lsst.dax.apdb.schema_model.ForeignKeyConstraint Class Reference

Inheritance diagram for lsst.dax.apdb.schema_model.ForeignKeyConstraint:

Public Member Functions
Table	referenced_table (self)

Public Attributes
	referenced_columns

Static Public Attributes
list	columns = dataclasses.field(default_factory=list)
list	referenced_columns = dataclasses.field(default_factory=list)
str	onupdate = None
str	ondelete = None

Detailed Description

Description of foreign key constraint.

Definition at line 294 of file schema_model.py.

Member Function Documentation

referenced_table()

Table lsst.dax.apdb.schema_model.ForeignKeyConstraint.referenced_table

(

self

)

Table referenced by this constraint.

Definition at line 319 of file schema_model.py.

    def referenced_table(self) -> Table:
        """Table referenced by this constraint."""
        assert len(self.referenced_columns) > 0, "column list cannot be empty"
        ref_table = self.referenced_columns[0].table
        assert ref_table is not None, "foreign key column must have table defined"
        return ref_table
 
 
@dataclasses.dataclass

Member Data Documentation

columns

list lsst.dax.apdb.schema_model.ForeignKeyConstraint.columns = dataclasses.field(default_factory=list)

static

Definition at line 297 of file schema_model.py.

ondelete

str lsst.dax.apdb.schema_model.ForeignKeyConstraint.ondelete = None

static

Definition at line 313 of file schema_model.py.

onupdate

str lsst.dax.apdb.schema_model.ForeignKeyConstraint.onupdate = None

static

Definition at line 308 of file schema_model.py.

referenced_columns [1/2]

list lsst.dax.apdb.schema_model.ForeignKeyConstraint.referenced_columns = dataclasses.field(default_factory=list)

static

Definition at line 302 of file schema_model.py.

referenced_columns [2/2]

lsst.dax.apdb.schema_model.ForeignKeyConstraint.referenced_columns

Definition at line 321 of file schema_model.py.

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The documentation for this class was generated from the following file:

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-8.0.0/Linux64/dax_apdb/g295015adf3+81dd352a9d/python/lsst/dax/apdb/schema_model.py