Fix!: dont wrap macro vars and str replacements in intervals (#4073)

Author: georgesittas

sqlmesh/core/dialect.py

@@ -1035,6 +1035,12 @@ def extend_sqlglot() -> None:
                 MacroDef,
             )
 
+        generator.UNWRAPPED_INTERVAL_VALUES = (
+            *generator.UNWRAPPED_INTERVAL_VALUES,
+            MacroStrReplace,
+            MacroVar,
+        )
+
     _override(Parser, _parse_select)
     _override(Parser, _parse_statement)
     _override(Parser, _parse_join)

tests/core/test_dialect.py

@@ -260,6 +260,8 @@ def test_format_model_expressions():
 
 def test_macro_format():
     assert parse_one("@EACH(ARRAY(1,2), x -> x)").sql() == "@EACH(ARRAY(1, 2), x -> x)"
+    assert parse_one("INTERVAL @x DAY").sql() == "INTERVAL @x DAY"
+    assert parse_one("INTERVAL @'@{bar}' DAY").sql() == "INTERVAL @'@{bar}' DAY"
 
 
 def test_format_body_macros():