本文整理汇总了C++中Constraint::SetType方法的典型用法代码示例。如果您正苦于以下问题：C++ Constraint::SetType方法的具体用法？C++ Constraint::SetType怎么用？C++ Constraint::SetType使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Constraint的用法示例。
在下文中一共展示了Constraint::SetType方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: GetColumns
bool MySqlDbAdapter::GetColumns(Table* pTab)
{
DatabaseLayerPtr dbLayer = this->GetDatabaseLayer(wxT(""));
if (!dbLayer->IsOpen()) return NULL;
// loading columns
//TODO:SQL:
DatabaseResultSet *database = dbLayer->RunQueryWithResults(wxString::Format(wxT("SHOW COLUMNS IN `%s`.`%s`"),pTab->GetParentName().c_str(),pTab->GetName().c_str()));
while (database->Next()) {
IDbType* pType = parseTypeString(database->GetResultString(2));
if (pType) {
Column* pCol = new Column(database->GetResultString(1),pTab->GetName(), pType);
pTab->AddChild(pCol);
}
}
dbLayer->CloseResultSet(database);
//TODO:SQL:
wxString constrSql = wxT("SELECT K.CONSTRAINT_SCHEMA, K.CONSTRAINT_NAME,K.TABLE_NAME,K.COLUMN_NAME,K.REFERENCED_TABLE_NAME,K.REFERENCED_COLUMN_NAME,R.UPDATE_RULE, R.DELETE_RULE FROM information_schema.KEY_COLUMN_USAGE K LEFT JOIN information_schema.REFERENTIAL_CONSTRAINTS R ON R.CONSTRAINT_NAME = K.CONSTRAINT_NAME AND K.CONSTRAINT_SCHEMA = R.CONSTRAINT_SCHEMA WHERE K.CONSTRAINT_SCHEMA = '%s' AND K.TABLE_NAME = '%s'");
database = dbLayer->RunQueryWithResults(wxString::Format(constrSql, pTab->GetParentName().c_str(),pTab->GetName().c_str()));
while (database->Next()) {
Constraint* constr = new Constraint();
constr->SetName(database->GetResultString(wxT("CONSTRAINT_NAME")));
constr->SetLocalColumn(database->GetResultString(wxT("COLUMN_NAME")));
constr->SetType(Constraint::primaryKey);
if (database->GetResultString(wxT("REFERENCED_TABLE_NAME")) != wxT("") ) {
constr->SetType(Constraint::foreignKey);
constr->SetRefTable(database->GetResultString(wxT("REFERENCED_TABLE_NAME")));
constr->SetRefCol(database->GetResultString(wxT("REFERENCED_COLUMN_NAME")));
wxString onDelete = database->GetResultString(wxT("UPDATE_RULE"));
if (onDelete == wxT("RESTRICT")) constr->SetOnUpdate(Constraint::restrict);
if (onDelete == wxT("CASCADE")) constr->SetOnUpdate(Constraint::cascade);
if (onDelete == wxT("SET NULL")) constr->SetOnUpdate(Constraint::setNull);
if (onDelete == wxT("NO ACTION")) constr->SetOnUpdate(Constraint::noAction);
wxString onUpdate = database->GetResultString(wxT("DELETE_RULE"));
if (onUpdate == wxT("RESTRICT")) constr->SetOnDelete(Constraint::restrict);
if (onUpdate == wxT("CASCADE")) constr->SetOnDelete(Constraint::cascade);
if (onUpdate == wxT("SET NULL")) constr->SetOnDelete(Constraint::setNull);
if (onUpdate == wxT("NO ACTION")) constr->SetOnDelete(Constraint::noAction);
}
pTab->AddChild(constr);
}
dbLayer->CloseResultSet(database);
dbLayer->Close();
return true;
}示例2: CreateFKConstraint
void DatabaseCanvas::CreateFKConstraint(const DatabaseTable *fkTable, const std::vector<FKField *> &foreignKeyField)
{
Constraint* pConstr = NULL;
bool found = false;
