QString>();
h.insert("id", this->schema.data()->TYPE_BIGPK);
h.insert(this->generateManyToManyColumnName(entity), this->schema.data()->TYPE_BIGINT);
h.insert(this->generateManyToManyColumnName(entity),
this->schema.data()->TYPE_BIGINT);
auto m = props.value(r.getPropertyName());
Entity *e = EntityInstanceFactory::createInstance(m.type());
QSharedPointer<Entity> ptr = QSharedPointer<Entity>(e);
......
return this->schema.data()->TYPE_TEXT;
}
QString QueryBuilder::transformAbstractTypeToRealDbType(QString typeName) const {
QString QueryBuilder::transformAbstractTypeToRealDbType(
QString typeName) const {
return this->schema.data()->getTypeMap().data()->value(typeName);
}
......
}
//cant believe that this could work in Qt
//https://github.com/yiisoft/yii2/blob/master/framework/db/QueryBuilder.php
QRegularExpression reg = QRegularExpression(QRegularExpression::escape("/^(\\w+)\((.+?)\\)(.*)$/"));
QRegularExpression reg = QRegularExpression(
QRegularExpression::escape("/^(\\w+)\((.+?)\\)(.*)$/"));
reg.optimize();
QRegularExpressionMatchIterator i = reg.globalMatch(type, 0, QRegularExpression::PartialPreferFirstMatch);
QRegularExpressionMatchIterator i = reg.globalMatch(type, 0,
QRegularExpression::PartialPreferFirstMatch);
short s = 0;
bool ok = false;
QString before = "";
......
ok = true;
}
if (ok) {
return before.replace(QRegularExpression::escape("/\\(.+\\)/"), "(" + i.next().captured() + ")");
return before.replace(QRegularExpression::escape("/\\(.+\\)/"),
"(" + i.next().captured() + ")");
}
s++;
}
......
* @return
*/
QSqlQuery QueryBuilder::find(const qint64 &id, const QString &tableName) const {
QSqlQuery q = this->database.data()->getQuery("SELECT * FROM " + this->schema.data()->quoteTableName(
QSqlQuery q = this->database.data()->getQuery("SELECT * FROM " +
this->schema.data()->quoteTableName(
tableName) + " WHERE id= :id LIMIT 1;");
q.bindValue(":id", id);
return q;
......
* @param ignoreID
* @return
*/
QSqlQuery QueryBuilder::findByAttributes(const QHash<QString, QVariant> &m, const QString &tableName,
QSqlQuery QueryBuilder::findByAttributes(const QHash<QString, QVariant> &m,
const QString &tableName,
const bool &ignoreID, const qint64 limit, const qint64 offset) const {
QSqlQuery q = this->database.data()->getQuery("SELECT * FROM " + this->schema.data()->quoteTableName(
QSqlQuery q = this->database.data()->getQuery("SELECT * FROM " +
this->schema.data()->quoteTableName(
tableName) + this->where(m, "AND", ignoreID) + this->limit(limit, offset));
this->bindValues(m, q, ignoreID);
return q;
}
QSqlQuery QueryBuilder::findByAttributes(const QSharedPointer<Entity> &e, bool ignoreID, const qint64 limit,
QSqlQuery QueryBuilder::findByAttributes(const QSharedPointer<Entity> &e,
bool ignoreID,
const qint64 limit,
const qint64 offset) {
QHash<QString, QVariant> values = this->getEntityAttributes(e.data()->getMetaProperties(), e);
return this->findByAttributes(values, e.data()->getTablename(), ignoreID, limit, offset);
QHash<QString, QVariant> values = this->getEntityAttributes(
e.data()->getMetaProperties(), e);
return this->findByAttributes(values, e.data()->getTablename(), ignoreID, limit,
offset);
}
QSqlQuery QueryBuilder::findAll(const QString &tableName) const {
return this->database->getQuery("SELECT * FROM " + this->schema.data()->quoteTableName(
return this->database->getQuery("SELECT * FROM " +
this->schema.data()->quoteTableName(
tableName) + ";");
}
QSqlQuery QueryBuilder::remove(const QSharedPointer<Entity> &entity) const {
QSqlQuery q = this->database->getQuery("DELETE FROM " + this->schema.data()->quoteTableName(
entity.data()->getTablename()) + " WHERE " + this->schema.data()->quoteColumnName("id") + "=:id;");
QSqlQuery q = this->database->getQuery("DELETE FROM " +
this->schema.data()->quoteTableName(
entity.data()->getTablename()) + " WHERE " +
this->schema.data()->quoteColumnName("id") + "=:id;");
q.bindValue(":id", entity.data()->getId());
return q;
}
QSqlQuery QueryBuilder::findId(const QSharedPointer<Entity> &entity) const {
QHash<QString, QVariant> values = this->getEntityAttributes(entity.data()->getMetaProperties(), entity);
QSqlQuery q = this->database.data()->getQuery("SELECT " + this->schema.data()->quoteColumnName("id") + " FROM " +
QHash<QString, QVariant> values = this->getEntityAttributes(
entity.data()->getMetaProperties(),
entity);
QSqlQuery q = this->database.data()->getQuery("SELECT " +
this->schema.data()->quoteColumnName("id")
+ " FROM " +
this->schema.data()->quoteTableName(
entity.data()->getTablename()) + this->where(values,
"AND", true) + " LIMIT 1");
......
