Source code formatting.

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

@@ -89,83 +89,83 @@ public class AlterTableAlterColumn extends SchemaCommand {
             }
         }
         switch (type) {
-            case CommandInterface.ALTER_TABLE_ALTER_COLUMN_NOT_NULL: {
-                if (!oldColumn.isNullable()) {
-                    // no change
-                    break;
-                }
-                checkNoNullValues();
-                oldColumn.setNullable(false);
-                db.update(session, table);
+        case CommandInterface.ALTER_TABLE_ALTER_COLUMN_NOT_NULL: {
+            if (!oldColumn.isNullable()) {
+                // no change
                 break;
             }
-            case CommandInterface.ALTER_TABLE_ALTER_COLUMN_NULL: {
-                if (oldColumn.isNullable()) {
-                    // no change
-                    break;
-                }
-                checkNullable();
-                oldColumn.setNullable(true);
-                db.update(session, table);
+            checkNoNullValues();
+            oldColumn.setNullable(false);
+            db.update(session, table);
+            break;
+        }
+        case CommandInterface.ALTER_TABLE_ALTER_COLUMN_NULL: {
+            if (oldColumn.isNullable()) {
+                // no change
                 break;
             }
-            case CommandInterface.ALTER_TABLE_ALTER_COLUMN_DEFAULT: {
-                checkDefaultReferencesTable(defaultExpression);
-                oldColumn.setSequence(null);
-                oldColumn.setDefaultExpression(session, defaultExpression);
-                removeSequence(sequence);
+            checkNullable();
+            oldColumn.setNullable(true);
+            db.update(session, table);
+            break;
+        }
+        case CommandInterface.ALTER_TABLE_ALTER_COLUMN_DEFAULT: {
+            checkDefaultReferencesTable(defaultExpression);
+            oldColumn.setSequence(null);
+            oldColumn.setDefaultExpression(session, defaultExpression);
+            removeSequence(sequence);
+            db.update(session, table);
+            break;
+        }
+        case CommandInterface.ALTER_TABLE_ALTER_COLUMN_CHANGE_TYPE: {
+            // if the change is only increasing the precision, then we don't
+            // need to copy the table because the length is only a constraint,
+            // and does not affect the storage structure.
+            if (oldColumn.isWideningConversion(newColumn)) {
+                convertAutoIncrementColumn(newColumn);
+                oldColumn.copy(newColumn);
                 db.update(session, table);
-                break;
-            }
-            case CommandInterface.ALTER_TABLE_ALTER_COLUMN_CHANGE_TYPE: {
-                // if the change is only increasing the precision, then we don't
-                // need to copy the table because the length is only a constraint,
-                // and does not affect the storage structure.
-                if (oldColumn.isWideningConversion(newColumn)) {
-                    convertAutoIncrementColumn(newColumn);
-                    oldColumn.copy(newColumn);
-                    db.update(session, table);
-                } else {
-                    oldColumn.setSequence(null);
-                    oldColumn.setDefaultExpression(session, null);
-                    oldColumn.setConvertNullToDefault(false);
-                    if (oldColumn.isNullable() && !newColumn.isNullable()) {
-                        checkNoNullValues();
-                    } else if (!oldColumn.isNullable() && newColumn.isNullable()) {
-                        checkNullable();
-                    }
-                    convertAutoIncrementColumn(newColumn);
-                    copyData();
-                }
-                break;
-            }
-            case CommandInterface.ALTER_TABLE_ADD_COLUMN: {
-                // ifNotExists only supported for single column add
-                if (ifNotExists && columnsToAdd.size() == 1 && table.doesColumnExist(columnsToAdd.get(0).getName())) {
-                    break;
-                }
-                for (Column column : columnsToAdd) {
-                    convertAutoIncrementColumn(column);
+            } else {
+                oldColumn.setSequence(null);
+                oldColumn.setDefaultExpression(session, null);
+                oldColumn.setConvertNullToDefault(false);
+                if (oldColumn.isNullable() && !newColumn.isNullable()) {
+                    checkNoNullValues();
+                } else if (!oldColumn.isNullable() && newColumn.isNullable()) {
+                    checkNullable();
                 }
+                convertAutoIncrementColumn(newColumn);
                 copyData();
-                break;
             }
-            case CommandInterface.ALTER_TABLE_DROP_COLUMN: {
-                if (table.getColumns().length == 1) {
-                    throw DbException.get(ErrorCode.CANNOT_DROP_LAST_COLUMN, oldColumn.getSQL());
-                }
-                table.dropSingleColumnConstraintsAndIndexes(session, oldColumn);
-                copyData();
+            break;
+        }
+        case CommandInterface.ALTER_TABLE_ADD_COLUMN: {
+            // ifNotExists only supported for single column add
+            if (ifNotExists && columnsToAdd.size() == 1 && table.doesColumnExist(columnsToAdd.get(0).getName())) {
                 break;
             }
-            case CommandInterface.ALTER_TABLE_ALTER_COLUMN_SELECTIVITY: {
-                int value = newSelectivity.optimize(session).getValue(session).getInt();
-                oldColumn.setSelectivity(value);
-                db.update(session, table);
-                break;
+            for (Column column : columnsToAdd) {
+                convertAutoIncrementColumn(column);
             }
-            default:
-                DbException.throwInternalError("type=" + type);
+            copyData();
+            break;
+        }
+        case CommandInterface.ALTER_TABLE_DROP_COLUMN: {
+            if (table.getColumns().length == 1) {
+                throw DbException.get(ErrorCode.CANNOT_DROP_LAST_COLUMN, oldColumn.getSQL());
+            }
+            table.dropSingleColumnConstraintsAndIndexes(session, oldColumn);
+            copyData();
+            break;
+        }
+        case CommandInterface.ALTER_TABLE_ALTER_COLUMN_SELECTIVITY: {
+            int value = newSelectivity.optimize(session).getValue(session).getInt();
+            oldColumn.setSelectivity(value);
+            db.update(session, table);
+            break;
+        }
+        default:
+            DbException.throwInternalError("type=" + type);
         }
         return 0;
     }