Mark the JoinPredicate as handled.

arthurschreiber · arthurschreiber · commit 576e9cbdcf84 · 2026-01-13T15:31:49.000Z
Signed-off-by: Arthur Schreiber &lt;arthur@planetscale.com&gt;
diff --git a/go/vt/vtgate/planbuilder/operators/union.go b/go/vt/vtgate/planbuilder/operators/union.go
@@ -106,6 +106,7 @@ func (u *Union) AddPredicate(ctx *plancontext.PlanningContext, expr sqlparser.Ex
 
 	if jp, ok := expr.(*predicates.JoinPredicate); ok {
 		expr = jp.Current()
+		ctx.PredTracker.Skip(jp.ID)
 	}
 
 	needsFilter, exprPerSource := u.predicatePerSource(expr, offsets)

Original file line number	Diff line number	Diff line change
`@@ -106,6 +106,7 @@ func (u Union) AddPredicate(ctx plancontext.PlanningContext, expr sqlparser.Ex`
`106`	`106`
`107`	`107`	`if jp, ok := expr.(*predicates.JoinPredicate); ok {`
`108`	`108`	`expr = jp.Current()`
	`109`	`+ ctx.PredTracker.Skip(jp.ID)`
`109`	`110`	`}`
`110`	`111`
`111`	`112`	`needsFilter, exprPerSource := u.predicatePerSource(expr, offsets)`