return q;
}
QSqlQuery QueryBuilder::count(const QSharedPointer<Entity> &entity, bool ignoreID) const {
QHash<QString, QVariant> values = this->getEntityAttributes(entity.data()->getMetaProperties(), entity);
QSqlQuery q = this->database.data()->getQuery("SELECT COUNT(*) FROM " + this->schema.data()->quoteTableName(
QSqlQuery QueryBuilder::count(const QSharedPointer<Entity> &entity,
bool ignoreID) const {
QHash<QString, QVariant> values = this->getEntityAttributes(
entity.data()->getMetaProperties(),
entity);
QSqlQuery q = this->database.data()->getQuery("SELECT COUNT(*) FROM " +
this->schema.data()->quoteTableName(
entity.data()->getTablename()) + this->where(
values, "AND", ignoreID));
this->bindValues(values, q, ignoreID);
......
}
QSqlQuery QueryBuilder::count(const QString &tableName) const {
QSqlQuery q = this->database.data()->getQuery("SELECT COUNT(*) FROM " + this->schema.data()->quoteTableName(
QSqlQuery q = this->database.data()->getQuery("SELECT COUNT(*) FROM " +
this->schema.data()->quoteTableName(
tableName) + ";");
return q;
}
QSqlQuery QueryBuilder::merge(const QSharedPointer<Entity> &entity) const {
QHash<QString, QVariant> values = this->saveAttributes(entity);
QSqlQuery q = this->database.data()->getQuery("UPDATE " + this->schema.data()->quoteTableName(
QSqlQuery q = this->database.data()->getQuery("UPDATE " +
this->schema.data()->quoteTableName(
entity->getTablename()) + " SET " + this->attributes(
values) + " WHERE " + this->schema.data()->quoteColumnName("id") + "=:id;");
this->bindValues(values, q);
......
QHash<QString, QVariant> values = this->saveAttributes(entity);
values.remove("id");
QSqlQuery q = this->database.data()->getQuery();
QString p1 = "INSERT INTO " + this->schema.data()->quoteTableName(entity->getTablename()) + "(";
QString p1 = "INSERT INTO " + this->schema.data()->quoteTableName(
entity->getTablename()) + "(";
QString p2 = "VALUES(";
if (!values.isEmpty()) {
q.prepare(this->buildCreateQuery(values.constBegin(), values.constEnd(),
......
return q;
}
QSqlQuery QueryBuilder::oneToMany(const QString &tableName, const QString &attribute, const qint64 &id,
QSqlQuery QueryBuilder::oneToMany(const QString &tableName,
const QString &attribute,
const qint64 &id,
const qint64 &limit) {
QHash<QString, QVariant> values = QHash<QString, QVariant>();
values.insert(attribute, id);
return this->findByAttributes(values, tableName, false, limit);
}
QSqlQuery QueryBuilder::manyToMany(const QString &tableName, const QString &attribute, const qint64 &id,
QSqlQuery QueryBuilder::manyToMany(const QString &tableName,
const QString &attribute,
const qint64 &id,
const QString &foreignKey, const QString &foreignTable) {
QSqlQuery q = this->database.data()->getQuery();
QString sql = "SELECT " + this->schema.data()->quoteTableName(foreignTable) + ".* FROM " +
this->schema.data()->quoteTableName(tableName) + " " + this->leftJoin(foreignTable, tableName,
foreignKey) + " WHERE " + this->schema.data()->quoteColumnName(attribute) + "=:id;";
QString sql = "SELECT " + this->schema.data()->quoteTableName(
foreignTable) + ".* FROM " +
this->schema.data()->quoteTableName(tableName) + " " + this->leftJoin(
foreignTable, tableName,
foreignKey) + " WHERE " + this->schema.data()->quoteColumnName(
attribute) + "=:id;";
q.prepare(sql);
q.bindValue(":id", id);
return q;
}
QString QueryBuilder::leftJoin(const QString &foreignTable, const QString &tableName, const QString &foreignKey) {
return "LEFT JOIN " + this->schema.data()->quoteTableName(foreignTable) + " ON " +
this->schema.data()->quoteColumnName(foreignTable + ".id") + "=" + this->schema.data()->quoteColumnName(
QString QueryBuilder::leftJoin(const QString &foreignTable,
const QString &tableName,
const QString &foreignKey) {
return "LEFT JOIN " + this->schema.data()->quoteTableName(
foreignTable) + " ON " +
this->schema.data()->quoteColumnName(foreignTable + ".id") + "=" +
this->schema.data()->quoteColumnName(
tableName + "." + foreignKey);
}
......
