Enum sql_parse::AlterSpecification

pub enum AlterSpecification<'a> {
    AddIndex {
        add_span: Span,
        index_type: IndexType,
        if_not_exists: Option<Span>,
        name: Option<Identifier<'a>>,
        constraint: Option<(Span, Option<Identifier<'a>>)>,
        cols: Vec<IndexCol<'a>>,
        index_options: Vec<IndexOption<'a>>,
    },
    AddForeignKey {
        add_span: Span,
        constraint: Option<(Span, Option<Identifier<'a>>)>,
        foreign_key_span: Span,
        if_not_exists: Option<Span>,
        name: Option<Identifier<'a>>,
        cols: Vec<IndexCol<'a>>,
        references_span: Span,
        references_table: Identifier<'a>,
        references_cols: Vec<Identifier<'a>>,
        ons: Vec<ForeignKeyOn>,
    },
    Modify {
        modify_span: Span,
        if_exists: Option<Span>,
        col: Identifier<'a>,
        definition: DataType<'a>,
    },
}

Enum of alterations to perform on a table

Variants

AddIndex

Fields

add_span: Span

Span of “ADD”

index_type: IndexType

The type of index to add

if_not_exists: Option<Span>

Span of “IF NOT EXISTS” if specified

name: Option<Identifier<'a>>

Named of index if specified

constraint: Option<(Span, Option<Identifier<'a>>)>

Optional “CONSTRAINT” with symbol if specified

cols: Vec<IndexCol<'a>>

Columns to add the index over

index_options: Vec<IndexOption<'a>>

Options on the index

Add an index

AddForeignKey

Fields

add_span: Span

Span of “ADD”

constraint: Option<(Span, Option<Identifier<'a>>)>

Optional “CONSTRAINT” with symbol if specified

foreign_key_span: Span

Span of “FOREIGN KEY”

if_not_exists: Option<Span>

Span of “IF NOT EXISTS” if specified

name: Option<Identifier<'a>>

Named of index if specified

cols: Vec<IndexCol<'a>>

Columns to add the index over

references_span: Span

Span of “REFERENCES”

references_table: Identifier<'a>

Refereed table

references_cols: Vec<Identifier<'a>>

Columns in referred table

ons: Vec<ForeignKeyOn>

List of what should happen at specified events

Add a foreign key

Modify

Fields

modify_span: Span

if_exists: Option<Span>

Span of “IF EXISTS” if specified

col: Identifier<'a>

Name of column to modify

definition: DataType<'a>

New definition of column

Modify a column

Trait Implementations

impl<'a> Clone for AlterSpecification<'a>

fn clone(&self) -> AlterSpecification<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for AlterSpecification<'a>

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

Formats the value using the given formatter.

impl<'a> Spanned for AlterSpecification<'a>

fn span(&self) -> Span

Compute byte span of an ast fragment

fn join_span(&self, other: &impl OptSpanned) -> Span

Compute the minimal span containing both self and other