blueprints/artifacts/models.py

@@ -8,13 +8,17 @@ class Artifact(Model):
     id = fields.UUIDField(primary_key=True)
     user = fields.ForeignKeyField("models.User", related_name="artifacts")
     conversation = fields.ForeignKeyField(
-        "models.Conversation", related_name="artifacts", on_delete=fields.CASCADE
+        "models.Conversation",
+        related_name="artifacts",
+        on_delete=fields.CASCADE,
+        db_index=True,
     )
     message = fields.ForeignKeyField(
         "models.ConversationMessage",
         related_name="artifacts",
         null=True,
         on_delete=fields.SET_NULL,
+        db_index=True,
     )
     tool = fields.CharField(max_length=255)
     kind = fields.CharField(max_length=64)

blueprints/conversation/models.py

@@ -26,6 +26,8 @@ class Conversation(Model):
 
     class Meta:
         table = "conversations"
+        # Conversation list: a user's conversations, most recent first.
+        indexes = (("user_id", "updated_at"),)
 
 
 class ConversationMessage(Model):
@@ -41,11 +43,13 @@ class ConversationMessage(Model):
 
     class Meta:
         table = "conversation_messages"
+        # Loading a conversation's history in order.
+        indexes = (("conversation_id", "created_at"),)
 
 
 class UserMemory(Model):
     id = fields.UUIDField(primary_key=True)
-    user = fields.ForeignKeyField("models.User", related_name="memories")
+    user = fields.ForeignKeyField("models.User", related_name="memories", db_index=True)
     content = fields.TextField()
     created_at = fields.DatetimeField(auto_now_add=True)
     updated_at = fields.DatetimeField(auto_now=True)

migrations/models/19_20261012225640_add_fk_indexes.py

@@ -0,0 +1,142 @@
+from tortoise import BaseDBAsyncClient
+
+RUN_IN_TRANSACTION = True
+
+
+async def upgrade(db: BaseDBAsyncClient) -> str:
+    return """
+        ALTER TABLE "users" ALTER COLUMN "ldap_groups" TYPE JSONB USING "ldap_groups"::JSONB;
+        ALTER TABLE "beli_restaurants" ALTER COLUMN "cuisine" TYPE JSONB USING "cuisine"::JSONB;
+        ALTER TABLE "beli_restaurants" ALTER COLUMN "tags" TYPE JSONB USING "tags"::JSONB;
+        ALTER TABLE "artifacts" ALTER COLUMN "data" TYPE JSONB USING "data"::JSONB;
+        ALTER TABLE "artifacts" ALTER COLUMN "source_ref" TYPE JSONB USING "source_ref"::JSONB;
+        ALTER TABLE "ynab_changes" ALTER COLUMN "changes" TYPE JSONB USING "changes"::JSONB;
+        CREATE INDEX IF NOT EXISTS "idx_conversatio_user_id_1f0c4c" ON "conversations" ("user_id", "updated_at");
+        CREATE INDEX IF NOT EXISTS "idx_conversatio_convers_d1744c" ON "conversation_messages" ("conversation_id", "created_at");
+        CREATE INDEX IF NOT EXISTS "idx_user_memori_user_id_8278f0" ON "user_memories" ("user_id");
+        CREATE INDEX IF NOT EXISTS "idx_artifacts_message_d8728a" ON "artifacts" ("message_id");
+        CREATE INDEX IF NOT EXISTS "idx_artifacts_convers_188f03" ON "artifacts" ("conversation_id");"""
+
+
+async def downgrade(db: BaseDBAsyncClient) -> str:
+    return """
+        DROP INDEX IF EXISTS "idx_conversatio_convers_d1744c";
+        DROP INDEX IF EXISTS "idx_conversatio_user_id_1f0c4c";
+        DROP INDEX IF EXISTS "idx_user_memori_user_id_8278f0";
+        DROP INDEX IF EXISTS "idx_artifacts_convers_188f03";
+        DROP INDEX IF EXISTS "idx_artifacts_message_d8728a";
+        ALTER TABLE "users" ALTER COLUMN "ldap_groups" TYPE JSONB USING "ldap_groups"::JSONB;
+        ALTER TABLE "artifacts" ALTER COLUMN "data" TYPE JSONB USING "data"::JSONB;
+        ALTER TABLE "artifacts" ALTER COLUMN "source_ref" TYPE JSONB USING "source_ref"::JSONB;
+        ALTER TABLE "ynab_changes" ALTER COLUMN "changes" TYPE JSONB USING "changes"::JSONB;
+        ALTER TABLE "beli_restaurants" ALTER COLUMN "cuisine" TYPE JSONB USING "cuisine"::JSONB;
+        ALTER TABLE "beli_restaurants" ALTER COLUMN "tags" TYPE JSONB USING "tags"::JSONB;"""
+
+
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