fix: Add index to messages table (#2280)

alembic/versions/d6632deac81d_add_composite_index_to_messages_table.py

@@ -0,0 +1,29 @@
+"""Add composite index to messages table
+
+Revision ID: d6632deac81d
+Revises: 54dec07619c4
+Create Date: 2024-12-18 13:38:56.511701
+
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "d6632deac81d"
+down_revision: Union[str, None] = "54dec07619c4"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_index("ix_messages_agent_created_at", "messages", ["agent_id", "created_at"], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index("ix_messages_agent_created_at", table_name="messages")
+    # ### end Alembic commands ###