PgAttribute loading + ColummnTableModel

Required enchancement to PgContainer to make multifield key work.

.gitignore

@@ -3,3 +3,4 @@ build/*
 *.kdev4
 .kdev4/*
 
+DIST/

pglab/ColumnTableModel.cpp

@@ -0,0 +1,149 @@
+#include "ColumnTableModel.h"
+#include "PgDatabaseCatalog.h"
+#include "PgAttribute.h"
+#include "PgAttributeContainer.h"
+#include "PgType.h"
+#include "PgTypeContainer.h"
+#include "ScopeGuard.h"
+#include <QBrush>
+
+void ColumnTableModel::setData(std::shared_ptr<const PgDatabaseCatalog> cat, Oid table_oid)
+{
+	beginResetModel();
+	SCOPE_EXIT { endResetModel(); };
+
+	m_catalog = cat;
+	m_columns = cat->attributes()->getColumnsForRelation(table_oid);
+
+	// hide system columns
+	m_columns.erase(std::remove_if(m_columns.begin(),  m_columns.end(),
+				[](auto &e) { return e.num <= 0; } ),
+				m_columns.end());
+
+	// sort remaining columns by order in table
+	std::sort(m_columns.begin(), m_columns.end(),
+			  [] (auto &l, auto &r) -> bool { return l.num < r.num; });
+}
+
+QVariant ColumnTableModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+	QVariant v;
+	if (orientation == Qt::Horizontal) {
+		if (role == Qt::DisplayRole) {
+			QString c;
+			switch (section) {
+			case NameCol:
+				c = tr("Name");
+				break;
+			case TypeCol:
+				c = tr("Type");
+				break;
+			case NullCol:
+				c = tr("Nullable");
+				break;
+			case DefaultCol:
+				c = tr("Default");
+				break;
+			case CollationCol:
+				c = tr("Collation");
+				break;
+			}
+			v = c;
+		}
+	}
+
+	return v;
+}
+
+int ColumnTableModel::rowCount(const QModelIndex &parent) const
+{
+	return m_columns.size();
+}
+
+int ColumnTableModel::columnCount(const QModelIndex &parent) const
+{
+	return colCount;
+}
+
+Oid ColumnTableModel::getType(int column) const
+{
+	Oid oid = Pgsql::VARCHAROID;
+//	switch (column) {
+//	case TypeCol:
+//	case NameCol:
+//	case NullCol:
+//	case DefaultCol:
+//	case CollationCol:
+//		oid = VARCHAROID;
+//		break;
+
+//		c = tr("Collation");
+//		break;
+//	}
+	return oid;
+}
+
+QVariant ColumnTableModel::getData(const QModelIndex &index) const
+{
+	QVariant v;
+	const auto &t = m_columns[index.row()];
+	QString s;
+	switch (index.column()) {
+	case NameCol:
+		s = t.name;
+		break;
+	case TypeCol:
+		s = getTypeDisplayString(*m_catalog, t.typid);
+		break;
+	case NullCol:
+		s = t.notnull ? "NOT NULL" : "";
+		break;
+	case DefaultCol:
+		s = "";
+		break;
+	case CollationCol:
+		s = ""; //t.collation;
+		break;
+	}
+	v = s;
+
+	return v;
+}
+
+QVariant ColumnTableModel::data(const QModelIndex &index, int role) const
+{
+	if (role == Qt::ForegroundRole && index.column() == TypeCol) {
+		QVariant v;
+		const auto &t = m_columns[index.row()];
+		auto c = m_catalog->types()->getByKey(t.typid);
+		switch (c.category) {
+		case TypCategory::Boolean:
+			v = QBrush(Qt::darkGreen);
+			break;
+		case TypCategory::Numeric:
+			v = QBrush(Qt::darkBlue);
+			break;
+		case TypCategory::DateTime:
+		case TypCategory::Timespan:
+			v = QBrush(Qt::darkMagenta);
+			break;
+		case TypCategory::String:
+			v = QBrush(Qt::darkYellow);
+			break;
+		case TypCategory::Array:
+		case TypCategory::Composite:
+		case TypCategory::Enum:
+		case TypCategory::Geometric:
+		case TypCategory::NetworkAddress:
+		case TypCategory::Pseudo:
+		case TypCategory::Range:
+		case TypCategory::UserDefined:
+		case TypCategory::BitString:
+		case TypCategory::Unknown:
+		default:
+			v = QBrush(Qt::black);
+		}
+		return v;
+	}
+	return BaseTableModel::data(index, role);
+}

pglab/ColumnTableModel.h

@@ -0,0 +1,44 @@
+#ifndef COLUMNTABLEMODEL_H
+#define COLUMNTABLEMODEL_H
+
+#include "BaseTableModel.h"
+#include <memory>
+
+class PgDatabaseCatalog;
+class PgAttribute;
+
+class ColumnTableModel: public BaseTableModel {
+public:
+	enum e_Columns : int {
+		NameCol, ///
+		TypeCol,
+		NullCol,
+		DefaultCol,
+		CollationCol,
+
+		colCount };
+
+
+	using BaseTableModel::BaseTableModel;
+	void setData(std::shared_ptr<const PgDatabaseCatalog> cat, Oid table_oid);
+
+	// Header:
+	QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+
+	// Basic functionality:
+	int rowCount(const QModelIndex &parent) const override;
+	int columnCount(const QModelIndex &parent) const override;
+
+	QVariant data(const QModelIndex &index, int role) const override;
+protected:
+	virtual Oid getType(int column) const override;
+	virtual QVariant getData(const QModelIndex &index) const override;
+
+	using t_Columns = std::vector<PgAttribute>;
+
+	std::shared_ptr<const PgDatabaseCatalog> m_catalog;
+	t_Columns m_columns;
+
+};
+
+#endif // COLUMNTABLEMODEL_H

