#!/usr/bin/env python3
# Copyright (c) Facebook, Inc. and its affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
from datetime import datetime
from typing import Any, Dict, List, Optional
from ax.core.base_trial import TrialStatus
from ax.core.parameter import ParameterType
from ax.core.types import (
ComparisonOp,
TModelPredict,
TModelPredictArm,
TParameterization,
TParamValue,
)
from ax.storage.sqa_store.db import (
LONG_STRING_FIELD_LENGTH,
LONGTEXT_BYTES,
NAME_OR_TYPE_FIELD_LENGTH,
Base,
)
from ax.storage.sqa_store.json import (
JSONEncodedDict,
JSONEncodedList,
JSONEncodedObject,
JSONEncodedTextDict,
)
from ax.storage.sqa_store.sqa_enum import IntEnum, StringEnum
from ax.storage.sqa_store.timestamp import IntTimestamp
from ax.storage.utils import DomainType, MetricIntent, ParameterConstraintType
from sqlalchemy import (
BigInteger,
Boolean,
Column,
Float,
ForeignKey,
Integer,
String,
Text,
)
from sqlalchemy.orm import backref, relationship
ONLY_ONE_FIELDS = ["experiment_id", "generator_run_id"]
ONLY_ONE_METRIC_FIELDS = ["scalarized_objective_id"]
[docs]class SQAParameter(Base):
__tablename__: str = "parameter_v2"
# pyre-fixme[8]: Attribute has type `DomainType`; used as `Column[typing.Any]`.
domain_type: DomainType = Column(IntEnum(DomainType), nullable=False)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
experiment_id: Optional[int] = Column(Integer, ForeignKey("experiment_v2.id"))
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
id: int = Column(Integer, primary_key=True)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
generator_run_id: Optional[int] = Column(Integer, ForeignKey("generator_run_v2.id"))
# pyre-fixme[8]: Attribute has type `str`; used as `Column[str]`.
name: str = Column(String(NAME_OR_TYPE_FIELD_LENGTH), nullable=False)
# pyre-fixme[8]: Attribute has type `ParameterType`; used as `Column[typing.Any]`.
parameter_type: ParameterType = Column(IntEnum(ParameterType), nullable=False)
# pyre-fixme[8]: Attribute has type `Optional[bool]`; used as `Column[bool]`.
is_fidelity: Optional[bool] = Column(Boolean)
# pyre-fixme[8]: Attribute has type `Union[None, bool, float, int, str]`; used
# as `Column[typing.Any]`.
target_value: Optional[TParamValue] = Column(JSONEncodedObject)
# Attributes for Range Parameters
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
digits: Optional[int] = Column(Integer)
# pyre-fixme[8]: Attribute has type `Optional[bool]`; used as `Column[bool]`.
log_scale: Optional[bool] = Column(Boolean)
# pyre-fixme[8]: Attribute has type `Optional[float]`; used as
# `Column[decimal.Decimal]`.
lower: Optional[float] = Column(Float)
# pyre-fixme[8]: Attribute has type `Optional[float]`; used as
# `Column[decimal.Decimal]`.
upper: Optional[float] = Column(Float)
# Attributes for Choice Parameters
# pyre-fixme[8]: Attribute has type `Optional[List[typing.Union[None, bool,
# float, int, str]]]`; used as `Column[typing.Any]`.
choice_values: Optional[List[TParamValue]] = Column(JSONEncodedList)
# pyre-fixme[8]: Attribute has type `Optional[bool]`; used as `Column[bool]`.
is_ordered: Optional[bool] = Column(Boolean)
# pyre-fixme[8]: Attribute has type `Optional[bool]`; used as `Column[bool]`.
is_task: Optional[bool] = Column(Boolean)
# Attributes for Fixed Parameters
# pyre-fixme[8]: Attribute has type `Union[None, bool, float, int, str]`; used
# as `Column[typing.Any]`.
fixed_value: Optional[TParamValue] = Column(JSONEncodedObject)
immutable_fields = ["name"]
unique_id = "name"
[docs]class SQAParameterConstraint(Base):
__tablename__: str = "parameter_constraint_v2"
# pyre-fixme[8]: Attribute has type `float`; used as `Column[decimal.Decimal]`.
bound: float = Column(Float, nullable=False)
