diff --git a/fips-pom.xml b/fips-pom.xml
index d61b0917..51a347a1 100644
--- a/fips-pom.xml
+++ b/fips-pom.xml
@@ -44,7 +44,6 @@
4.3.0
2.13.2
2.13.4.2
- 2.13.5
@@ -145,11 +144,6 @@
jackson-annotations
${jackson.version}
-
- com.fasterxml.jackson.module
- jackson-module-scala_2.12
- ${jackson.module.scala.version}
-
diff --git a/pom.xml b/pom.xml
index c8c3708c..54453597 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,7 +46,6 @@
4.3.0
2.13.2
2.13.4.2
- 2.13.5
@@ -133,11 +132,6 @@
jackson-annotations
${jackson.version}
-
- com.fasterxml.jackson.module
- jackson-module-scala_2.12
- ${jackson.module.scala.version}
-
diff --git a/src/main/scala/com/snowflake/snowpark/Session.scala b/src/main/scala/com/snowflake/snowpark/Session.scala
index 90f7b83e..1beac1c0 100644
--- a/src/main/scala/com/snowflake/snowpark/Session.scala
+++ b/src/main/scala/com/snowflake/snowpark/Session.scala
@@ -1,8 +1,5 @@
package com.snowflake.snowpark
-import com.fasterxml.jackson.databind.json.JsonMapper
-import com.fasterxml.jackson.module.scala.{ClassTagExtensions, DefaultScalaModule}
-
import java.io.{File, FileInputStream, FileNotFoundException}
import java.net.URI
import java.sql.{Connection, Date, Time, Timestamp}
@@ -29,7 +26,6 @@ import net.snowflake.client.jdbc.{SnowflakeConnectionV1, SnowflakeDriver, Snowfl
import scala.concurrent.{ExecutionContext, Future}
import scala.collection.JavaConverters._
import scala.reflect.runtime.universe.TypeTag
-import scala.util.Try
/**
*
@@ -65,11 +61,6 @@ import scala.util.Try
* @since 0.1.0
*/
class Session private (private[snowpark] val conn: ServerConnection) extends Logging {
- private val jsonMapper = JsonMapper
- .builder()
- .addModule(DefaultScalaModule)
- .build() :: ClassTagExtensions
-
private val STAGE_PREFIX = "@"
// URI and file name with md5
private val classpathURIs = new ConcurrentHashMap[URI, Option[String]]().asScala
@@ -397,7 +388,7 @@ class Session private (private[snowpark] val conn: ServerConnection) extends Log
* successful, or `None` otherwise.
*/
private def parseJsonString(jsonString: String): Option[Map[String, Any]] = {
- Try(jsonMapper.readValue[Map[String, Any]](jsonString)).toOption
+ Utils.jsonToMap(jsonString)
}
/**
@@ -408,7 +399,7 @@ class Session private (private[snowpark] val conn: ServerConnection) extends Log
* or `None` otherwise.
