homework-jianmu/source/libs/planner/test/plannerTest.cpp

399 lines
11 KiB
C++

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <algorithm>
#include <gtest/gtest.h>
#include "cmdnodes.h"
#include "parser.h"
#include "planInt.h"
using namespace std;
using namespace testing;
class PlannerTest : public Test {
protected:
void setDatabase(const string& acctId, const string& db) {
acctId_ = acctId;
db_ = db;
}
void bind(const char* sql) {
reset();
cxt_.acctId = atoi(acctId_.c_str());
cxt_.db = db_.c_str();
sqlBuf_ = string(sql);
transform(sqlBuf_.begin(), sqlBuf_.end(), sqlBuf_.begin(), ::tolower);
cxt_.sqlLen = strlen(sql);
cxt_.pSql = sqlBuf_.c_str();
}
bool run(bool streamQuery = false) {
int32_t code = qParseQuerySql(&cxt_, &query_);
if (code != TSDB_CODE_SUCCESS) {
cout << "sql:[" << cxt_.pSql << "] qParseQuerySql code:" << code << ", strerror:" << tstrerror(code)
<< ", msg:" << errMagBuf_ << endl;
return false;
}
const string syntaxTreeStr = toString(query_->pRoot, false);
SLogicNode* pLogicNode = nullptr;
SPlanContext cxt = {0};
cxt.queryId = 1;
cxt.acctId = 0;
cxt.streamQuery = streamQuery;
setPlanContext(query_, &cxt);
code = createLogicPlan(&cxt, &pLogicNode);
if (code != TSDB_CODE_SUCCESS) {
cout << "sql:[" << cxt_.pSql << "] createLogicPlan code:" << code << ", strerror:" << tstrerror(code) << endl;
return false;
}
cout << "====================sql : [" << cxt_.pSql << "]" << endl;
cout << "syntax tree : " << endl;
cout << syntaxTreeStr << endl;
cout << "unformatted logic plan : " << endl;
cout << toString((const SNode*)pLogicNode, false) << endl;
code = optimizeLogicPlan(&cxt, pLogicNode);
if (code != TSDB_CODE_SUCCESS) {
cout << "sql:[" << cxt_.pSql << "] optimizeLogicPlan code:" << code << ", strerror:" << tstrerror(code) << endl;
return false;
}
SLogicSubplan* pLogicSubplan = nullptr;
code = splitLogicPlan(&cxt, pLogicNode, &pLogicSubplan);
if (code != TSDB_CODE_SUCCESS) {
cout << "sql:[" << cxt_.pSql << "] splitLogicPlan code:" << code << ", strerror:" << tstrerror(code) << endl;
return false;
}
SQueryLogicPlan* pLogicPlan = NULL;
code = scaleOutLogicPlan(&cxt, pLogicSubplan, &pLogicPlan);
if (code != TSDB_CODE_SUCCESS) {
cout << "sql:[" << cxt_.pSql << "] createPhysiPlan code:" << code << ", strerror:" << tstrerror(code) << endl;
return false;
}
SArray* pExecNodeList = taosArrayInit(TARRAY_MIN_SIZE, sizeof(SQueryNodeAddr));
code = createPhysiPlan(&cxt, pLogicPlan, &plan_, pExecNodeList);
if (code != TSDB_CODE_SUCCESS) {
cout << "sql:[" << cxt_.pSql << "] createPhysiPlan code:" << code << ", strerror:" << tstrerror(code) << endl;
return false;
}
cout << "unformatted physical plan : " << endl;
cout << toString((const SNode*)plan_, false) << endl;
SNode* pNode;
FOREACH(pNode, plan_->pSubplans) {
SNode* pSubplan;
FOREACH(pSubplan, ((SNodeListNode*)pNode)->pNodeList) {
cout << "unformatted physical subplan : " << endl;
cout << toString(pSubplan, false) << endl;
}
}
return true;
}
private:
static const int max_err_len = 1024;
void setPlanContext(SQuery* pQuery, SPlanContext* pCxt) {
if (QUERY_NODE_CREATE_TOPIC_STMT == nodeType(pQuery->pRoot)) {
pCxt->pAstRoot = ((SCreateTopicStmt*)pQuery->pRoot)->pQuery;
pCxt->topicQuery = true;
} else if (QUERY_NODE_CREATE_INDEX_STMT == nodeType(pQuery->pRoot)) {
