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fix: add left join case

This commit is contained in:
dapan1121 2023-12-14 17:06:19 +08:00
parent 6d24c08651
commit e55b7c52d8
6 changed files with 270 additions and 57 deletions
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19
source/common/src/tdatablock.c
View File

@ -191,26 +191,29 @@ static int32_t doCopyNItems(struct SColumnInfoData* pColumnInfoData, int32_t cur
}
size_t start = 1;
// the first item
memcpy(pColumnInfoData->pData, pData, itemLen);
int32_t t = 0;
int32_t count = log(numOfRows) / log(2);
uint32_t startOffset = (IS_VAR_DATA_TYPE(pColumnInfoData->info.type)) ? pColumnInfoData->varmeta.length : (currentRow * itemLen);
// the first item
memcpy(pColumnInfoData->pData + startOffset, pData, itemLen);
while (t < count) {
int32_t xlen = 1 << t;
memcpy(pColumnInfoData->pData + start * itemLen + pColumnInfoData->varmeta.length, pColumnInfoData->pData,
memcpy(pColumnInfoData->pData + start * itemLen + startOffset,
pColumnInfoData->pData + startOffset,
xlen * itemLen);
t += 1;
start += xlen;
}
// the tail part
if (numOfRows > start) {
memcpy(pColumnInfoData->pData + start * itemLen + currentRow * itemLen, pColumnInfoData->pData,
memcpy(pColumnInfoData->pData + start * itemLen + startOffset,
pColumnInfoData->pData + startOffset,
(numOfRows - start) * itemLen);
}
if (IS_VAR_DATA_TYPE(pColumnInfoData->info.type)) {
for (int32_t i = 0; i < numOfRows; ++i) {
pColumnInfoData->varmeta.offset[i + currentRow] = pColumnInfoData->varmeta.length + i * itemLen;

13
source/libs/executor/inc/mergejoin.h
View File

@ -191,15 +191,18 @@ typedef struct SMJoinOperatorInfo {
#define GRP_REMAIN_ROWS(_grp) ((_grp)->endIdx - (_grp)->readIdx + 1)
#define GRP_DONE(_grp) ((_grp)->readIdx > (_grp)->endIdx)
#define MJOIN_TB_ROWS_DONE(_tb) ((_tb)->blkRowIdx >= (_tb)->blk->info.rows)
#define MJOIN_PROBE_TB_ROWS_DONE(_tb) ((_tb)->blkRowIdx >= (_tb)->blk->info.rows)
#define MJOIN_BUILD_TB_ROWS_DONE(_tb) ((NULL == (_tb)->blk) || ((_tb)->blkRowIdx >= (_tb)->blk->info.rows))
#define BLK_IS_FULL(_blk) ((_blk)->info.rows == (_blk)->info.capacity)
#define MJOIN_GET_TB_COL_TS(_col, _ts, _tb) \
do { \
(_col) = taosArrayGet((_tb)->blk->pDataBlock, (_tb)->primCol->srcSlot); \
(_ts) = *((int64_t*)(_col)->pData + (_tb)->blkRowIdx); \
#define MJOIN_GET_TB_COL_TS(_col, _ts, _tb) \
do { \
if (NULL != (_tb)->blk) { \
(_col) = taosArrayGet((_tb)->blk->pDataBlock, (_tb)->primCol->srcSlot); \
(_ts) = *((int64_t*)(_col)->pData + (_tb)->blkRowIdx); \
} \
} while (0)
#define MJOIN_GET_TB_CUR_TS(_col, _ts, _tb) \

