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don't panic on invalid page type

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debugging tools shouldn't panic when they encounter bugs. insert
"you had one job" meme.
This commit is contained in:
Seebs 2021-12-20 10:58:41 -06:00
parent 06204bcf7b
commit 977a699a98
1 changed files with 2 additions and 7 deletions
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9
ctl/rbf_pages.go
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@ -69,9 +69,9 @@ func (cmd *RBFPagesCommand) Run(ctx context.Context) error {
// Print one line for each page.
for pgno, info := range infos {
fmt.Fprintf(cmd.Stdout, "%-8d ", pgno)
switch info := info.(type) {
case *rbf.MetaPageInfo:
fmt.Fprintf(cmd.Stdout, "%-8d ", pgno)
fmt.Fprintf(cmd.Stdout, "%-10s ", "meta")
if cmd.WithTree {
fmt.Fprintf(cmd.Stdout, "%-30q ", "")
@ -79,7 +79,6 @@ func (cmd *RBFPagesCommand) Run(ctx context.Context) error {
fmt.Fprintf(cmd.Stdout, "pageN=%d,walid=%d,rootrec=%d,freelist=%d\n", info.PageN, info.WALID, info.RootRecordPageNo, info.FreelistPageNo)
case *rbf.RootRecordPageInfo:
fmt.Fprintf(cmd.Stdout, "%-8d ", pgno)
fmt.Fprintf(cmd.Stdout, "%-10s ", "rootrec")
if cmd.WithTree {
fmt.Fprintf(cmd.Stdout, "%-30q ", "")
@ -87,7 +86,6 @@ func (cmd *RBFPagesCommand) Run(ctx context.Context) error {
fmt.Fprintf(cmd.Stdout, "next=%d\n", info.Next)
case *rbf.LeafPageInfo:
fmt.Fprintf(cmd.Stdout, "%-8d ", pgno)
fmt.Fprintf(cmd.Stdout, "%-10s ", "leaf")
if cmd.WithTree {
fmt.Fprintf(cmd.Stdout, "%-30q ", prefixToString(info.Tree))
@ -95,7 +93,6 @@ func (cmd *RBFPagesCommand) Run(ctx context.Context) error {
fmt.Fprintf(cmd.Stdout, "flags=x%x,celln=%d\n", info.Flags, info.CellN)
case *rbf.BranchPageInfo:
fmt.Fprintf(cmd.Stdout, "%-8d ", pgno)
fmt.Fprintf(cmd.Stdout, "%-10s ", "branch")
if cmd.WithTree {
fmt.Fprintf(cmd.Stdout, "%-30q ", prefixToString(info.Tree))
@ -103,7 +100,6 @@ func (cmd *RBFPagesCommand) Run(ctx context.Context) error {
fmt.Fprintf(cmd.Stdout, "flags=x%x,celln=%d\n", info.Flags, info.CellN)
case *rbf.BitmapPageInfo:
fmt.Fprintf(cmd.Stdout, "%-8d ", pgno)
fmt.Fprintf(cmd.Stdout, "%-10s ", "bitmap")
if cmd.WithTree {
fmt.Fprintf(cmd.Stdout, "%-30q ", prefixToString(info.Tree))
@ -111,7 +107,6 @@ func (cmd *RBFPagesCommand) Run(ctx context.Context) error {
fmt.Fprintf(cmd.Stdout, "-\n")
case *rbf.FreePageInfo:
fmt.Fprintf(cmd.Stdout, "%-8d ", pgno)
fmt.Fprintf(cmd.Stdout, "%-10s ", "free")
if cmd.WithTree {
fmt.Fprintf(cmd.Stdout, "%-30q ", "")
@ -119,7 +114,7 @@ func (cmd *RBFPagesCommand) Run(ctx context.Context) error {
fmt.Fprintf(cmd.Stdout, "-\n")
default:
panic(fmt.Sprintf("unexpected page info type %T", info))
fmt.Fprintf(cmd.Stdout, "unknown [%T]\n", info)
}
}