# pyre-fixme[8]: Attribute has type `Dict[str, float]`; used as
# `Column[typing.Any]`.
constraint_dict: Dict[str, float] = Column(JSONEncodedDict, nullable=False)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
experiment_id: Optional[int] = Column(Integer, ForeignKey("experiment_v2.id"))
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
id: int = Column(Integer, primary_key=True)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
generator_run_id: Optional[int] = Column(Integer, ForeignKey("generator_run_v2.id"))
# pyre-fixme[8]: Attribute has type `IntEnum`; used as `Column[typing.Any]`.
type: IntEnum = Column(IntEnum(ParameterConstraintType), nullable=False)
# ParameterConstraints should never be updated; since they don't have
# a field that can be used for a UID, if anything changes,
# we should just throw them out and recreate them
immutable_fields = ["type", "constraint_dict", "bound"]
[docs]class SQAMetric(Base):
__tablename__: str = "metric_v2"
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
experiment_id: Optional[int] = Column(Integer, ForeignKey("experiment_v2.id"))
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
generator_run_id: Optional[int] = Column(Integer, ForeignKey("generator_run_v2.id"))
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
id: int = Column(Integer, primary_key=True)
# pyre-fixme[8]: Attribute has type `Optional[bool]`; used as `Column[bool]`.
lower_is_better: Optional[bool] = Column(Boolean)
# pyre-fixme[8]: Attribute has type `MetricIntent`; used as `Column[typing.Any]`.
intent: MetricIntent = Column(StringEnum(MetricIntent), nullable=False)
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
metric_type: int = Column(Integer, nullable=False)
# pyre-fixme[8]: Attribute has type `str`; used as `Column[str]`.
name: str = Column(String(LONG_STRING_FIELD_LENGTH), nullable=False)
# pyre-fixme[8]: Attribute has type `Optional[Dict[str, typing.Any]]`; used as
# `Column[typing.Any]`.
properties: Optional[Dict[str, Any]] = Column(JSONEncodedTextDict, default={})
# Attributes for Objectives
# pyre-fixme[8]: Attribute has type `Optional[bool]`; used as `Column[bool]`.
minimize: Optional[bool] = Column(Boolean)
# Attributes for Outcome Constraints
# pyre-fixme[8]: Attribute has type `Optional[ComparisonOp]`; used as
# `Column[typing.Any]`.
op: Optional[ComparisonOp] = Column(IntEnum(ComparisonOp))
# pyre-fixme[8]: Attribute has type `Optional[float]`; used as
# `Column[decimal.Decimal]`.
bound: Optional[float] = Column(Float)
# pyre-fixme[8]: Attribute has type `Optional[bool]`; used as `Column[bool]`.
relative: Optional[bool] = Column(Boolean)
# Multi-type Experiment attributes
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
trial_type: Optional[str] = Column(String(NAME_OR_TYPE_FIELD_LENGTH))
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
canonical_name: Optional[str] = Column(String(NAME_OR_TYPE_FIELD_LENGTH))
immutable_fields = ["name"]
unique_id = "name"
scalarized_objective_id = Column(Integer, ForeignKey("metric_v2.id"))
# Relationship containing SQAMetric(s) only defined for the parent metric
# of Multi/Scalarized Objective contains all children of the parent metric
# join_depth argument: used for loading self-referential relationships
# https://docs.sqlalchemy.org/en/13/orm/self_referential.html#configuring-self-referential-eager-loading
scalarized_objective_children_metrics = relationship(
"SQAMetric", cascade="all, delete-orphan", lazy="selectin", join_depth=5
)
# Attribute only defined for the children of Scalarized Objective
# pyre-fixme[8]: Attribute has type `Optional[float]`; used as
# `Column[decimal.Decimal]`.
scalarized_objective_weight: Optional[float] = Column(Float)
[docs]class SQAArm(Base):
__tablename__: str = "arm_v2"
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
generator_run_id: int = Column(Integer, ForeignKey("generator_run_v2.id"))
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
id: int = Column(Integer, primary_key=True)
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
name: Optional[str] = Column(String(NAME_OR_TYPE_FIELD_LENGTH))
# pyre-fixme[8]: Attribute has type `Dict[str, typing.Union[None, bool, float,
# int, str]]`; used as `Column[typing.Any]`.
parameters: TParameterization = Column(JSONEncodedTextDict, nullable=False)
# pyre-fixme[8]: Attribute has type `float`; used as `Column[decimal.Decimal]`.
weight: float = Column(Float, nullable=False, default=1.0)
immutable_fields = ["parameters"]
unique_id = "name"
[docs]class SQAAbandonedArm(Base):
__tablename__: str = "abandoned_arm_v2"
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
abandoned_reason: Optional[str] = Column(String(LONG_STRING_FIELD_LENGTH))
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
id: int = Column(Integer, primary_key=True)
