CL-Softwares
/
PowerModeler
8
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

完成属性信息读取逻辑

This commit is contained in:
duanshengchao 2025-04-01 16:45:30 +08:00
parent f5aa607369
commit e0f33eb2de
5 changed files with 70 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/attributeTableModel.h
View File

@ -58,7 +58,7 @@ public:
void lastPage();
//数据操作
void setTable(const QString&);
//void setTable(const QString&);
void refresh();
void insertRecord(int);
void removeRecord(int);

14
include/global.h
View File

@ -74,13 +74,23 @@ struct Model
struct Attribute
{
int id = -1;
int id;
QString name; //中文展示名称(filed:attribute_name)
QString type; //英文表示名称(filed:attribute),不可重名
int dataTypeID;
int dataLength = -1; //filed:length_precision
int dataLength; //filed:length_precision
QString defaultValue;
Attribute()
{
id = -1;
name = "";
type = "";
dataTypeID = -1;
dataLength = -1;
defaultValue = "";
}
Attribute(int id, QString name, QString type, int dataTypeID, int dataLength, QString defaultVaule)
:id(id),
name(std::move(name)),

3
include/sqlQueryExecutor.h
View File

@ -33,7 +33,8 @@ public:
bool modelTypeExistsInDB(const QString&, const QString&);
bool removeModel(const QString&, int);
//属性相关
int getAttributeCount(const QString&, const QString&);
int getAttributeCount(const QString&, int, int);
bool getAtrributeInfo(const QString&, const QString&, Attribute&);
bool batchInserAttributis(const QString&, int, int, QList<Attribute>);
signals:

43
source/attributeTableModel.cpp
View File

@ -14,6 +14,7 @@ AttributeTableModel::AttributeTableModel(const ModelAttributeGroup& modelAttribu
getDataTypes();
iniDisplayField();
refresh();
}
AttributeTableModel::~AttributeTableModel()
@ -219,34 +220,40 @@ void AttributeTableModel::loadPageData()
{
m_currentPageData.clear();
if (m_tableName.isEmpty())
/*if (m_tableName.isEmpty())
{
LOG_ERROR("DB", QString("Attribute table name is empty, load data failed"));
return;
}
}*/
beginResetModel();
QStringList columns;
for(int i = 0; i < m_displayField.count(); i++)
columns << m_displayField.at(i).originalName;
QString strSQL = QString("SELECT %1 FROM %2 LIMIT %3 OFFSET %4")
.arg(columns.join(", "))
.arg(m_tableName)
QString strSQL = QString("SELECT attribute_id FROM basic.model_attribute WHERE model_type_id = %1 AND attribute_group_id = %2 LIMIT %3 OFFSET %4")
.arg(m_modelAttributeGroup.modelID)
.arg(m_modelAttributeGroup.groupID)
.arg(m_paginationInfo.entriesPerPage)
.arg((m_paginationInfo.currentPage - 1) * m_paginationInfo.entriesPerPage);
try
{
QStringList columns;
for(int i = 0; i < m_displayField.count(); i++)
columns << m_displayField.at(i).originalName;
QSqlQuery query = SqlQueryExecutor::instance().executeSQL(m_connection, strSQL);
while(query.next())
{
RowData data;
//data.record = query.record();
for(int i = 0; i < m_displayField.count(); i++)
Attribute attribute;
attribute.id = query.value(0).toInt();
if(SqlQueryExecutor::instance().getAtrributeInfo(m_connection, columns.join(", "), attribute))
{
data.values.append(query.value(i));
RowData data;
data.values.append(attribute.type);
data.values.append(attribute.name);
data.values.append(attribute.dataTypeID);
data.values.append(attribute.dataLength);
data.values.append(attribute.defaultValue);
m_currentPageData.append(data);
}
m_currentPageData.append(data);
}
}
catch (const DatabaseException& e)
@ -319,13 +326,13 @@ void AttributeTableModel::lastPage()
void AttributeTableModel::updateTotalCount()
{
if (m_tableName.isEmpty())
/*if (m_tableName.isEmpty())
{
LOG_ERROR("SQL", QString::fromWCharArray(L"属性表名称为空，获取属性数量失败"));
return;
}
}*/
m_paginationInfo.totalEntries = SqlQueryExecutor::instance().getAttributeCount(m_connection, m_tableName);
m_paginationInfo.totalEntries = SqlQueryExecutor::instance().getAttributeCount(m_connection, m_modelAttributeGroup.modelID, m_modelAttributeGroup.groupID);
}
QList<AttributeTableModel::RowData> AttributeTableModel::filterRowsByEditState(EditState state)
@ -339,7 +346,7 @@ QList<AttributeTableModel::RowData> AttributeTableModel::filterRowsByEditState(E
return result;
}
void AttributeTableModel::setTable(const QString& tableName)
/*void AttributeTableModel::setTable(const QString& tableName)
{
if(m_tableName == tableName)
return;
@ -347,7 +354,7 @@ void AttributeTableModel::setTable(const QString& tableName)
m_tableName = tableName;
m_modifiedRows.clear();
refresh();
}
}*/
void AttributeTableModel::refresh()
{

