sqlite3_vtab_collation
—
Determine The Collation For a Virtual Table Constraint
const char *
sqlite3_vtab_collation
(sqlite3_index_info*,
int);
This function may only be called from within a call to the xBestIndex method of
a virtual table.
The first argument must be the sqlite3_index_info object that is
the first parameter to the xBestIndex() method. The second argument must be
an index into the aConstraint[] array belonging to the sqlite3_index_info
structure passed to xBestIndex. This function returns a pointer to a buffer
containing the name of the collation sequence for the corresponding
constraint.