WIP: SQL for creating table and related objects

pglab/ConstraintModel.cpp

@@ -24,7 +24,7 @@ void ConstraintModel::setData(std::shared_ptr<const PgDatabaseCatalog> cat, cons
 		std::sort(m_constraints.begin(), m_constraints.end(),
 				  [] (auto &l, auto &r) {
 						return l.type < r.type ||
-							(l.type == r.type && l.name < r.name);
+							(l.type == r.type && l.objectName() < r.objectName());
 			});
 	}
 	else
@@ -131,10 +131,10 @@ QVariant ConstraintModel::getData(const QModelIndex &index) const
 		s = IconForConstraintType(t.type);
 		break;
 	case NameCol:
-		s = t.name;
+		s = t.objectName();
 		break;
 	case NsCol:
-		s = getNamespaceDisplayString(*m_catalog, t.connamespace);
+		s = t.nsName();
 		break;
 	case SupportingIndexCol:
 		s = getIndexDisplayString(*m_catalog, t.indid);

pglab/TablesPage.cpp

@@ -9,6 +9,7 @@
 #include "IconColumnDelegate.h"
 #include "IndexModel.h"
 #include "MainWindow.h"
+#include "PgIndexContainer.h"
 #include "PgLabItemDelegate.h"
 #include "PropertiesPage.h"
 #include "ResultTableModelUtil.h"
@@ -17,6 +18,7 @@
 #include "TablesTableModel.h"
 #include "TriggerPage.h"
 #include "UserConfiguration.h"
+#include "SqlCodePreview.h"
 #include <QStringBuilder>
 #include <boost/container/flat_set.hpp>
 
@@ -86,7 +88,6 @@ TablesPage::TablesPage(MainWindow *parent)
 	m_propertiesPage = new PropertiesPage(this);
 	m_propertiesPage->setSourceModel(m_tablesModel);
 	ui->twDetails->addTab(m_propertiesPage, "");
-
 	connect(ui->tableListTable->selectionModel(), &QItemSelectionModel::currentRowChanged,
 			m_propertiesPage, &PropertiesPage::setActiveRow);
 
@@ -94,6 +95,10 @@ TablesPage::TablesPage(MainWindow *parent)
 	m_triggerPage = new TriggerPage(this);
 	ui->twDetails->addTab(m_triggerPage, "");
 
+	// SQL tab
+	m_sqlCodePreview = new SqlCodePreview(this);
+	ui->twDetails->addTab(m_sqlCodePreview, "");
+
 	retranslateUi(false);
 }
 
@@ -103,9 +108,15 @@ void TablesPage::retranslateUi(bool all)
 	if (all)
 		ui->retranslateUi(this);
 
-	ui->twDetails->setTabText(ui->twDetails->indexOf(m_columnsPage), QApplication::translate("TablesPage", "Columns", nullptr));
-	ui->twDetails->setTabText(ui->twDetails->indexOf(m_propertiesPage), QApplication::translate("TablesPage", "Properties", nullptr));
-	ui->twDetails->setTabText(ui->twDetails->indexOf(m_triggerPage), QApplication::translate("TablesPage", "Triggers", nullptr));
+	auto set_tabtext = [this] (QWidget *widget, QString translation) {
+		ui->twDetails->setTabText(ui->twDetails->indexOf(widget), translation);
+	};
+
+	set_tabtext(m_columnsPage, QApplication::translate("TablesPage", "Columns", nullptr));
+	set_tabtext(m_propertiesPage, QApplication::translate("TablesPage", "Properties", nullptr));
+	set_tabtext(m_triggerPage, QApplication::translate("TablesPage", "Triggers", nullptr));
+	set_tabtext(m_sqlCodePreview, QApplication::translate("TablesPage", "SQL", nullptr));
+
 }
 
