field.IgnoreMigration = true
		case "migration":
			field.IgnoreMigration = true
		}
	}

	if v, ok := field.TagSettings["->"]; ok {
		field.Creatable = false
		field.Updatable = false
		if strings.ToLower(v) == "false" {
			field.Readable = false
		} else {
			field.Readable = true
		}
	}

	if v, ok := field.TagSettings["<-"]; ok {
		field.Creatable = true
		field.Updatable = true

     *
     * @param field the field (must not be {@literal null})
     * @return {@literal true} if it is an instance field
     */
    public static boolean isInstanceField(final Field field) {
        assertArgumentNotNull("field", field);

        return !Modifier.isStatic(field.getModifiers());
    }

    /**
     * Checks if the given field is a public field.
     *

				Field: &schema.Field{Name: "Data1A"},
			}, {
				Field: &schema.Field{Name: "Data1B"},
			}, {
				Field: &schema.Field{Name: "Data1C"},
			}},
		},
		{
			Name:  "idx_user_indices_comp_id2",
			Class: "UNIQUE",
			Fields: []schema.IndexOption{{
				Field: &schema.Field{Name: "Data2C"},
			}, {
				Field: &schema.Field{Name: "Data2A"},
			}, {
				Field: &schema.Field{Name: "Data2B"},

    protected AvgAggregationBuilder regAvgA(String name, String field) {
        AvgAggregationBuilder builder = AggregationBuilders.avg(name).field(field);
        regA(builder);
        return builder;
    }

    protected MaxAggregationBuilder regMaxA(String name, String field) {
        MaxAggregationBuilder builder = AggregationBuilders.max(name).field(field);
        regA(builder);
        return builder;
    }

 * <li>{@link #QUERY_FREQ} - The query frequency field.</li>
 * <li>{@link #DOC_FREQ} - The document frequency field.</li>
 * <li>{@link #USER_BOOST} - The user boost field.</li>
 * <li>{@link #KINDS} - The kinds field.</li>
 * <li>{@link #TIMESTAMP} - The timestamp field.</li>
 * <li>{@link #TAGS} - The tags field.</li>
 * <li>{@link #ROLES} - The roles field.</li>
 * <li>{@link #FIELDS} - The fields field.</li>

			}

			if stmt.Schema != nil {
				if field := stmt.Schema.LookUpField(k); field != nil {
					if field.DBName != "" {
						if v, ok := selectColumns[field.DBName]; (ok && v) || (!ok && !restricted) {
							set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: kv})
							assignValue(field, value[k])
						}
					} else if v, ok := selectColumns[field.Name]; (ok && v) || (!ok && !restricted) {

            purposes.</description>
        </field>
        <field>
          <name>activation</name>
          <version>1.0.0</version>
          <description><![CDATA[The conditional logic which will automatically
            trigger the inclusion of this profile.]]></description>
          <association>
            <type>Activation</type>
          </association>
        </field>
        <field>
          <name>properties</name>

    }

    /**
     * Checks if the specified field is an instance field.
     *
     * @param field
     *            the field to check. Must not be null.
     * @return true if instance field, false otherwise
     */
    public static boolean isInstanceField(final Field field) {
        assertArgumentNotNull("field", field);

        final int m = field.getModifiers();
        return !isStatic(m) && !isFinal(m);

				field := stmt.Schema.FieldsByDBName[column.Name]
				if values.Values[0][idx], isZero = field.ValueOf(stmt.Context, stmt.ReflectValue); isZero {
					if field.DefaultValueInterface != nil {
						values.Values[0][idx] = field.DefaultValueInterface
						stmt.AddError(field.Set(stmt.Context, stmt.ReflectValue, field.DefaultValueInterface))
					} else if field.AutoCreateTime > 0 || field.AutoUpdateTime > 0 {

  /** The HTTP {@code Cache-Control} header field name. */
  public static final String CACHE_CONTROL = "Cache-Control";

  /** The HTTP {@code Content-Length} header field name. */
  public static final String CONTENT_LENGTH = "Content-Length";

  /** The HTTP {@code Content-Type} header field name. */
  public static final String CONTENT_TYPE = "Content-Type";

  /** The HTTP {@code Date} header field name. */