Struct ColumnNullableRule 

pub struct ColumnNullableRule { /* private fields */ }

Rule that checks if a column is nullable

Implementations

impl ColumnNullableRule

pub fn new(column_name: String, expected_nullable: bool) -> Self

Creates a new ColumnNullableRule

Arguments

• column_name - The name of the column to check
• expected_nullable - Whether the column should be nullable

Trait Implementations

impl Clone for ColumnNullableRule

fn clone(&self) -> ColumnNullableRule

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ColumnNullableRule

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl SchemaRule for ColumnNullableRule

fn validate_schema(&self, schema: &DFSchema) -> Result<bool, ValidationError>

Validate the schema

fn name(&self) -> &str

Get the name of the rule

fn description(&self) -> &str

Get the description of the rule

fn validate_schema_with_ruleset( &self, schema: &DFSchema, _rule_set: &RuleSet, ) -> Result<bool, ValidationError>

Validate the schema with access to the RuleSet