diff options
| author | krasimir <krasimir@chalmers.se> | 2016-04-29 14:06:24 +0000 |
|---|---|---|
| committer | krasimir <krasimir@chalmers.se> | 2016-04-29 14:06:24 +0000 |
| commit | 3f0fe438cd37bd9f9ece835b6f3bc90ed5566110 (patch) | |
| tree | 0a8cbe2fbfe5d5391a8c6359c8b0d7aadc3b3b57 /src/runtime/haskell-bind/SG | |
| parent | a6b421226420e740b1b3d45817b9fc12cab13344 (diff) | |
a prototype for complex queries over expressions in libsg
Diffstat (limited to 'src/runtime/haskell-bind/SG')
| -rw-r--r-- | src/runtime/haskell-bind/SG/FFI.hs | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/runtime/haskell-bind/SG/FFI.hs b/src/runtime/haskell-bind/SG/FFI.hs index 69e3efe3f..a6dce9494 100644 --- a/src/runtime/haskell-bind/SG/FFI.hs +++ b/src/runtime/haskell-bind/SG/FFI.hs @@ -8,7 +8,10 @@ import GHC.Ptr import Data.Int data SgSG +data SgQueryExprResult data SgTripleResult +data SgQuery +data SgQueryResult type SgId = Int64 foreign import ccall "sg/sg.h sg_open" @@ -27,11 +30,20 @@ foreign import ccall "sg/sg.h sg_rollback" sg_rollback :: Ptr SgSG -> Ptr GuExn -> IO () foreign import ccall "sg/sg.h sg_insert_expr" - sg_insert_expr :: Ptr SgSG -> PgfExpr -> Ptr GuExn -> IO SgId + sg_insert_expr :: Ptr SgSG -> PgfExpr -> CInt -> Ptr GuExn -> IO SgId foreign import ccall "sg/sg.h sg_get_expr" sg_get_expr :: Ptr SgSG -> SgId -> Ptr GuPool -> Ptr GuExn -> IO PgfExpr +foreign import ccall "sg/sg.h sg_query_expr" + sg_query_expr :: Ptr SgSG -> PgfExpr -> Ptr GuPool -> Ptr GuExn -> IO (Ptr SgQueryExprResult) + +foreign import ccall "sg/sg.h sg_query_next" + sg_query_next :: Ptr SgSG -> Ptr SgQueryExprResult -> Ptr SgId -> Ptr GuPool -> Ptr GuExn -> IO PgfExpr + +foreign import ccall "sg/sg.h sg_query_close" + sg_query_close :: Ptr SgSG -> Ptr SgQueryExprResult -> Ptr GuExn -> IO () + foreign import ccall "sg/sg.h sg_update_fts_index" sg_update_fts_index :: Ptr SgSG -> Ptr PgfPGF -> Ptr GuExn -> IO () @@ -53,6 +65,13 @@ foreign import ccall "sg/sg.h sg_triple_result_fetch" foreign import ccall "sg/sg.h sg_triple_result_close" sg_triple_result_close :: Ptr SgTripleResult -> Ptr GuExn -> IO () +foreign import ccall "sg/sg.h sg_prepare_query" + sg_prepare_query :: Ptr SgSG -> CInt -> Ptr PgfExpr -> Ptr GuPool -> Ptr GuExn -> IO (Ptr SgQuery) + +foreign import ccall "sg/sg.h sg_query" + sg_query :: Ptr SgSG -> Ptr SgQuery -> Ptr GuExn -> IO (Ptr SgQueryResult) + + type SgTriple = Ptr PgfExpr |