Update column types and bump version (#1653)

* Add logger import in script.py.mako

* Fix error handling during upgrade in alembic scripts

* Bump version to 0.6.14 in pyproject.toml

* Update column types in credential and api_key models

* Bump version to 0.6.15 in pyproject.toml

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langflow"
-version = "0.6.14"
+version = "0.6.15"
 description = "A Python package with a built-in web application"
 authors = ["Logspace <contact@logspace.ai>"]
 maintainers = [

src/backend/langflow/alembic/versions/2ac71eb9c3ae_adds_credential_table.py

@@ -36,7 +36,7 @@ def upgrade() -> None:
                 ),
                 sa.Column("user_id", sqlmodel.sql.sqltypes.GUID(), nullable=False),
                 sa.Column("id", sqlmodel.sql.sqltypes.GUID(), nullable=False),
-                sa.Column("created_at", sa.DateTime(), nullable=False),
+                sa.Column("created_at", sqlmodel.sql.sqltypes.DateTime(), nullable=False),
                 sa.Column("updated_at", sa.DateTime(), nullable=True),
                 sa.PrimaryKeyConstraint("id"),
             )

src/backend/langflow/services/database/models/api_key/model.py

@@ -3,7 +3,7 @@ from typing import TYPE_CHECKING, Optional
 from uuid import UUID, uuid4
 
 from pydantic import validator
-from sqlmodel import Field, Relationship, SQLModel
+from sqlmodel import Field, Relationship, SQLModel, Field, Column, func, DateTime
 
 if TYPE_CHECKING:
     from langflow.services.database.models.user import User
@@ -11,8 +11,8 @@ if TYPE_CHECKING:
 
 class ApiKeyBase(SQLModel):
     name: Optional[str] = Field(index=True, nullable=True, default=None)
-    created_at: datetime = Field(default_factory=datetime.utcnow)
+    created_at: datetime = Field(sa_column=Column(DateTime(timezone=True), server_default=func.now()))
-    last_used_at: Optional[datetime] = Field(default=None, nullable=True)
+    last_used_at: Optional[datetime] = Field(sa_column=Column(DateTime(timezone=True)))
     total_uses: int = Field(default=0)
     is_active: bool = Field(default=True)
 

src/backend/langflow/services/database/models/credential/model.py

@@ -2,7 +2,7 @@ from datetime import datetime
 from typing import TYPE_CHECKING, Optional
 from uuid import UUID, uuid4
 
-from sqlmodel import Field, Relationship, SQLModel
+from sqlmodel import Field, Relationship, SQLModel, Column, func, DateTime
 
 from langflow.services.database.models.credential.schema import CredentialType
 
@@ -19,8 +19,11 @@ class CredentialBase(SQLModel):
 class Credential(CredentialBase, table=True):
     id: Optional[UUID] = Field(default_factory=uuid4, primary_key=True, description="Unique ID for the credential")
     # name is unique per user
-    created_at: datetime = Field(default_factory=datetime.utcnow, description="Creation time of the credential")
+    created_at: datetime = Field(
-    updated_at: Optional[datetime] = Field(None, description="Last update time of the credential")
+        sa_column=Column(DateTime(timezone=True), server_default=func.now()),
+        description="Creation time of the credential",
+    )
+    updated_at: Optional[datetime] = Field(None,sa_column=Column(DateTime(timezone=True)), description="Last update time of the credential")
     # foreign key to user table
     user_id: UUID = Field(description="User ID associated with this credential", foreign_key="user.id")
     user: "User" = Relationship(back_populates="credentials")