X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=components%2Fmetadata%2FsqlStatements.ml;fp=components%2Fmetadata%2FsqlStatements.ml;h=f96b877a4a262b804f5304f0012f0b484ddb87d8;hp=0000000000000000000000000000000000000000;hb=f61af501fb4608cc4fb062a0864c774e677f0d76;hpb=58ae1809c352e71e7b5530dc41e2bfc834e1aef1

diff --git a/components/metadata/sqlStatements.ml b/components/metadata/sqlStatements.ml
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+(* Copyright (C) 2004-2005, HELM Team.
+ * 
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ * 
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA  02111-1307, USA.
+ * 
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+(* $Id$ *)
+
+open Printf;;
+type tbl = [ `RefObj| `RefSort| `RefRel| `ObjectName| `Hits| `Count]
+
+(* TABLES *)
+
+let sprintf_refObj_format name = [
+sprintf "CREATE TABLE %s (
+    source varchar(255) not null,
+    h_occurrence varchar(255) not null,
+    h_position varchar(62) not null,
+    h_depth integer
+);" name]
+
+let sprintf_refSort_format name = [
+sprintf "CREATE TABLE %s (
+    source varchar(255) not null,
+    h_position varchar(62) not null,
+    h_depth integer not null,
+    h_sort varchar(5) not null
+);" name]
+
+let sprintf_refRel_format name = [
+sprintf "CREATE TABLE %s (
+    source varchar(255) not null,
+    h_position varchar(62) not null,
+    h_depth integer not null
+);" name]
+
+let sprintf_objectName_format name = [
+sprintf "CREATE TABLE %s (
+    source varchar(255) not null,
+    value varchar(255) not null
+);" name]
+
+let sprintf_hits_format name = [
+sprintf "CREATE TABLE %s (
+    source varchar(255) not null,
+    no integer not null
+);" name]
+
+let sprintf_count_format name = [
+sprintf "CREATE TABLE %s (
+    source varchar(255) unique not null,
+    conclusion smallint(6) not null,
+    hypothesis smallint(6) not null,
+    statement smallint(6) not null
+);" name]
+
+let sprintf_refObj_drop name = [sprintf "DROP TABLE %s;" name]
+
+let sprintf_refSort_drop name = [sprintf "DROP TABLE %s;" name]
+
+let sprintf_refRel_drop name = [sprintf "DROP TABLE %s;" name]
+
+let sprintf_objectName_drop name = [sprintf "DROP TABLE %s;" name]
+
+let sprintf_hits_drop name = [sprintf "DROP TABLE %s;" name]
+
+let sprintf_count_drop name = [sprintf "DROP TABLE %s;" name]
+
+(* INDEXES *)
+
+let sprintf_refObj_index name = [
+sprintf "CREATE INDEX %s_index ON %s (source,h_occurrence,h_position);" name name;
+(*sprintf "CREATE INDEX %s_index ON %s (source(219),h_occurrence(219),h_position);" name name;*)
+sprintf "CREATE INDEX %s_occurrence ON %s (h_occurrence);" name name ]
+
+let sprintf_refSort_index name = [
+sprintf "CREATE INDEX %s_index ON %s (source,h_sort,h_position,h_depth);" name name]
+
+let sprintf_objectName_index name = [
+sprintf "CREATE INDEX %s_value ON %s (value);" name name]
+
+let sprintf_hits_index name = [
+sprintf "CREATE INDEX %s_source ON %s (source);" name name ;
+sprintf "CREATE INDEX %s_no ON %s (no);" name name] 
+
+let sprintf_count_index 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 = [
+sprintf "CREATE INDEX %s_index ON %s (source,h_position,h_depth);" name name]
+
+let format_drop name sufix dtype dbd =
+  if HSql.isMysql dtype dbd then
+	(sprintf "DROP INDEX %s_%s ON %s;" name sufix name)
+     else
+	(sprintf "DROP INDEX %s_%s;" name sufix);;
+
