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fix(api): Remove `postgresql_nulls_not_distinct=False` in unique indexes 

This option would generate upgrading / table creating sql with `NULLS
DISTINCT` part and causing syntax error while running testcontainer
tests.

The `NULLS DISTINCT` syntax is only supported by PG 15+.
This commit is contained in:
QuantumGhost 2025-09-18 02:55:19 +08:00
parent 370127b87a
commit 8f2b53275c
2 changed files with 10 additions and 4 deletions
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2
api/migrations/versions/2025_09_17_1515-68519ad5cd18_knowledge_pipeline_migrate.py
View File

@ -156,7 +156,7 @@ def upgrade():
sa.Column('type', sa.String(20), nullable=False),
sa.Column('file_id', models.types.StringUUID(), nullable=False),
sa.PrimaryKeyConstraint('id', name=op.f('workflow_node_execution_offload_pkey')),
sa.UniqueConstraint('node_execution_id', 'type', name=op.f('workflow_node_execution_offload_node_execution_id_key'), postgresql_nulls_not_distinct=False)
sa.UniqueConstraint('node_execution_id', 'type', name=op.f('workflow_node_execution_offload_node_execution_id_key'))
)
with op.batch_alter_table('datasets', schema=None) as batch_op:
batch_op.add_column(sa.Column('keyword_number', sa.Integer(), server_default=sa.text('10'), nullable=True))

12
api/models/workflow.py
View File

@ -890,12 +890,18 @@ class WorkflowNodeExecutionModel(Base): # This model is expected to have `offlo
class WorkflowNodeExecutionOffload(Base):
__tablename__ = "workflow_node_execution_offload"
__table_args__ = (
# PostgreSQL 14 treats NULL values as distinct in unique constraints by default,
# allowing multiple records with NULL values for the same column combination.
#
# This behavior allows us to have multiple records with NULL node_execution_id,
# simplifying garbage collection process.
UniqueConstraint(
"node_execution_id",
"type",
# Treat `NULL` as distinct for this unique index, so
# we can have mutitple records with `NULL` node_exeution_id, simplify garbage collection process.
postgresql_nulls_not_distinct=False,
# Note: PostgreSQL 15+ supports explicit `nulls distinct` behavior through
# `postgresql_nulls_not_distinct=False`, which would make our intention clearer.
# We rely on PostgreSQL's default behavior of treating NULLs as distinct values.
# postgresql_nulls_not_distinct=False,
),
)
_HASH_COL_SIZE = 64