return s;
}
QString QueryBuilder::generateManyToManyColumnName(const QSharedPointer<Entity> &entity) const {
QString QueryBuilder::generateManyToManyColumnName(const QSharedPointer<Entity>
&entity) const {
return QString(entity.data()->metaObject()->className()) + QString("_id");
}
......
return this->database.data()->getQuery();
}
QHash<QString, QVariant> QueryBuilder::saveAttributes(const QSharedPointer<Entity> &entity) const {
QHash<QString, QVariant> QueryBuilder::saveAttributes(const
QSharedPointer<Entity> &entity) const {
auto props = entity.data()->getMetaProperties();
auto values = this->getEntityAttributes(props, entity);
auto relValues = this->getManyToOneAttributes(props, entity);
......
return values;
}
QHash<QString, QVariant> QueryBuilder::getEntityAttributes(const QHash<QString, QMetaProperty> &props,
const QSharedPointer<Entity> &entity) const {
QHash<QString, QVariant> QueryBuilder::getEntityAttributes(
const QHash<QString, QMetaProperty>
&props,
const QSharedPointer<Entity> &entity) const {
Entity *e = entity.data();
auto map = QHash<QString, QVariant>();
auto transientAttrs = e->getTransientAttributes();
......
return map;
}
QHash<QString, QVariant> QueryBuilder::getManyToOneAttributes(const QHash<QString, QMetaProperty> &props,
const QSharedPointer<Entity> &entity) const {
QHash<QString, QVariant> QueryBuilder::getManyToOneAttributes(
const QHash<QString, QMetaProperty>
&props,
const QSharedPointer<Entity> &entity) const {
Entity *e = entity.data();
auto map = QHash<QString, QVariant>();
auto relations = e->getRelations();
......
if (v.canConvert<Entity *>()) {
this->insertRelationId(qvariant_cast<Entity *>(v), map, i.key());
} else if (v.canConvert<QSharedPointer<Entity>>()) {
this->insertRelationId(qvariant_cast<QSharedPointer<Entity>>(v).data(), map, i.key());
this->insertRelationId(qvariant_cast<QSharedPointer<Entity>>(v).data(), map,
i.key());
} else if (v.canConvert<QPointer<Entity>>()) {
this->insertRelationId(qvariant_cast<QPointer<Entity>>(v).data(), map, i.key());
}
......
return map;
}
void QueryBuilder::insertRelationId(const Entity *e, QHash<QString, QVariant> &map, QString relName) const {
void QueryBuilder::insertRelationId(const Entity *e,
QHash<QString, QVariant> &map,
QString relName) const {
if (e && e->getId() > -1) {
map.insert(relName + "_id", e->getId());
}
......
return r;
}
void QueryBuilder::bindValues(const QHash<QString, QVariant> &h, QSqlQuery &q, bool ignoreID) const {
void QueryBuilder::bindValues(const QHash<QString, QVariant> &h, QSqlQuery &q,
bool ignoreID) const {
QHash<QString, QVariant>::const_iterator i = h.constBegin();
while (i != h.constEnd()) {
if (!ignoreID || (ignoreID && !(i.key() == "id"))) {
......
}
}
QString QueryBuilder::where(const QSharedPointer<Entity> &entity, QString conjunction, bool ignoreID) const {
return this->where(this->getEntityAttributes(entity.data()->getMetaProperties(), entity), conjunction, ignoreID);
QString QueryBuilder::where(const QSharedPointer<Entity> &entity,
QString conjunction,
bool ignoreID) const {
return this->where(this->getEntityAttributes(entity.data()->getMetaProperties(),
entity),
conjunction, ignoreID);
}
QString QueryBuilder::where(const QHash<QString, QVariant> &m, const QString &conjunction, bool ignoreID) const {
QString QueryBuilder::where(const QHash<QString, QVariant> &m,
const QString &conjunction,
bool ignoreID) const {
if (m.size() == 0 || (ignoreID && m.contains("id") && m.size() == 1)) {
return "";
}
return " WHERE " + this->attributes(m, conjunction, ignoreID);
}
QString QueryBuilder::attributes(const QHash<QString, QVariant> &m, const QString &conjunction, bool ignoreID) const {
QString QueryBuilder::attributes(const QHash<QString, QVariant> &m,
const QString &conjunction,
bool ignoreID) const {
QString rc = "";
if (!m.isEmpty()) {
QHash<QString, QVariant>::const_iterator i = m.constBegin();

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