Method parse_drop_objects

src/sql-parser/src/parser.rs:4861–4949

(&mut self)

    }

    fn parse_drop_objects(&mut self) -> Result<Statement<Raw>, ParserError> {
        let object_type = self.expect_object_type()?;
        let if_exists = self.parse_if_exists()?;
        match object_type {
            ObjectType::Database => {
                let name = UnresolvedObjectName::Database(self.parse_database_name()?);
                let restrict = matches!(
                    self.parse_at_most_one_keyword(&[CASCADE, RESTRICT], "DROP")?,
                    Some(RESTRICT),
                );
                Ok(Statement::DropObjects(DropObjectsStatement {
                    object_type: ObjectType::Database,
                    if_exists,
                    names: vec![name],
                    cascade: !restrict,
                }))
            }
            ObjectType::Schema => {
                let names = self.parse_comma_separated(|parser| {
                    Ok(UnresolvedObjectName::Schema(parser.parse_schema_name()?))
                })?;

                let cascade = matches!(
                    self.parse_at_most_one_keyword(&[CASCADE, RESTRICT], "DROP")?,
                    Some(CASCADE),
                );
                Ok(Statement::DropObjects(DropObjectsStatement {
                    object_type: ObjectType::Schema,
                    if_exists,
                    names,
                    cascade,
                }))
            }
            ObjectType::Role => {
                let names = self.parse_comma_separated(|parser| {
                    Ok(UnresolvedObjectName::Role(parser.parse_identifier()?))
                })?;
                Ok(Statement::DropObjects(DropObjectsStatement {
                    object_type: ObjectType::Role,
                    if_exists,
                    names,
                    cascade: false,
                }))
            }
            ObjectType::NetworkPolicy => {
                let names = self.parse_comma_separated(|parser| {
                    Ok(UnresolvedObjectName::NetworkPolicy(
                        parser.parse_identifier()?,
                    ))
                })?;
                Ok(Statement::DropObjects(DropObjectsStatement {
                    object_type: ObjectType::NetworkPolicy,
                    if_exists,
                    names,
                    cascade: false,
                }))
            }
            ObjectType::Cluster => self.parse_drop_clusters(if_exists),