Fix(redshift): treat single quote as an escape character (#2365)

tobymao · Oct 3, 2023 · a270c15 · a270c15
1 parent 5b0df93
commit a270c15
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/sqlglot/dialects/redshift.py b/sqlglot/dialects/redshift.py
@@ -83,7 +83,7 @@ def _parse_convert(self, strict: bool) -> t.Optional[exp.Expression]:
     class Tokenizer(Postgres.Tokenizer):
         BIT_STRINGS = []
         HEX_STRINGS = []
-        STRING_ESCAPES = ["\\"]
+        STRING_ESCAPES = ["\\", "'"]
 
         KEYWORDS = {
             **Postgres.Tokenizer.KEYWORDS,

diff --git a/tests/dialects/test_redshift.py b/tests/dialects/test_redshift.py
@@ -6,6 +6,11 @@ class TestRedshift(Validator):
     dialect = "redshift"
 
     def test_redshift(self):
+        self.validate_identity(
+            "SELECT 'a''b'",
+            "SELECT 'a\\'b'",
+        )
+
         self.validate_all(
             "x ~* 'pat'",
             write={