start project

migrations/versions/0003_referrer_and_browser_stats.py

@@ -0,0 +1,29 @@
+"""Add referrer_stats_daily and browser_stats_daily (Method A, Ch08)."""
+from alembic import op
+import sqlalchemy as sa
+
+revision = "0003_referrer_and_browser_stats"
+down_revision = "0002_ip_registry_verification_result"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        "referrer_stats_daily",
+        sa.Column("date", sa.Date, primary_key=True),
+        sa.Column("referrer_domain", sa.String(255), primary_key=True),
+        sa.Column("count", sa.Integer, nullable=False, server_default="0"),
+    )
+    op.create_table(
+        "browser_stats_daily",
+        sa.Column("date", sa.Date, primary_key=True),
+        sa.Column("browser", sa.String(64), primary_key=True),
+        sa.Column("os", sa.String(64), primary_key=True),
+        sa.Column("count", sa.Integer, nullable=False, server_default="0"),
+    )
+
+
+def downgrade():
+    op.drop_table("browser_stats_daily")
+    op.drop_table("referrer_stats_daily")