Migration for notes

migrations/versions/e3b04db5506f_add_structure_for_notes.py

@@ -0,0 +1,51 @@
+"""Add structure for notes
+
+Revision ID: e3b04db5506f
+Revises: 269a002f989d
+Create Date: 2021-04-05 16:33:50.117747
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import mysql
+
+# revision identifiers, used by Alembic.
+revision = 'e3b04db5506f'
+down_revision = '269a002f989d'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('notes',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('playlist_id', sa.Integer(), nullable=True),
+    sa.Column('row', sa.Integer(), nullable=False),
+    sa.Column('note', sa.String(length=256), nullable=True),
+    sa.ForeignKeyConstraint(['playlist_id'], ['playlists.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.add_column('playlisttracks', sa.Column('row', sa.Integer(), nullable=False))
+    op.alter_column('playlisttracks', 'playlist_id',
+               existing_type=mysql.INTEGER(display_width=11),
+               nullable=False)
+    op.alter_column('playlisttracks', 'track_id',
+               existing_type=mysql.INTEGER(display_width=11),
+               nullable=False)
+    op.drop_column('playlisttracks', 'sort')
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('playlisttracks', sa.Column('sort', mysql.INTEGER(display_width=11), autoincrement=False, nullable=False))
+    op.alter_column('playlisttracks', 'track_id',
+               existing_type=mysql.INTEGER(display_width=11),
+               nullable=True)
+    op.alter_column('playlisttracks', 'playlist_id',
+               existing_type=mysql.INTEGER(display_width=11),
+               nullable=True)
+    op.drop_column('playlisttracks', 'row')
+    op.drop_table('notes')
+    # ### end Alembic commands ###