Merge pull request #599 from bugout-dev/postgres-indexes

Add migration for create index  for speed up queries.

db/alembic/versions/5f5b8f19570f_added_index_for_address_type_and_name_.py

@@ -0,0 +1,32 @@
+"""Added index for address type and name of event
+
+Revision ID: 5f5b8f19570f
+Revises: f991fc7493c8
+Create Date: 2022-05-04 11:32:42.309322
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "5f5b8f19570f"
+down_revision = "f991fc7493c8"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.execute(
+        """
+        CREATE INDEX ix_polygon_labels_address_label_label_data_type_and_name ON polygon_labels USING BTREE (address,label,(label_data->>'type'),(label_data->>'name'));
+        """
+    )
+
+
+def downgrade():
+    op.execute(
+        """
+        DROP INDEX ix_polygon_labels_address_label_label_data_type_and_name;
+        """
+    )

db/moonstreamdb/models.py

@@ -260,6 +260,15 @@ class PolygonLabel(Base):  # type: ignore
         DateTime(timezone=True), server_default=utcnow(), nullable=False
     )
 
+    # Undescribed indexes
+    """
+    Migration: alembic\versions\5f5b8f19570f_added_index_for_address_type_and_name_.py
+
+    Index: "ix_polygon_labels_address_label_label_data_type_and_name" created manually.
+    By fields: (address, label, (label_data->>'type'), (label_data->>'name'))
+    Reason: https://github.com/sqlalchemy/alembic/issues/469#issuecomment-441887478
+    """
+
 
 class ESDFunctionSignature(Base):  # type: ignore
     """