Add migration.

moonstreamdb/alembic/versions/6f7c8d64d49a_zksync_address_label_data_name_index.py

@@ -0,0 +1,39 @@
+"""zksync address label_data name index
+
+Revision ID: 6f7c8d64d49a
+Revises: a1d9fab5f904
+Create Date: 2024-04-29 15:26:43.880238
+
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "6f7c8d64d49a"
+down_revision = "a1d9fab5f904"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_index(
+        "ix_zksync_era_labels_address_label_data_name",
+        "zksync_era_labels",
+        ["address", sa.text("(label_data ->> 'name')")],
+        unique=False,
+        postgresql_using="btree",
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(
+        "ix_zksync_era_labels_address_label_data_name",
+        table_name="zksync_era_labels",
+        postgresql_using="btree",
+    )
+    # ### end Alembic commands ###

moonstreamdb/moonstreamdb/models.py

@@ -15,7 +15,7 @@ from sqlalchemy import (
 from sqlalchemy.dialects.postgresql import JSONB, UUID
 from sqlalchemy.ext.compiler import compiles
 from sqlalchemy.ext.declarative import declarative_base
-from sqlalchemy.sql import expression
+from sqlalchemy.sql import expression, text
 
 """
 Naming conventions doc
@@ -759,6 +759,12 @@ class ZkSyncEraLabel(Base):  # type: ignore
             "block_timestamp",
             unique=False,
         ),
+        Index(
+            "ix_zksync_era_labels_address_label_data_name",
+            "address",
+            text("(label_data ->> 'name')"),
+            postgresql_using="btree",
+        ),
     )
 
     id = Column(