docref sql: setup foreign key constraints cascading, fix enumerations uniqueness

git-svn-id: http://svn.parisson.org/svn/crem@84 3bf09e05-f825-4182-b9bc-eedd7160adf0

diff --git a/trunk/docref/crem.sql b/trunk/docref/crem.sql
index 06b0d5b01e786880148b1073b2a611264f6e5ebc..0539d029da4ba5a37ad90b149193b69af65fc40b 100644 (file)
--- a/trunk/docref/crem.sql
+++ b/trunk/docref/crem.sql
@@ -49,52 +49,52 @@
 
 CREATE TABLE physical_formats (
     id      INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, 
-    value   VARCHAR(250) NOT NULL
+    value   VARCHAR(250) NOT NULL UNIQUE
 ) ENGINE=InnoDB;
 
 CREATE TABLE publishing_status (
     id      INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, 
-    value   VARCHAR(250) NOT NULL
+    value   VARCHAR(250) NOT NULL UNIQUE
 ) ENGINE=InnoDB;
 
 CREATE TABLE acquisition_modes (
     id      INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, 
-    value   VARCHAR(250) NOT NULL
+    value   VARCHAR(250) NOT NULL UNIQUE
 ) ENGINE=InnoDB;
 
 CREATE TABLE metadata_authors (
     id      INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, 
-    value   VARCHAR(250) NOT NULL
+    value   VARCHAR(250) NOT NULL UNIQUE
 ) ENGINE=InnoDB;
 
 CREATE TABLE metadata_writers (
     id      INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, 
-    value   VARCHAR(250) NOT NULL
+    value   VARCHAR(250) NOT NULL UNIQUE
 ) ENGINE=InnoDB;
 
 CREATE TABLE legal_rights (
     id      INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, 
-    value   VARCHAR(250) NOT NULL
+    value   VARCHAR(250) NOT NULL UNIQUE
 ) ENGINE=InnoDB;
 
 CREATE TABLE recording_contexts (
     id      INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, 
-    value   VARCHAR(250) NOT NULL
+    value   VARCHAR(250) NOT NULL UNIQUE
 ) ENGINE=InnoDB;
 
 CREATE TABLE ad_conversions (
     id      INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, 
-    value   VARCHAR(250) NOT NULL
+    value   VARCHAR(250) NOT NULL UNIQUE
 ) ENGINE=InnoDB;
 
 CREATE TABLE vernacular_styles (
     id      INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, 
-    value   VARCHAR(250) NOT NULL
+    value   VARCHAR(250) NOT NULL UNIQUE
 ) ENGINE=InnoDB;
 
 CREATE TABLE generic_styles (
     id      INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, 
-    value   VARCHAR(250) NOT NULL
+    value   VARCHAR(250) NOT NULL UNIQUE
 ) ENGINE=InnoDB;
 
 --
@@ -103,7 +103,7 @@ CREATE TABLE generic_styles (
 
 CREATE TABLE publishers (
     id      INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, 
-    value   VARCHAR(250) NOT NULL
+    value   VARCHAR(250) NOT NULL UNIQUE
 ) ENGINE=InnoDB;
 
 CREATE TABLE publisher_collections (
@@ -111,7 +111,7 @@ CREATE TABLE publisher_collections (
     publisher_id    INTEGER NOT NULL,
     value           VARCHAR(250) NOT NULL,
 
-    FOREIGN KEY(publisher_id) REFERENCES publishers (id)
+    FOREIGN KEY(publisher_id) REFERENCES publishers (id) ON DELETE CASCADE
 ) ENGINE=InnoDB;
 
 --
@@ -130,8 +130,8 @@ CREATE TABLE locations (
     current_name        VARCHAR(150), -- recursif
     is_authoritative    BOOLEAN NOT NULL DEFAULT 0,
 
-    FOREIGN KEY(current_name) REFERENCES locations (name),
-    FOREIGN KEY(complete_type_id) REFERENCES location_types (id)
+    FOREIGN KEY(current_name) REFERENCES locations (name) ON DELETE SET NULL ON UPDATE CASCADE,
+    FOREIGN KEY(complete_type_id) REFERENCES location_types (id) ON DELETE CASCADE
 ) ENGINE=InnoDB;
 
 CREATE TABLE location_aliases (
@@ -140,7 +140,8 @@ CREATE TABLE location_aliases (
     is_authoritative    BOOLEAN NOT NULL DEFAULT 0,
 
     PRIMARY KEY(location_name, alias),
-    FOREIGN KEY(location_name) REFERENCES locations (name)
+    FOREIGN KEY(location_name) REFERENCES locations (name) 
+        ON DELETE CASCADE ON UPDATE CASCADE
 ) ENGINE=InnoDB;
 
