
import sqlalchemy as sa
from alembic import op


# revision identifiers, used by Alembic.
revision = '3ca338ed5192'
down_revision = '35d76c40ca48'
branch_labels = None
depends_on = None


def upgrade():
    op.add_column('designer_templates', sa.Column('backside_template_id', sa.Integer(), nullable=True), schema='indico')
    op.create_foreign_key(None,
                          'designer_templates', 'designer_templates',
                          ['backside_template_id'], ['id'],
                          source_schema='indico', referent_schema='indico')


def downgrade():
    op.drop_constraint('fk_designer_templates_backside_template_id_designer_templates', 'designer_templates',
                       schema='indico')
    op.drop_column('designer_templates', 'backside_template_id', schema='indico')


import sqlalchemy as sa
from alembic import op


# revision identifiers, used by Alembic.
revision = '3ca338ed5192'
down_revision = '35d76c40ca48'
branch_labels = None
depends_on = None


def upgrade():
    op.add_column('designer_templates', sa.Column('backside_template_id', sa.Integer(), nullable=True), schema='indico')
    op.create_foreign_key(None,
                          'designer_templates', 'designer_templates',
                          ['backside_template_id'], ['id'],
                          source_schema='indico', referent_schema='indico')
    op.create_index(None, 'designer_templates', ['backside_template_id'], schema='indico')


def downgrade():
    op.drop_index('ix_designer_templates_backside_template_id', table_name='designer_templates', schema='indico')
    op.drop_constraint('fk_designer_templates_backside_template_id_designer_templates', 'designer_templates',
                       schema='indico')
    op.drop_column('designer_templates', 'backside_template_id', schema='indico')

Add missing index command in revision
Designer: Add missing index command in revision

  
  import sqlalchemy as sa
  from alembic import op
  
  
  # revision identifiers, used by Alembic.
  revision = '3ca338ed5192'
  down_revision = '35d76c40ca48'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      op.add_column('designer_templates', sa.Column('backside_template_id', sa.Integer(), nullable=True), schema='indico')
      op.create_foreign_key(None,
                            'designer_templates', 'designer_templates',
                            ['backside_template_id'], ['id'],
                            source_schema='indico', referent_schema='indico')
+     op.create_index(None, 'designer_templates', ['backside_template_id'], schema='indico')
  
  
  def downgrade():
+     op.drop_index('ix_designer_templates_backside_template_id', table_name='designer_templates', schema='indico')
      op.drop_constraint('fk_designer_templates_backside_template_id_designer_templates', 'designer_templates',
                         schema='indico')
      op.drop_column('designer_templates', 'backside_template_id', schema='indico')
  
Add missing index command in revision
## Code Before:

import sqlalchemy as sa
from alembic import op


# revision identifiers, used by Alembic.
revision = '3ca338ed5192'
down_revision = '35d76c40ca48'
branch_labels = None
depends_on = None


def upgrade():
    op.add_column('designer_templates', sa.Column('backside_template_id', sa.Integer(), nullable=True), schema='indico')
    op.create_foreign_key(None,
                          'designer_templates', 'designer_templates',
                          ['backside_template_id'], ['id'],
                          source_schema='indico', referent_schema='indico')


def downgrade():
    op.drop_constraint('fk_designer_templates_backside_template_id_designer_templates', 'designer_templates',
                       schema='indico')
    op.drop_column('designer_templates', 'backside_template_id', schema='indico')

## Instruction:
Add missing index command in revision
## Code After:

import sqlalchemy as sa
from alembic import op


# revision identifiers, used by Alembic.
revision = '3ca338ed5192'
down_revision = '35d76c40ca48'
branch_labels = None
depends_on = None


def upgrade():
    op.add_column('designer_templates', sa.Column('backside_template_id', sa.Integer(), nullable=True), schema='indico')
    op.create_foreign_key(None,
                          'designer_templates', 'designer_templates',
                          ['backside_template_id'], ['id'],
                          source_schema='indico', referent_schema='indico')
    op.create_index(None, 'designer_templates', ['backside_template_id'], schema='indico')


def downgrade():
    op.drop_index('ix_designer_templates_backside_template_id', table_name='designer_templates', schema='indico')
    op.drop_constraint('fk_designer_templates_backside_template_id_designer_templates', 'designer_templates',
                       schema='indico')
    op.drop_column('designer_templates', 'backside_template_id', schema='indico')
