DATACASS-685 - Upgrade to Coroutines 1.3.

Original pull request: #164.

spring-data-cassandra/src/main/kotlin/org/springframework/data/cassandra/core/ReactiveSelectOperationExtensions.kt

@@ -15,11 +15,11 @@
  */
 package org.springframework.data.cassandra.core
 
-import kotlinx.coroutines.FlowPreview
+import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.reactive.asFlow
 import kotlinx.coroutines.reactive.awaitFirstOrNull
 import kotlinx.coroutines.reactive.awaitSingle
-import kotlinx.coroutines.reactive.flow.asFlow
 import kotlin.reflect.KClass
 
 /**
@@ -114,12 +114,9 @@ suspend fun <T : Any> ReactiveSelectOperation.TerminatingSelect<T>.awaitExists()
 /**
  * Coroutines [Flow] variant of [ReactiveSelectOperation.TerminatingSelect.all].
  *
- * Backpressure is controlled by [batchSize] parameter that controls the size of in-flight elements
- * and [org.reactivestreams.Subscription.request] size.
- *
  * @author Sebastien Deleuze
  * @since 2.2
  */
-@FlowPreview
-fun <T : Any> ReactiveSelectOperation.TerminatingSelect<T>.flow(batchSize: Int = 1): Flow<T> =
-		all().asFlow(batchSize)
+@ExperimentalCoroutinesApi
+fun <T : Any> ReactiveSelectOperation.TerminatingSelect<T>.flow(): Flow<T> =
+		all().asFlow()

spring-data-cassandra/src/test/kotlin/org/springframework/data/cassandra/core/ReactiveSelectOperationExtensionsUnitTests.kt

@@ -18,7 +18,7 @@ package org.springframework.data.cassandra.core
 import io.mockk.every
 import io.mockk.mockk
 import io.mockk.verify
-import kotlinx.coroutines.FlowPreview
+import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.toList
 import kotlinx.coroutines.runBlocking
 import org.assertj.core.api.Assertions.assertThat
@@ -220,7 +220,7 @@ class ReactiveSelectOperationExtensionsUnitTests {
 	}
 
 	@Test // DATACASS-648
-	@FlowPreview
+	@ExperimentalCoroutinesApi
 	fun terminatingFindAllAsFlow() {
 
 		val spec = mockk<ReactiveSelectOperation.TerminatingSelect<String>>()