@@ -971,10 +971,7 @@ impl<'a> Tokenizer<'a> {
971971 match chars. peek ( ) {
972972 Some ( '\'' ) => {
973973 // N'...' - a <national character string literal>
974- let backslash_escape =
975- self . dialect . supports_string_literal_backslash_escape ( ) ;
976- let s =
977- self . tokenize_single_quoted_string ( chars, '\'' , backslash_escape) ?;
974+ let s = self . tokenize_single_quoted_string ( chars, '\'' , true ) ?;
978975 Ok ( Some ( Token :: NationalStringLiteral ( s) ) )
979976 }
980977 _ => {
@@ -2158,7 +2155,6 @@ mod tests {
21582155 use crate :: dialect:: {
21592156 BigQueryDialect , ClickHouseDialect , HiveDialect , MsSqlDialect , MySqlDialect , SQLiteDialect ,
21602157 } ;
2161- use crate :: test_utils:: all_dialects_where;
21622158 use core:: fmt:: Debug ;
21632159
21642160 #[ test]
@@ -3547,30 +3543,4 @@ mod tests {
35473543 ] ;
35483544 compare ( expected, tokens) ;
35493545 }
3550-
3551- #[ test]
3552- fn test_national_strings_backslash_escape_not_supported ( ) {
3553- all_dialects_where ( |dialect| !dialect. supports_string_literal_backslash_escape ( ) )
3554- . tokenizes_to (
3555- "select n'''''\\ '" ,
3556- vec ! [
3557- Token :: make_keyword( "select" ) ,
3558- Token :: Whitespace ( Whitespace :: Space ) ,
3559- Token :: NationalStringLiteral ( "''\\ " . to_string( ) ) ,
3560- ] ,
3561- ) ;
3562- }
3563-
3564- #[ test]
3565- fn test_national_strings_backslash_escape_supported ( ) {
3566- all_dialects_where ( |dialect| dialect. supports_string_literal_backslash_escape ( ) )
3567- . tokenizes_to (
3568- "select n'''''\\ ''" ,
3569- vec ! [
3570- Token :: make_keyword( "select" ) ,
3571- Token :: Whitespace ( Whitespace :: Space ) ,
3572- Token :: NationalStringLiteral ( "'''" . to_string( ) ) ,
3573- ] ,
3574- ) ;
3575- }
35763546}
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