## 🗄 `Field`

🥇, 👆 ✔️ 🗄 ⚫️:

{* ../../docs_src/body_fields/tutorial001.py hl[4] *}

/// warning

👀 👈 `Field` 🗄 🔗 ⚪️➡️ `pydantic`, 🚫 ⚪️➡️ `fastapi` 🌐 🎂 (`Query`, `Path`, `Body`, ♒️).

///

## 📣 🏷 🔢

👆 💪 ⤴️ ⚙️ `Field` ⏮️ 🏷 🔢:

{* ../../docs_src/body_fields/tutorial001.py hl[11:14] *}

          <description></description>
        </field>
        <field xml.tagName="role-hint">
          <name>roleHint</name>
          <type>String</type>
          <description></description>
        </field>
        <field xml.tagName="field-name">
          <name>fieldName</name>
          <required>true</required>
          <type>String</type>
          <description>The field name which has this requirement.</description>

    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;
    }

				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"},

     * Returns the field.
     *
     * @return the field
     */
    Field getField();

    /**
     * Returns the field name.
     *
     * @return the field name
     */
    String getFieldName();

    /**
     * Returns the type of the field.
     *
     * @param <T>
     *            the type of the field
     * @return the type of the field
     */
    <T> Class<T> getFieldType();

    /**

        assertTrue(result instanceof DefaultQueryBuilder);

        // Verify query was processed
        // Note: Field logging behavior depends on implementation
    }

    public void test_convertPhraseQuery_singleTerm_defaultField_dismax() {
        // Test with single term in default field with boost > 1
        PhraseQuery.Builder builder = new PhraseQuery.Builder();

    }

    @Override
    public Field getField() {
        return field;
    }

    /**
     * Sets the public field recognized as a property.
     *
     * @param field
     *            The public field recognized as a property.
     */
    public void setField(final Field field) {
        this.field = field;
        if (field != null && ModifierUtil.isPublic(field)) {
            readable = true;

	// Columns
	AddColumn(dst interface{}, field string) error
	DropColumn(dst interface{}, field string) error
	AlterColumn(dst interface{}, field string) error
	MigrateColumn(dst interface{}, field *schema.Field, columnType ColumnType) error
	// MigrateColumnUnique migrate column's UNIQUE constraint, it's part of MigrateColumn.
	MigrateColumnUnique(dst interface{}, field *schema.Field, columnType ColumnType) error

import java.lang.reflect.Field;

/**
 * Signals that a field could not be made accessible.
 */
public class BeanFieldSetAccessibleFailureException extends ClRuntimeException {
    private static final long serialVersionUID = 1L;

    /**
     * The target class.
     */
    protected final Class<?> targetClass;

    /**
     * The target field.
     */

                assertTrue("Field name should match pattern: " + field.getName(), labelPattern.matcher(field.getName()).matches());

                // Check field value follows convention
                field.setAccessible(true);
                String value = (String) field.get(null);
                assertNotNull("Field value should not be null: " + field.getName(), value);