refactor: add paren to the neg op

Author: chelsea-lin

bigframes/core/compile/sqlglot/expressions/numeric_ops.py

@@ -189,7 +189,7 @@ def _(expr: TypedExpr) -> sge.Expression:
 
 @register_unary_op(ops.neg_op)
 def _(expr: TypedExpr) -> sge.Expression:
-    return sge.Neg(this=expr.expr)
+    return sge.Neg(this=sge.paren(expr.expr))
 
 
 @register_unary_op(ops.pos_op)

tests/unit/core/compile/sqlglot/expressions/snapshots/test_numeric_ops/test_mod_numeric/out.sql

@@ -38,23 +38,43 @@ WITH `bfcte_0` AS (
     `bfcol_8` AS `bfcol_16`,
     `bfcol_9` AS `bfcol_17`,
     CASE
-      WHEN -`bfcol_7` = CAST(0 AS INT64)
+      WHEN -(
+        `bfcol_7`
+      ) = CAST(0 AS INT64)
       THEN CAST(0 AS INT64) * `bfcol_7`
-      WHEN -`bfcol_7` < CAST(0 AS INT64)
+      WHEN -(
+        `bfcol_7`
+      ) < CAST(0 AS INT64)
       AND (
-        MOD(`bfcol_7`, -`bfcol_7`)
+        MOD(`bfcol_7`, -(
+          `bfcol_7`
+        ))
       ) > CAST(0 AS INT64)
-      THEN -`bfcol_7` + (
-        MOD(`bfcol_7`, -`bfcol_7`)
+      THEN -(
+        `bfcol_7`
+      ) + (
+        MOD(`bfcol_7`, -(
+          `bfcol_7`
+        ))
       )
-      WHEN -`bfcol_7` > CAST(0 AS INT64)
+      WHEN -(
+        `bfcol_7`
+      ) > CAST(0 AS INT64)
       AND (
-        MOD(`bfcol_7`, -`bfcol_7`)
+        MOD(`bfcol_7`, -(
+          `bfcol_7`
+        ))
       ) < CAST(0 AS INT64)
-      THEN -`bfcol_7` + (
-        MOD(`bfcol_7`, -`bfcol_7`)
+      THEN -(
+        `bfcol_7`
+      ) + (
+        MOD(`bfcol_7`, -(
+          `bfcol_7`
+        ))
       )
-      ELSE MOD(`bfcol_7`, -`bfcol_7`)
+      ELSE MOD(`bfcol_7`, -(
+        `bfcol_7`
+      ))
     END AS `bfcol_18`
   FROM `bfcte_1`
 ), `bfcte_3` AS (
@@ -152,23 +172,43 @@ WITH `bfcte_0` AS (
     `bfcol_56` AS `bfcol_72`,
     `bfcol_57` AS `bfcol_73`,
     CASE
-      WHEN CAST(-`bfcol_52` AS BIGNUMERIC) = CAST(0 AS INT64)
+      WHEN CAST(-(
+        `bfcol_52`
+      ) AS BIGNUMERIC) = CAST(0 AS INT64)
       THEN CAST('NaN' AS FLOAT64) * CAST(`bfcol_52` AS BIGNUMERIC)
-      WHEN CAST(-`bfcol_52` AS BIGNUMERIC) < CAST(0 AS INT64)
+      WHEN CAST(-(
+        `bfcol_52`
+      ) AS BIGNUMERIC) < CAST(0 AS INT64)
       AND (
-        MOD(CAST(`bfcol_52` AS BIGNUMERIC), CAST(-`bfcol_52` AS BIGNUMERIC))
+        MOD(CAST(`bfcol_52` AS BIGNUMERIC), CAST(-(
+          `bfcol_52`
+        ) AS BIGNUMERIC))
       ) > CAST(0 AS INT64)
-      THEN CAST(-`bfcol_52` AS BIGNUMERIC) + (
-        MOD(CAST(`bfcol_52` AS BIGNUMERIC), CAST(-`bfcol_52` AS BIGNUMERIC))
+      THEN CAST(-(
+        `bfcol_52`
+      ) AS BIGNUMERIC) + (
+        MOD(CAST(`bfcol_52` AS BIGNUMERIC), CAST(-(
+          `bfcol_52`
+        ) AS BIGNUMERIC))
       )
-      WHEN CAST(-`bfcol_52` AS BIGNUMERIC) > CAST(0 AS INT64)
+      WHEN CAST(-(
+        `bfcol_52`
+      ) AS BIGNUMERIC) > CAST(0 AS INT64)
       AND (
-        MOD(CAST(`bfcol_52` AS BIGNUMERIC), CAST(-`bfcol_52` AS BIGNUMERIC))
+        MOD(CAST(`bfcol_52` AS BIGNUMERIC), CAST(-(
+          `bfcol_52`
+        ) AS BIGNUMERIC))
       ) < CAST(0 AS INT64)
-      THEN CAST(-`bfcol_52` AS BIGNUMERIC) + (
-        MOD(CAST(`bfcol_52` AS BIGNUMERIC), CAST(-`bfcol_52` AS BIGNUMERIC))
+      THEN CAST(-(
+        `bfcol_52`
+      ) AS BIGNUMERIC) + (
+        MOD(CAST(`bfcol_52` AS BIGNUMERIC), CAST(-(
+          `bfcol_52`
+        ) AS BIGNUMERIC))
       )
-      ELSE MOD(CAST(`bfcol_52` AS BIGNUMERIC), CAST(-`bfcol_52` AS BIGNUMERIC))
+      ELSE MOD(CAST(`bfcol_52` AS BIGNUMERIC), CAST(-(
+        `bfcol_52`
+      ) AS BIGNUMERIC))
     END AS `bfcol_74`
   FROM `bfcte_5`
 ), `bfcte_7` AS (

tests/unit/core/compile/sqlglot/expressions/snapshots/test_numeric_ops/test_neg/out.sql

@@ -5,7 +5,9 @@ WITH `bfcte_0` AS (
 ), `bfcte_1` AS (
   SELECT
     *,
-    -`bfcol_0` AS `bfcol_1`
+    -(
+      `bfcol_0`
+    ) AS `bfcol_1`
   FROM `bfcte_0`
 )
 SELECT