# pyre-fixme[8]: Attribute has type `str`; used as `Column[str]`.
name: str = Column(String(NAME_OR_TYPE_FIELD_LENGTH), nullable=False)
# pyre-fixme[8]: Attribute has type `datetime`; used as `Column[typing.Any]`.
time_abandoned: datetime = Column(
IntTimestamp, nullable=False, default=datetime.now
)
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
trial_id: int = Column(Integer, ForeignKey("trial_v2.id"))
immutable_fields = ["name"]
unique_id = "name"
[docs]class SQAGeneratorRun(Base):
__tablename__: str = "generator_run_v2"
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
best_arm_name: Optional[str] = Column(String(NAME_OR_TYPE_FIELD_LENGTH))
# pyre-fixme[8]: Attribute has type `Optional[Dict[str, typing.Union[None, bool,
# float, int, str]]]`; used as `Column[typing.Any]`.
best_arm_parameters: Optional[TParameterization] = Column(JSONEncodedTextDict)
# pyre-fixme[8]: Attribute has type `Optional[typing.Tuple[Dict[str, float],
# Optional[Dict[str, Dict[str, float]]]]]`; used as `Column[typing.Any]`.
best_arm_predictions: Optional[TModelPredictArm] = Column(JSONEncodedList)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
generator_run_type: Optional[int] = Column(Integer)
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
id: int = Column(Integer, primary_key=True)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
index: Optional[int] = Column(Integer)
# pyre-fixme[8]: Attribute has type `Optional[typing.Tuple[Dict[str,
# List[float]], Dict[str, Dict[str, List[float]]]]]`; used as
# `Column[typing.Any]`.
model_predictions: Optional[TModelPredict] = Column(JSONEncodedList)
# pyre-fixme[8]: Attribute has type `datetime`; used as `Column[typing.Any]`.
time_created: datetime = Column(IntTimestamp, nullable=False, default=datetime.now)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
trial_id: Optional[int] = Column(Integer, ForeignKey("trial_v2.id"))
# pyre-fixme[8]: Attribute has type `Optional[float]`; used as
# `Column[decimal.Decimal]`.
weight: Optional[float] = Column(Float)
# pyre-fixme[8]: Attribute has type `Optional[float]`; used as
# `Column[decimal.Decimal]`.
fit_time: Optional[float] = Column(Float)
# pyre-fixme[8]: Attribute has type `Optional[float]`; used as
# `Column[decimal.Decimal]`.
gen_time: Optional[float] = Column(Float)
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
model_key: Optional[str] = Column(String(NAME_OR_TYPE_FIELD_LENGTH))
# pyre-fixme[8]: Attribute has type `Optional[Dict[str, typing.Any]]`; used as
# `Column[typing.Any]`.
model_kwargs: Optional[Dict[str, Any]] = Column(JSONEncodedTextDict)
# pyre-fixme[8]: Attribute has type `Optional[Dict[str, typing.Any]]`; used as
# `Column[typing.Any]`.
bridge_kwargs: Optional[Dict[str, Any]] = Column(JSONEncodedTextDict)
# pyre-fixme[8]: Attribute has type `Optional[Dict[str, typing.Any]]`; used as
# `Column[typing.Any]`.
gen_metadata: Optional[Dict[str, Any]] = Column(JSONEncodedTextDict)
# pyre-fixme[8]: Attribute has type `Optional[Dict[str, typing.Any]]`; used as
# `Column[typing.Any]`.
model_state_after_gen: Optional[Dict[str, Any]] = Column(JSONEncodedTextDict)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
generation_strategy_id: Optional[int] = Column(
Integer, ForeignKey("generation_strategy.id")
)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
generation_step_index: Optional[int] = Column(Integer)
# pyre-fixme[8]: Attribute has type `Optional[Dict[str, typing.Any]]`; used as
# `Column[typing.Any]`.
candidate_metadata_by_arm_signature: Optional[Dict[str, Any]] = Column(
JSONEncodedTextDict
)
# relationships
# Use selectin loading for collections to prevent idle timeout errors
# (https://docs.sqlalchemy.org/en/13/orm/loading_relationships.html#selectin-eager-loading)
arms: List[SQAArm] = relationship(
"SQAArm",
cascade="all, delete-orphan",
lazy="selectin",
order_by=lambda: SQAArm.id,
)
metrics: List[SQAMetric] = relationship(
"SQAMetric", cascade="all, delete-orphan", lazy="selectin"
)
parameters: List[SQAParameter] = relationship(
"SQAParameter", cascade="all, delete-orphan", lazy="selectin"
)
parameter_constraints: List[SQAParameterConstraint] = relationship(
"SQAParameterConstraint", cascade="all, delete-orphan", lazy="selectin"
)
ignore_during_update_fields = ["time_created"]
unique_id = "index"
[docs]class SQARunner(Base):
__tablename__: str = "runner"
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
id: int = Column(Integer, primary_key=True)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
experiment_id: Optional[int] = Column(Integer, ForeignKey("experiment_v2.id"))