*/
private def toJsonString(map: Map[String, Any]): Option[String] = {
- Try(jsonMapper.writeValueAsString(map)).toOption
+ Utils.mapToJson(map)
}
/*
diff --git a/src/main/scala/com/snowflake/snowpark/internal/UDFClassPath.scala b/src/main/scala/com/snowflake/snowpark/internal/UDFClassPath.scala
index e6639441..498967ab 100644
--- a/src/main/scala/com/snowflake/snowpark/internal/UDFClassPath.scala
+++ b/src/main/scala/com/snowflake/snowpark/internal/UDFClassPath.scala
@@ -3,7 +3,6 @@ package com.snowflake.snowpark.internal
import com.fasterxml.jackson.annotation.JsonView
import com.fasterxml.jackson.core.TreeNode
import com.fasterxml.jackson.databind.JsonNode
-import com.fasterxml.jackson.module.scala.DefaultScalaModule
import java.io.File
import java.net.{URI, URLClassLoader}
@@ -27,8 +26,6 @@ object UDFClassPath extends Logging {
val jacksonDatabindClass: Class[JsonNode] = classOf[com.fasterxml.jackson.databind.JsonNode]
val jacksonCoreClass: Class[TreeNode] = classOf[com.fasterxml.jackson.core.TreeNode]
val jacksonAnnotationClass: Class[JsonView] = classOf[com.fasterxml.jackson.annotation.JsonView]
- val jacksonModuleScalaClass: Class[DefaultScalaModule] =
- classOf[com.fasterxml.jackson.module.scala.DefaultScalaModule]
val jacksonJarSeq = Seq(
RequiredLibrary(
getPathForClass(jacksonDatabindClass),
@@ -38,11 +35,7 @@ object UDFClassPath extends Logging {
RequiredLibrary(
getPathForClass(jacksonAnnotationClass),
"jackson-annotation",
- jacksonAnnotationClass),
- RequiredLibrary(
- getPathForClass(jacksonModuleScalaClass),
- "jackson-module-scala",
- jacksonModuleScalaClass))
+ jacksonAnnotationClass))
val openTelemetryApiClass: Class[Span] = classOf[io.opentelemetry.api.trace.Span]
val openTelemetryContextClass: Class[ImplicitContextKeyed] =
classOf[io.opentelemetry.context.ImplicitContextKeyed]
diff --git a/src/main/scala/com/snowflake/snowpark/internal/Utils.scala b/src/main/scala/com/snowflake/snowpark/internal/Utils.scala
index b59c8635..9fd603d6 100644
--- a/src/main/scala/com/snowflake/snowpark/internal/Utils.scala
+++ b/src/main/scala/com/snowflake/snowpark/internal/Utils.scala
@@ -1,5 +1,7 @@
package com.snowflake.snowpark.internal
+import com.fasterxml.jackson.databind.{JsonNode, ObjectMapper}
+import com.fasterxml.jackson.databind.node.JsonNodeType
import com.snowflake.snowpark.Column
import com.snowflake.snowpark.internal.analyzer.{
Attribute,
@@ -15,6 +17,7 @@ import java.util.Locale
import com.snowflake.snowpark.udtf.UDTF
import net.snowflake.client.jdbc.SnowflakeSQLException
+import scala.collection.JavaConverters.{asScalaIteratorConverter, mapAsScalaMapConverter}
import scala.collection.mutable
import scala.collection.mutable.ArrayBuffer
import scala.util.Random
@@ -447,4 +450,69 @@ object Utils extends Logging {
case _ => throw ErrorMessage.DF_JOIN_WITH_WRONG_ARGUMENT()
}
}
+
+ private val objectMapper = new ObjectMapper()
+
+ private[snowpark] def jsonToMap(jsonString: String): Option[Map[String, Any]] = {
+ try {
+ val node = objectMapper.readTree(jsonString)
+ assert(node.getNodeType == JsonNodeType.OBJECT)
+ Some(jsonToScala(node).asInstanceOf[Map[String, Any]])
+ } catch {
+ case ex: Exception =>
+ logError(ex.getMessage)
+ None
+ }
+ }
+
+ private def jsonToScala(node: JsonNode): Any = {
+ node.getNodeType match {
+ case JsonNodeType.STRING => node.asText()
+ case JsonNodeType.NULL => null
+ case JsonNodeType.OBJECT =>
+ node
+ .fields()
+ .asScala
+ .map(entry => {
+ entry.getKey -> jsonToScala(entry.getValue)
+ })
+ .toMap
+ case JsonNodeType.ARRAY =>