SMCreateSmaReq req = {0};
tDeserializeSMCreateSmaReq(pQuery->pCmdMsg->pMsg, pQuery->pCmdMsg->msgLen, &req);
nodesStringToNode(req.ast, &pCxt->pAstRoot);
pCxt->streamQuery = true;
} else if (QUERY_NODE_CREATE_STREAM_STMT == nodeType(pQuery->pRoot)) {
SCreateStreamStmt* pStmt = (SCreateStreamStmt*)pQuery->pRoot;
pCxt->pAstRoot = pStmt->pQuery;
pCxt->streamQuery = true;
pCxt->triggerType = pStmt->pOptions->triggerType;
pCxt->watermark = (NULL != pStmt->pOptions->pWatermark ? ((SValueNode*)pStmt->pOptions->pWatermark)->datum.i : 0);
} else {
pCxt->pAstRoot = pQuery->pRoot;
}
}
void reset() {
memset(&cxt_, 0, sizeof(cxt_));
memset(errMagBuf_, 0, max_err_len);
cxt_.pMsg = errMagBuf_;
cxt_.msgLen = max_err_len;
}
string toString(const SNode* pRoot, bool format = true) {
char* pStr = NULL;
int32_t len = 0;
int32_t code = nodesNodeToString(pRoot, format, &pStr, &len);
if (code != TSDB_CODE_SUCCESS) {
cout << "sql:[" << cxt_.pSql << "] toString code:" << code << ", strerror:" << tstrerror(code) << endl;
return string();
}
string str(pStr);
taosMemoryFreeClear(pStr);
return str;
}
string acctId_;
string db_;
char errMagBuf_[max_err_len];
string sqlBuf_;
SParseContext cxt_;
SQuery* query_;
SQueryPlan* plan_;
};
TEST_F(PlannerTest, selectBasic) {
setDatabase("root", "test");
bind("SELECT * FROM t1");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectConstant) {
setDatabase("root", "test");
bind("SELECT 2-1 FROM t1");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectStableBasic) {
setDatabase("root", "test");
bind("SELECT * FROM st1");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectJoin) {
setDatabase("root", "test");
bind("SELECT t1.c1, t2.c2 FROM st1s1 t1, st1s2 t2 where t1.ts = t2.ts");
ASSERT_TRUE(run());
bind("SELECT t1.*, t2.* FROM st1s1 t1, st1s2 t2 where t1.ts = t2.ts");
ASSERT_TRUE(run());
bind(
"SELECT t1.c1, t2.c1 FROM st1s1 t1 join st1s2 t2 on t1.ts = t2.ts where t1.c1 > t2.c1 and t1.c2 = 'abc' and "
"t2.c2 = 'qwe'");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectGroupBy) {
setDatabase("root", "test");
bind("SELECT count(*) FROM t1");
ASSERT_TRUE(run());
bind("SELECT c1, max(c3), min(c3), count(*) FROM t1 GROUP BY c1");
ASSERT_TRUE(run());
bind("SELECT c1 + c3, c1 + count(*) FROM t1 where c2 = 'abc' GROUP BY c1, c3");
ASSERT_TRUE(run());
bind("SELECT c1 + c3, sum(c4 * c5) FROM t1 where concat(c2, 'wwww') = 'abcwww' GROUP BY c1 + c3");
ASSERT_TRUE(run());
bind("SELECT sum(ceil(c1)) FROM t1 GROUP BY ceil(c1)");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectSubquery) {
setDatabase("root", "test");
bind(
"SELECT count(*) FROM (SELECT c1 + c3 a, c1 + count(*) b FROM t1 where c2 = 'abc' GROUP BY c1, c3) where a > 100 "
"group by b");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectInterval) {
setDatabase("root", "test");
bind("SELECT count(*) FROM t1 interval(10s)");
ASSERT_TRUE(run());
bind("SELECT _wstartts, _wduration, _wendts, count(*) FROM t1 interval(10s)");
ASSERT_TRUE(run());
bind("SELECT count(*) FROM t1 interval(10s) fill(linear)");
ASSERT_TRUE(run());
bind("SELECT count(*), sum(c1) FROM t1 interval(10s) fill(value, 10, 20)");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectSessionWindow) {
