Function rorm::rorm_db_delete

source ·
#[no_mangle]
pub extern "C" fn rorm_db_delete(
    db: &'static Database,
    transaction: Option<&'static mut Transaction>,
    model: FFIString<'static>,
    condition: Option<&'static FFICondition<'_>>,
    callback: Option<unsafe extern "C" fn(_: usize, _: u64, _: Error<'_>)>,
    context: usize
)
Expand description

This function deletes rows from the database based on the given conditions.

Parameter:

  • db: Reference to the Database, provided by rorm_db_connect.
  • transaction: Mutable pointer to a Transaction. Can be a null pointer to ignore this parameter.
  • model: Name of the table to query.
  • condition: Pointer to a [Condition].
  • callback: callback function. Takes the context, a pointer to a vec of rows and an Error.
  • context: Pass through void pointer.

Returns the rows affected of the delete statement. Note that this also includes relations, etc.

Important:

  • Make sure that db, model and condition are allocated until the callback is executed.

This function is called from an asynchronous context.