Enum type support

Former-commit-id: e77e98bf

plugins/org.jkiss.dbeaver.ext.mysql/src/org/jkiss/dbeaver/ext/mysql/MySQLConstants.java

@@ -179,4 +179,5 @@ public class MySQLConstants {
     public static final String COL_CHECK_OPTION = "CHECK_OPTION";
     public static final String COL_VIEW_DEFINITION = "VIEW_DEFINITION";
 
+    public static final String TYPE_VARCHAR = "varchar";
 }

plugins/org.jkiss.dbeaver.ext.mysql/src/org/jkiss/dbeaver/ext/mysql/data/MySQLEnumValue.java

@@ -18,14 +18,16 @@
 package org.jkiss.dbeaver.ext.mysql.data;
 
 import org.jkiss.code.Nullable;
+import org.jkiss.dbeaver.ext.mysql.MySQLConstants;
 import org.jkiss.dbeaver.ext.mysql.model.MySQLTableColumn;
-import org.jkiss.dbeaver.model.data.DBDValue;
+import org.jkiss.dbeaver.model.data.DBDEnum;
+import org.jkiss.dbeaver.model.struct.DBSDataType;
 import org.jkiss.utils.CommonUtils;
 
 /**
  * Enum type
  */
-public class MySQLEnumValue implements DBDValue {
+public class MySQLEnumValue implements DBDEnum {
 
     private MySQLTableColumn column;
     private String value;
@@ -47,11 +49,22 @@ public class MySQLEnumValue implements DBDValue {
         return column;
     }
 
+    @Override
     public String getValue()
     {
         return value;
     }
 
+    @Override
+    public DBSDataType getElementType() {
+        return column.getDataSource().getDataType(MySQLConstants.TYPE_VARCHAR);
+    }
+
+    @Override
+    public Object[] getEnumElements() {
+        return column.getEnumValues().toArray();
+    }
+
     @Override
     public Object getRawValue() {
         return value;

plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/data/DBDEnum.java

@@ -18,11 +18,20 @@
 
 package org.jkiss.dbeaver.model.data;
 
+import org.jkiss.code.NotNull;
+import org.jkiss.dbeaver.model.struct.DBSDataType;
+
 /**
- * Resultset
+ * Enum value
  *
  * @author Serge Rider
  */
 public interface DBDEnum extends DBDValue {
 
+    Object getValue();
+
+    @NotNull
+    DBSDataType getElementType();
+
+    Object[] getEnumElements();
 }
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