eelke/pgLab
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Added list of constraints to the tables page.

Browse source 
Last column shows the full textual definition until I have decided on
a better way to visualize the details.
This commit is contained in:
eelke 2017-12-30 12:57:55 +01:00
parent 22db22c6b1
commit a99f059b70
27 changed files with 663 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

14
pglab/ApplicationWindow.cpp Normal file
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@ -0,0 +1,14 @@
#include "ApplicationWindow.h"
#include "ui_ApplicationWindow.h"
ApplicationWindow::ApplicationWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::ApplicationWindow)
{
ui->setupUi(this);
}
ApplicationWindow::~ApplicationWindow()
{
delete ui;
}

22
pglab/ApplicationWindow.h Normal file
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@ -0,0 +1,22 @@
#ifndef APPLICATIONWINDOW_H
#define APPLICATIONWINDOW_H
#include <QMainWindow>
namespace Ui {
class ApplicationWindow;
}
class ApplicationWindow : public QMainWindow
{
Q_OBJECT
public:
explicit ApplicationWindow(QWidget *parent = 0);
~ApplicationWindow();
private:
Ui::ApplicationWindow *ui;
};
#endif // APPLICATIONWINDOW_H

145
pglab/ApplicationWindow.ui Normal file
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@ -0,0 +1,145 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>ApplicationWindow</class>
<widget class="QMainWindow" name="ApplicationWindow">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>314</width>
<height>672</height>
</rect>
</property>
<property name="windowTitle">
<string>MainWindow</string>
</property>
<widget class="QWidget" name="centralwidget">
<layout class="QVBoxLayout" name="verticalLayout">
<property name="spacing">
<number>0</number>
</property>
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<widget class="QFrame" name="frame">
<property name="frameShape">
<enum>QFrame::StyledPanel</enum>
</property>
<property name="frameShadow">
<enum>QFrame::Raised</enum>
</property>
<layout class="QVBoxLayout" name="verticalLayout_2">
<property name="spacing">
<number>0</number>
</property>
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<widget class="QFrame" name="frame_2">
<property name="sizePolicy">
<sizepolicy hsizetype="Maximum" vsizetype="Preferred">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="frameShape">
<enum>QFrame::StyledPanel</enum>
</property>
<property name="frameShadow">
<enum>QFrame::Raised</enum>
</property>
<layout class="QHBoxLayout" name="horizontalLayout">
<property name="spacing">
<number>0</number>
</property>
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<widget class="QComboBox" name="comboBox">
<property name="sizePolicy">
<sizepolicy hsizetype="Maximum" vsizetype="Maximum">
<horstretch>1</horstretch>
<verstretch>1</verstretch>
</sizepolicy>
</property>
<property name="frame">
<bool>false</bool>
</property>
</widget>
</item>
<item>
<widget class="QToolButton" name="toolButton">
<property name="text">
<string>...</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item>
<widget class="QFrame" name="frame_3">
<property name="sizePolicy">
<sizepolicy hsizetype="Expanding" vsizetype="Expanding">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="frameShape">
<enum>QFrame::StyledPanel</enum>
</property>
<property name="frameShadow">
<enum>QFrame::Raised</enum>
</property>
</widget>
</item>
</layout>
</widget>
</item>
</layout>
</widget>
<widget class="QMenuBar" name="menubar">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>314</width>
<height>25</height>
</rect>
</property>
</widget>
<widget class="QStatusBar" name="statusbar"/>
</widget>
<resources/>
<connections/>
</ui>

5
pglab/ColumnTableModel.cpp
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@ -83,7 +83,8 @@ QVariant ColumnTableModel::headerData(int section, Qt::Orientation orientation,
else if (role == Qt::ToolTipRole) {
if (section >= colCount) {
const auto &tbl_idx = m_indexes[section - colCount];
auto idx_cls = m_catalog->classes()->getByKey(tbl_idx.indexrelid);
//auto idx_cls = m_catalog->classes()->getByKey(tbl_idx.indexrelid);
auto idx_class_name = getClassDisplayString(*m_catalog, tbl_idx.indexrelid);
QString s;
if (tbl_idx.isprimary)
s = tr("Primary key");
@ -91,7 +92,7 @@ QVariant ColumnTableModel::headerData(int section, Qt::Orientation orientation,
s = tr("Unique index");
else
s = tr("Index");
s += "\n" + idx_cls.name;
s += "\n" + idx_class_name;
v = s;
}
else {

