Update generated sources with recent changes

Author: actions-user

core/generated-sources/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/schema.kt

@@ -2,8 +2,10 @@ package org.jetbrains.kotlinx.dataframe.api
 
 import org.jetbrains.kotlinx.dataframe.AnyFrame
 import org.jetbrains.kotlinx.dataframe.AnyRow
+import org.jetbrains.kotlinx.dataframe.DataFrame
 import org.jetbrains.kotlinx.dataframe.impl.owner
 import org.jetbrains.kotlinx.dataframe.impl.schema.extractSchema
+import org.jetbrains.kotlinx.dataframe.impl.schema.getSchema
 import org.jetbrains.kotlinx.dataframe.schema.DataFrameSchema
 
 // region DataRow
@@ -23,3 +25,6 @@ public fun AnyFrame.schema(): DataFrameSchema = extractSchema()
 public fun GroupBy<*, *>.schema(): DataFrameSchema = toDataFrame().schema()
 
 // endregion
+
+@Suppress("UnusedReceiverParameter")
+public inline fun <reified T> DataFrame<T>.compileTimeSchema(): DataFrameSchema = getSchema(T::class)

core/generated-sources/src/main/kotlin/org/jetbrains/kotlinx/dataframe/impl/schema/Utils.kt

@@ -96,6 +96,11 @@ internal fun AnyCol.extractSchema(): ColumnSchema = when (this) {
     else -> throw RuntimeException("Unknown column type: $this")
 }
 
+@PublishedApi
+internal fun getSchema(kClass: KClass<*>): DataFrameSchema {
+    return MarkersExtractor.get(kClass).schema
+}
+
 internal fun ColumnSchema.createEmptyColumn(name: String): AnyCol = when (this) {
     is ColumnSchema.Value -> DataColumn.createValueColumn<Any?>(name, emptyList(), type)
     is ColumnSchema.Group -> DataColumn.createColumnGroup(name, schema.createEmptyDataFrame()) as AnyCol

core/generated-sources/src/test/kotlin/org/jetbrains/kotlinx/dataframe/api/toDataFrame.kt

@@ -1,5 +1,6 @@
 package org.jetbrains.kotlinx.dataframe.api
 
+import io.kotest.assertions.throwables.shouldNotThrowAny
 import io.kotest.matchers.shouldBe
 import org.jetbrains.kotlinx.dataframe.DataColumn
 import org.jetbrains.kotlinx.dataframe.DataFrame
@@ -397,4 +398,30 @@ class CreateDataFrameTests {
             DataColumn.createValueColumn("c", listOf(arrayOf(5, null)), typeOf<Array<Int?>>()),
         ).schema()
     }
+
+    @DataSchema
+    data class Person(val firstName: String, val lastName: String, val age: Int, val city: String?) : DataRowSchema
+
+    @DataSchema
+    data class Group(val id: String, val participants: List<Person>) : DataRowSchema
+
+    @Test
+    fun `deeply convert data schema and list of data schema`() {
+        val participants1 = listOf(
+            Person("Alice", "Cooper", 15, "London"),
+            Person("Bob", "Dylan", 45, "Dubai"),
+        )
+        val participants2 = listOf(
+            Person("Charlie", "Daniels", 20, "Moscow"),
+            Person("Charlie", "Chaplin", 40, "Milan"),
+        )
+        val df = dataFrameOf(
+            Group("1", participants1),
+            Group("2", participants2),
+        )
+        shouldNotThrowAny {
+            df.participants[0].firstName
+            df.participants[0].city
+        }
+    }
 }