Fix: add exp.Neg to UNWRAPPED_INTERVAL_VALUES (#1662)

tobymao · May 19, 2023 · 2cefcaa · 2cefcaa
1 parent e7f6455
commit 2cefcaa
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diff --git a/sqlglot/generator.py b/sqlglot/generator.py
@@ -232,7 +232,7 @@ class Generator:
 
     RESERVED_KEYWORDS: t.Set[str] = set()
     WITH_SEPARATED_COMMENTS = (exp.Select, exp.From, exp.Where, exp.With)
-    UNWRAPPED_INTERVAL_VALUES = (exp.Literal, exp.Paren, exp.Column)
+    UNWRAPPED_INTERVAL_VALUES = (exp.Column, exp.Literal, exp.Neg, exp.Paren)
 
     SENTINEL_LINE_BREAK = "__SQLGLOT__LB__"
 

diff --git a/tests/dialects/test_spark.py b/tests/dialects/test_spark.py
@@ -214,6 +214,7 @@ def test_hint(self):
         )
 
     def test_spark(self):
+        self.validate_identity("INTERVAL -86 days")
         self.validate_identity("SELECT UNIX_TIMESTAMP()")
         self.validate_identity("TRIM('    SparkSQL   ')")
         self.validate_identity("TRIM(BOTH 'SL' FROM 'SSparkSQLS')")