14
pglab/ConnectionManagerWindow.ui
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@ -201,7 +201,7 @@
<x>0</x>
<y>0</y>
<width>800</width>
<height>24</height>
<height>25</height>
</rect>
</property>
<widget class="QMenu" name="menuFile">
@ -217,6 +217,18 @@
<property name="windowTitle">
<string>toolBar</string>
</property>
<property name="styleSheet">
<string notr="true">QToolBar {
border-top: 1px solid rgb(192, 192, 192);
border-bottom: 1px solid rgb(192, 192, 192);
padding: 4px;
}
QToolButton {
border: none;
}</string>
</property>
<property name="movable">
<bool>false</bool>
</property>

168
pglab/ConstraintModel.cpp Normal file
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@ -0,0 +1,168 @@
#include "ConstraintModel.h"
#include "ScopeGuard.h"
#include "PgDatabaseCatalog.h"
#include "PgConstraintContainer.h"
#include "Pgsql_oids.h"
ConstraintModel::ConstraintModel(QObject *parent)
: BaseTableModel(parent)
{
}
void ConstraintModel::setData(std::shared_ptr<const PgDatabaseCatalog> cat, const PgClass &table)
{
beginResetModel();
SCOPE_EXIT { endResetModel(); };
m_table = table;
m_catalog = cat;
m_constraints = cat->constraints()->getConstraintsForRelation(table.oid);
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);
});
// // hide system columns
// auto si = table.hasoids
// ? std::remove_if(m_columns.begin(), m_columns.end(),
// [](PgAttribute &e) { return e.num <= 0 && e.name != "oid"; })
// : std::remove_if(m_columns.begin(), m_columns.end(),
// [](PgAttribute &e) { return e.num <= 0; });
// // move columns to end and remove them
// m_columns.erase(si, 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; });
// m_indexes = m_catalog->indexes()->getIndexesForTable(table.oid);
// std::sort(m_indexes.begin(), m_indexes.end(),
// [] (const auto &l, const auto &r) -> bool
// {
// return l.isprimary > r.isprimary
// || (l.isprimary == r.isprimary && l.indexrelid < r.indexrelid);
// });
}
QVariant ConstraintModel::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 NsCol:
c = tr("Schema");
break;
case SupportingIndexCol:
c = tr("Supporting index");
break;
case DefinitionCol:
c = tr("Definition");
break;
}
v = c;
}
}
return v;
}
int ConstraintModel::rowCount(const QModelIndex &parent) const
{
return m_constraints.size();
}
int ConstraintModel::columnCount(const QModelIndex &parent) const
{
return colCount;
}
//QVariant ConstraintModel::data(const QModelIndex &index, int role) const
//{
// QVariant v;
// if (!index.isValid())
// return QVariant();
// // FIXME: Implement me!
// return v;
//}
Oid ConstraintModel::getType(int column) const
{
Oid oid = Pgsql::varchar_oid;
return oid;
}
QString IconForConstraintType(ConstraintType ct)
{
QString s = ":/icons/constraints/";
switch (ct) {
case ConstraintType::Check:
s += "check.png";
break;
case ConstraintType::ForeignKey:
s += "foreignkey.png";
break;
case ConstraintType::PrimaryKey:
s += "primarykey.png";
break;
case ConstraintType::Unique:
s += "unique.png";
break;
case ConstraintType::ConstraintTrigger:
s = "CT";
break;
case ConstraintType::ExclusionConstraint:
s = "XC";
break;
default:
s = "?";
break;
}
return s;
}
QVariant ConstraintModel::getData(const QModelIndex &index) const
{
QVariant v;
const int row = index.row();
const auto &t = m_constraints[row];
const int col = index.column();
QString s;
switch (col) {
case TypeCol:
s = IconForConstraintType(t.type);
break;
case NameCol:
s = t.name;
break;
case NsCol:
s = getNamespaceDisplayString(*m_catalog, t.connamespace);
break;
case SupportingIndexCol:
s = getIndexDisplayString(*m_catalog, t.indid);
break;
case DefinitionCol:
s = t.definition;
break;
}
v = s;
return v;
}

