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"""Set layergroup_treeitem.id as a primary key

Revision ID: 2b8ed8c1df94
Revises: 26a8c51827c6
Create Date: 2015-10-29 16:11:24.760733
"""

from alembic import op, context

# revision identifiers, used by Alembic.
revision = '2b8ed8c1df94'
down_revision = '32527659d57b'
branch_labels = ('1.6',)
depends_on = None


def upgrade():
    schema = context.get_context().config.get_main_option('schema')

    op.create_primary_key(
        'layergroup_treeitem_pkey', 'layergroup_treeitem', ['id'],
        schema=schema
    )


def downgrade():
    schema = context.get_context().config.get_main_option('schema')

    op.drop_constraint(
        'layergroup_treeitem_pkey', 'layergroup_treeitem', schema=schema
    )
