diff --git a/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditorNested.java b/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditorNested.java
index 2536c393fadb6bc6b58b56fe3e4506a901b62df9..de6ce06bd8557df21640568ae3ae06ceae496324 100644
--- a/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditorNested.java
+++ b/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditorNested.java
@@ -39,6 +39,7 @@ import org.eclipse.swt.events.FocusEvent;
 import org.eclipse.swt.events.FocusListener;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
+import org.eclipse.ui.IEditorInput;
 import org.eclipse.ui.IEditorSite;
 import org.eclipse.ui.part.MultiPageEditorSite;
 import org.eclipse.ui.texteditor.IDocumentProvider;
@@ -49,6 +50,7 @@ import org.jkiss.dbeaver.model.exec.DBCExecutionContext;
 import org.jkiss.dbeaver.model.exec.compile.DBCCompileLog;
 import org.jkiss.dbeaver.model.exec.compile.DBCSourceHost;
 import org.jkiss.dbeaver.model.navigator.DBNDatabaseNode;
+import org.jkiss.dbeaver.model.preferences.DBPPropertySource;
 import org.jkiss.dbeaver.model.runtime.AbstractJob;
 import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
 import org.jkiss.dbeaver.model.sql.SQLUtils;
@@ -84,28 +86,31 @@ public abstract class SQLEditorNested<T extends DBSObject>
         //setHasVerticalRuler(false);
     }
 
-    @Override
-    public IDatabaseEditorInput getEditorInput() {
+    public IDatabaseEditorInput getDatabaseEditorInput() {
         return (IDatabaseEditorInput)super.getEditorInput();
     }
 
     @Override
     public T getSourceObject()
     {
-        IDatabaseEditorInput editorInput = getEditorInput();
-        if (editorInput == null) {
+        IEditorInput editorInput = getEditorInput();
+        if (!(editorInput instanceof IDatabaseEditorInput)) {
             return null;
         }
-        return (T) editorInput.getDatabaseObject();
+        return (T) ((IDatabaseEditorInput)editorInput).getDatabaseObject();
     }
 
     @Override
     public DBCExecutionContext getExecutionContext() {
-        IDatabaseEditorInput editorInput = getEditorInput();
-        if (editorInput == null) {
+        IEditorInput editorInput = getEditorInput();
+        if (!(editorInput instanceof IDatabaseEditorInput)) {
             return null;
         }
-        return editorInput.getExecutionContext();
+        return ((IDatabaseEditorInput)editorInput).getExecutionContext();
+    }
+
+    public DBPPropertySource getInputPropertySource() {
+        return getDatabaseEditorInput().getPropertySource();
     }
 
     @Override
@@ -273,8 +278,7 @@ public abstract class SQLEditorNested<T extends DBSObject>
 
         @Override
         protected IAnnotationModel createAnnotationModel(Object element) throws CoreException {
-            IDatabaseEditorInput editorInput = SQLEditorNested.this.getEditorInput();
-            DBSObject databaseObject = editorInput.getDatabaseObject();
+            DBSObject databaseObject = getSourceObject();
             DBNDatabaseNode node = DBeaverCore.getInstance().getNavigatorModel().getNodeByObject(databaseObject);
             IResource resource = DBeaverIDECore.resolveWorkspaceResource(databaseObject);
             if (resource != null) {
diff --git a/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/sql/SQLSourceViewer.java b/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/sql/SQLSourceViewer.java
index 4b5d5fb3e4b1fd55d931116eb6bd819d19fef6ee..e389b76264edaafb80223ea31e36657efb75da86 100644
--- a/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/sql/SQLSourceViewer.java
+++ b/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/sql/SQLSourceViewer.java
@@ -18,6 +18,7 @@
 package org.jkiss.dbeaver.ui.editors.sql;
 
 import org.eclipse.jface.action.*;
+import org.eclipse.ui.IEditorInput;
 import org.jkiss.dbeaver.DBException;
 import org.jkiss.dbeaver.model.DBPDataSource;
 import org.jkiss.dbeaver.model.DBPScriptObject;
@@ -59,14 +60,16 @@ public class SQLSourceViewer<T extends DBPScriptObject & DBSObject> extends SQLE
     }
 
