diff --git a/vitrivr-engine-core/src/main/kotlin/org/vitrivr/engine/core/config/schema/SchemaConfig.kt b/vitrivr-engine-core/src/main/kotlin/org/vitrivr/engine/core/config/schema/SchemaConfig.kt
index 0649b482..c8530ec4 100644
--- a/vitrivr-engine-core/src/main/kotlin/org/vitrivr/engine/core/config/schema/SchemaConfig.kt
+++ b/vitrivr-engine-core/src/main/kotlin/org/vitrivr/engine/core/config/schema/SchemaConfig.kt
@@ -49,7 +49,6 @@ data class SchemaConfig(
 ) {
 
     companion object {
-
         /**
          * Tries to load a [SchemaConfig] from the resources.
          *
diff --git a/vitrivr-engine-core/src/testFixtures/kotlin/org/vitrivr/engine/core/database/AbstractDatabaseTest.kt b/vitrivr-engine-core/src/testFixtures/kotlin/org/vitrivr/engine/core/database/AbstractDatabaseTest.kt
index 2952a11a..c159a04b 100644
--- a/vitrivr-engine-core/src/testFixtures/kotlin/org/vitrivr/engine/core/database/AbstractDatabaseTest.kt
+++ b/vitrivr-engine-core/src/testFixtures/kotlin/org/vitrivr/engine/core/database/AbstractDatabaseTest.kt
@@ -21,6 +21,7 @@ abstract class AbstractDatabaseTest(schemaPath: String) {
     init {
         /* Loads schema. */
         val schema = SchemaConfig.loadFromResource(schemaPath)
+        schema.name = SCHEMA_NAME
         this.manager.load(schema)
     }
 
diff --git a/vitrivr-engine-core/src/testFixtures/kotlin/org/vitrivr/engine/core/database/descriptor/vector/AbstractFloatVectorDescriptorReaderTest.kt b/vitrivr-engine-core/src/testFixtures/kotlin/org/vitrivr/engine/core/database/descriptor/vector/AbstractFloatVectorDescriptorReaderTest.kt
index 5a3505a0..67349e81 100644
--- a/vitrivr-engine-core/src/testFixtures/kotlin/org/vitrivr/engine/core/database/descriptor/vector/AbstractFloatVectorDescriptorReaderTest.kt
+++ b/vitrivr-engine-core/src/testFixtures/kotlin/org/vitrivr/engine/core/database/descriptor/vector/AbstractFloatVectorDescriptorReaderTest.kt
@@ -32,6 +32,41 @@ abstract class AbstractFloatVectorDescriptorReaderTest(schemaPath: String) : Abs
     /** The [Schema.Field] used for this [DescriptorInitializerTest]. */
     private val field: Schema.Field<*, FloatVectorDescriptor> = this.testSchema["averagecolor"]!! as Schema.Field<*, FloatVectorDescriptor>
 
+    /**
+     * Tests [VectorDescriptorReader.getAll] method.
+     */
+    @Test
+    fun testReadAll() {
+        val writer = this.testConnection.getDescriptorWriter(this.field)
+        val reader = this.testConnection.getDescriptorReader(this.field)
+        val random = SplittableRandom()
+
+        /* Generate and store test data. */
+        val descriptors = this.initialize(writer, random)
+        reader.getAll().forEachIndexed { index, floatVectorDescriptor ->
+            Assertions.assertEquals(descriptors[index].id, floatVectorDescriptor.id)
+            Assertions.assertEquals(descriptors[index].retrievableId, floatVectorDescriptor.retrievableId)
+            Assertions.assertArrayEquals(descriptors[index].vector.value, floatVectorDescriptor.vector.value)
+        }
+    }
+
+    /**
+     * Tests [VectorDescriptorReader.getAll] (with parameters) method.
+     */
+    @Test
+    fun testGetAll() {
+        val writer = this.testConnection.getDescriptorWriter(this.field)
+        val reader = this.testConnection.getDescriptorReader(this.field)
+        val random = SplittableRandom()
+
+        /* Generate and store test data. */
+        val descriptors = this.initialize(writer, random)
+        val selection = descriptors.shuffled().take(100).map { it.id }
+        reader.getAll(selection).forEach{ floatVectorDescriptor ->
+            Assertions.assertTrue(selection.contains(floatVectorDescriptor.id))
+        }
+    }
+
     /**
      * Tests [VectorDescriptorReader.queryAndJoin] method.
      */
diff --git a/vitrivr-engine-module-pgvector/src/main/kotlin/org/vitrivr/engine/database/pgvector/descriptor/AbstractDescriptorReader.kt b/vitrivr-engine-module-pgvector/src/main/kotlin/org/vitrivr/engine/database/pgvector/descriptor/AbstractDescriptorReader.kt
index 90d0ec1d..5a7beac7 100644
--- a/vitrivr-engine-module-pgvector/src/main/kotlin/org/vitrivr/engine/database/pgvector/descriptor/AbstractDescriptorReader.kt
+++ b/vitrivr-engine-module-pgvector/src/main/kotlin/org/vitrivr/engine/database/pgvector/descriptor/AbstractDescriptorReader.kt
@@ -56,22 +56,18 @@ abstract class AbstractDescriptorReader<D : Descriptor>(final override val field
      * @param retrievableId The [RetrievableId] to search for.
      * @return [Sequence] of [Descriptor]  of type [D]
      */
-    override fun getForRetrievable(retrievableId: RetrievableId): Sequence<D> {
+    override fun getForRetrievable(retrievableId: RetrievableId): Sequence<D> = sequence {
         try {
-            this.connection.jdbc.prepareStatement("SELECT * FROM $tableName WHERE $RETRIEVABLE_ID_COLUMN_NAME = ?").use { stmt ->
+            this@AbstractDescriptorReader.connection.jdbc.prepareStatement("SELECT * FROM $tableName WHERE $RETRIEVABLE_ID_COLUMN_NAME = ?").use { stmt ->
                 stmt.setObject(1, retrievableId)
-                val result = stmt.executeQuery()
-                return sequence {
-                    result.use {
-                        while (result.next()) {
-                            yield(this@AbstractDescriptorReader.rowToDescriptor(result))
-                        }
+                val result = stmt.executeQuery().use { result ->
+                    while (result.next()) {
+                        yield(this@AbstractDescriptorReader.rowToDescriptor(result))
                     }
                 }
             }
         } catch (e: Exception) {
             LOGGER.error(e) { "Failed to fetch descriptor for retrievable $retrievableId from '$tableName' due to SQL error." }
-            return emptySequence()
         }
     }
 
