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DB_GetRowCount

Description​

Returns the number of rows from a DB_ExecuteQuery

NameDescription
DBResult:dbresultThe result of DB_ExecuteQuery

Returns​

The number of rows in the result.

Examples​

// examples.inc

// ...

Examples_CountVehicles(DB:dbConnectionHandle)
{
    // Database result set
    new DBResult:db_result_set = DB_ExecuteQuery("SELECT `uid` FROM `vehicles`");

    // If database result set is valid
    if (db_result_set)
    {
        new row_count = DB_GetRowCount(db_result_set);

        // Free result set
        DB_FreeResultSet(db_result_set);

        return rowcount;
    }
    return 0;
}
// mode.pwn

// ...

#include <examples>

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("%i vehicles are stored in the database", Examples_CountVehicles(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;
}

Notes​

warning

Using an invalid handle other than zero will crash your server! Get a valid database connection handle by using DB_ExecuteQuery.