Add index on message table for author and channel ID

1 files changed, 30 insertions, 0 deletions

diff --git a/alembic/versions/2faa292e5818_add_indexes_on_message_table.py b/alembic/versions/2faa292e5818_add_indexes_on_message_table.py
new file mode 100644
index 0000000..0cb7400
--- /dev/null
+++ b/alembic/versions/2faa292e5818_add_indexes_on_message_table.py
@@ -0,0 +1,30 @@
+"""Add indexes on message table
+
+Revision ID: 2faa292e5818
+Revises: d052a6b677e6
+Create Date: 2020-10-27 02:52:23.791738
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '2faa292e5818'
+down_revision = 'd052a6b677e6'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_index(op.f('ix_messages_author_id'), 'messages', ['author_id'], unique=False)
+    op.create_index(op.f('ix_messages_channel_id'), 'messages', ['channel_id'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_messages_channel_id'), table_name='messages')
+    op.drop_index(op.f('ix_messages_author_id'), table_name='messages')
+    # ### end Alembic commands ###