Token indexes

src/dexorder/database/model/token.py

@@ -1,6 +1,7 @@
 import logging
 from typing import TypedDict, Optional, NotRequired
 
+from sqlalchemy import Index
 from sqlalchemy.orm import Mapped, mapped_column
 
 from dexorder.database.column import Address, Blockchain, Uint8
@@ -39,10 +40,14 @@ class Token (Base):
     chain: Mapped[Blockchain] = mapped_column(primary_key=True)
     address: Mapped[Address] = mapped_column(primary_key=True)
     name: Mapped[str]
-    symbol: Mapped[str]
+    symbol: Mapped[str] = mapped_column(index=True)
     decimals: Mapped[Uint8]
     approved: Mapped[bool] = mapped_column(index=True)
 
+    __table_args__ = (
+        Index('idx_name', 'name', postgresql_using='gist'), # full text search on name
+    )
+
 
     @staticmethod
     def load(token_dict: OldTokenDict) -> 'Token':