setDatabase("root", "test");
bind("SELECT count(*) FROM t1 session(ts, 10s)");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectStateWindow) {
setDatabase("root", "test");
bind("SELECT count(*) FROM t1 state_window(c1)");
ASSERT_TRUE(run());
bind("SELECT count(*) FROM t1 state_window(c1 + 10)");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectPartitionBy) {
setDatabase("root", "test");
bind("SELECT * FROM t1 partition by c1");
ASSERT_TRUE(run());
bind("SELECT count(*) FROM t1 partition by c1");
ASSERT_TRUE(run());
bind("SELECT count(*) FROM t1 partition by c1 group by c2");
ASSERT_TRUE(run());
bind("SELECT count(*) FROM st1 partition by tag1, tag2 interval(10s)");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectOrderBy) {
setDatabase("root", "test");
bind("SELECT c1 FROM t1 order by c1");
ASSERT_TRUE(run());
bind("SELECT c1 FROM t1 order by c2");
ASSERT_TRUE(run());
bind("SELECT * FROM t1 order by c1 + 10, c2");
ASSERT_TRUE(run());
bind("SELECT * FROM t1 order by c1 desc nulls first");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectGroupByOrderBy) {
setDatabase("root", "test");
bind("select count(*), sum(c1) from t1 order by sum(c1)");
ASSERT_TRUE(run());
bind("select count(*), sum(c1) a from t1 order by a");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectDistinct) {
setDatabase("root", "test");
bind("SELECT distinct c1 FROM t1");
ASSERT_TRUE(run());
bind("SELECT distinct c1, c2 + 10 FROM t1");
ASSERT_TRUE(run());
bind("SELECT distinct c1 + 10 a FROM t1 order by a");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectLimit) {
setDatabase("root", "test");
bind("SELECT * FROM t1 limit 2");
ASSERT_TRUE(run());
bind("SELECT * FROM t1 limit 5 offset 2");
ASSERT_TRUE(run());
bind("SELECT * FROM t1 limit 2, 5");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, selectSlimit) {
setDatabase("root", "test");
bind("SELECT * FROM t1 partition by c1 slimit 2");
ASSERT_TRUE(run());
bind("SELECT * FROM t1 partition by c1 slimit 5 soffset 2");
ASSERT_TRUE(run());
bind("SELECT * FROM t1 partition by c1 slimit 2, 5");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, showTables) {
setDatabase("root", "test");
bind("show tables");
ASSERT_TRUE(run());
setDatabase("root", "information_schema");
bind("show tables");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, showStables) {
setDatabase("root", "test");
bind("show stables");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, createTopic) {
setDatabase("root", "test");
bind("create topic tp as SELECT * FROM st1");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, createStream) {
setDatabase("root", "test");
bind(
"create stream if not exists s1 trigger window_close watermark 10s into st1 as select count(*) from t1 "
"interval(10s)");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, createSmaIndex) {
setDatabase("root", "test");
bind("create sma index index1 on t1 function(max(c1), min(c3 + 10), sum(c4)) INTERVAL(10s)");
ASSERT_TRUE(run());
}
TEST_F(PlannerTest, explain) {
setDatabase("root", "test");
bind("explain SELECT * FROM t1");
ASSERT_TRUE(run());
bind("explain analyze SELECT * FROM t1");
ASSERT_TRUE(run());
bind("explain analyze verbose true ratio 0.01 SELECT * FROM t1");
ASSERT_TRUE(run());
}