Get the previous record before the given iterator from a primary 64-bit integer index table.
Get the previous record before the given iterator from a primary 64-bit integer index table
Parameters
iterator- The iterator to the recordprimary- It will be replaced with the primary key of the previous record
Returns
iterator to the previous record
Precondition
iterator is pointing to the existing data inside the table
Post Condition
primary will be replaced with the primary key of the data preceeding the data pointed by the iterator
Example:
uint64_t prim = 123;
int itr_prev = db_previous_i64(itr, &prim);