---
title: "db_get_mem_handle | open.mp"
description: "Get memory handle for an SQLite database that was opened with db_open."
canonical: https://omp.itsneufox.com/th/docs/scripting/functions/db_get_mem_handle
language: th
---

# db\_get\_mem\_handle

warning

This function was added in SA-MP 0.3.7 R1 and will not work in earlier versions!

## คำอธิบาย

Get memory handle for an SQLite database that was opened with db\_open.

| Name | Description |
| --- | --- |
| DB:db | The index of the database connection (returned by db\_open). |

## ส่งคืน

Returns the memory handle for a specified database.

## ตัวอย่าง

```c
static DB:gDBConnectionHandle;

// ...

public OnGameModeInit()
{
    // ...

    // Create a connection to a database
    gDBConnectionHandle = db_open("example.db");

    // If connection to the database exists
    if (gDBConnectionHandle)
    {
        // Successfully created a connection to the database
        print("Successfully created a connection to database \"example.db\".");
        printf("Database connection memory handle: 0x%x", db_get_mem_handle(gDBConnectionHandle));
    }
    else
    {
        // Failed to create a connection to the database
        print("Failed to open a connection to database \"example.db\".");
    }

    // ...

    return 1;
}

public OnGameModeExit()
{
    // Close the connection to the database if connection is open
    if (db_close(gDBConnectionHandle))
    {
        // Extra cleanup
        gDBConnectionHandle = DB:0;
    }

    // ...

    return 1;
}
```

## บันทึก

warning

Using an invalid handle other than zero will crash your server! Get a valid database connection handle by using [db\_query](https://omp.itsneufox.com/th/docs/scripting/functions/db_query).

## ฟังก์ชั่นที่เกี่ยวข้องกัน

-   db\_open: Open a connection to an SQLite database
-   db\_close: Close the connection to an SQLite database
-   db\_query: Query an SQLite database
-   db\_free\_result: Free result memory from a db\_query
-   db\_num\_rows: Get the number of rows in a result
-   db\_next\_row: Move to the next row
-   db\_num\_fields: Get the number of fields in a result
-   db\_field\_name: Returns the name of a field at a particular index
-   db\_get\_field: Get content of field with specified ID from current result row
-   db\_get\_field\_assoc: Get content of field with specified name from current result row
-   db\_get\_field\_int: Get content of field as an integer with specified ID from current result row
-   db\_get\_field\_assoc\_int: Get content of field as an integer with specified name from current result row
-   db\_get\_field\_float: Get content of field as a float with specified ID from current result row
-   db\_get\_field\_assoc\_float: Get content of field as a float with specified name from current result row
-   db\_get\_mem\_handle: Get memory handle for an SQLite database that was opened with db\_open.
-   db\_get\_result\_mem\_handle: Get memory handle for an SQLite query that was executed with db\_query.
-   db\_debug\_openfiles
-   db\_debug\_openresults