1.Dd December 19, 2018 2.Dt SQLITE3_VTAB_COLLATION 3 3.Os 4.Sh NAME 5.Nm sqlite3_vtab_collation 6.Nd Determine The Collation For a Virtual Table Constraint 7.Sh SYNOPSIS 8.Ft const char * 9.Fo sqlite3_vtab_collation 10.Fa "sqlite3_index_info*" 11.Fa "int" 12.Fc 13.Sh DESCRIPTION 14This function may only be called from within a call to the xBestIndex 15method of a virtual table. 16.Pp 17The first argument must be the sqlite3_index_info object that is the 18first parameter to the xBestIndex() method. 19The second argument must be an index into the aConstraint[] array belonging 20to the sqlite3_index_info structure passed to xBestIndex. 21This function returns a pointer to a buffer containing the name of 22the collation sequence for the corresponding constraint. 23