pglab/MainWindow.cpp

@@ -40,12 +40,6 @@ QueryTab* MainWindow::newSqlPage()
 	ui->tabWidget->addTab(qt, "Tab");
 	ui->tabWidget->setCurrentWidget(qt);
 	qt->newdoc();
-
-	auto tt = new TablesPage(this);
-	tt->setCatalog(m_database->catalogue());
-	ui->tabWidget->addTab(tt, "Tables");
-	ui->tabWidget->setCurrentWidget(tt);
-
 	return qt;
 }
 
@@ -68,6 +62,12 @@ void MainWindow::setConfig(const ConnectionConfig &config)
 	QString title = "pglab - ";
 	title += m_config.name().c_str();
 	setWindowTitle(title);
+
+	auto tt = new TablesPage(this);
+	tt->setCatalog(m_database->catalogue());
+	ui->tabWidget->addTab(tt, "Tables");
+	ui->tabWidget->setCurrentWidget(tt);
+
 	newSqlPage();
 }
 

pglab/PgAttribute.cpp

@@ -0,0 +1,2 @@
+#include "PgAttribute.h"
+

pglab/PgAttribute.h

@@ -0,0 +1,35 @@
+#ifndef PGATTRIBUTE_H
+#define PGATTRIBUTE_H
+
+#include "Pgsql_declare.h"
+#include <QString>
+#include <libpq-fe.h>
+#include <tuple>
+
+class PgAttribute {
+public:
+	using Key = std::tuple<Oid, int16_t>;
+
+	// Oid oid = InvalidOid;
+	Oid relid = InvalidOid;
+	QString name;
+	Oid typid = InvalidOid;
+	int32_t stattarget = 0;
+	int16_t num = 0;
+	int32_t ndims = 0; // array dimensions
+	int32_t typmod = -1;
+	bool notnull = false;
+	bool hasdef = false;
+	Oid collation = InvalidOid;
+	QString acl;
+	QString options;
+
+
+	bool operator==(Key _k) const { return relid == std::get<0>(_k) && num == std::get<1>(_k); }
+	bool operator==(const QString &n) const { return name == n; }
+	bool operator<(Key _k) const { return relid < std::get<0>(_k) || (relid == std::get<0>(_k) && num < std::get<1>(_k)); }
+	bool operator<(const PgAttribute &rhs) const { return relid < rhs.relid || (relid == rhs.relid && num < rhs.num); }
+
+};
+
+#endif // PGATTRIBUTE_H

pglab/PgAttributeContainer.cpp

@@ -0,0 +1,30 @@
+#include "PgAttributeContainer.h"
+#include "Pgsql_Col.h"
+
+std::string PgAttributeContainer::getLoadQuery() const
+{
+	return
+		"SELECT attrelid, attname, atttypid, attstattarget, \n"
+		"    attnum, attndims, atttypmod, attnotnull, atthasdef, \n"
+		"    attcollation, attacl, attoptions \n"
+		"  FROM pg_catalog.pg_attribute";
+}
+
+PgAttribute PgAttributeContainer::loadElem(const Pgsql::Row &row)
+{
+	Pgsql::Col col(row);
+	PgAttribute v;
+	col >> v.relid >> v.name >> v.typid >> v.stattarget
+			>> v.num >> v.ndims >> v.typmod >> v.notnull >> v.hasdef
+			>> v.collation >> v.acl >> v.options;
+	return v;
+}
+
+std::vector<PgAttribute> PgAttributeContainer::getColumnsForRelation(Oid oid) const
+{
+	std::vector<PgAttribute> result;
+	for (const auto &e : m_container)
+		if (e.relid == oid)
+			result.push_back(e);
+	return result;
+}

pglab/PgAttributeContainer.h

@@ -0,0 +1,20 @@
+#ifndef PGATTRIBUTECONTAINER_H
+#define PGATTRIBUTECONTAINER_H
+
+#include "PgContainer.h"
+#include "PgAttribute.h"
+#include "Pgsql_declare.h"
+#include <vector>
+
+class PgAttributeContainer : public PgContainer<PgAttribute, PgAttribute::Key> {
+public:
+	using PgContainer<PgAttribute, PgAttribute::Key>::PgContainer;
+
+	virtual std::string getLoadQuery() const override;
+
+	std::vector<PgAttribute> getColumnsForRelation(Oid oid) const;
+protected:
+	PgAttribute loadElem(const Pgsql::Row &row) override;
+};
+
+#endif // PGATTRIBUTECONTAINER_H

pglab/PgClassContainer.cpp

@@ -12,22 +12,14 @@ std::string PgClassContainer::getLoadQuery() const
 		"FROM pg_catalog.pg_class";
 }
 