 CREATE TABLE location_relations (
@@ -148,8 +149,10 @@ CREATE TABLE location_relations (
     parent_location_name    VARCHAR(150),
 
     PRIMARY KEY(location_name, parent_location_name),
-    FOREIGN KEY(location_name) REFERENCES locations (name),
+    FOREIGN KEY(location_name) REFERENCES locations (name)
+        ON DELETE CASCADE ON UPDATE CASCADE,
     FOREIGN KEY(parent_location_name) REFERENCES locations (name)
+        ON DELETE CASCADE ON UPDATE CASCADE
 ) ENGINE=InnoDB;
 
 --
@@ -165,7 +168,7 @@ CREATE TABLE ethnic_group_aliases (
     ethnic_group_id INTEGER NOT NULL, 
     name            VARCHAR(250) NOT NULL,
 
-    FOREIGN KEY(ethnic_group_id) REFERENCES ethnic_groups (id)
+    FOREIGN KEY(ethnic_group_id) REFERENCES ethnic_groups (id) ON DELETE CASCADE
 ) ENGINE=InnoDB;
 
 --
@@ -211,16 +214,26 @@ CREATE TABLE media_collections (
     ad_conversion_id        INTEGER,
     public_access           ENUM('none', 'metadata', 'full') NOT NULL DEFAULT 'metadata',
 
-    FOREIGN KEY(ad_conversion_id)       REFERENCES ad_conversions (id),
-    FOREIGN KEY(publisher_collection_id) REFERENCES publisher_collections (id),
-    FOREIGN KEY(recording_context_id)   REFERENCES recording_contexts (id),
-    FOREIGN KEY(publisher_id)           REFERENCES publishers (id),
-    FOREIGN KEY(metadata_author_id)     REFERENCES metadata_authors (id),
-    FOREIGN KEY(physical_format_id)     REFERENCES physical_formats (id),
-    FOREIGN KEY(metadata_writer_id)     REFERENCES metadata_writers (id),
-    FOREIGN KEY(legal_rights_id)        REFERENCES legal_rights (id),
-    FOREIGN KEY(acquisition_mode_id)    REFERENCES acquisition_modes (id),
+    FOREIGN KEY(ad_conversion_id)       REFERENCES ad_conversions (id)
+        ON DELETE SET NULL,
+    FOREIGN KEY(publisher_collection_id) REFERENCES publisher_collections (id)
+        ON DELETE SET NULL,
+    FOREIGN KEY(recording_context_id)   REFERENCES recording_contexts (id)
+        ON DELETE SET NULL,
+    FOREIGN KEY(publisher_id)           REFERENCES publishers (id)
+        ON DELETE SET NULL,
+    FOREIGN KEY(metadata_author_id)     REFERENCES metadata_authors (id)
+        ON DELETE SET NULL,
+    FOREIGN KEY(physical_format_id)     REFERENCES physical_formats (id)
+        ON DELETE SET NULL,
+    FOREIGN KEY(metadata_writer_id)     REFERENCES metadata_writers (id)
+        ON DELETE SET NULL,
+    FOREIGN KEY(legal_rights_id)        REFERENCES legal_rights (id)
+        ON DELETE SET NULL,
+    FOREIGN KEY(acquisition_mode_id)    REFERENCES acquisition_modes (id)
+        ON DELETE SET NULL,
     FOREIGN KEY(publishing_status_id)   REFERENCES publishing_status (id)
+        ON DELETE SET NULL
 ) ENGINE=InnoDB;
 
 --
@@ -254,13 +267,20 @@ CREATE TABLE media_items (
     filename                VARCHAR(250) NOT NULL DEFAULT '',
     public_access           ENUM('none', 'metadata', 'full') NOT NULL DEFAULT 'metadata',
 
-    FOREIGN KEY(location_name) REFERENCES locations (name),
-    FOREIGN KEY(ethnic_group_id) REFERENCES ethnic_groups (id),
-    FOREIGN KEY(collection_id) REFERENCES media_collections (id),
-    FOREIGN KEY(vernacular_style_id) REFERENCES vernacular_styles (id),
-    FOREIGN KEY(location_name) REFERENCES locations (name),
-    FOREIGN KEY(copied_from_item_id) REFERENCES media_items (id),
+    FOREIGN KEY(collection_id) REFERENCES media_collections (id)
+        ON DELETE CASCADE,
+    FOREIGN KEY(location_name) REFERENCES locations (name)
+        ON DELETE SET NULL,
+    FOREIGN KEY(ethnic_group_id) REFERENCES ethnic_groups (id)
+        ON DELETE SET NULL,
+    FOREIGN KEY(vernacular_style_id) REFERENCES vernacular_styles (id)
+        ON DELETE SET NULL,
+    FOREIGN KEY(location_name) REFERENCES locations (name)
+        ON DELETE SET NULL,
+    FOREIGN KEY(copied_from_item_id) REFERENCES media_items (id)
+        ON DELETE SET NULL,
     FOREIGN KEY(generic_style_id) REFERENCES generic_styles (id)
+        ON DELETE SET NULL
 ) ENGINE=InnoDB;
 