     protected Map<String, Object> getSourceOptions() {
-        IDatabaseEditorInput editorInput = getEditorInput();
-        Collection<String> attributeNames = editorInput.getAttributeNames();
+        IEditorInput editorInput = getEditorInput();
         Map<String, Object> options = new HashMap<>();
-        options.put(DBPScriptObject.OPTION_DDL_SOURCE, true);
-        if (!attributeNames.isEmpty()) {
-            for (String name : attributeNames) {
-                Object attribute = editorInput.getAttribute(name);
-                options.put(name, attribute);
+        if (editorInput instanceof IDatabaseEditorInput) {
+            Collection<String> attributeNames = ((IDatabaseEditorInput)editorInput).getAttributeNames();
+            options.put(DBPScriptObject.OPTION_DDL_SOURCE, true);
+            if (!attributeNames.isEmpty()) {
+                for (String name : attributeNames) {
+                    Object attribute = ((IDatabaseEditorInput)editorInput).getAttribute(name);
+                    options.put(name, attribute);
+                }
             }
         }
         return options;
diff --git a/plugins/org.jkiss.dbeaver.ext.db2/src/org/jkiss/dbeaver/ext/db2/editors/DB2RoutineDDLEditor.java b/plugins/org.jkiss.dbeaver.ext.db2/src/org/jkiss/dbeaver/ext/db2/editors/DB2RoutineDDLEditor.java
index 05db1b395b7821351d794c86523c6877d536b07a..7f497319b2d4f0a400f53ceba884aac9e490a3ca 100644
--- a/plugins/org.jkiss.dbeaver.ext.db2/src/org/jkiss/dbeaver/ext/db2/editors/DB2RoutineDDLEditor.java
+++ b/plugins/org.jkiss.dbeaver.ext.db2/src/org/jkiss/dbeaver/ext/db2/editors/DB2RoutineDDLEditor.java
@@ -68,7 +68,7 @@ public class DB2RoutineDDLEditor extends SQLSourceViewer<DB2Routine> {
                     {
                         for (DB2DDLFormat format : DB2DDLFormat.values()) {
                             if (format.ordinal() == ddlFormatCombo.getSelectionIndex()) {
-                                getEditorInput().getDatabaseObject().getDataSource().getContainer().getPreferenceStore()
+                                getSourceObject().getDataSource().getContainer().getPreferenceStore()
                                     .setValue(DB2Constants.PREF_KEY_DDL_FORMAT, format.name());
                                 refreshPart(this, true);
                                 break;
diff --git a/plugins/org.jkiss.dbeaver.ext.exasol/src/org/jkiss/dbeaver/ext/exasol/editors/ExasolSourceViewEditor.java b/plugins/org.jkiss.dbeaver.ext.exasol/src/org/jkiss/dbeaver/ext/exasol/editors/ExasolSourceViewEditor.java
index b659194c14dd52b0ed072f0c654a2087ed24b19d..3f63cf2429dfb386efaf48ecbee7727273f087ad 100644
--- a/plugins/org.jkiss.dbeaver.ext.exasol/src/org/jkiss/dbeaver/ext/exasol/editors/ExasolSourceViewEditor.java
+++ b/plugins/org.jkiss.dbeaver.ext.exasol/src/org/jkiss/dbeaver/ext/exasol/editors/ExasolSourceViewEditor.java
@@ -34,7 +34,7 @@ public class ExasolSourceViewEditor extends SQLSourceViewer<ExasolSourceObject>
     @Override
     protected void setSourceText(DBRProgressMonitor monitor, String sourceText)
     {
-        getEditorInput().getPropertySource().setPropertyValue(monitor, "objectDefinitionText", sourceText);
+        getInputPropertySource().setPropertyValue(monitor, "objectDefinitionText", sourceText);
     }
 
 }
diff --git a/plugins/org.jkiss.dbeaver.ext.mysql/src/org/jkiss/dbeaver/ext/mysql/editors/MySQLPackageBodyEditor.java b/plugins/org.jkiss.dbeaver.ext.mysql/src/org/jkiss/dbeaver/ext/mysql/editors/MySQLPackageBodyEditor.java
index 7191b37efde1644a28b44262437012896a2af188..d339784b23bcb820cf0bf145237184dce58a0e6a 100644
--- a/plugins/org.jkiss.dbeaver.ext.mysql/src/org/jkiss/dbeaver/ext/mysql/editors/MySQLPackageBodyEditor.java
+++ b/plugins/org.jkiss.dbeaver.ext.mysql/src/org/jkiss/dbeaver/ext/mysql/editors/MySQLPackageBodyEditor.java
@@ -45,7 +45,7 @@ public class MySQLPackageBodyEditor extends SQLSourceViewer<MySQLSourceObject> {
 
