Db num fields

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db_num_fields

Image:Farm-Fresh text lowercase.png Note: This function name starts with a lowercase letter.


Description:

Get the number of fields in a result.


Parameters:
(DBResult:dbresult)
DBResult:dbresultThe result of db_query.


Return Values:

The number of fields in the result.


Image:32px-Circle-style-warning.png

Warning

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


Example Usage:

// ...
// Declare "db_result" and select all rows and columns from "spawn_list"
new DBResult:db_result = db_query(db_handle, "SELECT * FROM `spawn_list` WHERE 1;");
 
// Print the amount of columns selected
printf("Selected columns: %d", db_num_fields(db_result));
 
// Do...
do
{
	// ...
}
 
// While next row has been fetched
while(db_next_row(db_handle));
 
// Frees result
db_free_result(db_result);
// ...

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_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_int: Get content of field as an integer with specified ID from current result row
  • db_get_field_float: Get content of field as a float with specified ID from current result row
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