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Added support for DROP DOMAIN #1828

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Merged
merged 2 commits into from
May 2, 2025
Merged

Added support for DROP DOMAIN #1828

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4ca1508
Added support for `DROP DOMAIN`
LucaCappelletti94 Apr 27, 2025
10dab51
Refactored into struct `DropDomain`
LucaCappelletti94 Apr 30, 2025
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36 changes: 36 additions & 0 deletions src/ast/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3319,6 +3319,14 @@ pub enum Statement {
drop_behavior: Option<DropBehavior>,
},
/// ```sql
/// DROP DOMAIN
/// ```
/// See [PostgreSQL](https://www.postgresql.org/docs/current/sql-dropdomain.html)
///
/// DROP DOMAIN [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ]
///
DropDomain(DropDomain),
/// ```sql
/// DROP PROCEDURE
/// ```
DropProcedure {
Expand Down Expand Up @@ -5092,6 +5100,21 @@ impl fmt::Display for Statement {
}
Ok(())
}
Statement::DropDomain(DropDomain {
if_exists,
name,
drop_behavior,
}) => {
write!(
f,
"DROP DOMAIN{} {name}",
if *if_exists { " IF EXISTS" } else { "" },
)?;
if let Some(op) = drop_behavior {
write!(f, " {op}")?;
}
Ok(())
}
Statement::DropProcedure {
if_exists,
proc_desc,
Expand Down Expand Up @@ -6827,6 +6850,19 @@ impl fmt::Display for CloseCursor {
}
}

/// A Drop Domain statement
#[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
pub struct DropDomain {
/// Whether to drop the domain if it exists
pub if_exists: bool,
/// The name of the domain to drop
pub name: ObjectName,
/// The behavior to apply when dropping the domain
pub drop_behavior: Option<DropBehavior>,
}

/// A function call
#[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
Expand Down
1 change: 1 addition & 0 deletions src/ast/spans.rs
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Expand Up @@ -454,6 +454,7 @@ impl Spanned for Statement {
Statement::DetachDuckDBDatabase { .. } => Span::empty(),
Statement::Drop { .. } => Span::empty(),
Statement::DropFunction { .. } => Span::empty(),
Statement::DropDomain { .. } => Span::empty(),
Statement::DropProcedure { .. } => Span::empty(),
Statement::DropSecret { .. } => Span::empty(),
Statement::Declare { .. } => Span::empty(),
Expand Down
1 change: 1 addition & 0 deletions src/keywords.rs
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Expand Up @@ -286,6 +286,7 @@ define_keywords!(
DISTRIBUTE,
DIV,
DO,
DOMAIN,
DOUBLE,
DOW,
DOY,
Expand Down
16 changes: 16 additions & 0 deletions src/parser/mod.rs
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Expand Up @@ -6051,6 +6051,8 @@ impl<'a> Parser<'a> {
return self.parse_drop_policy();
} else if self.parse_keyword(Keyword::CONNECTOR) {
return self.parse_drop_connector();
} else if self.parse_keyword(Keyword::DOMAIN) {
return self.parse_drop_domain();
} else if self.parse_keyword(Keyword::PROCEDURE) {
return self.parse_drop_procedure();
} else if self.parse_keyword(Keyword::SECRET) {
Expand Down Expand Up @@ -6146,6 +6148,20 @@ impl<'a> Parser<'a> {
Ok(Statement::DropConnector { if_exists, name })
}

/// ```sql
/// DROP DOMAIN [ IF EXISTS ] name [ CASCADE | RESTRICT ]
/// ```
fn parse_drop_domain(&mut self) -> Result<Statement, ParserError> {
let if_exists = self.parse_keywords(&[Keyword::IF, Keyword::EXISTS]);
let name = self.parse_object_name(false)?;
let drop_behavior = self.parse_optional_drop_behavior();
Ok(Statement::DropDomain(DropDomain {
if_exists,
name,
drop_behavior,
}))
}

/// ```sql
/// DROP PROCEDURE [ IF EXISTS ] name [ ( [ [ argmode ] [ argname ] argtype [, ...] ] ) ] [, ...]
/// [ CASCADE | RESTRICT ]
Expand Down
60 changes: 60 additions & 0 deletions tests/sqlparser_postgres.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4239,6 +4239,66 @@ fn parse_drop_function() {
);
}

#[test]
fn parse_drop_domain() {
let sql = "DROP DOMAIN IF EXISTS jpeg_domain";
assert_eq!(
pg().verified_stmt(sql),
Statement::DropDomain(DropDomain {
if_exists: true,
name: ObjectName::from(vec![Ident {
value: "jpeg_domain".to_string(),
quote_style: None,
span: Span::empty(),
}]),
drop_behavior: None
})
);

let sql = "DROP DOMAIN jpeg_domain";
assert_eq!(
pg().verified_stmt(sql),
Statement::DropDomain(DropDomain {
if_exists: false,
name: ObjectName::from(vec![Ident {
value: "jpeg_domain".to_string(),
quote_style: None,
span: Span::empty(),
}]),
drop_behavior: None
})
);

let sql = "DROP DOMAIN IF EXISTS jpeg_domain CASCADE";
assert_eq!(
pg().verified_stmt(sql),
Statement::DropDomain(DropDomain {
if_exists: true,
name: ObjectName::from(vec![Ident {
value: "jpeg_domain".to_string(),
quote_style: None,
span: Span::empty(),
}]),
drop_behavior: Some(DropBehavior::Cascade)
})
);

let sql = "DROP DOMAIN IF EXISTS jpeg_domain RESTRICT";

assert_eq!(
pg().verified_stmt(sql),
Statement::DropDomain(DropDomain {
if_exists: true,
name: ObjectName::from(vec![Ident {
value: "jpeg_domain".to_string(),
quote_style: None,
span: Span::empty(),
}]),
drop_behavior: Some(DropBehavior::Restrict)
})
);
}

#[test]
fn parse_drop_procedure() {
let sql = "DROP PROCEDURE IF EXISTS test_proc";
Expand Down