MySQL 9.0.0
Source Code Documentation
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List of Discrete_interval objects. More...
#include <discrete_interval.h>
Public Member Functions | |
Discrete_intervals_list () | |
void | clear () |
void | swap (Discrete_intervals_list *other) |
const Discrete_interval * | get_next () |
~Discrete_intervals_list () | |
bool | append (ulonglong start, ulonglong val, ulonglong incr) |
Appends an interval to the list. More... | |
ulonglong | minimum () const |
ulonglong | maximum () const |
uint | nb_elements () const |
Private Member Functions | |
void | operator= (Discrete_intervals_list &) |
bool | append (Discrete_interval *new_interval) |
void | copy_shallow (const Discrete_intervals_list *other) |
Discrete_intervals_list (const Discrete_intervals_list &other) | |
Private Attributes | |
Discrete_interval | first_interval |
To avoid heap allocation in the common case when there is only one interval in the list, we store the first interval here. More... | |
Discrete_interval * | head |
Discrete_interval * | tail |
Discrete_interval * | current |
When many intervals are provided at the beginning of the execution of a statement (in a replication slave or SET INSERT_ID), "current" points to the interval being consumed by the thread now (so "current" goes from "head" to "tail" then to NULL). More... | |
uint | elements |
number of elements More... | |
List of Discrete_interval objects.
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Appends an interval to the list.
start | start of interval |
val | how many values it contains |
incr | what increment between each value |
true | error |
false | success |
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When many intervals are provided at the beginning of the execution of a statement (in a replication slave or SET INSERT_ID), "current" points to the interval being consumed by the thread now (so "current" goes from "head" to "tail" then to NULL).
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number of elements
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To avoid heap allocation in the common case when there is only one interval in the list, we store the first interval here.
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