Module `buildstock_query.schema.utilities`

Expand source code

from __future__ import annotations
from typing import Union, Any, Sequence
from pydantic import BaseModel
import sqlalchemy as sa
from sqlalchemy.sql.elements import Label
from sqlalchemy.sql.selectable import Subquery

# from buildstock_query import BuildStockQuery  # can't import due to circular import


SACol = sa.Column
SALabel = Label
DBColType = Union[SALabel,  SACol]
DBTableType = sa.Table
AnyTableType = Union[DBTableType, str, Subquery]


class MappedColumn(BaseModel):
    bsq: Any  # BuildStockQuery
    name: str
    mapping_dict: dict
    key: Union[Union[DBColType, str], Sequence[Union[DBColType, str]]]

    class Config:
        arbitrary_types_allowed = True
        smart_union = True


AnyColType = Union[DBColType, str, MappedColumn]

Classes

class MappedColumn (**data: Any)

Create a new model by parsing and validating input data from keyword arguments.

Raises ValidationError if the input data cannot be parsed to form a valid model.

Expand source code

class MappedColumn(BaseModel):
    bsq: Any  # BuildStockQuery
    name: str
    mapping_dict: dict
    key: Union[Union[DBColType, str], Sequence[Union[DBColType, str]]]

    class Config:
        arbitrary_types_allowed = True
        smart_union = True

Ancestors

pydantic.main.BaseModel
pydantic.utils.Representation

Class variables

var Config
var bsq : Any
var key : Union[sqlalchemy.sql.elements.Label, sqlalchemy.sql.schema.Column, str, Sequence[Union[sqlalchemy.sql.elements.Label, sqlalchemy.sql.schema.Column, str]]]
var mapping_dict : dict
var name : str