Don't push down VindexMatch operations

Signed-off-by: Matt Lord <[email protected]>

go/vt/vttablet/tabletserver/vstreamer/planbuilder.go

@@ -629,8 +629,10 @@ func (plan *Plan) analyzeWhere(vschema *localVSchema, where *sqlparser.Where) er
 				ColNum: colnum,
 				Value:  resolved.Value(plan.env.CollationEnv().DefaultConnectionCharset()),
 			})
-			// Add it to the expressions that get pushed down to mysqld.
-			plan.whereExprsToPushDown = append(plan.whereExprsToPushDown, expr)
+			if opcode != VindexMatch { // VindexMatch can only be performed in the VStreamer
+				// Add it to the expressions that get pushed down to mysqld.
+				plan.whereExprsToPushDown = append(plan.whereExprsToPushDown, expr)
+			}
 		case *sqlparser.FuncExpr:
 			// We cannot filter binlog events in VStreamer using MySQL functions so
 			// we only allow the in_keyrange() function, which is VStreamer specific.