update

src/dialect/redshift.rs

@@ -41,7 +41,11 @@ impl Dialect for RedshiftSqlDialect {
     /// treating them as json path. If there is identifier then we assume
     /// there is no json path.
     fn is_proper_identifier_inside_quotes(&self, mut chars: Peekable<Chars<'_>>) -> bool {
-        // PartiQL (used as json path query language in Redshift) uses square bracket as a start character and a quote is a beginning of quoted identifier
+        // PartiQL (used as json path query language in Redshift) uses square bracket as
+        // a start character and a quote is a beginning of quoted identifier.
+        // Skipping analyzing token such as `"a"` and analyze only token that
+        // can be part of json path potentially.
+        // For ex., `[0]`, `['a']` (seems part of json path) or `["a"]` (normal quoted identifier)
         if let Some(quote_start) = chars.peek() {
             if *quote_start == '"' {
                 return true;
@@ -52,7 +56,8 @@ impl Dialect for RedshiftSqlDialect {
         if let Some(&ch) = not_white_chars.peek() {
             // PartiQL uses single quote as starting identification inside a quote
             // It is a normal identifier if it has no single quote at the beginning.
-            // Additionally square bracket can contain quoted identifier.
+            // Square bracket can contain quoted identifier.
+            // For ex., `["a"]`, but this is not a part of json path, and it is a normal quoted identifier.
             return ch == '"' || self.is_identifier_start(ch);
         }
         false