for( std::vector<MyErdTable *>::iterator it = m_displayedTables.begin(); it < m_displayedTables.end() && !found; it ++ )
{
if( const_cast<DatabaseTable &>( (*it)->GetTable() ).GetTableName() == foreignKeyField.at( 0 )->GetReferencedTableName() )
{
found = true;
for( std::vector<FKField *>::const_iterator it4 = foreignKeyField.begin(); it4 < foreignKeyField.end(); it4++ )
{
if( ((DrawingView *) m_view)->GetViewType() == DatabaseView )
{
pConstr = new DatabaseConstraint( (*it4)->GetFKName() );
pConstr->SetLocalColumn( (*it4)->GetOriginalFieldName() );
pConstr->SetRefColumn( (*it4)->GetReferencedFieldName() );
pConstr->SetRefTable( (*it4)->GetReferencedTableName() );
pConstr->SetType( Constraint::foreignKey );
pConstr->SetFKDatabaseTable( fkTable );
pConstr->SetPGMatch( (*it4)->GetMatchOPtion() );
switch( foreignKeyField.at( 0 )->GetOnUpdateConstraint() )
{
case RESTRICT_UPDATE:
pConstr->SetOnUpdate( Constraint::restrict );
break;
case SET_NULL_UPDATE:
pConstr->SetOnUpdate( Constraint::setNull );
break;
case SET_DEFAULT_UPDATE:
case CASCADE_UPDATE:
pConstr->SetOnUpdate( Constraint::cascade );
break;
case NO_ACTION_UPDATE:
pConstr->SetOnUpdate( Constraint::noAction );
break;
}
switch( foreignKeyField.at( 0 )->GetOnDeleteConstraint() )
{
case RESTRICT_DELETE:
pConstr->SetOnUpdate( Constraint::restrict );
break;
case SET_NULL_DELETE:
pConstr->SetOnUpdate( Constraint::setNull );
break;
case SET_DEFAULT_DELETE:
case CASCADE_DELETE:
pConstr->SetOnUpdate( Constraint::cascade );
break;
case NO_ACTION_DELETE:
pConstr->SetOnUpdate( Constraint::noAction );
break;
}
(*it)->GetShapeManager()->CreateConnection( (*it)->GetId(), dynamic_cast<DrawingDocument *>( m_view->GetDocument() )->GetReferencedTable( foreignKeyField.at( 0 )->GetReferencedTableName() )->GetId(), new ErdForeignKey( pConstr, ((DrawingView *) m_view)->GetViewType(), GetDiagramManager() ), sfDONT_SAVE_STATE );
}
}
}
}
}示例3: DisplayTables
void DatabaseCanvas::DisplayTables(std::vector<wxString> &selections, wxString &query)
{
std::vector<MyErdTable *> tables = ((DrawingDocument *)m_view->GetDocument())->GetTables();
for( std::vector<MyErdTable *>::iterator it = tables.begin(); it < tables.end(); it++ )
{
if( !IsTableDisplayed( (*it)->GetTableName() ) )
{
std::vector<Field *> fields = const_cast<DatabaseTable &>( (*it)->GetTable() ).GetFields();
m_pManager.AddShape( (*it), NULL, startPoint, sfINITIALIZE, sfDONT_SAVE_STATE );
if( (*it) == tables.back() && dynamic_cast<DrawingView *>( m_view )->GetViewType() == DatabaseView )
(*it)->Select( true );
(*it)->UpdateTable();
if( dynamic_cast<DrawingView *>( m_view )->GetViewType() == QueryView )
{
for( std::vector<Field *>::iterator it1 = fields.begin(); it1 < fields.end(); it1++ )
{
dynamic_cast<DrawingView *>( m_view )->GetWherePage()->AppendField( (*it)->GetTableName() + L"." + (*it1)->GetFieldName() );
dynamic_cast<DrawingView *>( m_view )->GetHavingPage()->AppendField( (*it)->GetTableName() + L"." + (*it1)->GetFieldName() );
}
}
wxRect rect = (*it)->GetBoundingBox();
startPoint.x += 200 + rect.GetWidth();
m_displayedTables.push_back( (*it) );
}
}
