Struct SetOperation

pub struct SetOperation {
    pub left_input: Option<Box<Relation>>,
    pub right_input: Option<Box<Relation>>,
    pub set_op_type: i32,
    pub is_all: Option<bool>,
    pub by_name: Option<bool>,
    pub allow_missing_columns: Option<bool>,
}

Relation of type [SetOperation]

Fields

left_input: Option<Box<Relation>>

(Required) Left input relation for a Set operation.

right_input: Option<Box<Relation>>

(Required) Right input relation for a Set operation.

set_op_type: i32

(Required) The Set operation type.

is_all: Option<bool>

(Optional) If to remove duplicate rows.

True to preserve all results. False to remove duplicate rows.

by_name: Option<bool>

(Optional) If to perform the Set operation based on name resolution.

Only UNION supports this option.

allow_missing_columns: Option<bool>

(Optional) If to perform the Set operation and allow missing columns.

Only UNION supports this option.

Implementations

impl SetOperation

pub fn set_op_type(&self) -> SetOpType

Returns the enum value of set_op_type, or the default if the field is set to an invalid enum value.

pub fn set_set_op_type(&mut self, value: SetOpType)

Sets set_op_type to the provided enum value.

pub fn is_all(&self) -> bool

Returns the value of is_all, or the default value if is_all is unset.

pub fn by_name(&self) -> bool

Returns the value of by_name, or the default value if by_name is unset.

pub fn allow_missing_columns(&self) -> bool

Returns the value of allow_missing_columns, or the default value if allow_missing_columns is unset.

Trait Implementations

impl Clone for SetOperation

fn clone(&self) -> SetOperation

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for SetOperation

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

Formats the value using the given formatter.

impl Default for SetOperation

fn default() -> Self

Returns the “default value” for a type.

impl Message for SetOperation

fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.

fn clear(&mut self)

Clears the message, resetting all fields to their default.

fn encode<B>(&self, buf: &mut B) -> Result<(), EncodeError>

where B: BufMut, Self: Sized,

Encodes the message to a buffer.

fn encode_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message to a newly allocated buffer.

fn encode_length_delimited<B>(&self, buf: &mut B) -> Result<(), EncodeError>

where B: BufMut, Self: Sized,

Encodes the message with a length-delimiter to a buffer.

fn encode_length_delimited_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message with a length-delimiter to a newly allocated buffer.

fn decode<B>(buf: B) -> Result<Self, DecodeError>

where B: Buf, Self: Default,

Decodes an instance of the message from a buffer.

fn decode_length_delimited<B>(buf: B) -> Result<Self, DecodeError>

where B: Buf, Self: Default,

Decodes a length-delimited instance of the message from the buffer.

fn merge<B>(&mut self, buf: B) -> Result<(), DecodeError>

where B: Buf, Self: Sized,

Decodes an instance of the message from a buffer, and merges it into self.

fn merge_length_delimited<B>(&mut self, buf: B) -> Result<(), DecodeError>

where B: Buf, Self: Sized,

Decodes a length-delimited instance of the message from buffer, and merges it into self.

impl PartialEq for SetOperation

fn eq(&self, other: &SetOperation) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for SetOperation