+ node.elements().asScala.map(entry => jsonToScala(entry)).toSeq
+ case JsonNodeType.BOOLEAN => node.asBoolean()
+ case JsonNodeType.NUMBER => node.numberValue()
+ case other =>
+ throw new UnsupportedOperationException(s"Unsupported Type: ${other.name()}")
+ }
+ }
+
+ private[snowpark] def mapToJson(map: Map[String, Any]): Option[String] = {
+ try {
+ Some(scalaToJson(map))
+ } catch {
+ case ex: Exception =>
+ logError(ex.getMessage)
+ None
+ }
+ }
+
+ private def scalaToJson(input: Any): String =
+ input match {
+ case null => "null"
+ case str: String => s""""$str""""
+ case _: Int | _: Short | _: Long | _: Byte | _: Double | _: Float | _: Boolean =>
+ input.toString
+ case map: Map[String, _] =>
+ map
+ .map {
+ case (key, value) => s"${scalaToJson(key)}:${scalaToJson(value)}"
+ }
+ .mkString("{", ",", "}")
+ case seq: Seq[_] => seq.map(scalaToJson).mkString("[", ",", "]")
+ case arr: Array[_] => scalaToJson(arr.toSeq)
+ case list: java.util.List[_] => scalaToJson(list.toArray)
+ case map: java.util.Map[String, _] => scalaToJson(map.asScala.toMap)
+ case _ =>
+ throw new UnsupportedOperationException(s"Unsupported Type: ${input.getClass.getName}")
+ }
}
diff --git a/src/test/scala/com/snowflake/snowpark/UtilsSuite.scala b/src/test/scala/com/snowflake/snowpark/UtilsSuite.scala
index 2067212f..14c26bc4 100644
--- a/src/test/scala/com/snowflake/snowpark/UtilsSuite.scala
+++ b/src/test/scala/com/snowflake/snowpark/UtilsSuite.scala
@@ -24,6 +24,7 @@ import java.lang.{
}
import net.snowflake.client.jdbc.SnowflakeSQLException
+import java.util
import scala.collection.mutable.ArrayBuffer
class UtilsSuite extends SNTestBase {
@@ -672,6 +673,58 @@ class UtilsSuite extends SNTestBase {
assert(Utils.quoteForOption("FALSE").equals("FALSE"))
assert(Utils.quoteForOption("abc").equals("'abc'"))
}
+
+ test("Scala and Json format transformation") {
+ val javaHashMap = new util.HashMap[String, String]() {
+ {
+ put("one", "1")
+ put("two", "2")
+ put("three", "3")
+ }
+ }
+ val map = Map(
+ "nullKey" -> null,
+ "integerKey" -> 42,
+ "shortKey" -> 123.toShort,
+ "longKey" -> 1234567890L,
+ "byteKey" -> 123.toByte,
+ "doubleKey" -> 3.1415926,
+ "floatKey" -> 3.14F,
+ "boolKey" -> false,
+ "javaListKey" -> new util.ArrayList[String](util.Arrays.asList("a", "b")),
+ "javaMapKey" -> javaHashMap,
+ "seqKey" -> Seq(1, 2, 3),
+ "arrayKey" -> Array(1, 2, 3),
+ "seqOfStringKey" -> Seq("1", "2", "3"),
+ "stringKey" -> "stringValue",
+ "nestedMap" -> Map("insideKey" -> "stringValue", "insideList" -> Seq(1, 2, 3)),
+ "nestedList" -> Seq(1, Map("nestedKey" -> "nestedValue"), Array(1, 2, 3)))
+ val jsonString = Utils.mapToJson(map)
+ val expected_string = "{" +
+ "\"floatKey\":3.14," +
+ "\"javaMapKey\":{" +
+ "\"one\":\"1\"," +
+ "\"two\":\"2\"," +
+ "\"three\":\"3\"}," +
+ "\"integerKey\":42," +
+ "\"nullKey\":null," +
+ "\"longKey\":1234567890," +
+ "\"byteKey\":123," +
+ "\"seqKey\":[1,2,3]," +
+ "\"nestedMap\":{\"insideKey\":\"stringValue\",\"insideList\":[1,2,3]}," +
+ "\"stringKey\":\"stringValue\"," +
+ "\"doubleKey\":3.1415926," +
+ "\"seqOfStringKey\":[\"1\",\"2\",\"3\"]," +
+ "\"nestedList\":[1,{\"nestedKey\":\"nestedValue\"},[1,2,3]]," +
+ "\"javaListKey\":[\"a\",\"b\"]," +
+ "\"arrayKey\":[1,2,3]," +
+ "\"boolKey\":false," +
+ "\"shortKey\":123}"
+ val readMap = Utils.jsonToMap(jsonString.getOrElse(""))
+ val transformedString = Utils.mapToJson(readMap.getOrElse(Map()))
+ assert(jsonString.getOrElse("").equals(expected_string))
+ assert(jsonString.equals(transformedString))
+ }
}
object LoggingTester extends Logging {