     @Override
     protected void setSourceText(DBRProgressMonitor monitor, String sourceText) {
-        getEditorInput().getPropertySource().setPropertyValue(
+        getInputPropertySource().setPropertyValue(
             monitor,
             "extendedDefinitionText",
             sourceText);
diff --git a/plugins/org.jkiss.dbeaver.ext.mysql/src/org/jkiss/dbeaver/ext/mysql/editors/MySQLSourceViewEditor.java b/plugins/org.jkiss.dbeaver.ext.mysql/src/org/jkiss/dbeaver/ext/mysql/editors/MySQLSourceViewEditor.java
index 1fa4ef7762e4acaef126b606c7428200a3aafafd..e6c6eb45dc8caea11fd162751958f739cb4c1fe5 100644
--- a/plugins/org.jkiss.dbeaver.ext.mysql/src/org/jkiss/dbeaver/ext/mysql/editors/MySQLSourceViewEditor.java
+++ b/plugins/org.jkiss.dbeaver.ext.mysql/src/org/jkiss/dbeaver/ext/mysql/editors/MySQLSourceViewEditor.java
@@ -39,7 +39,7 @@ public class MySQLSourceViewEditor extends SQLSourceViewer<MySQLSourceObject> {
     @Override
     protected void setSourceText(DBRProgressMonitor monitor, String sourceText)
     {
-        getEditorInput().getPropertySource().setPropertyValue(monitor, "objectDefinitionText", sourceText);
+        getInputPropertySource().setPropertyValue(monitor, "objectDefinitionText", sourceText);
     }
 
 }
\ No newline at end of file
diff --git a/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/OracleObjectDDLEditor.java b/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/OracleObjectDDLEditor.java
index 52964e2442f04939a1edac2a498b8891286d5acd..ff241c8debcb26cf7373218428fab1d1fcbca2a9 100644
--- a/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/OracleObjectDDLEditor.java
+++ b/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/OracleObjectDDLEditor.java
@@ -63,7 +63,7 @@ public class OracleObjectDDLEditor extends SQLSourceViewer<OracleTable> {
                     public void widgetSelected(SelectionEvent e) {
                         for (OracleDDLFormat format : OracleDDLFormat.values()) {
                             if (format.ordinal() == ddlFormatCombo.getSelectionIndex()) {
-                                getEditorInput().getDatabaseObject().getDataSource().getContainer().getPreferenceStore().setValue(
+                                getSourceObject().getDataSource().getContainer().getPreferenceStore().setValue(
                                     OracleConstants.PREF_KEY_DDL_FORMAT, format.name());
                                 refreshPart(this, true);
                                 break;
diff --git a/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/OracleSourceDeclarationEditor.java b/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/OracleSourceDeclarationEditor.java
index 1320324d28e37451c5a7dc5b7de1f6f14ec133cf..81a1ee36fa8e284c7169747533601456dc05f201 100644
--- a/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/OracleSourceDeclarationEditor.java
+++ b/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/OracleSourceDeclarationEditor.java
@@ -34,7 +34,7 @@ public class OracleSourceDeclarationEditor extends SQLSourceViewer<OracleSourceO
 
     @Override
     protected void setSourceText(DBRProgressMonitor monitor, String sourceText) {
-        getEditorInput().getPropertySource().setPropertyValue(
+        getInputPropertySource().setPropertyValue(
             monitor,
             OracleConstants.PROP_OBJECT_DEFINITION,
             sourceText);
diff --git a/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/OracleSourceDefinitionEditor.java b/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/OracleSourceDefinitionEditor.java
index a0d93889befec077e5056486fa8127782e8c810c..17a42281d507247e43d056c16cab1abfbfa91519 100644
--- a/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/OracleSourceDefinitionEditor.java
+++ b/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/OracleSourceDefinitionEditor.java
@@ -42,7 +42,7 @@ public class OracleSourceDefinitionEditor extends SQLSourceViewer<OracleSourceOb
 
