surrealdb_sql/statements/alter/
param.rs

1use common::fmt::{EscapeKwFreeIdent, QuoteStr};
2use surrealdb_strand::Strand;
3use surrealdb_types::{SqlFormat, ToSql, write_sql};
4
5use super::AlterKind;
6use crate::{CoverStmts, Expr, Permission};
7
8#[derive(Clone, Debug, Default, Eq, PartialEq)]
9#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
10/// AST node for `ALTER PARAM`.
11pub struct AlterParamStatement {
12	pub name: Strand,
13	pub if_exists: bool,
14	pub value: Option<Expr>,
15	pub comment: AlterKind<String>,
16	pub permissions: Option<Permission>,
17}
18
19impl ToSql for AlterParamStatement {
20	fn fmt_sql(&self, f: &mut String, fmt: SqlFormat) {
21		write_sql!(f, fmt, "ALTER PARAM");
22		if self.if_exists {
23			write_sql!(f, fmt, " IF EXISTS");
24		}
25		write_sql!(f, fmt, " ${}", EscapeKwFreeIdent(self.name.as_str()));
26
27		if let Some(ref v) = self.value {
28			write_sql!(f, fmt, " VALUE {}", CoverStmts(v));
29		}
30
31		match self.comment {
32			AlterKind::Set(ref v) => write_sql!(f, fmt, " COMMENT {}", QuoteStr(v)),
33			AlterKind::Drop => f.push_str(" DROP COMMENT"),
34			AlterKind::None => {}
35		}
36
37		if let Some(ref p) = self.permissions {
38			let fmt = fmt.increment();
39			write_sql!(f, fmt, " PERMISSIONS {}", p);
40		}
41	}
42}
surrealdb_sql/statements/alter/param.rs

surrealdb_sql/statements/alter/
param.rs