-void PgClassContainer::load(const Pgsql::Result &res)
+PgClass PgClassContainer::loadElem(const Pgsql::Row &row)
 {
-	const int n_rows = res.rows();
+	Pgsql::Col col(row);
-	m_container.clear();
+	PgClass v;
-	m_container.reserve(n_rows);
+	col >> v.oid >> v.name >> v.relnamespace >> v.type >> v.oftype
-	for (auto row : res) {
+		>> v.owner >> v.am >> v.filenode >> v.tablespace >> v.pages_est
-		Pgsql::Col col(row);
+		>> v.tuples_est >> v.toastrelid >> v.isshared >> v.persistence
-		PgClass v;
+		>> v.kind >> v.hasoids >> v.ispopulated >> v.frozenxid >> v.minmxid
-		col >> v.oid >> v.name >> v.relnamespace >> v.type >> v.oftype
+		>> v.acl >> v.options;
-			>> v.owner >> v.am >> v.filenode >> v.tablespace >> v.pages_est
+	return v;
-			>> v.tuples_est >> v.toastrelid >> v.isshared >> v.persistence
-			>> v.kind >> v.hasoids >> v.ispopulated >> v.frozenxid >> v.minmxid
-			>> v.acl >> v.options;
-
-		m_container.push_back(v);
-	}
-	std::sort(m_container.begin(), m_container.end());
-
 }

pglab/PgClassContainer.h

@@ -16,8 +16,8 @@ public:
 	using PgContainer<PgClass>::PgContainer;
 
 	virtual std::string getLoadQuery() const override;
-	virtual void load(const Pgsql::Result &res) override;
+protected:
-
+	PgClass loadElem(const Pgsql::Row &row) override;
 private:
 };
 

pglab/PgContainer.cpp

@@ -0,0 +1,2 @@
+#include "PgContainer.h"
+

pglab/PgContainer.h

@@ -2,6 +2,7 @@
 #define PGCONTAINER_H
 
 #include "Pgsql_declare.h"
+#include "Pgsql_Result.h"
 #include <QString>
 #include <memory>
 #include <vector>
@@ -18,7 +19,7 @@ public:
 	virtual void load(const Pgsql::Result &res) = 0;
 };
 
-template<typename T>
+template<typename T, typename K=Oid>
 class PgContainer: public IPgContainter {
 public:
 	using t_Container = std::vector<T>; ///< Do not assume it will stay a vector only expect bidirectional access
@@ -48,10 +49,10 @@ public:
 		return (int)m_container.size();
 	}
 
-	const T& getByOid(Oid oid) const
+	const T& getByKey(const K &key) const
 	{
-		auto lb_result = std::lower_bound(m_container.begin(), m_container.end(), oid);
+		auto lb_result = std::lower_bound(m_container.begin(), m_container.end(), key);
-		if (lb_result != m_container.end() && lb_result->oid == oid)
+		if (lb_result != m_container.end() && *lb_result == key)
 			return *lb_result;
 
 		return m_invalidInstance;
@@ -71,9 +72,30 @@ public:
 	{
 		return m_container.at(idx);
 	}
+
+	/** Override to implement complete loading logic.
+	 *
+	 * Do not override this function if you only want to implement
+	 * the loading of a single element. Override loadElem instead.
+	 */
+	virtual void load(const Pgsql::Result &res) override
+	{
+		m_container.clear();
+		m_container.reserve(res.rows());
+		for (auto row : res)
+			m_container.push_back(loadElem(row));
+
+		std::sort(m_container.begin(), m_container.end());
+	}
 protected:
 	std::weak_ptr<PgDatabaseCatalog> m_catalogue;
 	t_Container m_container;
+
+	/** Override the implementation for this function to implement loading of single row.
+	 *
+	 * When overriding this function there is no need to override load.
+	 */
+	virtual T loadElem(const Pgsql::Row &) { return T(); }
 private:
 	T m_invalidInstance;
 

pglab/PgDatabaseCatalog.cpp

@@ -1,8 +1,11 @@
 #include "PgDatabaseCatalog.h"
-#include "PgTypeContainer.h"
+
-#include "PgDatabaseContainer.h"
+#include "PgAttributeContainer.h"
 #include "PgAuthIdContainer.h"
 #include "PgClassContainer.h"
+#include "PgDatabaseContainer.h"
+#include "PgNamespaceContainer.h"
+#include "PgTypeContainer.h"
 #include "Pgsql_Connection.h"
 
 
@@ -11,7 +14,7 @@ QString getRoleNameFromOid(const PgDatabaseCatalog &cat, Oid oid)
 	QString name;
 	auto auth_ids = cat.authIds();
 	if (auth_ids) {
-		const PgAuthId& auth_id = auth_ids->getByOid(oid);
+		const PgAuthId& auth_id = auth_ids->getByKey(oid);
 		if (auth_id.valid()) {
 			name = auth_id.name;
 		}
@@ -22,13 +25,15 @@ QString getRoleNameFromOid(const PgDatabaseCatalog &cat, Oid oid)
 QString getRoleDisplayString(const PgDatabaseCatalog &cat, Oid oid)
 {
 	QString name = getRoleNameFromOid(cat, oid);
-	return QString("%1 (%2)").arg(name).arg(oid);
+	return name;
+//	return QString("%1 (%2)").arg(name).arg(oid);
 }
 
 QString getNamespaceDisplayString(const PgDatabaseCatalog &cat, Oid oid)
 {
 	//QString name;
-//	auto c = cat.();
+	auto nss = cat.namespaces();
+	auto ns = nss->getByKey(oid);
 //	if (auth_ids) {
 //		const PgAuthId& auth_id = auth_ids->getByOid(oid);
 //		if (auth_id.valid()) {
@@ -37,7 +42,7 @@ QString getNamespaceDisplayString(const PgDatabaseCatalog &cat, Oid oid)
 //	}
 	//return name;
 	// TODO load list and lookup name
-	return QString("ns %1").arg(oid);
+	return ns.name; //QString("ns %1").arg(oid);
 