# pyre-fixme[8]: Attribute has type `Optional[Dict[str, typing.Any]]`; used as
# `Column[typing.Any]`.
properties: Optional[Dict[str, Any]] = Column(JSONEncodedTextDict, default={})
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
runner_type: int = Column(Integer, nullable=False)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
trial_id: Optional[int] = Column(Integer, ForeignKey("trial_v2.id"))
# Multi-type Experiment attributes
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
trial_type: Optional[str] = Column(String(NAME_OR_TYPE_FIELD_LENGTH))
[docs]class SQAData(Base):
__tablename__: str = "data_v2"
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
id: int = Column(Integer, primary_key=True)
# pyre-fixme[8]: Attribute has type `str`; used as `Column[str]`.
data_json: str = Column(Text(LONGTEXT_BYTES), nullable=False)
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
description: Optional[str] = Column(String(LONG_STRING_FIELD_LENGTH))
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
experiment_id: int = Column(Integer, ForeignKey("experiment_v2.id"))
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
time_created: int = Column(BigInteger, nullable=False)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
trial_index: Optional[int] = Column(Integer)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
generation_strategy_id: Optional[int] = Column(
Integer, ForeignKey("generation_strategy.id")
)
unique_id = "time_created"
[docs]class SQAGenerationStrategy(Base):
__tablename__: str = "generation_strategy"
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
id: int = Column(Integer, primary_key=True)
# pyre-fixme[8]: Attribute has type `str`; used as `Column[str]`.
name: str = Column(String(NAME_OR_TYPE_FIELD_LENGTH), nullable=False)
# pyre-fixme[8]: Attribute has type `List[Dict[str, typing.Any]]`; used as
# `Column[typing.Any]`.
steps: List[Dict[str, Any]] = Column(JSONEncodedList, nullable=False)
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
curr_index: int = Column(Integer, nullable=False)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
experiment_id: Optional[int] = Column(Integer, ForeignKey("experiment_v2.id"))
generator_runs: List[SQAGeneratorRun] = relationship(
"SQAGeneratorRun",
cascade="all, delete-orphan",
lazy="selectin",
order_by=lambda: SQAGeneratorRun.id,
)
[docs]class SQATrial(Base):
__tablename__: str = "trial_v2"
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
abandoned_reason: Optional[str] = Column(String(NAME_OR_TYPE_FIELD_LENGTH))
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
deployed_name: Optional[str] = Column(String(NAME_OR_TYPE_FIELD_LENGTH))
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
experiment_id: int = Column(Integer, ForeignKey("experiment_v2.id"))
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
id: int = Column(Integer, primary_key=True)
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
index: int = Column(Integer, index=True, nullable=False)
# pyre-fixme[8]: Attribute has type `bool`; used as `Column[bool]`.
is_batch: bool = Column("is_batched", Boolean, nullable=False, default=True)
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
num_arms_created: int = Column(Integer, nullable=False, default=0)
# pyre-fixme[8]: Attribute has type `Optional[bool]`; used as `Column[bool]`.
optimize_for_power: Optional[bool] = Column(Boolean)
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
ttl_seconds: Optional[int] = Column(Integer)
# pyre-fixme[8]: Attribute has type `Optional[Dict[str, typing.Any]]`; used as
# `Column[typing.Any]`.
run_metadata: Optional[Dict[str, Any]] = Column(JSONEncodedTextDict)
# pyre-fixme[8]: Attribute has type `TrialStatus`; used as `Column[typing.Any]`.
status: TrialStatus = Column(
IntEnum(TrialStatus), nullable=False, default=TrialStatus.CANDIDATE
)
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
status_quo_name: Optional[str] = Column(String(NAME_OR_TYPE_FIELD_LENGTH))
# pyre-fixme[8]: Attribute has type `Optional[datetime]`; used as
# `Column[typing.Any]`.
time_completed: Optional[datetime] = Column(IntTimestamp)
# pyre-fixme[8]: Attribute has type `datetime`; used as `Column[typing.Any]`.
time_created: datetime = Column(IntTimestamp, nullable=False)