for( std::vector<MyErdTable *>::iterator it1 = m_displayedTables.begin(); it1 < m_displayedTables.end(); it1++ )
{
wxString name = const_cast<DatabaseTable &>( (*it1)->GetTable() ).GetTableName();
if( std::find( selections.begin(), selections.end(), name ) == selections.end() )
selections.push_back( name );
if( dynamic_cast<DrawingView *>( m_view )->GetViewType() == QueryView )
{
query += (*it1)->GetTableName();
if( it1 != m_displayedTables.end() - 1 )
query += ", ";
}
}
if( dynamic_cast<DrawingView *>( m_view )->GetViewType() == QueryView )
query += "\n";
// Refresh();
Constraint *pConstr = NULL;
bool found = false, secondIteration = false;
for( std::vector<MyErdTable *>::iterator it2 = tables.begin(); it2 < tables.end(); it2++ )
{
std::map<int, std::vector<FKField *> > foreignKeys = const_cast<DatabaseTable &>( (*it2)->GetTable() ).GetForeignKeyVector();
for( std::map<int, std::vector<FKField *> >::iterator it3 = foreignKeys.begin(); it3 != foreignKeys.end(); it3++ )
{
// if( ((DrawingView *) m_view)->GetViewType() == DatabaseView )
// pConstr = new DatabaseConstraint( (*it3).second );
for( std::vector<FKField *>::iterator it4 = (*it3).second.begin(); it4 < (*it3).second.end(); it4++ )
{
wxString referencedTableName = (*it4)->GetReferencedTableName();
if( std::find( selections.begin(), selections.end(), referencedTableName ) != selections.end() )
{
if( found )
secondIteration = true;
if( !found )
{
query += "WHERE ";
found = true;
}
if( ((DrawingView *) m_view)->GetViewType() == QueryView )
{
pConstr = new QueryConstraint( ((DrawingView *) m_view)->GetViewType() );
pConstr->SetLocalColumn( (*it4)->GetOriginalFieldName() );
pConstr->SetRefColumn( (*it4)->GetReferencedFieldName() );
pConstr->SetRefTable( referencedTableName );
pConstr->SetType( QueryConstraint::foreignKey );
pConstr->SetFKDatabaseTable( &(*it2)->GetTable() );
dynamic_cast<QueryConstraint *>( pConstr )->SetSign( 0 );
}
if( ((DrawingView *) m_view)->GetViewType() == DatabaseView )
{
pConstr = new DatabaseConstraint( (*it4)->GetFKName() );
pConstr->SetLocalColumns( (*it4)->GetOriginalFields() );
pConstr->SetRefColumns( (*it4)->GetReferencedFields() );
pConstr->SetLocalColumn( (*it4)->GetOriginalFieldName() );
pConstr->SetRefColumn( (*it4)->GetReferencedFieldName() );
pConstr->SetRefTable( referencedTableName );
pConstr->SetType( QueryConstraint::foreignKey );
pConstr->SetFKDatabaseTable( &(*it2)->GetTable() );
pConstr->SetPGMatch( (*it4)->GetMatchOPtion() );
}
if( dynamic_cast<DrawingView *>( m_view )->GetViewType() == QueryView )
{
if( secondIteration )
query += " AND ";
query += wxString::Format( "%s.%s = %s.%s", (*it2)->GetTableName(), (*it4)->GetOriginalFieldName(), referencedTableName, (*it4)->GetReferencedFieldName() );
}
switch( (*it4)->GetOnUpdateConstraint() )
{
case RESTRICT_UPDATE:
pConstr->SetOnUpdate( Constraint::restrict );
break;
case SET_NULL_UPDATE:
pConstr->SetOnUpdate( Constraint::setNull );
break;
case SET_DEFAULT_UPDATE:
case CASCADE_UPDATE:
pConstr->SetOnUpdate( Constraint::cascade );
//.........这里部分代码省略.........
