Files
tidb/parser/ast/misc_test.go
2021-10-09 14:53:23 +08:00

280 lines
8.7 KiB
Go

// Copyright 2016 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package ast_test
import (
. "github.com/pingcap/check"
"github.com/pingcap/parser"
. "github.com/pingcap/parser/ast"
"github.com/pingcap/parser/auth"
"github.com/pingcap/parser/mysql"
)
var _ = Suite(&testMiscSuite{})
type testMiscSuite struct {
}
type visitor struct{}
func (v visitor) Enter(in Node) (Node, bool) {
return in, false
}
func (v visitor) Leave(in Node) (Node, bool) {
return in, true
}
type visitor1 struct {
visitor
}
func (visitor1) Enter(in Node) (Node, bool) {
return in, true
}
func (ts *testMiscSuite) TestMiscVisitorCover(c *C) {
valueExpr := NewValueExpr(42, mysql.DefaultCharset, mysql.DefaultCollationName)
stmts := []Node{
&AdminStmt{},
&AlterUserStmt{},
&BeginStmt{},
&BinlogStmt{},
&CommitStmt{},
&CreateUserStmt{},
&DeallocateStmt{},
&DoStmt{},
&ExecuteStmt{UsingVars: []ExprNode{valueExpr}},
&ExplainStmt{Stmt: &ShowStmt{}},
&GrantStmt{},
&PrepareStmt{SQLVar: &VariableExpr{Value: valueExpr}},
&RollbackStmt{},
&SetPwdStmt{},
&SetStmt{Variables: []*VariableAssignment{
{
Value: valueExpr,
},
}},
&UseStmt{},
&AnalyzeTableStmt{
TableNames: []*TableName{
{},
},
},
&FlushStmt{},
&PrivElem{},
&VariableAssignment{Value: valueExpr},
&KillStmt{},
&DropStatsStmt{Table: &TableName{}},
&ShutdownStmt{},
}
for _, v := range stmts {
v.Accept(visitor{})
v.Accept(visitor1{})
}
}
func (ts *testMiscSuite) TestDDLVisitorCover(c *C) {
sql := `
create table t (c1 smallint unsigned, c2 int unsigned);
alter table t add column a smallint unsigned after b;
alter table t add column (a int, constraint check (a > 0));
create index t_i on t (id);
create database test character set utf8;
drop database test;
drop index t_i on t;
drop table t;
truncate t;
create table t (
jobAbbr char(4) not null,
constraint foreign key (jobabbr) references ffxi_jobtype (jobabbr) on delete cascade on update cascade
);
`
parse := parser.New()
stmts, _, err := parse.Parse(sql, "", "")
c.Assert(err, IsNil)
for _, stmt := range stmts {
stmt.Accept(visitor{})
stmt.Accept(visitor1{})
}
}
func (ts *testMiscSuite) TestDMLVistorCover(c *C) {
sql := `delete from somelog where user = 'jcole' order by timestamp_column limit 1;
delete t1, t2 from t1 inner join t2 inner join t3 where t1.id=t2.id and t2.id=t3.id;
select * from t where exists(select * from t k where t.c = k.c having sum(c) = 1);
insert into t_copy select * from t where t.x > 5;
(select /*+ TIDB_INLJ(t1) */ a from t1 where a=10 and b=1) union (select /*+ TIDB_SMJ(t2) */ a from t2 where a=11 and b=2) order by a limit 10;
update t1 set col1 = col1 + 1, col2 = col1;
show create table t;