@@ -101,21 +97,17 @@ abstract class AbstractDescriptorReader<D : Descriptor>(final override val field
      *
      * @return [Sequence] of all [Descriptor]s.
      */
-    override fun getAll(): Sequence<D> {
+    override fun getAll(): Sequence<D> = sequence {
         try {
-            this.connection.jdbc.prepareStatement("SELECT * FROM $tableName").use { stmt ->
-                val result = stmt.executeQuery()
-                return sequence {
-                    result.use {
-                        while (result.next()) {
-                            yield(this@AbstractDescriptorReader.rowToDescriptor(result))
-                        }
+            this@AbstractDescriptorReader.connection.jdbc.prepareStatement("SELECT * FROM $tableName").use { stmt ->
+                stmt.executeQuery().use { result ->
+                    while (result.next()) {
+                        yield(this@AbstractDescriptorReader.rowToDescriptor(result))
                     }
                 }
             }
-        } catch (e: Exception) {
+        } catch (e: Throwable) {
             LOGGER.error(e) { "Failed to fetch descriptors from '$tableName' due to SQL error." }
-            return emptySequence()
         }
     }
 
@@ -125,23 +117,19 @@ abstract class AbstractDescriptorReader<D : Descriptor>(final override val field
      * @param descriptorIds A [Iterable] of [DescriptorId]s to return.
      * @return [Sequence] of [Descriptor] of type [D]
      */
-    override fun getAll(descriptorIds: Iterable<DescriptorId>): Sequence<D> {
+    override fun getAll(descriptorIds: Iterable<DescriptorId>): Sequence<D> = sequence {
         try {
-            this.connection.jdbc.prepareStatement("SELECT * FROM $tableName WHERE $DESCRIPTOR_ID_COLUMN_NAME = ANY (?)").use { stmt ->
+            this@AbstractDescriptorReader.connection.jdbc.prepareStatement("SELECT * FROM $tableName WHERE $DESCRIPTOR_ID_COLUMN_NAME = ANY (?)").use { stmt ->
                 val values = descriptorIds.map { it }.toTypedArray()
-                stmt.setArray(1, this.connection.jdbc.createArrayOf("uuid", values))
-                val result = stmt.executeQuery()
-                return sequence {
-                    result.use {
-                        while (result.next()) {
-                            yield(this@AbstractDescriptorReader.rowToDescriptor(result))
-                        }
+                stmt.setArray(1, this@AbstractDescriptorReader.connection.jdbc.createArrayOf("uuid", values))
+                stmt.executeQuery().use { result ->
+                    while (result.next()) {
+                        yield(this@AbstractDescriptorReader.rowToDescriptor(result))
                     }
                 }
             }
         } catch (e: Exception) {
             LOGGER.error(e) { "Failed to fetch descriptors from '$tableName' due to SQL error." }
-            return emptySequence()
         }
     }
 
diff --git a/vitrivr-engine-module-pgvector/src/main/kotlin/org/vitrivr/engine/database/pgvector/retrievable/RetrievableReader.kt b/vitrivr-engine-module-pgvector/src/main/kotlin/org/vitrivr/engine/database/pgvector/retrievable/RetrievableReader.kt
index 7856569b..758cf378 100644
--- a/vitrivr-engine-module-pgvector/src/main/kotlin/org/vitrivr/engine/database/pgvector/retrievable/RetrievableReader.kt
+++ b/vitrivr-engine-module-pgvector/src/main/kotlin/org/vitrivr/engine/database/pgvector/retrievable/RetrievableReader.kt
@@ -83,20 +83,17 @@ class RetrievableReader(override val connection: PgVectorConnection): Retrievabl
      *
      * @return A [Sequence] of all [Retrievable]s in the database.
      */
-    override fun getAll(): Sequence<Retrievable> {
+    override fun getAll(): Sequence<Retrievable> = sequence {
         try {
-            this.connection.jdbc.prepareStatement("SELECT * FROM $RETRIEVABLE_ENTITY_NAME").use { stmt ->
-                val result = stmt.executeQuery()
-                return sequence {
+            this@RetrievableReader.connection.jdbc.prepareStatement("SELECT * FROM $RETRIEVABLE_ENTITY_NAME").use { stmt ->
+                stmt.executeQuery().use { result ->
                     while (result.next()) {
                         yield(Retrieved(result.getObject(RETRIEVABLE_ID_COLUMN_NAME, UUID::class.java), result.getString(RETRIEVABLE_TYPE_COLUMN_NAME), false))
                     }
-                    result.close()
                 }
             }
         } catch (e: Exception) {
             LOGGER.error(e) { "Failed to check for retrievables due to SQL error." }
-            return emptySequence()
         }
     }