Enum mech_core::Constraint

pub enum Constraint {
    NewTable {
        id: TableId,
        rows: u64,
        columns: u64,
    },
    TableColumn {
        table: u64,
        column_ix: u64,
        column_alias: u64,
    },
    Reference {
        table: TableId,
        destination: u64,
    },
    Scan {
        table: TableId,
        indices: Vec<(Option<Parameter>, Option<Parameter>)>,
        output: TableId,
    },
    ChangeScan {
        tables: Vec<(TableId, Vec<(Option<Parameter>, Option<Parameter>)>)>,
    },
    Identifier {
        id: u64,
        text: String,
    },
    Function {
        fnstring: String,
        parameters: Vec<(String, TableId, Vec<(Option<Parameter>, Option<Parameter>)>)>,
        output: Vec<TableId>,
    },
    Constant {
        table: TableId,
        row: Index,
        column: Index,
        value: Quantity,
        unit: Option<String>,
    },
    String {
        table: TableId,
        row: Index,
        column: Index,
        value: String,
    },
    CopyTable {
        from_table: u64,
        to_table: u64,
    },
    AliasTable {
        table: TableId,
        alias: u64,
    },
    Insert {
        from: (TableId, Vec<(Option<Parameter>, Option<Parameter>)>),
        to: (TableId, Vec<(Option<Parameter>, Option<Parameter>)>),
    },
    Append {
        from_table: TableId,
        to_table: TableId,
    },
    Empty {
        table: TableId,
        row: Index,
        column: Index,
    },
    Null,
}

Variants

NewTable

Fields of NewTable

id: TableIdrows: u64columns: u64

TableColumn

Fields of TableColumn

table: u64column_ix: u64column_alias: u64

Reference

Fields of Reference

table: TableIddestination: u64

Scan

Fields of Scan

table: TableIdindices: Vec<(Option<Parameter>, Option<Parameter>)>output: TableId

ChangeScan

Fields of ChangeScan

tables: Vec<(TableId, Vec<(Option<Parameter>, Option<Parameter>)>)>

Identifier

Fields of Identifier

id: u64text: String

Function

Fields of Function

fnstring: Stringparameters: Vec<(String, TableId, Vec<(Option<Parameter>, Option<Parameter>)>)>output: Vec<TableId>

Constant

Fields of Constant

table: TableIdrow: Indexcolumn: Indexvalue: Quantityunit: Option<String>

String

Fields of String

table: TableIdrow: Indexcolumn: Indexvalue: String

CopyTable

Fields of CopyTable

from_table: u64to_table: u64

AliasTable

Fields of AliasTable

table: TableIdalias: u64

Insert

Fields of Insert

from: (TableId, Vec<(Option<Parameter>, Option<Parameter>)>)to: (TableId, Vec<(Option<Parameter>, Option<Parameter>)>)

Append

Fields of Append

from_table: TableIdto_table: TableId

Empty

Fields of Empty

table: TableIdrow: Indexcolumn: Index

Null

Trait Implementations

impl Clone for Constraint

fn clone(&self) -> Constraint

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Constraint

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Constraint

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl PartialEq<Constraint> for Constraint

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Serialize for Constraint

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Constraint