 TablesPage::~TablesPage()
@@ -166,8 +177,9 @@ void TablesPage::selectedTableChanged(const std::optional<PgClass> &table)
 	ui->indexesTable->resizeColumnsToContents();
 
 	m_triggerPage->setFilter(table);
-}
 
+	updateSqlTab(table);
+}
 
 void TablesPage::constraintsTable_selectionChanged(const QItemSelection &/*selected*/, const QItemSelection &/*deselected*/)
 {
@@ -181,7 +193,7 @@ void TablesPage::constraintsTable_selectionChanged(const QItemSelection &/*selec
 	for (auto rij : rijen) {
 		const PgConstraint constraint = m_constraintModel->constraint(rij);
 		drops += getDropConstraintDefinition(*m_catalog, constraint) % "\n";
-		creates += getConstraintDefinition(*m_catalog, constraint) % "\n";
+		creates += getAlterTableConstraintDefinition(*m_catalog, constraint) % "\n";
 	}
 	ui->constraintSqlEdit->setPlainText(drops % "\n" % creates);
 }
@@ -202,8 +214,8 @@ void TablesPage::indexesTable_selectionChanged(const QItemSelection &/*selected*
 	QString creates;
 	for (auto rij : rijen) {
 		const PgIndex index = m_indexModel->getIndex(rij);
-		drops += getDropIndexDefinition(*m_catalog, index) % "\n";
-		creates += getIndexDefinition(*m_catalog, index) % "\n";
+		drops += index.dropSql() % "\n";
+		creates += index.createSql() % "\n";
 	}
 	ui->indexSqlEdit->setPlainText(drops % "\n" % creates);
 
@@ -222,3 +234,40 @@ void TablesPage::on_tableListTable_doubleClicked(const QModelIndex &index)
 	}
 
 }
+
+void TablesPage::updateSqlTab(const std::optional<PgClass> &table)
+{
+	if (!table.has_value()) {
+		m_sqlCodePreview->clear();
+		return;
+	}
+
+	QString drop_sql;
+	QString create_sql;
+	// create table
+	create_sql += table->createSql();
+	// - columns
+	// - constraints
+	// table details (inherits etc)
+
+	// Indexes
+	drop_sql += "-- drop Indexes\n";
+	create_sql += "-- create Indexes\n";
+	auto && indexes = m_catalog->indexes()->getIndexesForTable(table->oid());
+	for (auto && index : indexes) {
+		drop_sql += index.dropSql() % "\n";
+		create_sql += index.createSql() % "\n";
+	}
+
+	// Triggers
+	drop_sql += "-- drop Triggers\n";
+	create_sql += "-- create Triggers\n";
+
+	// Privileges
+	create_sql += "-- set Privileges\n";
+
+	// Comments
+	create_sql += "-- set Comments table + columns\n";
+	//
+	m_sqlCodePreview->setPlainText(drop_sql % "\n\n" % create_sql);
+}

pglab/TablesPage.h

@@ -21,6 +21,7 @@ class MainWindow;
 class PropertiesPage;
 class TriggerPage;
 class PgClass;
+class SqlCodePreview;
 
 class TablesPage : public QWidget
 {
@@ -40,6 +41,7 @@ private:
 	PropertiesPage *m_propertiesPage;
 //	QWidget *m_triggerTab;
 	TriggerPage *m_triggerPage;
+	SqlCodePreview *m_sqlCodePreview;
 	std::shared_ptr<PgDatabaseCatalog>  m_catalog;
 	TablesTableModel* m_tablesModel = nullptr;
 	ColumnTableModel* m_columnsModel = nullptr;
@@ -51,6 +53,7 @@ private:
 //	QWidget* addDetailTab(QWidget *contents, bool infront = false);
 
 	void selectedTableChanged(const std::optional<PgClass> &table);
+	void updateSqlTab(const std::optional<PgClass> &table);
 private slots:
 
 	void tableListTable_currentRowChanged(const QModelIndex &current, const QModelIndex &previous);

pglab/TablesTableModel.cpp

@@ -139,7 +139,7 @@ QVariant TablesTableModel::getData(const QModelIndex &index) const
 	const auto &t = m_tables[index.row()];
 	switch (index.column()) {
 	case NameCol:       return t.objectName();
-	case NamespaceCol:  return t.nsName(); //getNamespaceDisplayString(*m_catalog, t.relnamespace);
+	case NamespaceCol:  return t.nsName();
 	case OwnerCol:      return t.ownerName();
 	case TablespaceCol: return getTablespaceDisplayString(*m_catalog, t.tablespace);
 	case OptionsCol:	break;