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planner: handle panic when loading bindings at startup (#58017) #58169

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Merged
merged 3 commits into from
Dec 12, 2024
Merged

planner: handle panic when loading bindings at startup (#58017) #58169

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1d91121
This is an automated cherry-pick of #58017
qw4990 Dec 5, 2024
402487d
fixup
qw4990 Dec 12, 2024
5328378
fixup
qw4990 Dec 12, 2024
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9 changes: 8 additions & 1 deletion pkg/bindinfo/bind_record.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ import (
"github.com/pingcap/tidb/pkg/types"
"github.com/pingcap/tidb/pkg/util/hack"
"github.com/pingcap/tidb/pkg/util/hint"
"github.com/pkg/errors"
)

const (
Expand Down Expand Up @@ -172,7 +173,13 @@ func (br *BindRecord) FindBinding(hint string) *Binding {

// prepareHints builds ID and Hint for BindRecord. If sctx is not nil, we check if
// the BindSQL is still valid.
func (br *BindRecord) prepareHints(sctx sessionctx.Context) error {
func (br *BindRecord) prepareHints(sctx sessionctx.Context) (rerr error) {
defer func() {
if r := recover(); r != nil {
rerr = errors.Errorf("panic when preparing hints for binding, panic: %v", r)
}
}()

p := parser.New()
for i, bind := range br.Bindings {
if (bind.Hint != nil && bind.ID != "") || bind.Status == deleted {
Expand Down