From 88c073a070fbb697d4e9019c72b83010838bb987 Mon Sep 17 00:00:00 2001
From: Pierre-Yves Chibon <pingou@pingoured.fr>
Date: Mar 30 2018 08:09:38 +0000
Subject: Add an alembic migration to create the pr_to_issue table


Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>

---

diff --git a/alembic/versions/369deb8c8b63_add_the_pr_to_issue_table.py b/alembic/versions/369deb8c8b63_add_the_pr_to_issue_table.py
new file mode 100644
index 0000000..12b920c
--- /dev/null
+++ b/alembic/versions/369deb8c8b63_add_the_pr_to_issue_table.py
@@ -0,0 +1,42 @@
+"""Add the pr_to_issue table
+
+Revision ID: 369deb8c8b63
+Revises: eab41ce5f92a
+Create Date: 2018-03-12 11:38:00.955252
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '369deb8c8b63'
+down_revision = 'eab41ce5f92a'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    ''' Create the pr_to_issue table. '''
+
+    op.create_table(
+        'pr_to_issue',
+        sa.Column(
+            'pull_request_uid',
+            sa.String(32),
+            sa.ForeignKey(
+                'pull_requests.uid', ondelete='CASCADE', onupdate='CASCADE',
+            ),
+            primary_key=True),
+        sa.Column(
+            'issue_uid',
+            sa.String(32),
+            sa.ForeignKey(
+                'issues.uid', ondelete='CASCADE', onupdate='CASCADE',
+            ),
+            primary_key=True)
+    )
+
+
+def downgrade():
+    ''' Drop the pr_to_issue table. '''
+
+    op.drop_table('pr_to_issue')