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Simplify parse_function()

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This commit is contained in:
Nickolay Ponomarev 2019-02-11 03:08:50 +03:00
parent d9591cd999
commit 451513db5b
1 changed files with 5 additions and 7 deletions
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12
src/sqlparser.rs
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@ -239,16 +239,14 @@ impl Parser {
pub fn parse_function(&mut self, id: SQLIdent) -> Result<ASTNode, ParserError> {
self.expect_token(&Token::LParen)?;
if self.consume_token(&Token::RParen) {
Ok(ASTNode::SQLFunction {
id: id,
args: vec![],
})
let args = if self.consume_token(&Token::RParen) {
vec![]
} else {
let args = self.parse_expr_list()?;
self.expect_token(&Token::RParen)?;
Ok(ASTNode::SQLFunction { id, args })
}
args
};
Ok(ASTNode::SQLFunction { id, args })
}
pub fn parse_case_expression(&mut self) -> Result<ASTNode, ParserError> {