51
pglab/ConstraintModel.h Normal file
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@ -0,0 +1,51 @@
#ifndef CONSTRAINTMODEL_H
#define CONSTRAINTMODEL_H
#include "BaseTableModel.h"
#include "PgClass.h"
#include "PgConstraint.h"
#include <QAbstractTableModel>
#include <vector>
class PgDatabaseCatalog;
class ConstraintModel : public BaseTableModel {
Q_OBJECT
public:
enum e_Columns : int {
TypeCol,
NameCol, ///
NsCol, ///
SupportingIndexCol,
DefinitionCol,
colCount };
explicit ConstraintModel(QObject *parent = nullptr);
void setData(std::shared_ptr<const PgDatabaseCatalog> cat, const PgClass &table);
// Header:
QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
// Basic functionality:
int rowCount(const QModelIndex &parent = QModelIndex()) const override;
int columnCount(const QModelIndex &parent = QModelIndex()) const override;
//QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) 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_Constraints = std::vector<PgConstraint>;
t_Constraints m_constraints;
};
#endif // CONSTRAINTMODEL_H

59
pglab/IconColumnDelegate.cpp Normal file
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@ -0,0 +1,59 @@
#include "IconColumnDelegate.h"
#include <QPainter>
IconColumnDelegate::IconColumnDelegate(QWidget *parent)
: QStyledItemDelegate(parent)
{
}
IconColumnDelegate::~IconColumnDelegate()
{
clearCache();
}
void IconColumnDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
if (index.data().canConvert<QString>()) {
QString icon_name = qvariant_cast<QString>(index.data());
QIcon* icon = IconColumnDelegate::getIcon(icon_name);
if (icon) {
if (option.state & QStyle::State_Selected)
painter->fillRect(option.rect, option.palette.highlight());
icon->paint(painter, option.rect);
}
else
QStyledItemDelegate::paint(painter, option, index);
} else {
QStyledItemDelegate::paint(painter, option, index);
}
}
QSize IconColumnDelegate::sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
return QSize(16, 16);
}
void IconColumnDelegate::clearCache()
{
for (auto &e : m_Icons)
delete e.
second;
m_Icons.clear();
}
QIcon* IconColumnDelegate::getIcon(const QString &name) const
{
auto fr = m_Icons.find(name);
if (fr == m_Icons.end()) {
// load and insert icon
QIcon *icon = new QIcon(name);
fr = m_Icons.emplace(name, icon).first;
}
return fr->second;
}

29
pglab/IconColumnDelegate.h Normal file
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@ -0,0 +1,29 @@
#ifndef ICONCOLUMNDELEGATE_H
#define ICONCOLUMNDELEGATE_H
#include <QStyledItemDelegate>
#include <map>
/** This class asumes that the string values supplies for the column data
* can be Resolved by QIcon to an actual icon. Icons are cached and reused.
*
*/
class IconColumnDelegate: public QStyledItemDelegate {
public:
IconColumnDelegate(QWidget *parent = nullptr);
~IconColumnDelegate();
void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
QSize sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index) const override;
void clearCache();
private:
using t_IconCache = std::map<QString, QIcon*>;
mutable t_IconCache m_Icons;
QIcon* getIcon(const QString &name) const;
};
#endif // ICONCOLUMNDELEGATE_H

6
pglab/QueryTab.cpp
View file

@ -5,6 +5,7 @@
#include <QPushButton>
#include <QFileDialog>
#include <QStatusBar>
#include <QMessageBox>
#include <QTabWidget>
#include <QTextCodec>
@ -399,7 +400,10 @@ void QueryTab::explain_ready(ExplainRoot::SPtr explain)
ui->explainTreeView->setColumnWidth(5, 80);
ui->explainTreeView->setColumnWidth(6, 600);
ui->tabWidget->setCurrentWidget(ui->explainTab);
// statusBar()->showMessage(tr("Explain ready."));
auto w = dynamic_cast<QMainWindow*>(this->window());
if (w)
w->statusBar()->showMessage(tr("Explain ready."));
}
else {
addLog("Explain no result");

12
pglab/TablesPage.cpp
View file

@ -6,7 +6,9 @@
#include "TablesTableModel.h"
#include "ResultTableModelUtil.h"
#include "ColumnTableModel.h"
#include "ConstraintModel.h"
#include "NamespaceFilterWidget.h"
#include "IconColumnDelegate.h"
TablesPage::TablesPage(QWidget *parent) :
QWidget(parent),
@ -22,6 +24,13 @@ TablesPage::TablesPage(QWidget *parent) :
m_columnsModel = new ColumnTableModel(this);
ui->columnsTable->setModel(m_columnsModel);
SetTableViewDefault(ui->constraintsTable);
m_constraintModel = new ConstraintModel(this);
auto delegate = new IconColumnDelegate(this);
ui->constraintsTable->setModel(m_constraintModel);
ui->constraintsTable->setItemDelegateForColumn(0, delegate);
m_namespaceFilterWidget = new NamespaceFilterWidget(this);
ui->verticalLayoutTableView->addWidget(m_namespaceFilterWidget);
@ -50,5 +59,8 @@ void TablesPage::on_tableListTable_currentRowChanged(const QModelIndex &current,
PgClass table = m_tablesModel->getTable(current.row());
m_columnsModel->setData(m_catalog, table);
ui->columnsTable->resizeColumnsToContents();
m_constraintModel->setData(m_catalog, table);
ui->constraintsTable->resizeColumnsToContents();
}
}

