Fix decimal parsing (#4838)

core/src/syn/lexer/compound/number.rs

@@ -82,9 +82,16 @@ pub fn numeric(lexer: &mut Lexer, start: Token) -> Result<Numeric, SyntaxError>
 	match start.kind {
 		t!("-") | t!("+") => number(lexer, start).map(Numeric::Number),
 		TokenKind::Digits => match lexer.reader.peek() {
-			Some(b'n' | b'm' | b's' | b'h' | b'y' | b'd' | b'w') => {
+			Some(b'n' | b'm' | b's' | b'h' | b'y' | b'w') => {
 				duration(lexer, start).map(Numeric::Duration)
 			}
+			Some(b'd') => {
+				if lexer.reader.peek1() == Some(b'e') {
+					number(lexer, start).map(Numeric::Number)
+				} else {
+					duration(lexer, start).map(Numeric::Duration)
+				}
+			}
 			Some(x) if !x.is_ascii() => duration(lexer, start).map(Numeric::Duration),
 			_ => number(lexer, start).map(Numeric::Number),
 		},

core/src/syn/parser/test/mod.rs

@@ -9,6 +9,11 @@ mod stmt;
 mod streaming;
 mod value;
 
+#[test]
+fn parse_large_test_file() {
+	test_parse!(parse_query, include_str!("../../../../test.surql")).unwrap();
+}
+
 #[test]
 fn multiple_semicolons() {
 	let res = test_parse!(parse_query, r#";;"#).unwrap();

core/src/syn/parser/test/value.rs

@@ -1,6 +1,7 @@
 use std::collections::BTreeMap;
 
 use reblessive::Stack;
+use rust_decimal::Decimal;
 
 use crate::{
 	sql::{
@@ -156,6 +157,12 @@ fn parse_i64() {
 	assert_eq!(res, Value::Number(Number::Int(i64::MAX)));
 }
 
+#[test]
+fn parse_decimal() {
+	let res = test_parse!(parse_value_field, r#" 0dec "#).unwrap();
+	assert_eq!(res, Value::Number(Number::Decimal(Decimal::ZERO)));
+}
+
 #[test]
 fn constant_lowercase() {
 	let out = test_parse!(parse_value_field, r#" math::pi "#).unwrap();