Merge branch '141-get-many-32-bit' into dev

.gitlab-ci.yml

@@ -34,7 +34,7 @@ test:linux:x64:
       - GOVERSION: [ '1.13', '1.14', '1.15', '1.16', '1.17', '1.18', '1.19', '1.20', '1.21', '1.22' ]
 
 # TODO Not working on shell runner (e.g. with default (old) version): investigate and find a working setup
-.test:linux:ARMv7hf:
+test:linux:ARMv7hf:
   extends: .test
   tags: [ armv7hf, linux, shell ]
   variables:

README.md

@@ -36,7 +36,7 @@ id, err := box.Put(&Person{ FirstName: "Joe", LastName:  "Green" })
 Want details? **[Read the docs](https://golang.objectbox.io/)** or
 **[check out the API reference](https://godoc.org/github.com/objectbox/objectbox-go/objectbox)**.
 
-Latest release: [v1.8.0 (2024-02-16)](https://golang.objectbox.io/)
+Latest release: [v1.8.1 (2024-08-29)](https://golang.objectbox.io/)
 
 ## Table of Contents:
 - [High-performance Golang database](#high-performance-golang-database)

objectbox/datavisitorc.go

@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-2021 ObjectBox Ltd. All rights reserved.
+ * Copyright 2018-2024 ObjectBox Ltd. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,19 +26,31 @@ package objectbox
 */
 import "C"
 import (
+	"fmt"
 	"unsafe"
 )
 
-//export dataVisitorDispatch
+// "Implements" the C function obx_data_visitor and dispatches to the registered Go data visitor.
 // This function finds the data visitor (based on the pointer to the visitorId) and calls it with the given data
 // NOTE: don't change ptr contents, it's `const void*` in C but go doesn't support const pointers
-func dataVisitorDispatch(visitorIdPtr unsafe.Pointer, data unsafe.Pointer, size C.size_t) C.bool {
-	var visitorId = *(*uint32)(visitorIdPtr)
+//
+//export dataVisitorDispatch
+func dataVisitorDispatch(data unsafe.Pointer, size C.size_t, userData unsafe.Pointer) C.bool {
+	if userData == nil {
+		panic("Internal error: visitor ID pointer is nil")
+	}
+	var visitorId = *(*uint32)(userData)
 
 	// create an empty byte slice and map the C data to it, no copy required
 	var bytes []byte
-	cVoidPtrToByteSlice(data, int(size), &bytes)
+	if data != nil {
+		cVoidPtrToByteSlice(data, int(size), &bytes)
+	}
+
+	var fn = dataVisitorLookup(visitorId)
+	if fn == nil {
+		panic(fmt.Sprintf("Internal error: no data visitor found for ID %d", visitorId))
+	}
 
-	var fn = dataVisitorLookup(uint32(visitorId))
 	return C.bool(fn(bytes))
 }

objectbox/version.go

@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-2022 ObjectBox Ltd. All rights reserved.
+ * Copyright 2018-2024 ObjectBox Ltd. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -51,7 +51,7 @@ func (v Version) String() string {
 // VersionGo returns the Version of the ObjectBox-Go binding
 func VersionGo() Version {
 	// for label, use `beta.0` format, increasing the counter for each subsequent release
-	return Version{1, 8, 0, ""}
+	return Version{1, 8, 1, ""}
 }
 
 // VersionLib returns the Version of the dynamic linked ObjectBox library (loaded at runtime)