2
pglab/TablesPage.h
View file

@ -10,6 +10,7 @@ class TablesPage;
class TablesTableModel;
class ColumnTableModel;
class ConstraintModel;
class PgDatabaseCatalog;
class NamespaceFilterWidget;
@ -27,6 +28,7 @@ private:
std::shared_ptr<PgDatabaseCatalog> m_catalog;
TablesTableModel* m_tablesModel = nullptr;
ColumnTableModel* m_columnsModel = nullptr;
ConstraintModel* m_constraintModel = nullptr;
NamespaceFilterWidget* m_namespaceFilterWidget;
private slots:

22
pglab/TablesPage.ui
View file

@ -38,7 +38,7 @@
</widget>
<widget class="QTabWidget" name="tabWidget">
<property name="currentIndex">
<number>0</number>
<number>2</number>
</property>
<widget class="QWidget" name="columnsTab">
<attribute name="title">
@ -50,6 +50,26 @@
</item>
</layout>
</widget>
<widget class="QWidget" name="tabConstraints">
<attribute name="title">
<string>Constraints</string>
</attribute>
<layout class="QVBoxLayout" name="verticalLayout_2">
<item>
<widget class="QTableView" name="constraintsTable"/>
</item>
</layout>
</widget>
<widget class="QWidget" name="tabIndexes">
<attribute name="title">
<string>Indexes</string>
</attribute>
<layout class="QVBoxLayout" name="verticalLayout_4">
<item>
<widget class="QTableView" name="indexesTable"/>
</item>
</layout>
</widget>
<widget class="QWidget" name="propertiesTab">
<attribute name="title">
<string>Properties</string>

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pglab/icons/constraints/primarykey.png Normal file
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13
pglab/pglab.pro
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@ -62,7 +62,10 @@ SOURCES += main.cpp\
TablesTableModel.cpp \
ColumnTableModel.cpp \
NamespaceFilterWidget.cpp \
NamespaceItemModel.cpp
NamespaceItemModel.cpp \
ApplicationWindow.cpp \
ConstraintModel.cpp \
IconColumnDelegate.cpp
HEADERS += \
QueryResultModel.h \
@ -96,7 +99,10 @@ HEADERS += \
TablesTableModel.h \
ColumnTableModel.h \
NamespaceFilterWidget.h \
NamespaceItemModel.h
NamespaceItemModel.h \
ApplicationWindow.h \
ConstraintModel.h \
IconColumnDelegate.h
FORMS += mainwindow.ui \
ConnectionManagerWindow.ui \
@ -107,7 +113,8 @@ FORMS += mainwindow.ui \
ServerWindow.ui \
ProcessStdioWidget.ui \
TablesPage.ui \
NamespaceFilterWidget.ui
NamespaceFilterWidget.ui \
ApplicationWindow.ui
RESOURCES += \
resources.qrc

4
pglab/resources.qrc
View file

@ -23,5 +23,9 @@
<file>icons/delete_connection.png</file>
<file>icons/open_query_window.png</file>
<file>icons/manage_server.png</file>
<file>icons/constraints/check.png</file>
<file>icons/constraints/foreignkey.png</file>
<file>icons/constraints/primarykey.png</file>
<file>icons/constraints/unique.png</file>
</qresource>
</RCC>

4
pglabAll.pro
View file

@ -9,6 +9,10 @@ SUBDIRS += core \
pglablib \
pglab
pglab.depends = core ctk pgsql pglablib
pgsql.depends = core
pglablib.depends = core pgsql
CONFIG(debug, debug|release) {
SUBDIRS += tests

