Unique index creation

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/dialogs/struct/EditIndexDialog.java

@@ -23,6 +23,7 @@ import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Shell;
@@ -45,6 +46,7 @@ public class EditIndexDialog extends AttributesSelectorDialog {
 
     private List<DBSIndexType> indexTypes;
     private DBSIndexType selectedIndexType;
+    private boolean unique;
 
     public EditIndexDialog(
         Shell shell,
@@ -78,6 +80,14 @@ public class EditIndexDialog extends AttributesSelectorDialog {
                 selectedIndexType = indexTypes.get(typeCombo.getSelectionIndex());
             }
         });
+
+        final Button uniqueButton = UIUtils.createLabelCheckbox(panel, "Unique", false);
+        uniqueButton.addSelectionListener(new SelectionAdapter() {
+            @Override
+            public void widgetSelected(SelectionEvent e) {
+                unique = uniqueButton.getSelection();
+            }
+        });
     }
 
     public DBSIndexType getIndexType()
@@ -85,4 +95,7 @@ public class EditIndexDialog extends AttributesSelectorDialog {
         return selectedIndexType;
     }
 
+    public boolean isUnique() {
+        return unique;
+    }
 }

plugins/org.jkiss.dbeaver.ext.db2/src/org/jkiss/dbeaver/ext/db2/manager/DB2IndexManager.java

@@ -27,6 +27,7 @@ import org.jkiss.dbeaver.ext.db2.model.DB2IndexColumn;
 import org.jkiss.dbeaver.ext.db2.model.DB2TableBase;
 import org.jkiss.dbeaver.ext.db2.model.DB2TableColumn;
 import org.jkiss.dbeaver.ext.db2.model.dict.DB2IndexType;
+import org.jkiss.dbeaver.ext.db2.model.dict.DB2UniqueRule;
 import org.jkiss.dbeaver.model.edit.DBECommandContext;
 import org.jkiss.dbeaver.model.impl.DBObjectNameCaseTransformer;
 import org.jkiss.dbeaver.model.impl.DBSObjectCache;
@@ -89,7 +90,11 @@ public class DB2IndexManager extends SQLIndexManager<DB2Index, DB2TableBase> {
         String indexBaseName = String.format(CONS_IX_NAME, tableName, colName);
         String indexName = DBObjectNameCaseTransformer.transformName(db2Table.getDataSource(), indexBaseName);
 
-        DB2Index index = new DB2Index(db2Table, indexName, editDialog.getIndexType());
+        DB2Index index = new DB2Index(
+            db2Table,
+            indexName,
+            editDialog.getIndexType(),
+            editDialog.isUnique() ? DB2UniqueRule.U : DB2UniqueRule.D);
 
         int colIndex = 1;
         for (DBSEntityAttribute tableColumn : editDialog.getSelectedAttributes()) {

plugins/org.jkiss.dbeaver.ext.db2/src/org/jkiss/dbeaver/ext/db2/model/DB2Index.java

@@ -113,12 +113,13 @@ public class DB2Index extends JDBCTableIndex<DB2Schema, DB2TableBase> {
 
         // DF: Could have been done in constructor. More "readable" to do it here
         this.db2IndexType = CommonUtils.valueOf(DB2IndexType.class, JDBCUtils.safeGetStringTrimmed(dbResult, "INDEXTYPE"));
-        this.indexType = db2IndexType.getDBSIndexType();
+        this.indexType = db2IndexType == null ? DBSIndexType.UNKNOWN : db2IndexType.getDBSIndexType();
     }
 
-    public DB2Index(DB2TableBase db2Table, String indexName, DBSIndexType indexType)
+    public DB2Index(DB2TableBase db2Table, String indexName, DBSIndexType indexType, DB2UniqueRule uniqueRule)
     {
         super(db2Table.getSchema(), db2Table, indexName, indexType, false);
+        this.uniqueRule = uniqueRule;
     }
 
     // -----------------

plugins/org.jkiss.dbeaver.ext.generic/src/org/jkiss/dbeaver/ext/generic/edit/GenericIndexManager.java

@@ -64,7 +64,7 @@ public class GenericIndexManager extends SQLIndexManager<GenericTableIndex, Gene
 
         final GenericTableIndex index = new GenericTableIndex(
             parent,
-            false,
+            !editDialog.isUnique(),
             null,
             0,
             null,

plugins/org.jkiss.dbeaver.ext.mysql/src/org/jkiss/dbeaver/ext/mysql/edit/MySQLIndexManager.java

@@ -62,7 +62,7 @@ public class MySQLIndexManager extends SQLIndexManager<MySQLTableIndex, MySQLTab
 
         final MySQLTableIndex index = new MySQLTableIndex(
             parent,
-            false,
+            !editDialog.isUnique(),
             null,
             editDialog.getIndexType(),
             null);

plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/edit/OracleIndexManager.java

@@ -72,7 +72,7 @@ public class OracleIndexManager extends SQLIndexManager<OracleTableIndex, Oracle
             parent.getSchema(),
             parent,
             DBObjectNameCaseTransformer.transformName(parent.getDataSource(), idxName.toString()),
-            false,
+            editDialog.isUnique(),
             editDialog.getIndexType());
         int colIndex = 1;
         for (DBSEntityAttribute tableColumn : editDialog.getSelectedAttributes()) {

plugins/org.jkiss.dbeaver.ext.postgresql/src/org/jkiss/dbeaver/ext/postgresql/edit/PostgreIndexManager.java

@@ -63,7 +63,8 @@ public class PostgreIndexManager extends SQLIndexManager<PostgreIndex, PostgreTa
         final PostgreIndex index = new PostgreIndex(
             parent,
             idxName.toString(),
-            editDialog.getIndexType());
+            editDialog.getIndexType(),
+            editDialog.isUnique());
         int colIndex = 1;
         for (DBSEntityAttribute tableColumn : editDialog.getSelectedAttributes()) {
             if (colIndex == 1) {

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

@@ -70,8 +70,9 @@ public class PostgreIndex extends JDBCTableIndex<PostgreSchema, PostgreTableBase
         this.amId = JDBCUtils.safeGetLong(dbResult, "relam");
     }
 
-    public PostgreIndex(PostgreTableBase parent, String name, DBSIndexType indexType) {
+    public PostgreIndex(PostgreTableBase parent, String name, DBSIndexType indexType, boolean unique) {
         super(parent.getContainer(), parent, name, indexType, false);
+        this.isUnique = unique;
     }
 
     @NotNull

plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/sql/edit/struct/SQLIndexManager.java

@@ -53,8 +53,11 @@ public abstract class SQLIndexManager<OBJECT_TYPE extends JDBCTableIndex<? exten
         index.setName(indexName);
 
         StringBuilder decl = new StringBuilder(40);
-        decl
-            .append("CREATE INDEX ").append(indexName) //$NON-NLS-1$
+        decl.append("CREATE ");
+        if (index.isUnique()) {
+            decl.append("UNIQUE ");
+        }
+        decl.append("INDEX ").append(indexName) //$NON-NLS-1$
             .append(" ON ").append(table.getFullQualifiedName()) //$NON-NLS-1$
             .append(" ("); //$NON-NLS-1$
         // Get columns using void monitor