 }
 
@@ -47,6 +52,13 @@ QString getTablespaceDisplayString(const PgDatabaseCatalog &cat, Oid oid)
 	return QString("ts %1").arg(oid);
 }
 
+QString getTypeDisplayString(const PgDatabaseCatalog &cat, Oid oid)
+{
+	auto tc = cat.types();
+	auto t = tc->getByKey(oid);
+	return t.name;
+}
+
 
 PgDatabaseCatalog::PgDatabaseCatalog()
 {
@@ -59,10 +71,13 @@ PgDatabaseCatalog::~PgDatabaseCatalog()
 void PgDatabaseCatalog::loadAll(Pgsql::Connection &conn)
 {
 	loadInfo(conn);
-	loadTypes(conn);
+
-	loadDatabases(conn);
+	loadAttributes(conn);
 	loadAuthIds(conn);
 	loadClasses(conn);
+	loadDatabases(conn);
+	loadNamespaces(conn);
+	loadTypes(conn);
 }
 
 void PgDatabaseCatalog::loadInfo(Pgsql::Connection &conn)
@@ -89,20 +104,12 @@ void load(Pgsql::Connection &conn, IPgContainter &pg_cont)
 
 }
 
-void PgDatabaseCatalog::loadTypes(Pgsql::Connection &conn)
+void PgDatabaseCatalog::loadAttributes(Pgsql::Connection &conn)
 {
-	if (!m_types)
+	if (!m_attributes)
-		m_types = std::make_shared<PgTypeContainer>(shared_from_this());
+		m_attributes = std::make_shared<PgAttributeContainer>(shared_from_this());
 
-	load(conn, *m_types);
+	load(conn, *m_attributes);
-}
-
-void PgDatabaseCatalog::loadDatabases(Pgsql::Connection &conn)
-{
-	if (!m_databases)
-		m_databases = std::make_shared<PgDatabaseContainer>(shared_from_this());
-
-	load(conn, *m_databases);
 }
 
 void PgDatabaseCatalog::loadAuthIds(Pgsql::Connection &conn)
@@ -121,6 +128,31 @@ void PgDatabaseCatalog::loadClasses(Pgsql::Connection &conn)
 	load(conn, *m_classes);
 }
 
+void PgDatabaseCatalog::loadDatabases(Pgsql::Connection &conn)
+{
+	if (!m_databases)
+		m_databases = std::make_shared<PgDatabaseContainer>(shared_from_this());
+
+	load(conn, *m_databases);
+}
+
+void PgDatabaseCatalog::loadNamespaces(Pgsql::Connection &conn)
+{
+	if (!m_namespaces)
+		m_namespaces = std::make_shared<PgNamespaceContainer>(shared_from_this());
+
+	load(conn, *m_namespaces);
+}
+
+void PgDatabaseCatalog::loadTypes(Pgsql::Connection &conn)
+{
+	if (!m_types)
+		m_types = std::make_shared<PgTypeContainer>(shared_from_this());
+
+	load(conn, *m_types);
+}
+
+
 const QString& PgDatabaseCatalog::serverVersionString() const
 {
 	return m_serverVersionString;
@@ -131,14 +163,9 @@ int PgDatabaseCatalog::serverVersion() const
 	return m_serverVersion;
 }
 
-std::shared_ptr<const PgTypeContainer> PgDatabaseCatalog::types() const
+std::shared_ptr<const PgAttributeContainer> PgDatabaseCatalog::attributes() const
 {
-	return m_types;
+	return m_attributes;
-}
-
-std::shared_ptr<const PgDatabaseContainer> PgDatabaseCatalog::databases() const
-{
-	return m_databases;
 }
 
 std::shared_ptr<const PgAuthIdContainer> PgDatabaseCatalog::authIds() const
@@ -150,3 +177,19 @@ std::shared_ptr<const PgClassContainer> PgDatabaseCatalog::classes() const
 {
 	return m_classes;
 }
+
+std::shared_ptr<const PgDatabaseContainer> PgDatabaseCatalog::databases() const
+{
+	return m_databases;
+}
+
+std::shared_ptr<const PgNamespaceContainer> PgDatabaseCatalog::namespaces() const
+{
+	return m_namespaces;
+}
+
+std::shared_ptr<const PgTypeContainer> PgDatabaseCatalog::types() const
+{
+	return m_types;
+}
+

pglab/PgDatabaseCatalog.h

@@ -12,9 +12,11 @@ namespace Pgsql {
 
 }
 
+class PgAttributeContainer;
 class PgAuthIdContainer;
 class PgClassContainer;
 class PgDatabaseContainer;
+class PgNamespaceContainer;
 class PgTypeContainer;
 
 class PgDatabaseCatalog: public std::enable_shared_from_this<PgDatabaseCatalog> {
@@ -27,32 +29,41 @@ public:
 
 
 	void loadAll(Pgsql::Connection &conn);
-	void loadInfo(Pgsql::Connection &conn);
+
-	void loadTypes(Pgsql::Connection &conn);
+	void loadAttributes(Pgsql::Connection &conn);
-	void loadDatabases(Pgsql::Connection &conn);
 	void loadAuthIds(Pgsql::Connection &conn);
 	void loadClasses(Pgsql::Connection &conn);
+	void loadDatabases(Pgsql::Connection &conn);
+	void loadInfo(Pgsql::Connection &conn);
+	void loadNamespaces(Pgsql::Connection &conn);
+	void loadTypes(Pgsql::Connection &conn);
 
 	const QString& serverVersionString() const;
 	int serverVersion() const;
 
