more friendly sqlStatements api

[helm.git] / helm / ocaml / metadata / sqlStatements.ml

diff --git a/helm/ocaml/metadata/sqlStatements.ml b/helm/ocaml/metadata/sqlStatements.ml
index b57c661f3fb26c4ef6f01497ad3429615b42c481..0c51feba6faef4fd405282566e4c6fd9e1f1fa3d 100644 (file)
--- a/helm/ocaml/metadata/sqlStatements.ml
+++ b/helm/ocaml/metadata/sqlStatements.ml
@@ -4,78 +4,75 @@ type tbl = [ `RefObj| `RefSort| `RefRel| `ObjectName| `Owners| `Count]
 
 (* TABLES *)
 
-let sprintf_refObj_format name = sprintf "
+let sprintf_refObj_format name = [sprintf "
 CREATE TABLE %s (
     source varchar(255) binary not null,
     h_occurrence varchar(255) binary not null,
     h_position varchar(255) binary not null,
     h_depth integer
-);" name
+);" name]
 
-let sprintf_refSort_format name = sprintf "
+let sprintf_refSort_format name = [sprintf "
 CREATE TABLE %s (
     source varchar(255) binary not null,
     h_position varchar(255) binary not null,
     h_depth integer not null,
     h_sort varchar(255) binary not null
-);" name
+);" name]
 
-let sprintf_refRel_format name = sprintf "
+let sprintf_refRel_format name = [sprintf "
 CREATE TABLE %s (
     source varchar(255) binary not null,
     h_position varchar(255) binary not null,
     h_depth integer not null
-);" name
+);" name]
 
-let sprintf_objectName_format name = sprintf "
+let sprintf_objectName_format name = [sprintf "
 CREATE TABLE %s (
     source varchar(255) binary not null,
     value varchar(255) binary not null
-);" name
+);" name]
 
-let sprintf_owners_format name = sprintf "
+let sprintf_owners_format name = [sprintf "
 CREATE TABLE %s (
     source varchar(255) binary not null,
     owner varchar(255) binary not null
-);" name
+);" name]
 
-let sprintf_count_format name = sprintf "
+let sprintf_count_format name = [sprintf "
 CREATE TABLE %s (
     source varchar(255) binary unique not null,
     conclusion smallint(6) not null,
     hypothesis smallint(6) not null,
     statement smallint(6) not null
-);" name
+);" name]
 
 (* INDEXES *)
 
-let sprintf_refObj_index name = sprintf "
-CREATE INDEX %s_source ON %s (source);
-CREATE INDEX %s_target ON %s (h_occurrence);
-CREATE INDEX %s_position ON %s (h_position);
-" name name name name name name 
+let sprintf_refObj_index name = [
+sprintf "CREATE INDEX %s_source ON %s (source);" name name ;
+sprintf "CREATE INDEX %s_target ON %s (h_occurrence);" name name ;
+sprintf "CREATE INDEX %s_position ON %s (h_position);" name name ]
 
-let sprintf_refSort_index name = sprintf "
+let sprintf_refSort_index name = [sprintf "
 CREATE INDEX %s_source ON %s (source);
-" name name
+" name name]
 
-let sprintf_objectName_index name = sprintf "
-CREATE INDEX %s_value ON %s (value);
-" name name
+let sprintf_objectName_index name = [
+sprintf " CREATE INDEX %s_value ON %s (value);" name name]
 
-let sprintf_owners_index name = sprintf "
-CREATE INDEX %s_owner ON %s (owner);
-CREATE INDEX %s_source ON %s (source);
-" name name name name 
+let sprintf_owners_index name = [
+sprintf "CREATE INDEX %s_owner ON %s (owner);" name name ;
+sprintf "CREATE INDEX %s_source ON %s (source);" name name] 
 
-let sprintf_count_index name = sprintf "
-CREATE INDEX %s_source ON %s (source);
-CREATE INDEX %s_conclusion ON %s (conclusion);
-CREATE INDEX %s_hypothesis ON %s (hypothesis);
-CREATE INDEX %s_statement ON %s (statement);
-" name name name name name name name name 
+let sprintf_count_index name = [
+sprintf "CREATE INDEX %s_source ON %s (source);" name name;
+sprintf "CREATE INDEX %s_conclusion ON %s (conclusion);" name name;
+sprintf "CREATE INDEX %s_hypothesis ON %s (hypothesis);" name name;
+sprintf "CREATE INDEX %s_statement ON %s (statement);" name name]
+ 
 
-let sprintf_refRel_index name = ""
+let sprintf_refRel_index name = []
 
 (* FUNCTIONS *)
 
@@ -98,8 +95,8 @@ let get_index_format t named =
   | `Count -> sprintf_count_index named
   
 let create_tables l =
-  List.fold_left (fun s (name,table) ->  s ^ get_table_format table name) "" l
+  List.fold_left (fun s (name,table) ->  s @ get_table_format table name) [] l
 
 let create_indexes l =
-  List.fold_left (fun s (name,table) ->  s ^ get_index_format table name) "" l
+  List.fold_left (fun s (name,table) ->  s @ get_index_format table name) [] l