--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/PrepareDatabase.sql	Tue Nov 27 17:50:24 2012 +0100
@@ -0,0 +1,86 @@
+CREATE TABLE GlobalProperties(
+       name TEXT PRIMARY KEY,
+       value TEXT
+       );
+
+CREATE TABLE Resources(
+       internalId INTEGER PRIMARY KEY AUTOINCREMENT,
+       resourceType INTEGER,
+       publicId TEXT,
+       parentId INTEGER REFERENCES Resources(internalId) ON DELETE CASCADE
+       );
+
+CREATE TABLE MainDicomTags(
+       id INTEGER REFERENCES Resources(internalId) ON DELETE CASCADE,
+       tagGroup INTEGER,
+       tagElement INTEGER,
+       value TEXT,
+       PRIMARY KEY(id, tagGroup, tagElement)
+       );
+
+CREATE TABLE Metadata(
+       id INTEGER REFERENCES Resources(internalId) ON DELETE CASCADE,
+       type INTEGER,
+       value TEXT,
+       PRIMARY KEY(id, type)
+       );
+
+CREATE TABLE AttachedFiles(
+       id INTEGER REFERENCES Resources(internalId) ON DELETE CASCADE,
+       fileType INTEGER,
+       uuid TEXT,
+       compressedSize INTEGER,
+       uncompressedSize INTEGER,
+       compressionType INTEGER,
+       PRIMARY KEY(id, fileType)
+       );              
+
+CREATE TABLE Changes(
+       seq INTEGER PRIMARY KEY AUTOINCREMENT,
+       changeType INTEGER,
+       internalId INTEGER REFERENCES Resources(internalId) ON DELETE CASCADE,
+       resourceType INTEGER,
+       date TEXT
+       );
+
+CREATE TABLE ExportedInstances(
+       seq INTEGER PRIMARY KEY AUTOINCREMENT,
+       remoteModality TEXT,
+       publicId TEXT,
+       patientId TEXT,
+       studyInstanceUid TEXT,
+       seriesInstanceUid TEXT,
+       sopInstanceUid TEXT,
+       date TEXT
+       ); 
+
+CREATE INDEX ChildrenIndex ON Resources(parentId);
+CREATE INDEX PublicIndex ON Resources(publicId);
+CREATE INDEX ResourceTypeIndex ON Resources(resourceType);
+
+CREATE INDEX MainDicomTagsIndex1 ON MainDicomTags(id);
+CREATE INDEX MainDicomTagsIndex2 ON MainDicomTags(tagGroup, tagElement);
+CREATE INDEX MainDicomTagsIndexValues ON MainDicomTags(value COLLATE BINARY);
+
+CREATE INDEX ChangesIndex ON Changes(internalId);
+
+CREATE TRIGGER AttachedFileDeleted
+AFTER DELETE ON AttachedFiles
+BEGIN
+  SELECT SignalFileDeleted(old.uuid);
+END;
+
+CREATE TRIGGER ResourceDeleted
+AFTER DELETE ON Resources
+BEGIN
+  SELECT SignalRemainingAncestor(parent.publicId, parent.resourceType) 
+    FROM Resources AS parent WHERE internalId = old.parentId;
+END;
+
+-- Delete a parent resource when its unique child is deleted 
+CREATE TRIGGER ResourceDeletedParentCleaning
+AFTER DELETE ON Resources
+FOR EACH ROW WHEN (SELECT COUNT(*) FROM Resources WHERE parentId = old.parentId) = 0
+BEGIN
+  DELETE FROM Resources WHERE internalId = old.parentId;
+END;