-	std::shared_ptr<const PgTypeContainer> types() const;
+	std::shared_ptr<const PgAttributeContainer> attributes() const;
-	std::shared_ptr<const PgDatabaseContainer> databases() const;
 	std::shared_ptr<const PgAuthIdContainer> authIds() const;
 	std::shared_ptr<const PgClassContainer> classes() const;
+	std::shared_ptr<const PgDatabaseContainer> databases() const;
+	std::shared_ptr<const PgNamespaceContainer> namespaces() const;
+	std::shared_ptr<const PgTypeContainer> types() const;
 private:
 	QString m_serverVersionString;
 	int m_serverVersion;
-	std::shared_ptr<PgTypeContainer> m_types;
+
-	std::shared_ptr<PgDatabaseContainer> m_databases;
+	std::shared_ptr<PgAttributeContainer> m_attributes;
 	std::shared_ptr<PgAuthIdContainer> m_authIds;
 	std::shared_ptr<PgClassContainer> m_classes;
+	std::shared_ptr<PgDatabaseContainer> m_databases;
+	std::shared_ptr<PgNamespaceContainer> m_namespaces;
+	std::shared_ptr<PgTypeContainer> m_types;
 };
 
 QString getRoleNameFromOid(const PgDatabaseCatalog &cat, Oid oid);
 QString getRoleDisplayString(const PgDatabaseCatalog &cat, Oid oid);
 QString getNamespaceDisplayString(const PgDatabaseCatalog &cat, Oid oid);
 QString getTablespaceDisplayString(const PgDatabaseCatalog &cat, Oid oid);
+QString getTypeDisplayString(const PgDatabaseCatalog &cat, Oid oid);
 
 
 #endif // PGSQLDATABASECATALOGUE_H

pglab/PgNamespace.cpp

@@ -2,3 +2,8 @@
 
 PgNamespace::PgNamespace() = default;
 
+bool PgNamespace::isSystemCatalog() const
+{
+	return name == "pg_catalog"
+			|| name == "information_schema";
+}

pglab/PgNamespace.h

@@ -4,14 +4,21 @@
 #include <QString>
 #include <libpq-fe.h>
 
-class PgNamespace
+class PgNamespace {
-{
 public:
 	PgNamespace();
 
+	Oid oid = InvalidOid;
 	QString name;
 	Oid owner = InvalidOid;
 	QString acl;
+
+	bool operator==(Oid _oid) const { return oid == _oid; }
+	bool operator==(const QString &n) const { return name == n; }
+	bool operator<(Oid _oid) const { return oid < _oid; }
+	bool operator<(const PgNamespace &rhs) const { return oid < rhs.oid; }
+
+	bool isSystemCatalog() const;
 };
 
 #endif // PGNAMESPACE_H

pglab/PgNamespaceContainer.cpp

@@ -0,0 +1,23 @@
+#include "PgNamespaceContainer.h"
+#include "Pgsql_Col.h"
+#include "Pgsql_Result.h"
+#include "Pgsql_Value.h"
+
+std::string PgNamespaceContainer::getLoadQuery() const
+{
+	return "SELECT oid, nspname, nspowner, nspacl FROM pg_catalog.pg_namespace";
+}
+
+void PgNamespaceContainer::load(const Pgsql::Result &res)
+{
+	const int n_rows = res.rows();
+	m_container.clear();
+	m_container.reserve(n_rows);
+	for (auto row : res) {
+		Pgsql::Col col(row);
+		PgNamespace v;
+		col >> v.oid >> v.name >> v.owner >> v.acl;
+		m_container.push_back(v);
+	}
+	std::sort(m_container.begin(), m_container.end());
+}

pglab/PgNamespaceContainer.h

@@ -0,0 +1,24 @@
+#ifndef PGNAMESPACECONTAINER_H
+#define PGNAMESPACECONTAINER_H
+
+#include "PgNamespace.h"
+#include "PgContainer.h"
+
+namespace Pgsql {
+
+	class Result;
+
+}
+
+class PgNamespaceContainer: public PgContainer<PgNamespace> {
+public:
+	using PgContainer<PgNamespace>::PgContainer;
+
+	virtual std::string getLoadQuery() const override;
+	virtual void load(const Pgsql::Result &res) override;
+
+private:
+};
+
+
+#endif // PGNAMESPACECONTAINER_H

pglab/PgType.cpp

@@ -1,5 +1,56 @@
 #include "PgType.h"
 #include "Pgsql_Connection.h"
 