load data infile '/tmp/t.csv' into table t fields terminated by 'ab' enclosed by 'b';`
p := parser.New()
stmts, _, err := p.Parse(sql, "", "")
c.Assert(err, IsNil)
for _, stmt := range stmts {
stmt.Accept(visitor{})
stmt.Accept(visitor1{})
}
}
// test Change Pump or drainer status sql parser
func (ts *testMiscSuite) TestChangeStmt(c *C) {
sql := `change pump to node_state='paused' for node_id '127.0.0.1:8249';
change drainer to node_state='paused' for node_id '127.0.0.1:8249';
shutdown;`
p := parser.New()
stmts, _, err := p.Parse(sql, "", "")
c.Assert(err, IsNil)
for _, stmt := range stmts {
stmt.Accept(visitor{})
stmt.Accept(visitor1{})
}
}
func (ts *testMiscSuite) TestSensitiveStatement(c *C) {
positive := []StmtNode{
&SetPwdStmt{},
&CreateUserStmt{},
&AlterUserStmt{},
&GrantStmt{},
}
for i, stmt := range positive {
_, ok := stmt.(SensitiveStmtNode)
c.Assert(ok, IsTrue, Commentf("%d, %#v fail", i, stmt))
}
negative := []StmtNode{
&DropUserStmt{},
&RevokeStmt{},
&AlterTableStmt{},
&CreateDatabaseStmt{},
&CreateIndexStmt{},
&CreateTableStmt{},
&DropDatabaseStmt{},
&DropIndexStmt{},
&DropTableStmt{},
&RenameTableStmt{},
&TruncateTableStmt{},
}
for _, stmt := range negative {
_, ok := stmt.(SensitiveStmtNode)
c.Assert(ok, IsFalse)
}
}
func (ts *testMiscSuite) TestUserSpec(c *C) {
hashString := "*3D56A309CD04FA2EEF181462E59011F075C89548"
u := UserSpec{
User: &auth.UserIdentity{
Username: "test",
},
AuthOpt: &AuthOption{
ByAuthString: false,
AuthString: "xxx",
HashString: hashString,
},
}
pwd, ok := u.EncodedPassword()
c.Assert(ok, IsTrue)
c.Assert(pwd, Equals, u.AuthOpt.HashString)
u.AuthOpt.HashString = "not-good-password-format"
pwd, ok = u.EncodedPassword()
c.Assert(ok, IsFalse)
u.AuthOpt.ByAuthString = true
pwd, ok = u.EncodedPassword()
c.Assert(ok, IsTrue)
c.Assert(pwd, Equals, hashString)
u.AuthOpt.AuthString = ""
pwd, ok = u.EncodedPassword()
c.Assert(ok, IsTrue)
c.Assert(pwd, Equals, "")
}
func (ts *testMiscSuite) TestTableOptimizerHintRestore(c *C) {
testCases := []NodeRestoreTestCase{
{"USE_INDEX(t1 c1)", "USE_INDEX(`t1` `c1`)"},
{"USE_INDEX(test.t1 c1)", "USE_INDEX(`test`.`t1` `c1`)"},
{"USE_INDEX(@sel_1 t1 c1)", "USE_INDEX(@`sel_1` `t1` `c1`)"},
{"USE_INDEX(t1@sel_1 c1)", "USE_INDEX(`t1`@`sel_1` `c1`)"},
{"USE_INDEX(test.t1@sel_1 c1)", "USE_INDEX(`test`.`t1`@`sel_1` `c1`)"},
{"IGNORE_INDEX(t1 c1)", "IGNORE_INDEX(`t1` `c1`)"},
{"IGNORE_INDEX(@sel_1 t1 c1)", "IGNORE_INDEX(@`sel_1` `t1` `c1`)"},
{"IGNORE_INDEX(t1@sel_1 c1)", "IGNORE_INDEX(`t1`@`sel_1` `c1`)"},
{"TIDB_SMJ(`t1`)", "TIDB_SMJ(`t1`)"},
{"TIDB_SMJ(t1)", "TIDB_SMJ(`t1`)"},
{"TIDB_SMJ(t1,t2)", "TIDB_SMJ(`t1`, `t2`)"},
{"TIDB_SMJ(@sel1 t1,t2)", "TIDB_SMJ(@`sel1` `t1`, `t2`)"},
{"TIDB_SMJ(t1@sel1,t2@sel2)", "TIDB_SMJ(`t1`@`sel1`, `t2`@`sel2`)"},
