Specify recoverWithNull when reading JSON files

integration_tests/src/main/python/json_test.py

@@ -291,6 +291,43 @@ def test_basic_json_read(std_input_path, filename, schema, read_func, allow_non_
           "allowNumericLeadingZeros": allow_numeric_leading_zeros}),
         conf=updated_conf)
 
+@ignore_order
+@pytest.mark.parametrize('filename', [
+    'malformed1.ndjson',
+    'malformed2.ndjson',
+    'malformed3.ndjson',
+    'malformed4.ndjson'
+])
+@pytest.mark.parametrize('read_func', [read_json_df, read_json_sql])
+@pytest.mark.parametrize('schema', [_int_schema])
+@pytest.mark.parametrize('v1_enabled_list', ["", "json"])
+def test_read_invalid_json(spark_tmp_table_factory, std_input_path, read_func, filename, schema, v1_enabled_list):
+    conf = copy_and_update(_enable_all_types_conf, {'spark.sql.sources.useV1SourceList': v1_enabled_list})
+    assert_gpu_and_cpu_are_equal_collect(
+        read_func(std_input_path + '/' + filename,
+                  schema,
+                  spark_tmp_table_factory,
+                  {}),
+        conf=conf)
+
+@pytest.mark.parametrize('filename', [
+    'mixed-primitives.ndjson',
+    'mixed-primitives-nested.ndjson',
+    'simple-nested.ndjson',
+    pytest.param('mixed-nested.ndjson', marks=pytest.mark.xfail(reason='https://github.com/NVIDIA/spark-rapids/issues/9353'))
+])
+@pytest.mark.parametrize('read_func', [read_json_df, read_json_sql])
+@pytest.mark.parametrize('schema', [_int_schema])
+@pytest.mark.parametrize('v1_enabled_list', ["", "json"])
+def test_read_valid_json(spark_tmp_table_factory, std_input_path, read_func, filename, schema, v1_enabled_list):
+    conf = copy_and_update(_enable_all_types_conf, {'spark.sql.sources.useV1SourceList': v1_enabled_list})
+    assert_gpu_and_cpu_are_equal_collect(
+        read_func(std_input_path + '/' + filename,
+                  schema,
+                  spark_tmp_table_factory,
+                  {}),
+        conf=conf)
+
 @approximate_float
 @pytest.mark.parametrize('filename', [
     'dates.json',

integration_tests/src/test/resources/malformed1.ndjson

@@ -0,0 +1,8 @@
+{ "number": 1 }
+{ , }
+{ : 2 }
+{ "number": 2 }
+{ "number":  }
+not_json
+{ 4 }
+{ "number": 5 }

integration_tests/src/test/resources/malformed2.ndjson

@@ -0,0 +1,4 @@
+{ "number": 1 }
+{ "number": 2 }
+{ "number": 3
+{ "number": 4 }

integration_tests/src/test/resources/malformed3.ndjson

@@ -0,0 +1,4 @@
+{ "number": 1 }
+{ "number": 2 }
+{ "number": 3 } { "number": 4 }
+{ "number": 5 }

integration_tests/src/test/resources/malformed4.ndjson

@@ -0,0 +1,4 @@
+{ "number": 1 }
+{ "number": 2 }
+{ "number": 3 } x
+{ "number": 5 }

integration_tests/src/test/resources/mixed-nested.ndjson

@@ -0,0 +1,10 @@
+{ "var0": true, "var1": 123.45, "var2": [{ "var0": 123.45, "var1": "hello", "var2": 123.45 }, { "var0": null, "var1": "hello", "var2": null }, 123.45] }
+{ "var0": true, "var1": 123.45, "var2": [{ "var0": true, "var1": "hello", "var2": true }, "hello", true] }
+{ "var0": null, "var1": true, "var2": "hello" }
+{ "var0": "hello", "var1": null, "var2": [true, { "var0": true, "var1": "hello", "var2": null }, null] }
+{ "var0": [null, true, null], "var1": "hello", "var2": [[123.45, true, 123.45], { "var0": true, "var1": true, "var2": "hello" }, { "var0": null, "var1": 123.45, "var2": 123.45 }] }
+{ "var0": null, "var1": { "var0": [null, 123.45, true], "var1": "hello", "var2": "hello" }, "var2": 123.45 }
+{ "var0": null, "var1": { "var0": null, "var1": "hello", "var2": 123.45 }, "var2": 123.45 }
+{ "var0": true, "var1": true, "var2": [[123.45, null, 123.45], { "var0": true, "var1": null, "var2": 123.45 }, ["hello", true, "hello"]] }
+{ "var0": true, "var1": [{ "var0": true, "var1": "hello", "var2": null }, null, [true, null, null]], "var2": [[123.45, null, true], 123.45, { "var0": null, "var1": 123.45, "var2": "hello" }] }
+{ "var0": 123.45, "var1": "hello", "var2": 123.45 }

integration_tests/src/test/resources/mixed-primitives-nested.ndjson

@@ -0,0 +1,14 @@
+{ "a": 123.45, "b": { "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "b": "hello", "c": 123.45, "e": "hello" } }
+
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": "123.45", ",c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+
+{ "a": 123.45 }
+{ "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 } }
+{ "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": true }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }

integration_tests/src/test/resources/mixed-primitives.ndjson

@@ -0,0 +1,9 @@
+{ "var0": "hello", "var1": 3.141, "var2": true }
+ "var0": "hello", "var1": 3.141, "var2": true }
+{ "var0": "hello", "var1": true, "var2": "hello" }
+{ "var0": true, "var1": "hello",  "hello" }
+{ "var0": true, "var1": "hello", "var2": "hello" } { "var0": true, "var1": "hello", "var2": "hello" }
+{ "var0": true, "var1": "hello", "var2" }
+{ "var0": 123, "var1": true, "var2" true }
+{ "var0": 123, "var1": true "var2": true
+{ "var0": "hello", "var1": "hello", "var2": "hello" }

integration_tests/src/test/resources/simple-nested.ndjson

@@ -0,0 +1,10 @@
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }
+{ "a": 123.45, "b": { "a": "hello", "b": 123.45, "c": "hello", "d": 123.45 }, "c": { "a": 123.45, "b": "hello", "c": 123.45, "d": "hello" } }

sql-plugin/src/main/scala/org/apache/spark/sql/catalyst/json/rapids/GpuJsonScan.scala

@@ -267,7 +267,14 @@ object JsonPartitionReader {
       RmmRapidsRetryIterator.withRetryNoSplit(dataBufferer.getBufferAndRelease) { dataBuffer =>
         withResource(new NvtxWithMetrics(formatName + " decode",
           NvtxColor.DARK_GREEN, decodeTime)) { _ =>
-          Table.readJSON(cudfSchema, jsonOpts, dataBuffer, 0, dataSize)
+          try {
+            Table.readJSON(cudfSchema, jsonOpts, dataBuffer, 0, dataSize)
+          } catch {
+            case e: AssertionError if e.getMessage == "CudfColumns can't be null or empty" =>
+              // this happens when every row in a JSON file is invalid (or we are
+              // trying to read a non-JSON file format as JSON)
+              throw new IOException(s"Error when processing file [$partFile]", e)
+          }
         }
       }
     } catch {
@@ -291,7 +298,7 @@ class JsonPartitionReader(
     maxBytesPerChunk, execMetrics, HostLineBuffererFactory) {
 
   def buildJsonOptions(parsedOptions: JSONOptions): cudf.JSONOptions = {
-    val builder = cudf.JSONOptions.builder()
+    val builder = cudf.JSONOptions.builder().withRecoverWithNull(true)
     builder.build
   }