fix: (psycopg2.errors.StringDataRightTruncation) value too long for type character varying(40) Fixes langgenius#14593 (langgenius#14597)

Co-authored-by: engchina <[email protected]>

Author: 2 people

api/migrations/versions/2025_03_03_0304-4413929e1ec2_extend_provider_name_column.py

@@ -0,0 +1,39 @@
+"""extend_provider_name_column
+
+Revision ID: 4413929e1ec2
+Revises: 08ec4f75af5e
+Create Date: 2025-03-03 03:04:58.181493
+
+"""
+from alembic import op
+import models as models
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '4413929e1ec2'
+down_revision = '08ec4f75af5e'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('dataset_collection_bindings', schema=None) as batch_op:
+        batch_op.alter_column('provider_name',
+               existing_type=sa.VARCHAR(length=40),
+               type_=sa.String(length=255),
+               existing_nullable=False)
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('dataset_collection_bindings', schema=None) as batch_op:
+        batch_op.alter_column('provider_name',
+               existing_type=sa.String(length=255),
+               type_=sa.VARCHAR(length=40),
+               existing_nullable=False)
+
+    # ### end Alembic commands ###

api/models/dataset.py

@@ -785,7 +785,7 @@ class DatasetCollectionBinding(db.Model):  # type: ignore[name-defined]
     )
 
     id = db.Column(StringUUID, primary_key=True, server_default=db.text("uuid_generate_v4()"))
-    provider_name = db.Column(db.String(40), nullable=False)
+    provider_name = db.Column(db.String(255), nullable=False)
     model_name = db.Column(db.String(255), nullable=False)
     type = db.Column(db.String(40), server_default=db.text("'dataset'::character varying"), nullable=False)
     collection_name = db.Column(db.String(64), nullable=False)