foreignKey method
Implementation
ColumnDefinition foreignKey(String referencesTable, String referencesColumn,
{String onUpdate = 'CASCADE', String onDelete = 'CASCADE'}) {
_foreignTable = referencesTable;
_foreignColumn = referencesColumn;
_onUpdate = onUpdate;
_onDelete = onDelete;
_schema.foreign(
_name,
_foreignTable!,
_foreignColumn!,
onUpdate: _onUpdate ?? 'CASCADE',
onDelete: _onDelete ?? 'CASCADE',
);
return this;
}