Created IndexModel for displaying the indexes on a table. Constraints can now show the SQL to drop and create them.

The keyword list is now directly based of the official keyword list from postgresql.

pglab/IndexModel.h

@@ -0,0 +1,45 @@
+#ifndef INDEXMODEL_H
+#define INDEXMODEL_H
+
+#include "BaseTableModel.h"
+#include "PgClass.h"
+#include "PgIndex.h"
+#include <memory>
+#include <vector>
+
+
+class PgDatabaseCatalog;
+
+class IndexModel: public BaseTableModel {
+	Q_OBJECT
+public:
+	using BaseTableModel::BaseTableModel;
+
+	enum e_Columns : int {
+		TypeCol, /// primary/unique/normal
+		NameCol, ///
+		ColumnsCol, ///
+		ConditionCol,
+		colCount };
+
+	QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+	void setData(std::shared_ptr<const PgDatabaseCatalog> cat, const PgClass &table);
+
+
+	// Basic functionality:
+	int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+	int columnCount(const QModelIndex &parent = QModelIndex()) const override;
+
+protected:
+	virtual Oid getType(int column) const override;
+	virtual QVariant getData(const QModelIndex &index) const override;
+
+private:
+	std::shared_ptr<const PgDatabaseCatalog> m_catalog;
+	PgClass m_table;
+
+	using t_Indexes = std::vector<PgIndex>;
+	t_Indexes m_indexes;
+};
+
+#endif // INDEXMODEL_H