33
source/sqlQueryExecutor.cpp
View File

@ -65,10 +65,10 @@ QSqlQuery SqlQueryExecutor::executeSQL(const QString& connectionName, const QStr
}
catch (const DatabaseException& e)
{
LOG_INFO("DB", QString("DB Rollback"));
// 错误处理：回滚事务（如果已开启）
if(transactionStarted)
{
LOG_INFO("DB", QString("DB Rollback"));
if(!db.rollback()) // 回滚失败时记录警告
{
LOG_ERROR("DB", QString("Rollback failed. connectionName: %1. error: %2").arg(connectionName, db.lastError().databaseText()));
@ -403,10 +403,10 @@ const QString SqlQueryExecutor::getArributeGropuName(const QString& connectionNa
return name;
}
int SqlQueryExecutor::getAttributeCount(const QString& connectionName, const QString& tableName)
int SqlQueryExecutor::getAttributeCount(const QString& connectionName, int modelID, int groupID)
{
int count = 0;
QString strSQL = QString("SELECT COUNT(*) FROM %1").arg(tableName);
QString strSQL = QString("SELECT COUNT(*) FROM basic.model_attribute WHERE model_type_id = %1 AND attribute_group_id = %2").arg(modelID).arg(groupID);
try
{
QSqlQuery query = executeSQL(connectionName, strSQL);
@ -416,11 +416,38 @@ int SqlQueryExecutor::getAttributeCount(const QString& connectionName, const QSt
catch (const DatabaseException& e)
{
LOG_ERROR("SQL", QString::fromWCharArray(L"获取属性数量失败"));
return 0;
}
return count;
}
bool SqlQueryExecutor::getAtrributeInfo(const QString& connectionName, const QString& columns, Attribute& attribute)
{
QString strSQL = QString("SELECT %1 FROM basic.attribute WHERE id = %2").arg(columns).arg(attribute.id);
try
{
QSqlQuery query = executeSQL(connectionName, strSQL);
if(query.next())
{
attribute.type = query.value(0).toString();
attribute.name = query.value(1).toString();
attribute.dataTypeID = query.value(2).toInt();
attribute.dataLength = query.value(3).toInt();
attribute.defaultValue = query.value(4).toString();
}
else
return false;
}
catch (const DatabaseException& e)
{
LOG_ERROR("SQL", QString::fromWCharArray(L"获取属性数量失败"));
return false;
}
return true;
}
bool SqlQueryExecutor::batchInserAttributis(const QString& connectionName, int modelID, int attributeGroupID, QList<Attribute> attributes)
{
//属于批量操作，需要开启事务