Change the logic to rename the table in the SQLite database to fix the migration issue.

refs #7031

web/migrations/versions/09d53fca90c7_.py

@@ -47,7 +47,12 @@ def upgrade():
     if version < 5:
         db.engine.execute('ALTER TABLE server ADD COLUMN role text(64)')
     if version < 6:
-        db.engine.execute("ALTER TABLE server RENAME TO server_old")
+        # To Save previous data, create temp table
+
+        db.engine.execute("create table server_old as select * from server")
+
+        db.engine.execute("DROP TABLE server")
+
         db.engine.execute("""
     CREATE TABLE server (
         id INTEGER NOT NULL,
@@ -161,7 +166,10 @@ def upgrade():
         """)
 
     if version < 12:
-        db.engine.execute("ALTER TABLE server RENAME TO server_old")
+        db.engine.execute("create table server_old as select * from server")
+
+        db.engine.execute("DROP TABLE server")
+
         db.engine.execute("""
     CREATE TABLE server (
         id INTEGER NOT NULL,

web/migrations/versions/35f29b1701bd_.py

@@ -49,12 +49,6 @@ def upgrade():
 
     db.engine.execute("DROP TABLE user_old")
 
-    # db.engine.execute("PRAGMA foreign_keys=ON")
-
-    # db.session.commit()
-
-    # db.engine.execute("PRAGMA foreign_keys=ON")
-
 
 def downgrade():
     # pgAdmin only upgrades, downgrade not implemented.

web/migrations/versions/3ce25f562f3b_.py

@@ -24,12 +24,19 @@ depends_on = None
 
 
 def upgrade():
-    db.engine.execute("create table user_old as select * from user")
+    # Rename user table to user_old and again user_old to user to change
+    # the foreign key refernce of user_old table which is not exists
 
-    db.engine.execute("DROP TABLE user")
+    db.engine.execute("ALTER TABLE user RENAME TO user_old")
 
     db.engine.execute("ALTER TABLE user_old RENAME TO user")
 
+    # Rename server table to server_old and again server_old to server to change
+    # the foreign key refernce of server_old table which is not exists
+    db.engine.execute("ALTER TABLE server RENAME TO server_old")
+
+    db.engine.execute("ALTER TABLE server_old RENAME TO server")
+
 
 def downgrade():
     # pgAdmin only upgrades, downgrade not implemented.

web/migrations/versions/50aad68f99c2_.py

@@ -17,8 +17,11 @@ depends_on = None
 
 
 def upgrade():
-        # To Save previous data
+        # To Save previous data, create temp table
-        db.engine.execute("ALTER TABLE server RENAME TO server_old")
+
+        db.engine.execute("create table server_old as select * from server")
+
+        db.engine.execute("DROP TABLE server")
 
         # With service file some fields won't be mandatory as user can provide
         # them using service file. Removed NOT NULL constraint from few columns

web/migrations/versions/7c56ea250085_.py

@@ -19,8 +19,11 @@ depends_on = None
 
 
 def upgrade():
-    # To Save previous data
+    # To Save previous data, create temp table
-    db.engine.execute("ALTER TABLE server RENAME TO server_old")
+
+    db.engine.execute("create table server_old as select * from server")
+
+    db.engine.execute("DROP TABLE server")
 
     # Create table with new constraint definition
     db.engine.execute("""

web/migrations/versions/a39bd015b644_.py

@@ -17,8 +17,13 @@ depends_on = None
 
 
 def upgrade():
-    # Rename older table to save previous data
+
-    db.engine.execute("ALTER TABLE sharedserver RENAME TO sharedserver_old")
+    # To Save previous data, create temp table
+
+    db.engine.execute("create table sharedserver_old as "
+                      "select * from sharedserver")
+
+    db.engine.execute("DROP TABLE sharedserver")
 
     # Create new table with removed not null constraints for port column.
     db.engine.execute("""

web/migrations/versions/a77a0932a568_.py

@@ -19,8 +19,10 @@ depends_on = None
 
 
 def upgrade():
-    # To Save previous data
+    # To Save previous data, create temp table
-    db.engine.execute("ALTER TABLE server RENAME TO server_old")
+    db.engine.execute("create table server_old as select * from server")
+
+    db.engine.execute("DROP TABLE server")
 
     # Create table with drop constraint for port and username definition
     db.engine.execute("""