+void operator<<(TypCategory &s, const Pgsql::Value &v)
+{
+	//s = static_cast<T>(v);
+	const char *c = v.c_str();
+	switch (*c) {
+	case 'A':
+		s = TypCategory::Array;
+		break;
+	case 'B':
+		s = TypCategory::Boolean;
+		break;
+	case 'D':
+		s = TypCategory::DateTime;
+		break;
+	case 'E':
+		s = TypCategory::Enum;
+		break;
+	case 'G':
+		s = TypCategory::Geometric;
+		break;
+	case 'I':
+		s = TypCategory::NetworkAddress;
+		break;
+	case 'N':
+		s = TypCategory::Numeric;
+		break;
+	case 'P':
+		s = TypCategory::Pseudo;
+		break;
+	case 'R':
+		s = TypCategory::Range;
+		break;
+	case 'S':
+		s = TypCategory::String;
+		break;
+	case 'T':
+		s = TypCategory::Timespan;
+		break;
+	case 'U':
+		s = TypCategory::UserDefined;
+		break;
+	case 'V':
+		s = TypCategory::BitString;
+		break;
+	case 'X':
+		s = TypCategory::Unknown;
+		break;
+	}
+}
+
+
 PgType::PgType() = default;
 

pglab/PgType.h

@@ -3,19 +3,41 @@
 
 #include <QString>
 #include <libpq-fe.h>
+#include "Pgsql_Value.h"
+
+enum class TypCategory {
+	Array,
+	Boolean,
+	Composite,
+	DateTime,
+	Enum,
+	Geometric,
+	NetworkAddress,
+	Numeric,
+	Pseudo,
+	Range,
+	String,
+	Timespan,
+	UserDefined,
+	BitString,
+	Unknown
+};
+
+void operator<<(TypCategory &s, const Pgsql::Value &v);
+
 
 class PgType {
 public:
 	PgType();
 
 	Oid oid = InvalidOid;
-	QString typname;//"name";"NO"
+	QString name;//"name";"NO"
 	Oid typnamespace = InvalidOid;//"oid";"NO"
-	Oid typowner = InvalidOid;//"oid";"NO"
+	Oid owner = InvalidOid;//"oid";"NO"
-	short typlen = -1;//"smallint";"NO"
+	short len = -1;//"smallint";"NO"
-	bool typbyval = false;//"boolean";"NO"
+	bool byval = false;//"boolean";"NO"
-	QString typtype;//""char"";"NO"
+	QString type;//""char"";"NO"
-	QString typcategory;//""char"";"NO"
+	TypCategory category;//""char"";"NO"
 	bool typispreferred = false;//"boolean";"NO"
 	bool typisdefined = false;//"boolean";"NO"
 	QString typdelim;//""char"";"NO"
@@ -41,7 +63,7 @@ public:
 	QString typacl;//"ARRAY";"YES"
 
 	bool operator==(Oid _oid) const { return oid == _oid; }
-	bool operator==(const QString &n) const { return typname == n; }
+	bool operator==(const QString &n) const { return name == n; }
 	bool operator<(Oid _oid) const { return oid < _oid; }
 	bool operator<(const PgType &rhs) const { return oid < rhs.oid; }
 };

pglab/PgTypeContainer.cpp

@@ -44,13 +44,13 @@ void PgTypeContainer::load(const Pgsql::Result &res)
 	for (auto row : res) {
 		PgType v;
 		v.oid            << row.get(0); // InvalidOid;
-		v.typname		 << row.get(1); //. operator QString(); // "name";"NO"
+		v.name		 << row.get(1); //. operator QString(); // "name";"NO"
 		v.typnamespace   << row.get(2); // InvalidOid;//"oid";"NO"
-		v.typowner       << row.get(3); // InvalidOid;//"oid";"NO"
+		v.owner       << row.get(3); // InvalidOid;//"oid";"NO"
-		v.typlen         << row.get(4); // -1;//"smallint";"NO"
+		v.len         << row.get(4); // -1;//"smallint";"NO"
-		v.typbyval       << row.get(5); // false;//"boolean";"NO"
+		v.byval       << row.get(5); // false;//"boolean";"NO"
-		v.typtype        << row.get(6);//""char"";"NO"
+		v.type        << row.get(6);//""char"";"NO"
-		v.typcategory    << row.get(7);//""char"";"NO"
+		v.category    << row.get(7);//""char"";"NO"
 		v.typispreferred << row.get(8); //false;//"boolean";"NO"
 		v.typisdefined   << row.get(9); //false;//"boolean";"NO"
 		v.typdelim		 << row.get(10); //""char"";"NO"

pglab/PgTypeContainer.h

@@ -3,7 +3,6 @@
 
 #include "PgType.h"
 #include "PgContainer.h"
-#include <vector>
 
 namespace Pgsql {
 

pglab/ResultTableModelUtil.cpp

@@ -1,4 +1,6 @@
 #include "ResultTableModelUtil.h"
+#include <QTableView>
+#include <QHeaderView>
 
 using namespace Pgsql;
 
@@ -55,3 +57,36 @@ QString FormatBoolForDisplay(bool v)
 	return v ? "TRUE" : "FALSE";
 }
 
+
+//<widget class="QTableView" name="ResultView">
+// <property name="font">
+//  <font>
+//   <family>Source Sans Pro</family>
+//   <pointsize>10</pointsize>
+//  </font>
+// </property>
+// <property name="editTriggers">
+//  <set>QAbstractItemView::NoEditTriggers</set>
+// </property>
+// <property name="verticalScrollMode">
+//  <enum>QAbstractItemView::ScrollPerPixel</enum>
+// </property>
+// <property name="horizontalScrollMode">
+//  <enum>QAbstractItemView::ScrollPerPixel</enum>
+// </property>
+// <property name="wordWrap">
+//  <bool>false</bool>
+// </property>
+// <attribute name="verticalHeaderDefaultSectionSize">
+//  <number>20</number>
+// </attribute>
+// <attribute name="verticalHeaderMinimumSectionSize">
+//  <number>16</number>
+// </attribute>
+//</widget>
+void SetTableViewDefault(QTableView *tv)
+{
+	tv->setAlternatingRowColors(true);
+	tv->verticalHeader()->setMinimumSectionSize(16);
+	tv->verticalHeader()->setDefaultSectionSize(20);
+}

pglab/ResultTableModelUtil.h

@@ -21,3 +21,5 @@ inline QColor GetDefaultNumericColor() { return Qt::darkGreen; }
 
