129 lines
4.5 KiB
Go
129 lines
4.5 KiB
Go
// Copyright 2015 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 stmts_test
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import (
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb"
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"github.com/pingcap/tidb/stmt/stmts"
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)
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func (s *testStmtSuite) TestReplace(c *C) {
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testSQL := `drop table if exists replace_test;
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create table replace_test (id int PRIMARY KEY AUTO_INCREMENT, c1 int, c2 int, c3 int default 1);
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replace replace_test (c1) values (1),(2),(NULL);`
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mustExec(c, s.testDB, testSQL)
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errReplaceSQL := `replace replace_test (c1) values ();`
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tx := mustBegin(c, s.testDB)
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_, err := tx.Exec(errReplaceSQL)
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c.Assert(err, NotNil)
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tx.Rollback()
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errReplaceSQL = `replace replace_test (c1, c2) values (1,2),(1);`
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tx = mustBegin(c, s.testDB)
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_, err = tx.Exec(errReplaceSQL)
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c.Assert(err, NotNil)
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tx.Rollback()
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errReplaceSQL = `replace replace_test (xxx) values (3);`
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tx = mustBegin(c, s.testDB)
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_, err = tx.Exec(errReplaceSQL)
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c.Assert(err, NotNil)
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tx.Rollback()
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errReplaceSQL = `replace replace_test_xxx (c1) values ();`
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tx = mustBegin(c, s.testDB)
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_, err = tx.Exec(errReplaceSQL)
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c.Assert(err, NotNil)
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tx.Rollback()
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replaceSetSQL := `replace replace_test set c1 = 3;`
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mustExec(c, s.testDB, replaceSetSQL)
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stmtList, err := tidb.Compile(s.ctx, replaceSetSQL)
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c.Assert(err, IsNil)
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c.Assert(stmtList, HasLen, 1)
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testStmt, ok := stmtList[0].(*stmts.ReplaceIntoStmt)
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c.Assert(ok, IsTrue)
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c.Assert(testStmt.IsDDL(), IsFalse)
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c.Assert(len(testStmt.OriginText()), Greater, 0)
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errReplaceSetSQL := `replace replace_test set c1 = 4, c1 = 5;`
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tx = mustBegin(c, s.testDB)
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_, err = tx.Exec(errReplaceSetSQL)
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c.Assert(err, NotNil)
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tx.Rollback()
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errReplaceSetSQL = `replace replace_test set xxx = 6;`
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tx = mustBegin(c, s.testDB)
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_, err = tx.Exec(errReplaceSetSQL)
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c.Assert(err, NotNil)
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tx.Rollback()
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replaceSelectSQL := `create table replace_test_1 (id int, c1 int);
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replace replace_test_1 select id, c1 from replace_test;`
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mustExec(c, s.testDB, replaceSelectSQL)
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replaceSelectSQL = `create table replace_test_2 (id int, c1 int);
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replace replace_test_1 select id, c1 from replace_test union select id * 10, c1 * 10 from replace_test;`
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mustExec(c, s.testDB, replaceSelectSQL)
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errReplaceSelectSQL := `replace replace_test_1 select c1 from replace_test;`
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tx = mustBegin(c, s.testDB)
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_, err = tx.Exec(errReplaceSelectSQL)
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c.Assert(err, NotNil)
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tx.Rollback()
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replaceUniqueIndexSQL := `create table replace_test_3 (c1 int, c2 int, UNIQUE INDEX (c2));
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replace into replace_test_3 set c2=1;`
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mustExec(c, s.testDB, replaceUniqueIndexSQL)
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replaceUniqueIndexSQL = `replace into replace_test_3 set c2=1;`
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ret := mustExec(c, s.testDB, replaceUniqueIndexSQL)
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rows, err := ret.RowsAffected()
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c.Assert(err, IsNil)
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c.Assert(rows, Equals, int64(1))
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replaceUniqueIndexSQL = `replace into replace_test_3 set c1=1, c2=1;`
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ret = mustExec(c, s.testDB, replaceUniqueIndexSQL)
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rows, err = ret.RowsAffected()
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c.Assert(err, IsNil)
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c.Assert(rows, Equals, int64(2))
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replaceUniqueIndexSQL = `replace into replace_test_3 set c2=NULL;`
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mustExec(c, s.testDB, replaceUniqueIndexSQL)
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replaceUniqueIndexSQL = `replace into replace_test_3 set c2=NULL;`
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ret = mustExec(c, s.testDB, replaceUniqueIndexSQL)
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rows, err = ret.RowsAffected()
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c.Assert(err, IsNil)
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c.Assert(rows, Equals, int64(1))
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replaceUniqueIndexSQL = `create table replace_test_4 (c1 int, c2 int, c3 int, UNIQUE INDEX (c1, c2));
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replace into replace_test_4 set c2=NULL;`
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mustExec(c, s.testDB, replaceUniqueIndexSQL)
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replaceUniqueIndexSQL = `replace into replace_test_4 set c2=NULL;`
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ret = mustExec(c, s.testDB, replaceUniqueIndexSQL)
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rows, err = ret.RowsAffected()
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c.Assert(err, IsNil)
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c.Assert(rows, Equals, int64(1))
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replacePrimaryKeySQL := `create table replace_test_5 (c1 int, c2 int, c3 int, PRIMARY KEY (c1, c2));
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replace into replace_test_5 set c1=1, c2=2;`
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mustExec(c, s.testDB, replacePrimaryKeySQL)
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replacePrimaryKeySQL = `replace into replace_test_5 set c1=1, c2=2;`
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ret = mustExec(c, s.testDB, replacePrimaryKeySQL)
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rows, err = ret.RowsAffected()
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c.Assert(err, IsNil)
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c.Assert(rows, Equals, int64(1))
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}
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