+let sprintf_refObj_index_drop name  dtype dbd= [(format_drop name "index" dtype dbd)]
+
+let sprintf_refSort_index_drop name dtype dbd = [(format_drop name "index" dtype dbd)]
+
+let sprintf_objectName_index_drop name dtype dbd = [(format_drop name "value" dtype dbd)]
+
+let sprintf_hits_index_drop name dtype dbd = [
+(format_drop name "source" dtype dbd);
+(format_drop name "no" dtype dbd)] 
+
+let sprintf_count_index_drop name dtype dbd = [
+(format_drop name "source" dtype dbd);
+(format_drop name "conclusion" dtype dbd);
+(format_drop name "hypothesis" dtype dbd);
+(format_drop name "statement" dtype dbd)]
+ 
+let sprintf_refRel_index_drop name dtype dbd = 
+  [(format_drop name "index" dtype dbd)]
+
+let sprintf_rename_table oldname newname = [
+sprintf "RENAME TABLE %s TO %s;" oldname newname 
+]
+          
+
+(* FUNCTIONS *)
+
+let get_table_format t named =
+  match t with
+  | `RefObj -> sprintf_refObj_format named
+  | `RefSort -> sprintf_refSort_format named
+  | `RefRel -> sprintf_refRel_format named
+  | `ObjectName -> sprintf_objectName_format named
+  | `Hits -> sprintf_hits_format named
+  | `Count -> sprintf_count_format named
+
+let get_index_format t named =
+  match t with
+  | `RefObj -> sprintf_refObj_index named
+  | `RefSort -> sprintf_refSort_index named
+  | `RefRel -> sprintf_refRel_index named
+  | `ObjectName -> sprintf_objectName_index named
+  | `Hits -> sprintf_hits_index named
+  | `Count -> sprintf_count_index named
+
+let get_table_drop t named =
+  match t with
+  | `RefObj -> sprintf_refObj_drop named
+  | `RefSort -> sprintf_refSort_drop named
+  | `RefRel -> sprintf_refRel_drop named
+  | `ObjectName -> sprintf_objectName_drop named
+  | `Hits -> sprintf_hits_drop named
+  | `Count -> sprintf_count_drop named
+
+let get_index_drop t named dtype dbd =
+  match t with
+  | `RefObj -> sprintf_refObj_index_drop named dtype dbd
+  | `RefSort -> sprintf_refSort_index_drop named dtype dbd
+  | `RefRel -> sprintf_refRel_index_drop named dtype dbd
+  | `ObjectName -> sprintf_objectName_index_drop named dtype dbd
+  | `Hits -> sprintf_hits_index_drop named dtype dbd
+  | `Count -> sprintf_count_index_drop named dtype dbd
+
+let create_tables 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
+ 
+let drop_tables l =
+  List.fold_left (fun s (name,table) ->  s @ get_table_drop table name) [] l
+  
+let drop_indexes l  dtype dbd=
+  List.fold_left (fun s (name,table) ->  s @ get_index_drop table name dtype dbd) [] l
+
+let rename_tables l = 
+  List.fold_left (fun s (o,n) ->  s @ sprintf_rename_table o n) [] l
+
+let fill_hits refObj hits =
+  [ sprintf
+        "INSERT INTO %s
+        SELECT h_occurrence, COUNT(source)
+        FROM %s
+        GROUP BY h_occurrence;"
+      hits refObj ]
+
+
+let move_content (name1, tbl1) (name2, tbl2) buri dtype dbd  =
+  let escape s =
+      Pcre.replace ~pat:"([^\\\\])_" ~templ:"$1\\_" (HSql.escape dtype dbd s)
+  in
+  assert (tbl1 = tbl2);
+  sprintf 
+    "INSERT INTRO %s SELECT * FROM %s WHERE source LIKE \"%s%%\";"   
+    name2 name1 (escape buri)
+
+let direct_deps refObj uri dtype dbd =
+  sprintf "SELECT * FROM %s WHERE source = \"%s\";"
+    refObj (HSql.escape dtype dbd (UriManager.string_of_uri uri))
+
+let inverse_deps refObj uri dtype dbd =
+  sprintf "SELECT * FROM %s WHERE h_occurrence = \"%s\";"
+    refObj (HSql.escape dtype dbd (UriManager.string_of_uri uri))
+