voonhous commented on code in PR #19836:
URL: https://github.com/apache/hudi/pull/19836#discussion_r3948180313


##########
hudi-spark-datasource/hudi-spark/src/test/scala/org/apache/spark/sql/hudi/procedure/TestHoodieProcedureFilterUtils.scala:
##########
@@ -111,13 +102,13 @@ class TestHoodieProcedureFilterUtils extends 
HoodieSparkProcedureTestBase {
     assertResult(rows)(keep(rows, "f > 1.0f", schema))
     assertResult(rows)(keep(rows, "dec > 1.00", schema))
 
-    // Mismatched literal types no-match even though the values would satisfy 
the predicate.
-    assertResult(Seq.empty)(keep(rows, "sh = 3", schema))
-    assertResult(Seq.empty)(keep(rows, "by = 4", schema))
-    assertResult(Seq.empty)(keep(rows, "f > 1.0d", schema))
-    assertResult(Seq.empty)(keep(rows, "dec > 1", schema))
-    // Same gap for a double column: a plain 15.0 parses as decimal, not 
double.
-    assertResult(Seq.empty)(keep(scalarRows, "price > 15.0", scalarSchema))
+    // Mismatched numeric types are widened to Spark's common type.
+    assertResult(rows)(keep(rows, "sh = 3", schema))

Review Comment:
   Fixed: `rows` has a second, non-matching row, so a coercion that matches 
everything now fails. Added `3 = sh` and `by < 300`.
   



##########
hudi-spark-datasource/hudi-spark/src/test/scala/org/apache/spark/sql/hudi/procedure/TestHoodieProcedureFilterUtils.scala:
##########
@@ -111,13 +102,13 @@ class TestHoodieProcedureFilterUtils extends 
HoodieSparkProcedureTestBase {
     assertResult(rows)(keep(rows, "f > 1.0f", schema))
     assertResult(rows)(keep(rows, "dec > 1.00", schema))
 
-    // Mismatched literal types no-match even though the values would satisfy 
the predicate.
-    assertResult(Seq.empty)(keep(rows, "sh = 3", schema))
-    assertResult(Seq.empty)(keep(rows, "by = 4", schema))
-    assertResult(Seq.empty)(keep(rows, "f > 1.0d", schema))
-    assertResult(Seq.empty)(keep(rows, "dec > 1", schema))
-    // Same gap for a double column: a plain 15.0 parses as decimal, not 
double.
-    assertResult(Seq.empty)(keep(scalarRows, "price > 15.0", scalarSchema))
+    // Mismatched numeric types are widened to Spark's common type.
+    assertResult(rows)(keep(rows, "sh = 3", schema))
+    assertResult(rows)(keep(rows, "by = 4", schema))
+    assertResult(rows)(keep(rows, "f > 1.0d", schema))
+    assertResult(rows)(keep(rows, "dec > 1", schema))
+    // A plain 15.0 decimal literal is coerced with the double column.

Review Comment:
   Done. Both comments reworded, duplicate `price > 15.0d` assertion dropped.
   



##########
hudi-spark-datasource/hudi-spark/src/test/scala/org/apache/spark/sql/hudi/procedure/TestHoodieProcedureFilterUtils.scala:
##########
@@ -111,13 +102,13 @@ class TestHoodieProcedureFilterUtils extends 
HoodieSparkProcedureTestBase {
     assertResult(rows)(keep(rows, "f > 1.0f", schema))
     assertResult(rows)(keep(rows, "dec > 1.00", schema))
 
-    // Mismatched literal types no-match even though the values would satisfy 
the predicate.
-    assertResult(Seq.empty)(keep(rows, "sh = 3", schema))
-    assertResult(Seq.empty)(keep(rows, "by = 4", schema))
-    assertResult(Seq.empty)(keep(rows, "f > 1.0d", schema))
-    assertResult(Seq.empty)(keep(rows, "dec > 1", schema))
-    // Same gap for a double column: a plain 15.0 parses as decimal, not 
double.
-    assertResult(Seq.empty)(keep(scalarRows, "price > 15.0", scalarSchema))
+    // Mismatched numeric types are widened to Spark's common type.
+    assertResult(rows)(keep(rows, "sh = 3", schema))
+    assertResult(rows)(keep(rows, "by = 4", schema))
+    assertResult(rows)(keep(rows, "f > 1.0d", schema))
+    assertResult(rows)(keep(rows, "dec > 1", schema))
+    // A plain 15.0 decimal literal is coerced with the double column.
+    assertResult(Seq(scalarRows(1)))(keep(scalarRows, "price > 15.0", 
scalarSchema))

Review Comment:
   Fixed: `TestFsViewProcedure` calls `show_fsview_all(filter => 
'data_file_size > 0')` and the reversed `'0 < data_file_size'`. The reversed 
form returns 0 rows on master, so the reported path is covered end to end.
   



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