enum-support: create table (with enum column) from select statement

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

@@ -16,6 +16,7 @@ import org.h2.engine.Database;
 import org.h2.engine.DbObject;
 import org.h2.engine.Session;
 import org.h2.expression.Expression;
+import org.h2.expression.ExpressionColumn;
 import org.h2.message.DbException;
 import org.h2.schema.Schema;
 import org.h2.schema.Sequence;
@@ -248,7 +249,18 @@ public class CreateTable extends SchemaCommand {
             if (scale > precision) {
                 precision = scale;
             }
-            Column col = new Column(name, type, precision, scale, displaySize);
+            String[] enumerators = null;
+            if (dt.enumerated) {
+                /**
+                 * Only columns of tables may be enumerated.
+                 */
+                if(!(expr instanceof ExpressionColumn)) {
+                    throw DbException.get(ErrorCode.GENERAL_ERROR_1,
+                            "Unable to resolve enumerators of expression");
+                }
+                enumerators = ((ExpressionColumn)expr).getColumn().getEnumerators();
+            }
+            Column col = new Column(name, type, precision, scale, displaySize, enumerators);
             addColumn(col);
         }
     }

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

@@ -6,7 +6,7 @@
 package org.h2.table;
 
 import java.sql.ResultSetMetaData;
-import java.util.Iterator;
+import java.util.Arrays;
 import org.h2.api.ErrorCode;
 import org.h2.command.Parser;
 import org.h2.engine.Constants;
@@ -470,6 +470,7 @@ public class Column {
                         buff.append(',');
                     }
                 }
+                buff.append(')');
             case Value.BYTES:
             case Value.STRING:
             case Value.STRING_IGNORECASE:
@@ -779,7 +780,7 @@ public class Column {
         displaySize = source.displaySize;
         name = source.name;
         precision = source.precision;
-        enumerators = source.enumerators;
+        enumerators = Arrays.copyOf(source.enumerators, source.enumerators.length);
         scale = source.scale;
         // table is not set
         // columnId is not set

h2/src/main/org/h2/value/ValueEnum.java

@@ -80,7 +80,7 @@ public class ValueEnum extends Value {
                 return;
             default:
                 throw DbException.get(ErrorCode.VALUE_NOT_PERMITTED,
-                        "Provided value is does not match any enumerators");
+                        "Provided value does not match any enumerators", value.toString());
         }
     }