Collaboration diagram for upd_field_t:
Data Fields | |
| unsigned | field_no:16 |
| unsigned | orig_len:16 |
| que_node_t * | exp |
| dfield_t | new_val |
Field Documentation
| que_node_t* upd_field_t::exp |
expression for calculating a new value: it refers to column values and constants in the symbol table of the query graph
| unsigned upd_field_t::field_no |
field number in an index, usually the clustered index, but in updating a secondary index record in btr0cur.cc this is the position in the secondary index
| dfield_t upd_field_t::new_val |
new value for the column
| unsigned upd_field_t::orig_len |
original length of the locally stored part of an externally stored column, or 0
The documentation for this struct was generated from the following file:
- include/row0upd.h
