Struct DropExtension 

pub struct DropExtension<'a> {
    pub drop_span: Span,
    pub extension_span: Span,
    pub if_exists: Option<Span>,
    pub extensions: Vec<Identifier<'a>>,
    pub restrict_or_cascade: Option<CascadeOrRestrict>,
}

Represent a drop extension statement (PostgreSQL)

let sql = "DROP EXTENSION IF EXISTS myext, otherext CASCADE;";
let mut issues = Issues::new(sql);
let mut stmts = parse_statements(sql, &mut issues, &options);
let drop: DropExtension = match stmts.pop() {
    Some(Statement::DropExtension(d)) => *d,
    _ => panic!("We should get a drop extension statement")
};
assert!(drop.extensions.get(0).unwrap().as_str() == "myext");

Fields

drop_span: Span

Span of “DROP”

extension_span: Span

Span of “EXTENSION”

if_exists: Option<Span>

Span of “IF EXISTS” if specified

extensions: Vec<Identifier<'a>>

List of extensions to drop

restrict_or_cascade: Option<CascadeOrRestrict>

Restrict or cascade option (PostgreSQL)

Trait Implementations

impl<'a> Clone for DropExtension<'a>

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

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for DropExtension<'a>

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

Formats the value using the given formatter.

impl<'a> Spanned for DropExtension<'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