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Support National string literal with lower case n #612

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merged 2 commits into from Sep 27, 2022
Merged

Support National string literal with lower case n #612

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44e485d
National string literal with lower case n
Sep 12, 2022
fd622c1
Corrected DB name
Sep 13, 2022
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5 changes: 3 additions & 2 deletions src/tokenizer.rs
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Expand Up @@ -387,7 +387,8 @@ impl<'a> Tokenizer<'a> {
}
Ok(Some(Token::Whitespace(Whitespace::Newline)))
}
'N' => {
// Redshift uses lower case n for national string literal
n @ 'N' | n @ 'n' => {
chars.next(); // consume, to check the next char
match chars.peek() {
Some('\'') => {
Expand All @@ -397,7 +398,7 @@ impl<'a> Tokenizer<'a> {
}
_ => {
// regular identifier starting with an "N"
let s = self.tokenize_word('N', chars);
let s = self.tokenize_word(n, chars);
Ok(Some(Token::make_word(&s, None)))
}
}
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1 change: 1 addition & 0 deletions tests/sqlparser_common.rs
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Expand Up @@ -2812,6 +2812,7 @@ fn parse_literal_string() {
);

one_statement_parses_to("SELECT x'deadBEEF'", "SELECT X'deadBEEF'");
one_statement_parses_to("SELECT n'national string'", "SELECT N'national string'");
}

#[test]
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