fix: Change error_message column type to TEXT in DatabaseSessionService

hiroakis · hiroakis · commit 1474fd552cdb · 2025-12-12T19:26:14.000+09:00
Error messages can exceed 1024 characters.
diff --git a/src/google/adk/sessions/database_session_service.py b/src/google/adk/sessions/database_session_service.py
@@ -269,7 +269,7 @@ class StorageEvent(Base):
   error_code: Mapped[str] = mapped_column(
       String(DEFAULT_MAX_VARCHAR_LENGTH), nullable=True
   )
-  error_message: Mapped[str] = mapped_column(String(1024), nullable=True)
+  error_message: Mapped[str] = mapped_column(Text, nullable=True)
   interrupted: Mapped[bool] = mapped_column(Boolean, nullable=True)
   input_transcription: Mapped[dict[str, Any]] = mapped_column(
       DynamicJSON, nullable=True

Original file line number	Diff line number	Diff line change
`@@ -269,7 +269,7 @@ class StorageEvent(Base):`
`269`	`269`	`error_code: Mapped[str] = mapped_column(`
`270`	`270`	`String(DEFAULT_MAX_VARCHAR_LENGTH), nullable=True`
`271`	`271`	`)`
`272`		`- error_message: Mapped[str] = mapped_column(String(1024), nullable=True)`
	`272`	`+ error_message: Mapped[str] = mapped_column(Text, nullable=True)`
`273`	`273`	`interrupted: Mapped[bool] = mapped_column(Boolean, nullable=True)`
`274`	`274`	`input_transcription: Mapped[dict[str, Any]] = mapped_column(`
`275`	`275`	`DynamicJSON, nullable=True`