tomershaniii commented on code in PR #1747:
URL:
https://github.com/apache/datafusion-sqlparser-rs/pull/1747#discussion_r2023395604
##########
src/parser/mod.rs:
##########
@@ -7081,18 +7029,243 @@ impl<'a> Parser<'a> {
if let Token::Word(word) = self.peek_token().token {
if word.keyword == Keyword::OPTIONS {
- options = Some(self.parse_options(Keyword::OPTIONS)?);
+ table_options =
+
CreateTableOptions::Options(self.parse_options(Keyword::OPTIONS)?)
}
};
}
+ if !dialect_of!(self is HiveDialect) && table_options ==
CreateTableOptions::None {
+ let plain_options = self.parse_plain_options()?;
+ if !plain_options.is_empty() {
+ table_options = CreateTableOptions::Plain(plain_options)
+ }
+ };
+
Ok(CreateTableConfiguration {
partition_by,
cluster_by,
- options,
+ table_options,
})
}
+ fn parse_plain_option(&mut self) -> Result<Option<SqlOption>, ParserError>
{
+ // Single parameter option
+ if self.parse_keywords(&[Keyword::START, Keyword::TRANSACTION]) {
+ return Ok(Some(SqlOption::Ident(Ident::new("START TRANSACTION"))));
+ }
+
+ // Custom option
+ if self.parse_keywords(&[Keyword::COMMENT]) {
+ let has_eq = self.consume_token(&Token::Eq);
+ let value = self.next_token();
+
+ let comment = match (has_eq, value.token) {
+ (true, Token::SingleQuotedString(s)) => {
+ Ok(Some(SqlOption::Comment(CommentDef::WithEq(s))))
+ }
+ (false, Token::SingleQuotedString(s)) => {
+ Ok(Some(SqlOption::Comment(CommentDef::WithoutEq(s))))
+ }
+ (_, token) => {
+ self.expected("Token::SingleQuotedString",
TokenWithSpan::wrap(token))
+ }
+ };
+ return comment;
+ }
+
+ if self.parse_keywords(&[Keyword::ENGINE]) {
+ let _ = self.consume_token(&Token::Eq);
+ let value = self.next_token();
+
+ let engine = match value.token {
+ Token::Word(w) => {
+ let parameters = if self.peek_token() == Token::LParen {
+ Some(self.parse_parenthesized_identifiers()?)
+ } else {
+ None
+ };
+
+ Ok(Some(SqlOption::TableEngine(TableEngine {
+ name: w.value,
+ parameters,
+ })))
+ }
+ _ => {
+ return self.expected("Token::Word", value)?;
+ }
+ };
+
+ return engine;
+ }
+
+ if self.parse_keywords(&[Keyword::TABLESPACE]) {
+ let _ = self.consume_token(&Token::Eq);
+ let value = self.next_token();
+
+ let tablespace = match value.token {
+ // TABLESPACE tablespace_name [STORAGE DISK] | [TABLESPACE
tablespace_name] STORAGE MEMORY
+ Token::Word(Word { value: name, .. }) |
Token::SingleQuotedString(name) => {
+ let storage = match self.parse_keyword(Keyword::STORAGE) {
+ true => {
+ let _ = self.consume_token(&Token::Eq);
+ let storage_token = self.next_token();
+ match &storage_token.token {
+ Token::Word(w) => match
w.value.to_uppercase().as_str() {
+ "DISK" => Some(StorageType::Disk),
+ "MEMORY" => Some(StorageType::Memory),
+ _ => self
+ .expected("Storage type (DISK or
MEMORY)", storage_token)?,
+ },
+ _ => self.expected("Token::Word",
storage_token)?,
+ }
+ }
+ false => None,
+ };
+
+ Ok(Some(SqlOption::TableSpace(TablespaceOption {
+ name,
+ storage,
+ })))
+ }
+ _ => {
+ return self.expected("Token::Word", value)?;
+ }
+ };
+
+ return tablespace;
+ }
+
+ if self.parse_keyword(Keyword::UNION) {
+ let _ = self.consume_token(&Token::Eq);
+ let value = self.next_token();
+
+ match value.token {
+ // UNION [=] (tbl_name[,tbl_name]...)
+ Token::LParen => {
+ let tables: Vec<Ident> =
+ self.parse_comma_separated0(Parser::parse_identifier,
Token::RParen)?;
+ self.expect_token(&Token::RParen)?;
+
+ return Ok(Some(SqlOption::Union(tables)));
+ }
+ _ => {
+ return self.expected("Token::LParen", value)?;
+ }
+ }
+ }
+
+ // Key/Value parameter option
+ let key = if self.parse_keywords(&[Keyword::DEFAULT,
Keyword::CHARSET]) {
+ // [DEFAULT] CHARACTER SET [=] charset_name
+ Ident::new("DEFAULT CHARSET")
+ } else if self.parse_keywords(&[Keyword::DEFAULT, Keyword::CHARACTER,
Keyword::SET]) {
+ // [DEFAULT] CHARACTER SET [=] charset_name
+ Ident::new("DEFAULT CHARACTER SET")
Review Comment:
Grouped the branches by topic.
IMHO another `SqlOption` makes sense, in the same way `Expr::Substring`
supports both the shorthand flavor (SUBSTR)
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