Add DB migration for transcript table

via/migrations/versions/9a37efe13a91_add_the_transcript_table.py

@@ -0,0 +1,39 @@
+"""Add the transcript table.
+
+Revision ID: 9a37efe13a91
+Revises:
+"""
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.dialects import postgresql
+
+revision = "9a37efe13a91"
+down_revision = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "transcript",
+        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column(
+            "created", sa.DateTime(), server_default=sa.text("now()"), nullable=False
+        ),
+        sa.Column(
+            "updated", sa.DateTime(), server_default=sa.text("now()"), nullable=False
+        ),
+        sa.Column("video_id", sa.String(), nullable=False),
+        sa.Column("transcript_id", sa.String(), nullable=False),
+        sa.Column(
+            "transcript", postgresql.JSONB(astext_type=sa.Text()), nullable=False
+        ),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_transcript")),
+        sa.UniqueConstraint(
+            "video_id",
+            "transcript_id",
+            name=op.f("uq_transcript_video_id_transcript_id"),
+        ),
+    )
+
+
+def downgrade() -> None:
+    op.drop_table("transcript")