db_get_field

Tags: sqlite

Description

Get the content of a field from db_query

Name Description
DBResult:dbresult The result to get the data from.
field The field to get the data from.
result[] The result.
maxlength The max length of the field.

Returns

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

Examples

// 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;
}

Notes

WARNING

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

  • 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