 QString FormatBoolForDisplay(bool v);
 
+class QTableView;
+void SetTableViewDefault(QTableView *tv);

pglab/SqlSyntaxHighlighter.cpp

@@ -130,7 +130,7 @@ void SqlSyntaxHighlighter::setTypes(const PgTypeContainer& types)
 {
 	m_typeNames.clear();
 	for (auto &e : types) {
-		m_typeNames.insert(e.typname);
+		m_typeNames.insert(e.name);
 	}
 }
 

pglab/TablesPage.cpp

@@ -1,7 +1,10 @@
 #include "TablesPage.h"
 #include "ui_TablesPage.h"
 
+#include "PgAttribute.h"
 #include "TablesTableModel.h"
+#include "ResultTableModelUtil.h"
+#include "ColumnTableModel.h"
 
 TablesPage::TablesPage(QWidget *parent) :
 	QWidget(parent),
@@ -9,9 +12,22 @@ TablesPage::TablesPage(QWidget *parent) :
 {
 	ui->setupUi(this);
 
+	SetTableViewDefault(ui->tableListTable);
 	m_tablesModel = new TablesTableModel(this);
 	ui->tableListTable->setModel(m_tablesModel);
 
+	SetTableViewDefault(ui->columnsTable);
+	m_columnsModel = new ColumnTableModel(this);
+	ui->columnsTable->setModel(m_columnsModel);
+
+	connect(ui->tableListTable->selectionModel(), &QItemSelectionModel::currentRowChanged, this,
+		&TablesPage::on_tableListTable_currentRowChanged);
+
+}
+
+TablesPage::~TablesPage()
+{
+	delete ui;
 }
 
 void TablesPage::setCatalog(std::shared_ptr<PgDatabaseCatalog> cat)
@@ -20,7 +36,10 @@ void TablesPage::setCatalog(std::shared_ptr<PgDatabaseCatalog> cat)
 	m_tablesModel->setCatalog(cat);
 }
 
-TablesPage::~TablesPage()
+void TablesPage::on_tableListTable_currentRowChanged(const QModelIndex &current, const QModelIndex &previous)
 {
-	delete ui;
+	if (current.row() != previous.row()) {
+		Oid table_oid = m_tablesModel->getTableOid(current.row());
+		m_columnsModel->setData(m_catalog, table_oid);
+	}
 }

pglab/TablesPage.h

@@ -9,6 +9,7 @@ class TablesPage;
 }
 
 class TablesTableModel;
+class ColumnTableModel;
 class PgDatabaseCatalog;
 
 class TablesPage : public QWidget
@@ -24,6 +25,11 @@ private:
 	Ui::TablesPage *ui;
 	std::shared_ptr<PgDatabaseCatalog>  m_catalog;
 	TablesTableModel* m_tablesModel = nullptr;
+	ColumnTableModel* m_columnsModel = nullptr;
+
+private slots:
+
+	void on_tableListTable_currentRowChanged(const QModelIndex &current, const QModelIndex &previous);
 };
 
 #endif // TABLESPAGE_H

pglab/TablesTableModel.cpp

@@ -2,7 +2,10 @@
 #include "PgDatabaseCatalog.h"
 #include "PgClass.h"
 #include "PgClassContainer.h"
+#include "PgNamespace.h"
+#include "PgNamespaceContainer.h"
 #include "Pgsql_declare.h"
+#include <QBrush>
 
 TablesTableModel::TablesTableModel(QObject *parent)
 	: BaseTableModel(parent)
@@ -44,6 +47,9 @@ QVariant TablesTableModel::headerData(int section, Qt::Orientation orientation,
 			case NameCol:
 				v = tr("Name");
 				break;
+			case NamespaceCol:
+				v = tr("Schema");
+				break;
 			case OwnerCol:
 				v = tr("Owner");
 				break;
@@ -80,6 +86,7 @@ Oid TablesTableModel::getType(int column) const
 	case TablespaceCol:
 	case OwnerCol:
 	case NameCol:
+	case NamespaceCol:
 	case OptionsCol:
 	case AclCol:
 	default:
@@ -94,7 +101,10 @@ QVariant TablesTableModel::getData(const QModelIndex &index) const
 	const auto &t = m_tables[index.row()];
 	switch (index.column()) {
 	case NameCol:
-		v = formatTableName(t);
+		v = t.name; //formatTableName(t);
+		break;
+	case NamespaceCol:
+		v =  getNamespaceDisplayString(*m_catalog, t.relnamespace);
 		break;
 	case OwnerCol:
 		v = getRoleDisplayString(*m_catalog, t.owner);
@@ -113,9 +123,33 @@ QVariant TablesTableModel::getData(const QModelIndex &index) const
 	return v;
 }
 
