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- warn and refuse to load the layer if we don't have select permissions

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on the table that is being loaded
- better conformance to the code style guidelines
- added tr() to some dialog box text


git-svn-id: http://svn.osgeo.org/qgis/trunk@3041 c8812cc2-4d05-0410-92ff-de0c093fc19c
This commit is contained in:
g_j_m 2005-03-30 01:58:11 +00:00
parent 585709d29d
commit 9f3d5ba212
1 changed files with 33 additions and 8 deletions
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41
providers/postgres/qgspostgresprovider.cpp
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@ -150,26 +150,51 @@ QgsPostgresProvider::QgsPostgresProvider(QString uri):dataSourceUri(uri)
#endif
PGconn *pd = PQconnectdb((const char *) connInfo);
// check the connection status
if (PQstatus(pd) == CONNECTION_OK) {
if (PQstatus(pd) == CONNECTION_OK)
{
// store the connection for future use
connection = pd;
#ifdef QGISDEBUG
std::cerr << "Checking for select permission on the relation\n";
#endif
// Check that we can read from the table (i.e., we have
// select permission).
QString sql = "select * from \"" + tableName + "\" limit 1";
PGresult* testAccess = PQexec(pd, (const char*)sql);
if (PQresultStatus(testAccess) != PGRES_TUPLES_OK)
{
QApplication::restoreOverrideCursor();
QMessageBox::warning(0, tr("Unable to access relation"),
tr("Unable to access the ") + tableName +
tr(" relation.\nThe error message from the database was:\n") +
PQresultErrorMessage(testAccess) + ".\n");
QApplication::setOverrideCursor(Qt::waitCursor);
PQclear(testAccess);
valid = false;
return;
}
PQclear(testAccess);
/* Check to see if we have GEOS support and if not, warn the user about
the problems they will see :) */
#ifdef QGISDEBUG
std::cerr << "Checking for GEOS support" << std::endl;
#endif
if(!hasGEOS(pd)){
if(!hasGEOS(pd))
{
QApplication::restoreOverrideCursor();
QMessageBox::warning(0, "No GEOS Support!",
"Your PostGIS installation has no GEOS support.\nFeature selection and "
QMessageBox::warning(0, tr("No GEOS Support!"),
tr("Your PostGIS installation has no GEOS support.\nFeature selection and "
"identification will not work properly.\nPlease install PostGIS with "
"GEOS support (http://geos.refractions.net)");
"GEOS support (http://geos.refractions.net)"));
QApplication::setOverrideCursor(Qt::waitCursor);
}
//--std::cout << "Connection to the database was successful\n";
// set the schema
PQexec(pd,(const char *)QString("set search_path = '%1','public'").arg(mSchema));
// store the connection for future use
connection = pd;
if (getGeometryDetails()) // gets srid and geometry type
{
@ -182,7 +207,7 @@ QgsPostgresProvider::QgsPostgresProvider(QString uri):dataSourceUri(uri)
selectSQL = "select ";
// Populate the field vector for this layer. The field vector contains
// field name, type, length, and precision (if numeric)
QString sql = "select * from \"" + tableName + "\" limit 1";
sql = "select * from \"" + tableName + "\" limit 1";
PGresult* result = PQexec(pd, (const char *) sql);
//--std::cout << "Field: Name, Type, Size, Modifier:" << std::endl;
for (int i = 0; i < PQnfields(result); i++)