Function rorm::rorm_db_query_all

#[no_mangle]
pub extern "C" fn rorm_db_query_all(
    db: &'static Database,
    transaction: Option<&'static mut Transaction>,
    model: FFIString<'static>,
    columns: FFISlice<'static, FFIColumnSelector<'static>>,
    joins: FFISlice<'static, FFIJoin<'static>>,
    condition: Option<&'static FFICondition<'_>>,
    order_by: FFISlice<'static, FFIOrderByEntry<'static>>,
    limit: FFIOption<FFILimitClause>,
    callback: Option<unsafe extern "C" fn(_: usize, _: FFISlice<'_, &Row>, _: Error<'_>)>,
    context: usize
)

This function queries the database given the provided parameter and returns all matched rows.

To include the statement in a transaction specify transaction as a valid Transaction. As the Transaction needs to be mutable, it is important to not use the Transaction anywhere else until the callback is finished.

If the statement should be executed not in a Transaction, specify a null pointer.

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.
• columns: Array of columns to retrieve from the database.
• joins: Array of joins to add to the query.
• condition: Pointer to a [Condition].
• order_by: Array of FFIOrderByEntry.
• limit: Optional limit / offset to set to the query.
• callback: callback function. Takes the context, a FFISlice of rows and an Error.
• context: Pass through void pointer.

Important:

• Make sure that db, model, columns, joins and condition are allocated until the callback is executed.
• The FFISlice returned in the callback is freed after the callback has ended.

This function is called from an asynchronous context.