diff --git a/src/ast/ddl.rs b/src/ast/ddl.rs index c1c113b32..a457a0655 100644 --- a/src/ast/ddl.rs +++ b/src/ast/ddl.rs @@ -2153,6 +2153,55 @@ impl fmt::Display for ClusteredBy { } } +#[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash)] +#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))] +#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))] +/// ```sql +/// CREATE DOMAIN name [ AS ] data_type +/// [ COLLATE collation ] +/// [ DEFAULT expression ] +/// [ domain_constraint [ ... ] ] +/// +/// where domain_constraint is: +/// +/// [ CONSTRAINT constraint_name ] +/// { NOT NULL | NULL | CHECK (expression) } +/// ``` +/// See [PostgreSQL](https://www.postgresql.org/docs/current/sql-createdomain.html) +pub struct CreateDomain { + /// The name of the domain to be created. + pub name: ObjectName, + /// The data type of the domain. + pub data_type: DataType, + /// The collation of the domain. + pub collation: Option, + /// The default value of the domain. + pub default: Option, + /// The constraints of the domain. + pub constraints: Vec, +} + +impl fmt::Display for CreateDomain { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!( + f, + "CREATE DOMAIN {name} AS {data_type}", + name = self.name, + data_type = self.data_type + )?; + if let Some(collation) = &self.collation { + write!(f, " COLLATE {collation}")?; + } + if let Some(default) = &self.default { + write!(f, " DEFAULT {default}")?; + } + if !self.constraints.is_empty() { + write!(f, " {}", display_separated(&self.constraints, " "))?; + } + Ok(()) + } +} + #[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash)] #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))] #[cfg_attr(feature = "visitor", derive(Visit, VisitMut))] diff --git a/src/ast/mod.rs b/src/ast/mod.rs index 45924579b..5a7e0edf7 100644 --- a/src/ast/mod.rs +++ b/src/ast/mod.rs @@ -55,12 +55,12 @@ pub use self::ddl::{ AlterTableAlgorithm, AlterTableLock, AlterTableOperation, AlterType, AlterTypeAddValue, AlterTypeAddValuePosition, AlterTypeOperation, AlterTypeRename, AlterTypeRenameValue, ClusteredBy, ColumnDef, ColumnOption, ColumnOptionDef, ColumnPolicy, ColumnPolicyProperty, - ConstraintCharacteristics, CreateConnector, CreateFunction, Deduplicate, DeferrableInitial, - DropBehavior, GeneratedAs, GeneratedExpressionMode, IdentityParameters, IdentityProperty, - IdentityPropertyFormatKind, IdentityPropertyKind, IdentityPropertyOrder, IndexOption, - IndexType, KeyOrIndexDisplay, NullsDistinctOption, Owner, Partition, ProcedureParam, - ReferentialAction, TableConstraint, TagsColumnOption, UserDefinedTypeCompositeAttributeDef, - UserDefinedTypeRepresentation, ViewColumnDef, + ConstraintCharacteristics, CreateConnector, CreateDomain, CreateFunction, Deduplicate, + DeferrableInitial, DropBehavior, GeneratedAs, GeneratedExpressionMode, IdentityParameters, + IdentityProperty, IdentityPropertyFormatKind, IdentityPropertyKind, IdentityPropertyOrder, + IndexOption, IndexType, KeyOrIndexDisplay, NullsDistinctOption, Owner, Partition, + ProcedureParam, ReferentialAction, TableConstraint, TagsColumnOption, + UserDefinedTypeCompositeAttributeDef, UserDefinedTypeRepresentation, ViewColumnDef, }; pub use self::dml::{CreateIndex, CreateTable, Delete, IndexColumn, Insert}; pub use self::operator::{BinaryOperator, UnaryOperator}; @@ -3967,6 +3967,8 @@ pub enum Statement { sequence_options: Vec, owned_by: Option, }, + /// A `CREATE DOMAIN` statement. + CreateDomain(CreateDomain), /// ```sql /// CREATE TYPE /// ``` @@ -4513,6 +4515,7 @@ impl fmt::Display for Statement { Ok(()) } Statement::CreateFunction(create_function) => create_function.fmt(f), + Statement::CreateDomain(create_domain) => create_domain.fmt(f), Statement::CreateTrigger { or_replace, is_constraint, diff --git a/src/ast/spans.rs b/src/ast/spans.rs index 93de5fff2..95245be84 100644 --- a/src/ast/spans.rs +++ b/src/ast/spans.rs @@ -479,6 +479,7 @@ impl Spanned for Statement { Statement::CreateSchema { .. } => Span::empty(), Statement::CreateDatabase { .. } => Span::empty(), Statement::CreateFunction { .. } => Span::empty(), + Statement::CreateDomain { .. } => Span::empty(), Statement::CreateTrigger { .. } => Span::empty(), Statement::DropTrigger { .. } => Span::empty(), Statement::CreateProcedure { .. } => Span::empty(), diff --git a/src/keywords.rs b/src/keywords.rs index 4eaad7ed2..a872911b3 100644 --- a/src/keywords.rs +++ b/src/keywords.rs @@ -286,6 +286,7 @@ define_keywords!