diff options
Diffstat (limited to 'vtable.go')
| -rw-r--r-- | vtable.go | 13 |
1 files changed, 7 insertions, 6 deletions
@@ -51,8 +51,10 @@ type sqliteVTabCursor struct { vTabCursor VTabCursor } +// Op is type of operations. type Op uint8 +// Op mean identity of operations. const ( OpEQ Op = 2 OpGT = 4 @@ -66,12 +68,14 @@ const ( OpScanUnique = 1 /* Scan visits at most 1 row */ ) +// InfoConstraint give information of constraint. type InfoConstraint struct { Column int Op Op Usable bool } +// InfoOrderBy give information of order-by. type InfoOrderBy struct { Column int Desc bool @@ -79,8 +83,7 @@ type InfoOrderBy struct { func constraints(info *C.sqlite3_index_info) []InfoConstraint { l := info.nConstraint - var constraints *C.struct_sqlite3_index_constraint = info.aConstraint - slice := (*[1 << 30]C.struct_sqlite3_index_constraint)(unsafe.Pointer(constraints))[:l:l] + slice := (*[1 << 30]C.struct_sqlite3_index_constraint)(unsafe.Pointer(info.aConstraint))[:l:l] cst := make([]InfoConstraint, 0, l) for _, c := range slice { @@ -99,8 +102,7 @@ func constraints(info *C.sqlite3_index_info) []InfoConstraint { func orderBys(info *C.sqlite3_index_info) []InfoOrderBy { l := info.nOrderBy - var obys *C.struct_sqlite3_index_orderby = info.aOrderBy - slice := (*[1 << 30]C.struct_sqlite3_index_orderby)(unsafe.Pointer(obys))[:l:l] + slice := (*[1 << 30]C.struct_sqlite3_index_orderby)(unsafe.Pointer(info.aOrderBy))[:l:l] ob := make([]InfoOrderBy, 0, l) for _, c := range slice { @@ -211,8 +213,7 @@ func goVBestIndex(pVTab unsafe.Pointer, icp unsafe.Pointer) *C.char { // Get a pointer to constraint_usage struct so we can update in place. l := info.nConstraint - var usg *C.struct_sqlite3_index_constraint_usage = info.aConstraintUsage - s := (*[1 << 30]C.struct_sqlite3_index_constraint_usage)(unsafe.Pointer(usg))[:l:l] + s := (*[1 << 30]C.struct_sqlite3_index_constraint_usage)(unsafe.Pointer(info.aConstraintUsage))[:l:l] index := 1 for i := C.int(0); i < info.nConstraint; i++ { if res.Used[i] { |