t.Fatalf("failed to auto migrate, got error: %v", err)
	}

	for _, name := range []string{"author_id", "author_name", "author_email"} {
		if !DB.Migrator().HasColumn(&EngadgetPost{}, name) {
			t.Errorf("should has prefixed column %v", name)
		}
	}

	stmt := gorm.Statement{DB: DB}
	if err := stmt.Parse(&EngadgetPost{}); err != nil {
		t.Fatalf("failed to parse embedded struct")

/**
 * Implementation of IndexUpdateCallback that handles file list index updates with concurrent processing.
 * This callback processes file events (create, modify, delete) and manages document indexing and deletion
 * operations in the search engine. It supports recursive crawling with configurable depth and access count limits.
 *
 * <p>The implementation uses an executor service for concurrent processing of file operations and maintains

        // Verify remark field
        Field remarkField = SmbShareInfo.class.getDeclaredField("remark");
        remarkField.setAccessible(true);
        assertEquals("Test remark", remarkField.get(msrpcShareInfo1));
    }

    @Test
    void testLevelParameter() throws Exception {
        // Verify that level is set to 1 as per the constructor

```console
$ pip install python-multipart
```

///

## Імпорт `File` та `Form`

{* ../../docs_src/request_forms_and_files/tutorial001_an_py39.py hl[3] *}

## Оголошення параметрів `File` та `Form`

Створіть параметри файлів та форми так само як і для `Body` або `Query`:

{* ../../docs_src/request_forms_and_files/tutorial001_an_py39.py hl[10:12] *}

```console
$ pip install python-multipart
```

///

## Импортируйте `File` и `Form` { #import-file-and-form }

{* ../../docs_src/request_forms_and_files/tutorial001_an_py39.py hl[3] *}

## Определите параметры `File` и `Form` { #define-file-and-form-parameters }

Создайте параметры файла и формы таким же образом, как для `Body` или `Query`:

            return field.get(obj);
        } catch (Exception e) {
            throw new RuntimeException("Failed to access field " + fieldName, e);
        }
    }

    /**
     * Test that the constructor initializes all fields correctly
     */
    @Test
    public void testConstructor() {
        // Arrange
        int fid = 0x1234;
        int offset = 100;
        int remaining = 50;

/*
 * Copyright 2022 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

        });
    }

    /**
     * Updates a single field of a document.
     *
     * @param id The document ID to update
     * @param field The field name to update
     * @param value The new value for the field
     * @return true if the update was successful, false otherwise
     */
    public boolean update(final String id, final String field, final Object value) {

            xpathAPI.set(cachedXPathAPI);
        }
        return cachedXPathAPI;
    }

    /**
     * Adds a metadata field with its corresponding XPath expression for extraction.
     *
     * @param name the name of the metadata field
     * @param xpath the XPath expression to extract the metadata value
     */
    public void addMetadata(final String name, final String xpath) {

    /** Field name for count values in aggregation results. */
    private static final String COUNT = "count";

    /** Field name for key values in aggregation results. */
    private static final String KEY = "key";

    /** Field name for ID values in aggregation results. */
    private static final String ID = "id";

    /** Field name for user information ID in aggregations. */