blobby

1 files changed, 55 insertions, 0 deletions

diff --git a/blobby/main.go b/blobby/main.go
new file mode 100644
index 0000000..5b6f89f
--- /dev/null
+++ b/blobby/main.go
@@ -0,0 +1,55 @@
+package main
+
+import (
+	"gocloud.dev/blob"
+	// _ "gocloud.dev/blob/<driver>"
+	"context"
+	"fmt"
+
+	_ "gocloud.dev/blob/mysql"
+)
+
+func main() {
+	bucket, err := blob.OpenBucket(context.Background(), "<driver-url>")
+	if err != nil {
+		return fmt.Errorf("could not open bucket: %v", err)
+	}
+	defer bucket.Close()
+	// bucket is a *blob.Bucket; see usage below
+
+	// You can wrap a *blob.Bucket to always operate on a subfolder of the bucket using blob.PrefixedBucket:
+
+	// import "gocloud.dev/blob"
+
+	// Wrap the bucket using blob.PrefixedBucket.
+	// The prefix should end with "/", so that the resulting bucket operates
+	// in a subfolder.
+	bucket = blob.PrefixedBucket(bucket, "a/subfolder/")
+
+	// The original bucket is no longer usable; it has been closed.
+	// The wrapped bucket should be closed when done.
+	defer bucket.Close()
+
+	// Bucket operations on <key> will be translated to "a/subfolder/<key>".
+
+	// Alternatively, you can configure the prefix directly in the blob.OpenBucket URL:
+
+	/*
+	   import (
+	   	"context"
+	   	"gocloud.dev/blob"
+	   )
+	*/
+
+	// Connect to a bucket using a URL, using the "prefix" query parameter to
+	// target a subfolder in the bucket.
+	// The prefix should end with "/", so that the resulting bucket operates
+	// in a subfolder.
+	b, err := blob.OpenBucket(ctx, "mem://?prefix=a/subfolder/")
+	if err != nil {
+		return err
+	}
+	defer b.Close()
+
+	// Bucket operations on <key> will be translated to "a/subfolder/<key>".
+}