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Add Redshift dialect, handle square brackets properly (#471)

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* Redshift square bracket handling

We need to detect `[` or `"` for Redshift quotes around indentifier and at the same time exclude
treating JSON paths as indentifer

* RedshiftSqlDialect documentation update

Co-authored-by: Andrew Lamb <andrew@nerdnetworks.org>

* Renamed _chars to chars

* Fixed warnings

* Missing license

Co-authored-by: Maciej Skrzypkowski <maciej.skrzypkowski@satoricyber.com>
Co-authored-by: Andrew Lamb <andrew@nerdnetworks.org>
This commit is contained in:
Maciej Skrzypkowski 2022-05-04 17:11:00 +02:00 • committed by GitHub
parent a9d7f7af1f
commit 7fc6361fe8
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8 changed files with 173 additions and 3 deletions
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7
src/tokenizer.rs
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@ -431,7 +431,12 @@ impl<'a> Tokenizer<'a> {
Ok(Some(Token::SingleQuotedString(s)))
}
// delimited (quoted) identifier
quote_start if self.dialect.is_delimited_identifier_start(quote_start) => {
quote_start
if self.dialect.is_delimited_identifier_start(ch)
&& self
.dialect
.is_proper_identifier_inside_quotes(chars.clone()) =>
{
chars.next(); // consume the opening quote
let quote_end = Word::matching_end_quote(quote_start);
let (s, last_char) = parse_quoted_ident(chars, quote_end);