more dependent views field and method naming more obvious

h2/src/main/org/h2/command/ddl/AlterTableAlterColumn.java

@@ -275,10 +275,10 @@ public class AlterTableAlterColumn extends SchemaCommand {
             throw DbException.get(ErrorCode.VIEW_IS_INVALID_2, e, getSQL(), e.getMessage());
         }
         String tableName = table.getName();
-        CopyOnWriteArrayList<TableView> views = table.getViews();
-        if (views != null) {
-            for (TableView view : views) {
-                table.removeView(view);
+        CopyOnWriteArrayList<TableView> dependentViews = table.getDependentViews();
+        if (dependentViews != null) {
+            for (TableView view : dependentViews) {
+                table.removeDependentView(view);
             }
         }
         execute("DROP TABLE " + table.getSQL() + " IGNORE", true);
@@ -306,8 +306,8 @@ public class AlterTableAlterColumn extends SchemaCommand {
                 db.renameSchemaObject(session, so, name);
             }
         }
-        if (views != null) {
-            for (TableView view : views) {
+        if (dependentViews != null) {
+            for (TableView view : dependentViews) {
                 String sql = view.getCreateSQL(true, true);
                 execute(sql, true);
             }

h2/src/main/org/h2/command/ddl/DropTable.java

@@ -73,10 +73,10 @@ public class DropTable extends SchemaCommand {
                 throw DbException.get(ErrorCode.CANNOT_DROP_TABLE_1, tableName);
             }
             if (dropAction == ConstraintReferential.RESTRICT) {
-                CopyOnWriteArrayList<TableView> views = table.getViews();
-                if (views != null && views.size() > 0) {
+                CopyOnWriteArrayList<TableView> dependentViews = table.getDependentViews();
+                if (dependentViews != null && dependentViews.size() > 0) {
                     StatementBuilder buff = new StatementBuilder();
-                    for (TableView v : views) {
+                    for (TableView v : dependentViews) {
                         buff.appendExceptFirst(", ");
                         buff.append(v.getName());
                     }

h2/src/main/org/h2/table/Table.java

@@ -79,7 +79,10 @@ public abstract class Table extends SchemaObjectBase {
     private ArrayList<TriggerObject> triggers;
     private ArrayList<Constraint> constraints;
     private ArrayList<Sequence> sequences;
-    private AtomicReference<CopyOnWriteArrayList<TableView>> views;
+    /**
+     * views that depend on this table
+     */
+    private AtomicReference<CopyOnWriteArrayList<TableView>> dependentViews;
     private ArrayList<TableSynonym> synonyms;
     private boolean checkForeignKeyConstraints = true;
     private boolean onCommitDrop, onCommitTruncate;
@@ -400,8 +403,8 @@ public abstract class Table extends SchemaObjectBase {
         if (sequences != null) {
             children.addAll(sequences);
         }
-        if (views.get() != null) {
-            children.addAll(views.get());
+        if (dependentViews.get() != null) {
+            children.addAll(dependentViews.get());
         }
         if (synonyms != null) {
             children.addAll(synonyms);
@@ -521,15 +524,15 @@ public abstract class Table extends SchemaObjectBase {
         }
     }
 
-    public CopyOnWriteArrayList<TableView> getViews() {
-        return views.get();
+    public CopyOnWriteArrayList<TableView> getDependentViews() {
+        return dependentViews.get();
     }
 
     @Override
     public void removeChildrenAndResources(Session session) {
-        while (views.get() != null && views.get().size() > 0) {
-            TableView view = views.get().get(0);
-            views.get().remove(0);
+        while (dependentViews.get() != null && dependentViews.get().size() > 0) {
+            TableView view = dependentViews.get().get(0);
+            dependentViews.get().remove(0);
             database.removeSchemaObject(session, view);
         }
         while (synonyms != null && synonyms.size() > 0) {
@@ -845,8 +848,8 @@ public abstract class Table extends SchemaObjectBase {
      *
      * @param view the view to remove
      */
-    public void removeView(TableView view) {
-        remove(views, view);
+    public void removeDependentView(TableView view) {
+        remove(dependentViews, view);
     }
 
     /**
@@ -890,8 +893,8 @@ public abstract class Table extends SchemaObjectBase {
      *
      * @param view the view to add
      */
-    public void addView(TableView view) {
-        add(views, view);
+    public void addDependentView(TableView view) {
+        add(dependentViews, view);
     }
 
     /**

h2/src/main/org/h2/table/TableView.java

@@ -136,10 +136,10 @@ public class TableView extends Table {
                 return e;
             }
         }
-        CopyOnWriteArrayList<TableView> views = getViews();
+        CopyOnWriteArrayList<TableView> dependentViews = getDependentViews();
         initColumnsAndTables(session, false);
-        if (views != null) {
-            for (TableView v : views) {
+        if (dependentViews != null) {
+            for (TableView v : dependentViews) {
                 DbException e = v.recompile(session, force, false);
                 if (e != null && !force) {
                     return e;
@@ -154,7 +154,7 @@ public class TableView extends Table {
 
     private void initColumnsAndTables(Session session, boolean literalsChecked) {
         Column[] cols;
-        removeViewFromTables();
+        removeDependentViewFromTables();
         try {
             Query query = compileViewQuery(session, querySQL, literalsChecked);
             this.querySQL = query.getPlanSQL();
@@ -229,7 +229,7 @@ public class TableView extends Table {
         }
         setColumns(cols);
         if (getId() != 0) {
-            addViewToTables();
+            addDependentViewToTables();
         }
     }
 
@@ -420,7 +420,7 @@ public class TableView extends Table {
 
     @Override
     public void removeChildrenAndResources(Session session) {
-        removeViewFromTables();
+        removeDependentViewFromTables();
         super.removeChildrenAndResources(session);
         database.removeMeta(session, getId());
         querySQL = null;
@@ -504,18 +504,18 @@ public class TableView extends Table {
         return null;
     }
 
-    private void removeViewFromTables() {
+    private void removeDependentViewFromTables() {
         if (tables != null) {
             for (Table t : tables) {
-                t.removeView(this);
+                t.removeDependentView(this);
             }
             tables.clear();
         }
     }
 
-    private void addViewToTables() {
+    private void addDependentViewToTables() {
         for (Table t : tables) {
-            t.addView(this);
+            t.addDependentView(this);
         }
     }