Db get field

db_get_field

Description:

Function db_get_field get the content of a field from db_query.

Using an invalid handle will crash your server! Get a valid handle by using db_query. But it's protected against NULL references.

This function name starts with a lowercase letter.

Parameters:

(DBResult:dbresult, field, result[], maxlength)

int

dbresult

The result to get the data from.

int

field

The field to get the data from.

string

result

The result.

int

maxlength

The max length of the field.

Return Values:

Returns 1 if successful, otherwise 0 if DBResult:dbresult is a NULL reference or the column index not available.

Examples:

Example 1

// Example function
GetNameBySpawnID(spawn_id)
{
	// Declare "p_name"
	new p_name[MAX_PLAYER_NAME+1];
 
	// Declare "query" and "db_result"
	static query[60], DBResult:db_result;
 
	// Formats "query"
	format(query, sizeof query, "SELECT `PlayerName` FROM `spawn_log` WHERE `ID`=%d", spawn_id);
 
	// Selects the player name by using "spawn_id"
	db_result = db_query(db_handle, query);
 
	// If there is any valid entry
	if(db_num_rows(db_result))
	{
		// Store data from "PlayerName" into "p_name"
		db_get_field(db_result, 0, p_name, sizeof p_name);
	}
 
	// Frees the result
	db_free_result(db_result);
 
	// Returns "p_name"
	return p_name;
}

Related Functions

The following functions may be useful, as they are related to this function in one way or another.

• 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_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.