43 lines
1.8 KiB
Go
43 lines
1.8 KiB
Go
// Copyright 2019 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package executor_test
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import (
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/util/testkit"
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)
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func (s *testSuite2) TestReloadExprPushdownBlacklist(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("create database expr_pushdown_blacklist")
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tk.MustExec("use expr_pushdown_blacklist")
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tk.MustExec("create table t (a int)")
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tk.MustQuery("desc select * from t where a < 1").Check(testkit.Rows(
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"TableReader_7 3323.33 root data:Selection_6",
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"└─Selection_6 3323.33 cop lt(expr_pushdown_blacklist.t.a, 1)",
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" └─TableScan_5 10000.00 cop table:t, range:[-inf,+inf], keep order:false, stats:pseudo"))
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tk.MustExec("insert into mysql.expr_pushdown_blacklist values('lt')")
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tk.MustQuery("desc select * from t where a < 1").Check(testkit.Rows(
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"TableReader_7 3323.33 root data:Selection_6",
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"└─Selection_6 3323.33 cop lt(expr_pushdown_blacklist.t.a, 1)",
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" └─TableScan_5 10000.00 cop table:t, range:[-inf,+inf], keep order:false, stats:pseudo"))
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tk.MustExec("admin reload expr_pushdown_blacklist")
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tk.MustQuery("desc select * from t where a < 1").Check(testkit.Rows(
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"Selection_5 8000.00 root lt(expr_pushdown_blacklist.t.a, 1)",
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"└─TableReader_7 10000.00 root data:TableScan_6",
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" └─TableScan_6 10000.00 cop table:t, range:[-inf,+inf], keep order:false, stats:pseudo"))
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}
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