( DISTRIBUTE, DIV, DO, + DOMAIN, DOUBLE, DOW, DOY, diff --git a/src/parser/mod.rs b/src/parser/mod.rs index 0546548af..b6a79ae6d 100644 --- a/src/parser/mod.rs +++ b/src/parser/mod.rs @@ -4555,6 +4555,8 @@ impl<'a> Parser<'a> { self.parse_create_external_table(or_replace) } else if self.parse_keyword(Keyword::FUNCTION) { self.parse_create_function(or_alter, or_replace, temporary) + } else if self.parse_keyword(Keyword::DOMAIN) { + self.parse_create_domain() } else if self.parse_keyword(Keyword::TRIGGER) { self.parse_create_trigger(or_replace, false) } else if self.parse_keywords(&[Keyword::CONSTRAINT, Keyword::TRIGGER]) { @@ -5894,6 +5896,35 @@ impl<'a> Parser<'a> { Ok(owner) } + /// Parses a [Statement::CreateDomain] statement. + fn parse_create_domain(&mut self) -> Result { + let name = self.parse_object_name(false)?; + self.expect_keyword_is(Keyword::AS)?; + let data_type = self.parse_data_type()?; + let collation = if self.parse_keyword(Keyword::COLLATE) { + Some(self.parse_identifier()?) + } else { + None + }; + let default = if self.parse_keyword(Keyword::DEFAULT) { + Some(self.parse_expr()?) + } else { + None + }; + let mut constraints = Vec::new(); + while let Some(constraint) = self.parse_optional_table_constraint()? { + constraints.push(constraint); + } + + Ok(Statement::CreateDomain(CreateDomain { + name, + data_type, + collation, + default, + constraints, + })) + } + /// ```sql /// CREATE POLICY name ON table_name [ AS { PERMISSIVE | RESTRICTIVE } ] /// [ FOR { ALL | SELECT | INSERT | UPDATE | DELETE } ] diff --git a/tests/sqlparser_postgres.rs b/tests/sqlparser_postgres.rs index 27fc7fa17..910e358da 100644 --- a/tests/sqlparser_postgres.rs +++ b/tests/sqlparser_postgres.rs @@ -5080,6 +5080,99 @@ fn test_escaped_string_literal() { } } +#[test] +fn parse_create_domain() { + let sql1 = "CREATE DOMAIN my_domain AS INTEGER CHECK (VALUE > 0)"; + let expected = Statement::CreateDomain(CreateDomain { + name: ObjectName::from(vec![Ident::new("my_domain")]), + data_type: DataType::Integer(None), + collation: None, + default: None, + constraints: vec![TableConstraint::Check { + name: None, + expr: Box::new(Expr::BinaryOp { + left: Box::new(Expr::Identifier(Ident::new("VALUE"))), + op: BinaryOperator::Gt, + right: Box::new(Expr::Value(test_utils::number("0").into())), + }), + }], + }); + + assert_eq!(pg().verified_stmt(sql1), expected); + + let sql2 = "CREATE DOMAIN my_domain AS INTEGER COLLATE \"en_US\" CHECK (VALUE > 0)"; + let expected = Statement::CreateDomain(CreateDomain { + name: ObjectName::from(vec![Ident::new("my_domain")]), + data_type: DataType::Integer(None), + collation: Some(Ident::with_quote('"', "en_US")), + default: None, + constraints: vec![TableConstraint::Check { + name: None, + expr: Box::new(Expr::BinaryOp { + left: Box::new(Expr::Identifier(Ident::new("VALUE"))), + op: BinaryOperator::Gt, + right: Box::new(Expr::Value(test_utils::number("0").into())), + }), + }], + }); + + assert_eq!(pg().verified_stmt(sql2), expected); + + let sql3 = "CREATE DOMAIN my_domain AS INTEGER DEFAULT 1 CHECK (VALUE > 0)"; + let expected = Statement::CreateDomain(CreateDomain { + name: ObjectName::from(vec![Ident::new("my_domain")]), + data_type: DataType::Integer(None), + collation: None, + default: Some(Expr::Value(test_utils::number("1").into())), + constraints: vec![TableConstraint::Check { + name: None, + expr: Box::new(Expr::BinaryOp { + left: Box::new(Expr::Identifier(Ident::new("VALUE"))), + op: BinaryOperator::Gt, + right: Box::new(Expr::Value(test_utils::number("0").into())), + }), + }], + }); + + assert_eq!(pg().verified_stmt(sql3), expected); + + let sql4 = "CREATE DOMAIN my_domain AS INTEGER COLLATE \"en_US\" DEFAULT 1 CHECK (VALUE > 0)"; + let expected = Statement::CreateDomain(CreateDomain { + name: ObjectName::from(vec![Ident::new("my_domain")]), + data_type: DataType::Integer(None), + collation: Some(Ident::with_quote('"', "en_US")), + default: Some(Expr::Value(test_utils::number("1").into())), + constraints: vec![TableConstraint::Check { + name: None, + expr: Box::new(Expr::BinaryOp { + left: Box::new(Expr::Identifier(Ident::new("VALUE"))), + op: BinaryOperator::Gt, + right: Box::new(Expr::Value(test_utils::number("0").into())), + }), + }], + }); + + assert_eq!(pg().verified_stmt(sql4), expected); + + let sql5 = "CREATE DOMAIN my_domain AS INTEGER CONSTRAINT my_constraint CHECK (VALUE > 0)"; + let expected = Statement::CreateDomain(CreateDomain { + name: ObjectName::from(vec![Ident::new("my_domain")]), + data_type: DataType::Integer(None), + collation: None, + default: None, + constraints: vec![TableConstraint::Check { + name: Some(Ident::new("my_constraint")), + expr: Box::new(Expr::BinaryOp { + left: Box::new(Expr::Identifier(Ident::new("VALUE"))), + op: BinaryOperator::Gt, + right: Box::new(Expr::Value(test_utils::number("0").into())), + }), + }], + }); + + assert_eq!(pg().verified_stmt(sql5), expected); +} + #[test] fn parse_create_simple_before_insert_trigger() { let sql = "CREATE TRIGGER check_insert BEFORE INSERT ON accounts FOR EACH ROW EXECUTE FUNCTION check_account_insert";