MySQL 8.0.39
Source Code Documentation
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The return type of row_compare_row_to_range() which summarizes information about the relation between the row being processed, and the range of the scan. More...
Public Attributes | |
bool | row_can_be_in_range |
true: we don't know, false: row is not in range More... | |
bool | gap_can_intersect_range |
true: we don't know, false: gap has nothing in common with range More... | |
bool | row_must_be_at_end |
true: row exactly matches end of range, false: we don't know More... | |
The return type of row_compare_row_to_range() which summarizes information about the relation between the row being processed, and the range of the scan.
bool row_to_range_relation_t::gap_can_intersect_range |
true: we don't know, false: gap has nothing in common with range
bool row_to_range_relation_t::row_can_be_in_range |
true: we don't know, false: row is not in range
bool row_to_range_relation_t::row_must_be_at_end |
true: row exactly matches end of range, false: we don't know