#5548 Database description reading fix (pg >= 9.4)

Former-commit-id: b20db0bc

plugins/org.jkiss.dbeaver.ext.postgresql/src/org/jkiss/dbeaver/ext/postgresql/model/PostgreDatabase.java

@@ -237,6 +237,7 @@ public class PostgreDatabase extends JDBCRemoteInstance<PostgreDataSource>
 
     @Property(viewable = true, multiline = true, order = 100)
     public String getDescription(DBRProgressMonitor monitor) throws DBException {
+        if (getDataSource().getServerType().supportsDatabaseDescription())
         if (description != null) {
             return description;
         }

plugins/org.jkiss.dbeaver.ext.postgresql/src/org/jkiss/dbeaver/ext/postgresql/model/PostgreServerExtension.java

@@ -99,4 +99,6 @@ public interface PostgreServerExtension
     boolean supportsExplainPlanXML();
 
     boolean supportsExplainPlanVerbose();
+
+    boolean supportsDatabaseDescription();
 }

plugins/org.jkiss.dbeaver.ext.postgresql/src/org/jkiss/dbeaver/ext/postgresql/model/impls/PostgreServerExtensionBase.java

@@ -317,6 +317,11 @@ public abstract class PostgreServerExtensionBase implements PostgreServerExtensi
         return true;
     }
 
+    @Override
+    public boolean supportsDatabaseDescription() {
+        return dataSource.isServerVersionAtLeast(9, 4);
+    }
+
     public String createWithClause(PostgreTableRegular table, PostgreTableBase tableBase) {
         StringBuilder withClauseBuilder = new StringBuilder();