59
pglablib/PgConstraint.cpp
View file

@ -25,6 +25,64 @@ void operator<<(ConstraintType &s, const Pgsql::Value &v)
}
}
QString ShortNameForConstraintType(ConstraintType ct)
{
QString s;
switch (ct) {
case ConstraintType::Check:
s = "C";
break;
case ConstraintType::ForeignKey:
s = "FK";
break;
case ConstraintType::PrimaryKey:
s = "PK";
break;
case ConstraintType::Unique:
s = "U";
break;
case ConstraintType::ConstraintTrigger:
s = "CT";
break;
case ConstraintType::ExclusionConstraint:
s = "XC";
break;
default:
s = "?";
break;
}
return s;
}
QString LongNameForConstraintType(ConstraintType ct)
{
QString s;
switch (ct) {
case ConstraintType::Check:
s = "check";
break;
case ConstraintType::ForeignKey:
s = "foreign key";
break;
case ConstraintType::PrimaryKey:
s = "primary key";
break;
case ConstraintType::Unique:
s = "unique";
break;
case ConstraintType::ConstraintTrigger:
s = "constraint trigger";
break;
case ConstraintType::ExclusionConstraint:
s = "exclusion constraint";
break;
default:
s = "?";
break;
}
return s;
}
void operator<<(ForeignKeyAction &s, const Pgsql::Value &v)
{
const char *c = v.c_str();
@ -64,6 +122,7 @@ void operator<<(ForeignKeyMatch &s, const Pgsql::Value &v)
}
PgConstraint::PgConstraint()
{

7
pglablib/PgConstraint.h
View file

@ -9,16 +9,19 @@
#include <vector>
enum class ConstraintType {
Check, // c
ForeignKey, // f
PrimaryKey, // p
ForeignKey, // f
Unique, // u
Check, // c
ConstraintTrigger, // t
ExclusionConstraint, // x
};
void operator<<(ConstraintType &s, const Pgsql::Value &v);
QString ShortNameForConstraintType(ConstraintType ct);
QString LongNameForConstraintType(ConstraintType ct);
enum class ForeignKeyAction {
NoAction, // a

9
pglablib/PgConstraintContainer.cpp
View file

@ -63,3 +63,12 @@ const PgConstraint* PgConstraintContainer::getFKeyForTableColumn(Oid relid, int1
// });
return result;
}
std::vector<PgConstraint> PgConstraintContainer::getConstraintsForRelation(Oid relid) const
{
std::vector<PgConstraint> result;
for (const auto &e : m_container)
if (e.relid == relid)
result.push_back(e);
return result;
}

2
pglablib/PgConstraintContainer.h
View file

@ -13,6 +13,8 @@ public:
virtual std::string getLoadQuery() const override;
//std::vector<PgConstraint> getIndexesForTable(Oid table_oid) const;
const PgConstraint* getFKeyForTableColumn(Oid relid, int16_t attnum) const;
std::vector<PgConstraint> getConstraintsForRelation(Oid relid) const;
protected:
virtual PgConstraint loadElem(const Pgsql::Row &row) override;
};

32
pglablib/PgDatabaseCatalog.cpp
View file

@ -38,19 +38,31 @@ QString getRoleDisplayString(const PgDatabaseCatalog &cat, Oid oid)
QString getNamespaceDisplayString(const PgDatabaseCatalog &cat, Oid oid)
{
//QString name;
QString result;
auto nss = cat.namespaces();
auto ns = nss->getByKey(oid);
// if (auth_ids) {
// const PgAuthId& auth_id = auth_ids->getByOid(oid);
// if (auth_id.valid()) {
// name = auth_id.name;
// }
// }
//return name;
// TODO load list and lookup name
return ns.name; //QString("ns %1").arg(oid);
result = ns.name; //QString("ns %1").arg(oid);
return result;
}
QString getClassDisplayString(const PgDatabaseCatalog &cat, Oid oid)
{
QString result;
auto l = cat.classes();
auto e = l->getByKey(oid);
result = e.name;
return result;
}
QString getIndexDisplayString(const PgDatabaseCatalog &cat, Oid oid)
{
QString result;
// auto l = cat.indexes();
// auto e = l->getByKey(oid);
// if (e)
result = getClassDisplayString(cat, oid);
return result;
}
QString getTablespaceDisplayString(const PgDatabaseCatalog &cat, Oid oid)

2
pglablib/PgDatabaseCatalog.h
View file

@ -74,6 +74,8 @@ 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, int32_t typmod = -1);
QString getIndexDisplayString(const PgDatabaseCatalog &cat, Oid oid);
QString getClassDisplayString(const PgDatabaseCatalog &cat, Oid oid);
#endif // PGSQLDATABASECATALOGUE_H