# pyre-fixme[8]: Attribute has type `Optional[datetime]`; used as
# `Column[typing.Any]`.
time_staged: Optional[datetime] = Column(IntTimestamp)
# pyre-fixme[8]: Attribute has type `Optional[datetime]`; used as
# `Column[typing.Any]`.
time_run_started: Optional[datetime] = Column(IntTimestamp)
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
trial_type: Optional[str] = Column(String(NAME_OR_TYPE_FIELD_LENGTH))
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
generation_step_index: Optional[int] = Column(Integer)
# pyre-fixme[8]: Attribute has type `Optional[Dict[str, typing.Any]]`; used as
# `Column[typing.Any]`.
properties: Optional[Dict[str, Any]] = Column(JSONEncodedTextDict, default={})
# relationships
# Trials and experiments are mutable, so the children relationships need
# cascade="all, delete-orphan", which means if we remove or replace
# a child, the old one will be deleted.
# Use selectin loading for collections to prevent idle timeout errors
# (https://docs.sqlalchemy.org/en/13/orm/loading_relationships.html#selectin-eager-loading)
abandoned_arms: List[SQAAbandonedArm] = relationship(
"SQAAbandonedArm", cascade="all, delete-orphan", lazy="selectin"
)
generator_runs: List[SQAGeneratorRun] = relationship(
"SQAGeneratorRun", cascade="all, delete-orphan", lazy="selectin"
)
runner: SQARunner = relationship(
"SQARunner", uselist=False, cascade="all, delete-orphan", lazy=False
)
unique_id = "index"
ignore_during_update_fields = ["time_created"]
immutable_fields = ["is_batch"]
[docs]class SQAExperiment(Base):
__tablename__: str = "experiment_v2"
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
description: Optional[str] = Column(String(LONG_STRING_FIELD_LENGTH))
# pyre-fixme[8]: Attribute has type `Optional[int]`; used as `Column[int]`.
experiment_type: Optional[int] = Column(Integer)
# pyre-fixme[8]: Attribute has type `int`; used as `Column[int]`.
id: int = Column(Integer, primary_key=True)
# pyre-fixme[8]: Attribute has type `bool`; used as `Column[bool]`.
is_test: bool = Column(Boolean, nullable=False, default=False)
# pyre-fixme[8]: Attribute has type `str`; used as `Column[str]`.
name: str = Column(String(NAME_OR_TYPE_FIELD_LENGTH), nullable=False)
# pyre-fixme[8]: Attribute has type `Optional[Dict[str, typing.Any]]`; used as
# `Column[typing.Any]`.
properties: Optional[Dict[str, Any]] = Column(JSONEncodedTextDict, default={})
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
status_quo_name: Optional[str] = Column(String(NAME_OR_TYPE_FIELD_LENGTH))
# pyre-fixme[8]: Attribute has type `Optional[Dict[str, typing.Union[None, bool,
# float, int, str]]]`; used as `Column[typing.Any]`.
status_quo_parameters: Optional[TParameterization] = Column(JSONEncodedTextDict)
# pyre-fixme[8]: Attribute has type `datetime`; used as `Column[typing.Any]`.
time_created: datetime = Column(IntTimestamp, nullable=False)
# pyre-fixme[8]: Attribute has type `Optional[str]`; used as `Column[str]`.
default_trial_type: Optional[str] = Column(String(NAME_OR_TYPE_FIELD_LENGTH))
# relationships
# Trials and experiments are mutable, so the children relationships need
# cascade="all, delete-orphan", which means if we remove or replace
# a child, the old one will be deleted.
# Use selectin loading for collections to prevent idle timeout errors
# (https://docs.sqlalchemy.org/en/13/orm/loading_relationships.html#selectin-eager-loading)
data: List[SQAData] = relationship(
"SQAData", cascade="all, delete-orphan", lazy="selectin"
)
metrics: List[SQAMetric] = relationship(
"SQAMetric", cascade="all, delete-orphan", lazy="selectin"
)
parameters: List[SQAParameter] = relationship(
"SQAParameter", cascade="all, delete-orphan", lazy="selectin"
)
parameter_constraints: List[SQAParameterConstraint] = relationship(
"SQAParameterConstraint", cascade="all, delete-orphan", lazy="selectin"
)
runners: List[SQARunner] = relationship(
"SQARunner", cascade="all, delete-orphan", lazy=False
)
trials: List[SQATrial] = relationship(
"SQATrial", cascade="all, delete-orphan", lazy="selectin"
)
generation_strategy: Optional[SQAGenerationStrategy] = relationship(
"SQAGenerationStrategy",
backref=backref("experiment", lazy=True),
uselist=False,
lazy=True,
)
immutable_fields = ["name"]
ignore_during_update_fields = ["time_created"]
