#172 - Upgrade to Coroutines 1.3.0.

Original pull request: #173.

src/main/kotlin/org/springframework/data/r2dbc/core/RowsFetchSpecExtensions.kt

@@ -15,10 +15,10 @@
  */
 package org.springframework.data.r2dbc.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.flow.asFlow
 import org.springframework.dao.EmptyResultDataAccessException
 
 /**
@@ -58,10 +58,7 @@ suspend fun <T> RowsFetchSpec<T>.awaitFirstOrNull(): T? =
 /**
  * Coroutines [Flow] variant of [RowsFetchSpec.all].
  *
- * Backpressure is controlled by [batchSize] parameter that controls the size of in-flight elements
- * and [org.reactivestreams.Subscription.request] size.
- *
  * @author Sebastien Deleuze
  */
-@FlowPreview
-fun <T : Any> RowsFetchSpec<T>.flow(batchSize: Int = 1): Flow<T> = all().asFlow(batchSize)
+@ExperimentalCoroutinesApi
+fun <T : Any> RowsFetchSpec<T>.flow(): Flow<T> = all().asFlow()

src/test/kotlin/org/springframework/data/r2dbc/core/RowsFetchSpecExtensionsTests.kt

@@ -18,7 +18,7 @@ package org.springframework.data.r2dbc.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
@@ -157,7 +157,7 @@ class RowsFetchSpecExtensionsTests {
 	}
 
 	@Test // gh-91
-	@FlowPreview
+	@ExperimentalCoroutinesApi
 	fun allAsFlow() {
 
 		val spec = mockk<RowsFetchSpec<String>>()