 --
@@ -274,7 +294,7 @@ CREATE TABLE media_parts (
     start                   FLOAT NOT NULL,
     end                     FLOAT NOT NULL,
 
-    FOREIGN KEY(item_id) REFERENCES media_items (id)
+    FOREIGN KEY(item_id) REFERENCES media_items (id) ON DELETE CASCADE
 ) ENGINE=InnoDB;
 
 --
@@ -290,8 +310,10 @@ CREATE TABLE instrument_relations (
     instrument_id           INTEGER NOT NULL, 
     parent_instrument_id    INTEGER NOT NULL,
 
-    FOREIGN KEY(instrument_id)          REFERENCES instruments (id),
+    FOREIGN KEY(instrument_id)          REFERENCES instruments (id)
+        ON DELETE CASCADE,
     FOREIGN KEY(parent_instrument_id)   REFERENCES instruments (id)
+        ON DELETE CASCADE
 ) ENGINE=InnoDB;
 
 CREATE TABLE instrument_aliases (
@@ -303,20 +325,25 @@ CREATE TABLE instrument_alias_relations (
     alias_id                INTEGER NOT NULL, 
     instrument_id           INTEGER NOT NULL,
 
-    FOREIGN KEY(alias_id)       REFERENCES instrument_aliases (id),
+    FOREIGN KEY(alias_id)       REFERENCES instrument_aliases (id)
+        ON DELETE CASCADE,
     FOREIGN KEY(instrument_id)  REFERENCES instruments (id)
+        ON DELETE CASCADE
 ) ENGINE=InnoDB;
 
 CREATE TABLE media_item_performances (
     media_item_id           INTEGER NOT NULL,
-    instrument_id           INTEGER NOT NULL,
+    instrument_id           INTEGER,
     alias_id                INTEGER, 
     instruments_num         VARCHAR(250) NOT NULL DEFAULT '',
     musicians               VARCHAR(250) NOT NULL DEFAULT '',
 
-    FOREIGN KEY(media_item_id)  REFERENCES media_items (id),
-    FOREIGN KEY(instrument_id)  REFERENCES instruments (id),
+    FOREIGN KEY(media_item_id)  REFERENCES media_items (id)
+        ON DELETE CASCADE,
+    FOREIGN KEY(instrument_id)  REFERENCES instruments (id)
+        ON DELETE SET NULL,
     FOREIGN KEY(alias_id)       REFERENCES instrument_aliases (id)
+        ON DELETE SET NULL
 ) ENGINE=InnoDB;
 
 --
@@ -333,8 +360,8 @@ CREATE TABLE media_item_keywords (
     keyword_id  INTEGER NOT NULL,
 
     PRIMARY KEY(item_id, keyword_id),
-    FOREIGN KEY(item_id) REFERENCES media_items (id),
-    FOREIGN KEY(keyword_id) REFERENCES context_keywords (id)
+    FOREIGN KEY(item_id) REFERENCES media_items (id) ON DELETE CASCADE,
+    FOREIGN KEY(keyword_id) REFERENCES context_keywords (id) ON DELETE CASCADE
 ) ENGINE=InnoDB;
 
 --
@@ -359,7 +386,7 @@ CREATE TABLE playlists (
     owner_username  VARCHAR(250) NOT NULL,
     name            VARCHAR(250) NOT NULL,
 
-    FOREIGN KEY(owner_username) REFERENCES users (username)
+    FOREIGN KEY(owner_username) REFERENCES users (username) ON DELETE CASCADE
 ) ENGINE=InnoDB;
 
 CREATE TABLE playlist_resources (
@@ -367,7 +394,7 @@ CREATE TABLE playlist_resources (
     resource_type   ENUM('item', 'collection') NOT NULL,
     resource_id     INTEGER NOT NULL,
 
-    FOREIGN KEY(playlist_id) REFERENCES playlists (id)
+    FOREIGN KEY(playlist_id) REFERENCES playlists (id) ON DELETE CASCADE
 ) ENGINE=InnoDB;
 
 
@@ -383,6 +410,6 @@ CREATE TABLE revisions (
     time            DATETIME NOT NULL,
     username        VARCHAR(64) NOT NULL,
 
-    FOREIGN KEY(username) REFERENCES users (username)
+    FOREIGN KEY(username) REFERENCES users (username) 
 ) ENGINE=InnoDB;