{"TIDB_INLJ(t1,t2)", "TIDB_INLJ(`t1`, `t2`)"},
{"TIDB_INLJ(@sel1 t1,t2)", "TIDB_INLJ(@`sel1` `t1`, `t2`)"},
{"TIDB_INLJ(t1@sel1,t2@sel2)", "TIDB_INLJ(`t1`@`sel1`, `t2`@`sel2`)"},
{"TIDB_HJ(t1,t2)", "TIDB_HJ(`t1`, `t2`)"},
{"TIDB_HJ(@sel1 t1,t2)", "TIDB_HJ(@`sel1` `t1`, `t2`)"},
{"TIDB_HJ(t1@sel1,t2@sel2)", "TIDB_HJ(`t1`@`sel1`, `t2`@`sel2`)"},
{"MERGE_JOIN(t1,t2)", "MERGE_JOIN(`t1`, `t2`)"},
{"INL_JOIN(t1,t2)", "INL_JOIN(`t1`, `t2`)"},
{"HASH_JOIN(t1,t2)", "HASH_JOIN(`t1`, `t2`)"},
{"MAX_EXECUTION_TIME(3000)", "MAX_EXECUTION_TIME(3000)"},
{"MAX_EXECUTION_TIME(@sel1 3000)", "MAX_EXECUTION_TIME(@`sel1` 3000)"},
{"USE_INDEX_MERGE(t1 c1)", "USE_INDEX_MERGE(`t1` `c1`)"},
{"USE_INDEX_MERGE(@sel1 t1 c1)", "USE_INDEX_MERGE(@`sel1` `t1` `c1`)"},
{"USE_INDEX_MERGE(t1@sel1 c1)", "USE_INDEX_MERGE(`t1`@`sel1` `c1`)"},
{"USE_TOJA(TRUE)", "USE_TOJA(TRUE)"},
{"USE_TOJA(FALSE)", "USE_TOJA(FALSE)"},
{"USE_TOJA(@sel1 TRUE)", "USE_TOJA(@`sel1` TRUE)"},
{"USE_CASCADES(TRUE)", "USE_CASCADES(TRUE)"},
{"USE_CASCADES(FALSE)", "USE_CASCADES(FALSE)"},
{"USE_CASCADES(@sel1 TRUE)", "USE_CASCADES(@`sel1` TRUE)"},
{"QUERY_TYPE(OLAP)", "QUERY_TYPE(OLAP)"},
{"QUERY_TYPE(OLTP)", "QUERY_TYPE(OLTP)"},
{"QUERY_TYPE(@sel1 OLTP)", "QUERY_TYPE(@`sel1` OLTP)"},
{"MEMORY_QUOTA(1 GB)", "MEMORY_QUOTA(1024 MB)"},
{"MEMORY_QUOTA(@sel1 1 GB)", "MEMORY_QUOTA(@`sel1` 1024 MB)"},
{"HASH_AGG()", "HASH_AGG()"},
{"HASH_AGG(@sel1)", "HASH_AGG(@`sel1`)"},
{"STREAM_AGG()", "STREAM_AGG()"},
{"STREAM_AGG(@sel1)", "STREAM_AGG(@`sel1`)"},
{"AGG_TO_COP()", "AGG_TO_COP()"},
{"AGG_TO_COP(@sel_1)", "AGG_TO_COP(@`sel_1`)"},
{"NO_INDEX_MERGE()", "NO_INDEX_MERGE()"},
{"NO_INDEX_MERGE(@sel1)", "NO_INDEX_MERGE(@`sel1`)"},
{"READ_CONSISTENT_REPLICA()", "READ_CONSISTENT_REPLICA()"},
{"READ_CONSISTENT_REPLICA(@sel1)", "READ_CONSISTENT_REPLICA(@`sel1`)"},
{"QB_NAME(sel1)", "QB_NAME(`sel1`)"},
{"READ_FROM_STORAGE(@sel TIFLASH[t1, t2])", "READ_FROM_STORAGE(@`sel` TIFLASH[`t1`, `t2`])"},
{"TIME_RANGE('2020-02-02 10:10:10','2020-02-02 11:10:10')", "TIME_RANGE('2020-02-02 10:10:10', '2020-02-02 11:10:10')"},
}
extractNodeFunc := func(node Node) Node {
return node.(*SelectStmt).TableHints[0]
}
RunNodeRestoreTest(c, testCases, "select /*+ %s */ * from t1 join t2", extractNodeFunc)
}
func (ts *testMiscSuite) TestChangeStmtRestore(c *C) {
testCases := []NodeRestoreTestCase{
{"CHANGE PUMP TO NODE_STATE ='paused' FOR NODE_ID '127.0.0.1:9090'", "CHANGE PUMP TO NODE_STATE ='paused' FOR NODE_ID '127.0.0.1:9090'"},
{"CHANGE DRAINER TO NODE_STATE ='paused' FOR NODE_ID '127.0.0.1:9090'", "CHANGE DRAINER TO NODE_STATE ='paused' FOR NODE_ID '127.0.0.1:9090'"},
}
extractNodeFunc := func(node Node) Node {
return node.(*ChangeStmt)
}
RunNodeRestoreTest(c, testCases, "%s", extractNodeFunc)
}