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Merge pull request #80 from benesch/between-expr

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Support nested expressions in BETWEEN
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Nickolay Ponomarev 2019-05-30 02:37:06 +03:00 • committed by GitHub
commit d80f9f3a7a
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2 changed files with 54 additions and 2 deletions
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7
src/sqlparser.rs
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@ -508,9 +508,12 @@ impl Parser {
/// Parses `BETWEEN <low> AND <high>`, assuming the `BETWEEN` keyword was already consumed
pub fn parse_between(&mut self, expr: ASTNode, negated: bool) -> Result<ASTNode, ParserError> {
let low = self.parse_prefix()?;
// Stop parsing subexpressions for <low> and <high> on tokens with
// precedence lower than that of `BETWEEN`, such as `AND`, `IS`, etc.
let prec = self.get_precedence(&Token::make_keyword("BETWEEN"))?;
let low = self.parse_subexpr(prec)?;
self.expect_keyword("AND")?;
let high = self.parse_prefix()?;
let high = self.parse_subexpr(prec)?;
Ok(ASTNode::SQLBetween {
expr: Box::new(expr),
negated,