示例4: GetColumns
bool PostgreSqlDbAdapter::GetColumns(Table* pTab) {
if (pTab) {
// SetDatabase(pTab->GetParentName());
DatabaseLayerPtr dbLayer = this->GetDatabaseLayer(pTab->GetParentName());
if (!dbLayer->IsOpen()) return NULL;
// loading columns
//TODO:SQL:
//DatabaseResultSet *database = dbLayer->RunQueryWithResults(wxString::Format(wxT("SHOW COLUMNS IN `%s`.`%s`"),pTab->getParentName().c_str(),pTab->getName().c_str()));
DatabaseResultSet *database = dbLayer->RunQueryWithResults(wxString::Format(wxT("SELECT * FROM information_schema.columns WHERE table_name = '%s'"),pTab->GetName().c_str()));
while (database->Next()) {
IDbType* pType = parseTypeString(database->GetResultString(wxT("data_type")));
if (pType) {
pType->SetSize(database->GetResultInt(wxT("numeric_precision")));
pType->SetSize2(database->GetResultInt(wxT("numeric_precision_radix")));
pType->SetNotNull(database->GetResultString(wxT("is_nullable")) == wxT("NO"));
Column* pCol = new Column(database->GetResultString(wxT("column_name")),pTab->GetName(), pType);
pTab->AddChild(pCol);
}
}
dbLayer->CloseResultSet(database);
//wxT("SELECT tc.constraint_name, tc.constraint_type, tc.table_name, kcu.column_name, tc.is_deferrable, tc.initially_deferred, rc.match_option AS match_type, rc.update_rule AS on_update, rc.delete_rule AS on_delete, ccu.table_name AS references_table, ccu.column_name AS references_field FROM information_schema.table_constraints tc LEFT JOIN information_schema.key_column_usage kcu ON tc.constraint_catalog = kcu.constraint_catalog AND tc.constraint_schema = kcu.constraint_schema AND tc.constraint_name = kcu.constraint_name LEFT JOIN information_schema.referential_constraints rc ON tc.constraint_catalog = rc.constraint_catalog AND tc.constraint_schema = rc.constraint_schema AND tc.constraint_name = rc.constraint_name LEFT JOIN information_schema.constraint_column_usage ccu ON rc.unique_constraint_catalog = ccu.constraint_catalog AND rc.unique_constraint_schema = ccu.constraint_schema AND rc.unique_constraint_name = ccu.constraint_name WHERE tc.table_name = '%s'");
//TODO:SQL:
wxString constrSql = wxT("SELECT tc.constraint_name, tc.constraint_type, tc.table_name, kcu.column_name, tc.is_deferrable, tc.initially_deferred, rc.match_option AS match_type, rc.update_rule AS on_update, rc.delete_rule AS on_delete, ccu.table_name AS references_table, ccu.column_name AS references_field FROM information_schema.table_constraints tc LEFT JOIN information_schema.key_column_usage kcu ON tc.constraint_catalog = kcu.constraint_catalog AND tc.constraint_schema = kcu.constraint_schema AND tc.constraint_name = kcu.constraint_name LEFT JOIN information_schema.referential_constraints rc ON tc.constraint_catalog = rc.constraint_catalog AND tc.constraint_schema = rc.constraint_schema AND tc.constraint_name = rc.constraint_name LEFT JOIN information_schema.constraint_column_usage ccu ON rc.unique_constraint_catalog = ccu.constraint_catalog AND rc.unique_constraint_schema = ccu.constraint_schema AND rc.unique_constraint_name = ccu.constraint_name WHERE tc.table_name = '%s'");
database = dbLayer->RunQueryWithResults(wxString::Format(constrSql, pTab->GetName().c_str()));
while (database->Next()) {
if ((database->GetResultString(wxT("constraint_type")) == wxT("PRIMARY KEY"))||(database->GetResultString(wxT("constraint_type")) == wxT("FOREIGN KEY"))) {
Constraint* constr = new Constraint();
constr->SetName(database->GetResultString(wxT("constraint_name")));
constr->SetLocalColumn(database->GetResultString(wxT("column_name")));
constr->SetType(Constraint::primaryKey);
if (database->GetResultString(wxT("references_table")) != wxT("") ) {
constr->SetType(Constraint::foreignKey);
constr->SetRefTable(database->GetResultString(wxT("references_table")));
constr->SetRefCol(database->GetResultString(wxT("references_field")));
wxString onDelete = database->GetResultString(wxT("on_update"));
if (onDelete == wxT("RESTRICT")) constr->SetOnUpdate(Constraint::restrict);
if (onDelete == wxT("CASCADE")) constr->SetOnUpdate(Constraint::cascade);
if (onDelete == wxT("SET NULL")) constr->SetOnUpdate(Constraint::setNull);
if (onDelete == wxT("NO ACTION")) constr->SetOnUpdate(Constraint::noAction);
wxString onUpdate = database->GetResultString(wxT("on_delete"));
if (onUpdate == wxT("RESTRICT")) constr->SetOnDelete(Constraint::restrict);
if (onUpdate == wxT("CASCADE")) constr->SetOnDelete(Constraint::cascade);
if (onUpdate == wxT("SET NULL")) constr->SetOnDelete(Constraint::setNull);
if (onUpdate == wxT("NO ACTION")) constr->SetOnDelete(Constraint::noAction);
}
pTab->AddChild(constr);
}
}
dbLayer->CloseResultSet(database);
dbLayer->Close();
}
return true;
}