uranusjr commented on code in PR #24044:
URL: https://github.com/apache/airflow/pull/24044#discussion_r893275723
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airflow/models/variable.py:
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@@ -47,7 +48,7 @@ class Variable(Base, LoggingMixin):
id = Column(Integer, primary_key=True)
key = Column(String(ID_LEN), unique=True)
- _val = Column('val', Text)
+ _val = Column('val', Text().with_variant(MEDIUMTEXT, 'mysql'))
Review Comment:
Why do some of the Text fields need a MySQL variant, but some don’t? Should
we unify them?
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airflow/models/trigger.py:
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@@ -52,7 +52,7 @@ class Trigger(Base):
id = Column(Integer, primary_key=True)
classpath = Column(String(1000), nullable=False)
kwargs = Column(ExtendedJSON, nullable=False)
- created_date = Column(UtcDateTime, nullable=False)
+ created_date = Column(DateTime, nullable=False) # DateTime without
timezone
Review Comment:
I feel this _should_ use UtcDateTime.
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airflow/models/serialized_dag.py:
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@@ -67,7 +67,7 @@ class SerializedDagModel(Base):
dag_id = Column(String(ID_LEN), primary_key=True)
fileloc = Column(String(2000), nullable=False)
# The max length of fileloc exceeds the limit of indexing.
- fileloc_hash = Column(BigInteger, nullable=False)
+ fileloc_hash = Column(BigInteger().with_variant(Integer, 'sqlite'),
nullable=False)
Review Comment:
Similarly, it seems suspicious this needs a variant, but `pickle_hash` on
DagPickle does not.
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