From: Stefano Zacchiroli <zack@upsilon.cc>
Date: Thu, 10 Feb 2005 15:51:42 +0000 (+0000)
Subject: added "unindex" to undo indexing of a single object
X-Git-Tag: before_svn_merge~10
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=df29cafb872244de1a6a9b3c273b329a6e15fa8c;p=helm.git

added "unindex" to undo indexing of a single object
---

diff --git a/helm/ocaml/metadata/metadataDb.ml b/helm/ocaml/metadata/metadataDb.ml
index 170d02d77..4b7664c22 100644
--- a/helm/ocaml/metadata/metadataDb.ml
+++ b/helm/ocaml/metadata/metadataDb.ml
@@ -120,6 +120,9 @@ let index_inductive_def ~dbd =
       List.iter (fun (uri, name, _) -> insert_name ~dbd ~uri ~name) metadata
     end
 
+let tables_to_clean =
+  [sort_tbl; rel_tbl; obj_tbl; conclno_tbl; conclno_hyp_tbl; name_tbl]
+
 let clean ~(dbd:Mysql.dbd) =
   let owned_uris =  (* list of uris in list-of-columns format *)
     let query = sprintf "SELECT source FROM %s" (obj_tbl ()) in
@@ -139,7 +142,16 @@ let clean ~(dbd:Mysql.dbd) =
       (fun source_col -> ignore (Mysql.exec dbd (query source_col)))
       owned_uris
   in
-  List.iter del_from
-    [sort_tbl; rel_tbl; obj_tbl; conclno_tbl; conclno_hyp_tbl; name_tbl];
+  List.iter del_from tables_to_clean;
   owned_uris
 
+let unindex ~dbd ~uri =
+  let uri = UriManager.string_of_uri uri in
+  let del_from tbl =
+    let query tbl =
+      sprintf "DELETE FROM %s WHERE source LIKE \"%s%%\"" (tbl ()) uri
+    in
+    ignore (Mysql.exec dbd (query tbl))
+  in
+  List.iter del_from tables_to_clean
+
diff --git a/helm/ocaml/metadata/metadataDb.mli b/helm/ocaml/metadata/metadataDb.mli
index 17d6fc094..a5b0d2753 100644
--- a/helm/ocaml/metadata/metadataDb.mli
+++ b/helm/ocaml/metadata/metadataDb.mli
@@ -44,3 +44,5 @@ val index_inductive_def:
   * @return list of uris removed from the db *)
 val clean: dbd:Mysql.dbd -> string list
 
+val unindex: dbd:Mysql.dbd -> uri:UriManager.uri -> unit
+