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.cpp

@@ -0,0 +1,85 @@
+#include "IndexModel.h"
+#include "PgDatabaseCatalog.h"
+#include "PgIndexContainer.h"
+#include "Pgsql_oids.h"
+#include "ScopeGuard.h"
+
+void IndexModel::setData(std::shared_ptr<const PgDatabaseCatalog> cat, const PgClass &table)
+{
+	beginResetModel();
+	SCOPE_EXIT { endResetModel(); };
+
+	m_catalog = cat;
+	m_table = table;
+
+	m_indexes = cat->indexes()->getIndexesForTable(table.oid);
+}
+
+int IndexModel::rowCount(const QModelIndex &parent) const
+{
+	return m_indexes.size();
+}
+
+int IndexModel::columnCount(const QModelIndex &parent) const
+{
+	return colCount;
+}
+
+Oid IndexModel::getType(int column) const
+{
+	return Pgsql::varchar_oid;
+}
+
+QVariant IndexModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+	QVariant v;
+	if (orientation == Qt::Horizontal) {
+		if (role == Qt::DisplayRole) {
+			QString c;
+			switch (section) {
+			case TypeCol:
+				c = tr("Type");
+				break;
+			case NameCol:
+				c = tr("Name");
+				break;
+			case ColumnsCol:
+				c = tr("On");
+				break;
+			case ConditionCol:
+				c = tr("Condition");
+				break;
+//			case DefinitionCol:
+//				c = tr("Definition");
+//				break;
+			}
+			v = c;
+		}
+	}
+	return v;
+
+}
+
+QVariant IndexModel::getData(const QModelIndex &index) const
+{
+	QVariant v;
+	int rij = index.row();
+	const auto &dat = m_indexes[rij];
+	switch (index.column()) {
+	case TypeCol:
+		if (dat.isprimary) v = ":/icons/constraints/primarykey.png";
+		else if (dat.isunique) v = ":/icons/constraints/unique.png";
+		break;
+
+	case NameCol:
+		v = getIndexDisplayString(*m_catalog, dat.indexrelid);
+		break;
+
+	case ColumnsCol:
+		break;
+
+	case ConditionCol:
+		break;
+	}
+	return v;
+}