When a table has partitions or inheritance children these are listed as subnodes. A subnode can appear multiple times under different parents as postgresql supports inheriting multiple tables. The sizes are still missing and maybe some things I have note verified yet are not correct.
80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
#ifndef DATABASESTABLEMODEL_H
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#define DATABASESTABLEMODEL_H
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#include "BaseTableModel.h"
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#include "catalog/PgDatabase.h"
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#include <memory>
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class OpenDatabase;
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class PgDatabaseCatalog;
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/** Class for displaying the list of databases of a server in a QTableView
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*
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*/
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class DatabasesTableModel : public BaseTableModel
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{
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Q_OBJECT
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public:
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using RowItem = PgDatabase;
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enum e_Columns : int { NameCol, DbaCol, EncodingCol, CollateCol,
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CTypeCol, IsTemplateCol, AllowConnCol, ConnLimitCol,
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TablespaceCol, CommentCol, SizeCol, AclCol, COL_COUNT };
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explicit DatabasesTableModel(std::shared_ptr<OpenDatabase> opendatabase, QObject *parent);
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void setDatabaseList(std::shared_ptr<const PgDatabaseCatalog> cat);
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// Header:
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QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
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// Basic functionality:
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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int columnCount(const QModelIndex &parent = QModelIndex()) const override;
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virtual Oid getType(int column) const override;
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virtual QVariant getData(const QModelIndex &index) const override;
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RowItem rowItem(const QModelIndex &index) const
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{
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return databases.at(index.row()).database;
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}
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protected:
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virtual QVariant getDataMeaning(const QModelIndex &index) const override;
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private:
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class DatabaseSize {
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public:
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Oid oid;
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int64_t totalBytes;
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DatabaseSize()
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: oid(InvalidOid)
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, totalBytes(-1)
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{}
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};
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using DatabaseSizes = std::vector<DatabaseSize>;
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class Database {
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public:
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PgDatabase database;
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DatabaseSize size;
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Database(const PgDatabase &db)
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: database(db)
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{}
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};
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using Databases = std::vector<Database>;
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std::shared_ptr<OpenDatabase> openDatabase;
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std::shared_ptr<const PgDatabaseCatalog> m_catalog;
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Databases databases;
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void StartLoadDatabaseSizes(std::map<Oid, int> oidIndex);
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DatabaseSizes QueryDatabaseSizes();
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void PopulateSizes(std::map<Oid, int> oidIndex, DatabaseSizes sizes);
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};
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#endif // DATABASESTABLEMODEL_H
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