+Oid TablesTableModel::getTableOid(int row) const
+{
+	return m_tables[row].oid;
+}
+
 QString TablesTableModel::formatTableName(const PgClass &cls) const
 {
 	const char * format = "%2 (%1)";
 	QString ns_name = getNamespaceDisplayString(*m_catalog, cls.relnamespace);
 	return QString(format).arg(ns_name).arg(cls.name);
 }
+
+QVariant TablesTableModel::data(const QModelIndex &index, int role) const
+{
+
+	if (role == Qt::ForegroundRole) {
+
+		const auto &t = m_tables[index.row()];
+		auto ns = m_catalog->namespaces()->getByKey(t.relnamespace);
+		if (ns.isSystemCatalog()) {
+			switch (index.column()) {
+			case NameCol:
+			case NamespaceCol:
+				return QBrush(Qt::blue);
+				break;
+			}
+		}
+	}
+	return BaseTableModel::data(index, role);
+}

pglab/TablesTableModel.h

@@ -13,6 +13,7 @@ class TablesTableModel: public BaseTableModel
 public:
 	enum e_Columns : int {
 		NameCol, ///< either table, ns.table or table (ns) depending on settings/filters
+		NamespaceCol,
 		OwnerCol,
 		TablespaceCol,
 		OptionsCol,
@@ -30,6 +31,8 @@ public:
 	int rowCount(const QModelIndex &parent) const override;
 	int columnCount(const QModelIndex &parent) const override;
 
+	virtual QVariant data(const QModelIndex &index, int role) const override;
+	Oid getTableOid(int row) const;
 protected:
 	virtual Oid getType(int column) const override;
 	virtual QVariant getData(const QModelIndex &index) const override;

pglab/TypeSelectionItemModel.cpp

@@ -61,8 +61,8 @@ void TypeSelectionItemModel::setTypeList(std::shared_ptr<const PgTypeContainer>
 	beginResetModel();
 	m_types.clear();
 	for (const auto &e : *types) {
-		if (e.typcategory != "A" && e.typtype != "c") {
+		if (e.category != TypCategory::Array && e.type != "c") {
-			m_types.push_back(e.typname);
+			m_types.push_back(e.name);
 		}
 	}
 	std::sort(m_types.begin(), m_types.end());

pglab/pglab.pro

@@ -71,7 +71,12 @@ SOURCES += main.cpp\
     TablesPage.cpp \
     PgClassContainer.cpp \
     TablesTableModel.cpp \
-    PgDatabaseCatalog.cpp
+    PgDatabaseCatalog.cpp \
+    PgNamespaceContainer.cpp \
+    ColumnTableModel.cpp \
+    PgAttribute.cpp \
+    PgContainer.cpp \
+    PgAttributeContainer.cpp
 
 HEADERS  += \
     QueryResultModel.h \
@@ -117,7 +122,11 @@ HEADERS  += \
     TablesPage.h \
     PgClassContainer.h \
     TablesTableModel.h \
-    PgDatabaseCatalog.h
+    PgDatabaseCatalog.h \
+    PgNamespaceContainer.h \
+    ColumnTableModel.h \
+    PgAttribute.h \
+    PgAttributeContainer.h
 
 FORMS    += mainwindow.ui \
     DatabaseWindow.ui \
@@ -136,12 +145,27 @@ RESOURCES += \
 QMAKE_LFLAGS_WINDOWS = /SUBSYSTEM:WINDOWS,5.01
 
 win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../core/release/ -lcore
-else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../core/debug/ -L$$OUT_PWD/../pgsql/debug/ -lcore -lpgsql
+else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../core/debug/ -lcore
 
-INCLUDEPATH += $$PWD/../core $$PWD/../pgsql
+INCLUDEPATH += $$PWD/../core
-DEPENDPATH += $$PWD/../core $$PWD/../pgsql
+DEPENDPATH += $$PWD/../core
 
 win32-g++:CONFIG(release, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../core/release/libcore.a
 else:win32-g++:CONFIG(debug, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../core/debug/libcore.a
 else:win32:!win32-g++:CONFIG(release, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../core/release/core.lib
-else:win32:!win32-g++:CONFIG(debug, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../core/debug/core.lib $$OUT_PWD/../pgsql/debug/pgsql.lib
+else:win32:!win32-g++:CONFIG(debug, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../core/debug/core.lib
+
+
+win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../pgsql/release/ -lpgsql
+else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../pgsql/debug/ -lpgsql
+else:unix:!macx: LIBS += -L$$OUT_PWD/../pgsql/ -lpgsql
+
+INCLUDEPATH += $$PWD/../pgsql
+DEPENDPATH += $$PWD/../pgsql
+
+win32-g++:CONFIG(release, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../pgsql/release/libpgsql.a
+else:win32-g++:CONFIG(debug, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../pgsql/debug/libpgsql.a
+else:win32:!win32-g++:CONFIG(release, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../pgsql/release/pgsql.lib
+else:win32:!win32-g++:CONFIG(debug, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../pgsql/debug/pgsql.lib
+else:unix:!macx: PRE_TARGETDEPS += $$OUT_PWD/../pgsql/libpgsql.a
+

pgsql/Pgsql_Col.h

@@ -7,7 +7,7 @@ namespace Pgsql {
 
 	class Col {
 	public:
-		explicit Col(Pgsql::Row &r)
+		explicit Col(const Pgsql::Row &r)
 			: row(r)
 		{}
 
@@ -17,16 +17,10 @@ namespace Pgsql {
 			return row.get(++col);
 		}
 	private:
-		Pgsql::Row &row;
+		const Pgsql::Row &row;
 		int col = -1;
 	};
 
-//	template <typename T>
-//	void operator<<(T &s, Col &c)
-//	{
-//		s << c.nextValue();
-//	}
-
 	template <typename T>
 	Col& operator>>(Col &c, T &s)
 	{