diff --git a/build.gradle b/build.gradle
index 328025c4..39e4ecc5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -28,7 +28,7 @@ plugins {
 
 
 group 'com.github.UstadMobile.door'
-version '0.79.11'
+version '0.79.12'
 
 ext.localProperties = new Properties()
 
diff --git a/door-compiler/src/main/kotlin/com/ustadmobile/lib/annotationprocessor/core/DoorHttpServerProcessor.kt b/door-compiler/src/main/kotlin/com/ustadmobile/lib/annotationprocessor/core/DoorHttpServerProcessor.kt
index 252d509d..cf382968 100644
--- a/door-compiler/src/main/kotlin/com/ustadmobile/lib/annotationprocessor/core/DoorHttpServerProcessor.kt
+++ b/door-compiler/src/main/kotlin/com/ustadmobile/lib/annotationprocessor/core/DoorHttpServerProcessor.kt
@@ -612,13 +612,24 @@ fun FileSpec.Builder.addHttpServerExtensionFun(
                 .apply {
                     daoFunDecl.parameters.forEachIndexed { index, param ->
                         add("val _arg_${param.name?.asString()} : %T = ", funAsMemberOfDao.parameterTypes[index]?.toTypeName())
-                        add("json.decodeFromString(")
-                        addKotlinxSerializationStrategy(funAsMemberOfDao.parameterTypes[index]!!, resolver)
+
                         if(param.hasAnnotation(RepoHttpBodyParam::class)) {
-                            add(", request.requireBodyAsString())\n")
+                            add("request.bodyAsStringOrNull()")
                         }else {
-                            add(", request.requireParam(%S))\n", param.name?.asString())
+                            add("request.queryParam(%S)", param.name?.asString())
+                        }
+                        beginControlFlow("?.let")
+                        add("json.decodeFromString(")
+                        addKotlinxSerializationStrategy(funAsMemberOfDao.parameterTypes[index]!!, resolver)
+                        add(", it)\n")
+                        unindent().add("}")
+
+                        val paramTypeResolved = param.type.resolve()
+                        if(!paramTypeResolved.isMarkedNullable) {
+                            add(" ?: ")
+                            add(param.type.resolve().defaultTypeValueCode(resolver))
                         }
+                        add("\n")
                     }
 
                     if(daoFunDecl.returnType?.resolve()?.isPagingSource() == true) {
diff --git a/door-runtime/src/commonMain/kotlin/com/ustadmobile/door/http/DoorJsonRequest.kt b/door-runtime/src/commonMain/kotlin/com/ustadmobile/door/http/DoorJsonRequest.kt
index 65ea7121..ec5e20ab 100644
--- a/door-runtime/src/commonMain/kotlin/com/ustadmobile/door/http/DoorJsonRequest.kt
+++ b/door-runtime/src/commonMain/kotlin/com/ustadmobile/door/http/DoorJsonRequest.kt
@@ -9,10 +9,14 @@ interface DoorJsonRequest {
      */
     val db: RoomDatabase
 
+    fun queryParam(paramName: String): String?
+
     fun requireParam(paramName: String): String
 
     suspend fun requireBodyAsString(): String
 
+    suspend fun bodyAsStringOrNull(): String?
+
     fun requireHeader(header: String): String
 
     fun requireNodeId(): Long
diff --git a/door-runtime/src/jvmMain/kotlin/com/ustadmobile/door/ktor/KtorDoorJsonRequestAdapter.kt b/door-runtime/src/jvmMain/kotlin/com/ustadmobile/door/ktor/KtorDoorJsonRequestAdapter.kt
index 1e759da2..d9095554 100644
--- a/door-runtime/src/jvmMain/kotlin/com/ustadmobile/door/ktor/KtorDoorJsonRequestAdapter.kt
+++ b/door-runtime/src/jvmMain/kotlin/com/ustadmobile/door/ktor/KtorDoorJsonRequestAdapter.kt
@@ -11,6 +11,10 @@ class KtorDoorJsonRequestAdapter(
     override val db: RoomDatabase,
 ) : DoorJsonRequest {
 
+    override fun queryParam(paramName: String): String? {
+        return call.request.queryParameters[paramName]
+    }
+
     override fun requireParam(paramName: String): String {
         return call.request.queryParameters[paramName]
             ?: throw IllegalStateException("requireStringParam: $paramName not found")
@@ -20,6 +24,11 @@ class KtorDoorJsonRequestAdapter(
         return call.receiveText()
     }
 
+    @Suppress("RedundantNullableReturnType")
+    override suspend fun bodyAsStringOrNull(): String? {
+        return requireBodyAsString()
+    }
+
     override fun requireHeader(header: String): String {
         return call.request.header(header) ?: throw IllegalStateException("requireHeader: $header not found")
     }
diff --git a/door-testdb/src/commonMain/kotlin/db3/DiscussionPostDao.kt b/door-testdb/src/commonMain/kotlin/db3/DiscussionPostDao.kt
index ca179c4d..89afb341 100644
--- a/door-testdb/src/commonMain/kotlin/db3/DiscussionPostDao.kt
+++ b/door-testdb/src/commonMain/kotlin/db3/DiscussionPostDao.kt
@@ -317,4 +317,17 @@ expect abstract class DiscussionPostDao : RepositoryFlowLoadingStatusProvider {
     @Update
     abstract suspend fun update(post: DiscussionPost)
 
+    @HttpAccessible
+    @Query("""
+        SELECT DiscussionPost.*,
+               Member.firstName AS firstName,
+               Member.lastName AS lastName
+          FROM DiscussionPost
+               LEFT JOIN Member
+                         ON Member.memberUid = DiscussionPost.posterMemberUid 
+         WHERE Member.firstName = :firstName       
+    """)
+    abstract suspend fun findByName(firstName: String?): List<DiscussionPost>
+
+
 }
\ No newline at end of file