     @Override
     protected void setSourceText(DBRProgressMonitor monitor, String sourceText) {
-        getEditorInput().getPropertySource().setPropertyValue(
+        getInputPropertySource().setPropertyValue(
             monitor,
             OracleConstants.PROP_OBJECT_BODY_DEFINITION,
             sourceText);
diff --git a/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/SchedulerJobActionEditor.java b/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/SchedulerJobActionEditor.java
index b631576d2b443272d96089c8b70b88fba8eab07d..516cb9e6137ea7c1a2aac73ecfdea2ddd6a93d39 100644
--- a/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/SchedulerJobActionEditor.java
+++ b/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/editors/SchedulerJobActionEditor.java
@@ -44,7 +44,7 @@ public class SchedulerJobActionEditor extends SQLSourceViewer<OracleSchedulerJob
 
     @Override
     protected void setSourceText(DBRProgressMonitor monitor, String sourceText) {
-        getEditorInput().getPropertySource().setPropertyValue(
+        getInputPropertySource().setPropertyValue(
             monitor,
             OracleConstants.PROP_OBJECT_BODY_DEFINITION,
             sourceText);
diff --git a/plugins/org.jkiss.dbeaver.ext.postgresql/src/org/jkiss/dbeaver/ext/postgresql/ui/editors/PostgreSourceViewEditor.java b/plugins/org.jkiss.dbeaver.ext.postgresql/src/org/jkiss/dbeaver/ext/postgresql/ui/editors/PostgreSourceViewEditor.java
index ceb766f2970575f26412dbcee47cdc99b5863b17..faeefbe3dea19c77298a182ba1717136a5adb5a7 100644
--- a/plugins/org.jkiss.dbeaver.ext.postgresql/src/org/jkiss/dbeaver/ext/postgresql/ui/editors/PostgreSourceViewEditor.java
+++ b/plugins/org.jkiss.dbeaver.ext.postgresql/src/org/jkiss/dbeaver/ext/postgresql/ui/editors/PostgreSourceViewEditor.java
@@ -18,14 +18,8 @@
 package org.jkiss.dbeaver.ext.postgresql.ui.editors;
 
 import org.eclipse.jface.action.Action;
-import org.eclipse.jface.action.ControlContribution;
 import org.eclipse.jface.action.IContributionManager;
 import org.eclipse.jface.action.Separator;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
 import org.jkiss.dbeaver.ext.postgresql.PostgreConstants;
 import org.jkiss.dbeaver.ext.postgresql.model.*;
 import org.jkiss.dbeaver.model.DBIcon;
@@ -33,7 +27,6 @@ import org.jkiss.dbeaver.model.DBPScriptObject;
 import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
 import org.jkiss.dbeaver.ui.ActionUtils;
 import org.jkiss.dbeaver.ui.DBeaverIcons;
-import org.jkiss.dbeaver.ui.UIUtils;
 import org.jkiss.dbeaver.ui.editors.sql.SQLSourceViewer;
 import org.jkiss.utils.CommonUtils;
 
@@ -74,7 +67,7 @@ public class PostgreSourceViewEditor extends SQLSourceViewer<PostgreScriptObject
     @Override
     protected void setSourceText(DBRProgressMonitor monitor, String sourceText)
     {
-        getEditorInput().getPropertySource().setPropertyValue(monitor, "objectDefinitionText", sourceText);
+        getInputPropertySource().setPropertyValue(monitor, "objectDefinitionText", sourceText);
     }
 
     @Override
@@ -93,7 +86,7 @@ public class PostgreSourceViewEditor extends SQLSourceViewer<PostgreScriptObject
                     }
                     @Override
                     public void run() {
-                        getEditorInput().setAttribute(DBPScriptObject.OPTION_DEBUGGER_SOURCE, !isChecked());
+                        getDatabaseEditorInput().setAttribute(DBPScriptObject.OPTION_DEBUGGER_SOURCE, !isChecked());
                         refreshPart(PostgreSourceViewEditor.this, true);
                     }
                 }, true));
@@ -142,7 +135,7 @@ public class PostgreSourceViewEditor extends SQLSourceViewer<PostgreScriptObject
 
     private boolean isInDebugMode() {
         return CommonUtils.getBoolean(
-                getEditorInput().getAttribute(DBPScriptObject.OPTION_DEBUGGER_SOURCE), false);
+            getDatabaseEditorInput().getAttribute(DBPScriptObject.OPTION_DEBUGGER_SOURCE), false);
     }
 }