104
source/libs/executor/src/mergejoinoperator.c
View File

@ -61,28 +61,37 @@ static int32_t mJoinInitPrimKeyInfo(SMJoinTableCtx* pTable, int32_t slotId) {
return TSDB_CODE_SUCCESS;
}
static int32_t mJoinInitKeyColsInfo(SMJoinTableCtx* pTable, SNodeList* pList) {
pTable->keyNum = LIST_LENGTH(pList);
static int32_t mJoinInitColsInfo(int32_t* colNum, int64_t* rowSize, SMJoinColInfo** pCols, SNodeList* pList) {
*colNum = LIST_LENGTH(pList);
pTable->keyCols = taosMemoryMalloc(pTable->keyNum * sizeof(SMJoinColInfo));
if (NULL == pTable->keyCols) {
*pCols = taosMemoryMalloc((*colNum) * sizeof(SMJoinColInfo));
if (NULL == *pCols) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int64_t bufSize = 0;
*rowSize = 0;
int32_t i = 0;
SNode* pNode = NULL;
FOREACH(pNode, pList) {
SColumnNode* pColNode = (SColumnNode*)pNode;
pTable->keyCols[i].srcSlot = pColNode->slotId;
pTable->keyCols[i].vardata = IS_VAR_DATA_TYPE(pColNode->node.resType.type);
pTable->keyCols[i].bytes = pColNode->node.resType.bytes;
bufSize += pColNode->node.resType.bytes;
(*pCols)[i].srcSlot = pColNode->slotId;
(*pCols)[i].vardata = IS_VAR_DATA_TYPE(pColNode->node.resType.type);
(*pCols)[i].bytes = pColNode->node.resType.bytes;
*rowSize += pColNode->node.resType.bytes;
++i;
}
return TSDB_CODE_SUCCESS;
}
static int32_t mJoinInitKeyColsInfo(SMJoinTableCtx* pTable, SNodeList* pList) {
int64_t rowSize = 0;
MJ_ERR_RET(mJoinInitColsInfo(&pTable->keyNum, &rowSize, &pTable->keyCols, pList));
if (pTable->keyNum > 1) {
pTable->keyBuf = taosMemoryMalloc(bufSize);
pTable->keyBuf = taosMemoryMalloc(rowSize);
if (NULL == pTable->keyBuf) {
return TSDB_CODE_OUT_OF_MEMORY;
}
@ -91,27 +100,44 @@ static int32_t mJoinInitKeyColsInfo(SMJoinTableCtx* pTable, SNodeList* pList) {
return TSDB_CODE_SUCCESS;
}
static int32_t mJoinInitColsMap(int32_t* colNum, SMJoinColMap** pCols, int32_t blkId, SNodeList* pList) {
*pCols = taosMemoryMalloc(LIST_LENGTH(pList) * sizeof(SMJoinColMap));
if (NULL == *pCols) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t i = 0;
SNode* pNode = NULL;
FOREACH(pNode, pList) {
STargetNode* pTarget = (STargetNode*)pNode;
SColumnNode* pColumn = (SColumnNode*)pTarget->pExpr;
if (pColumn->dataBlockId == blkId) {
(*pCols)[i].srcSlot = pColumn->slotId;
(*pCols)[i].dstSlot = pTarget->slotId;
++i;
}
}
*colNum = i;
return TSDB_CODE_SUCCESS;
}
static int32_t mJoinInitTableInfo(SMJoinOperatorInfo* pJoin, SSortMergeJoinPhysiNode* pJoinNode, SOperatorInfo** pDownstream, int32_t idx, SQueryStat* pStat) {
SMJoinTableCtx* pTable = &pJoin->tbs[idx];
pTable->downStream = pDownstream[idx];
pTable->blkId = pDownstream[idx]->resultDataBlockId;
int32_t code = mJoinInitPrimKeyInfo(pTable, (0 == idx) ? pJoinNode->leftPrimSlotId : pJoinNode->rightPrimSlotId);
if (code) {
return code;
}
code = mJoinInitKeyColsInfo(pTable, (0 == idx) ? pJoinNode->pEqLeft : pJoinNode->pEqRight);
if (code) {
return code;
}
/*
code = mJoinInitValColsInfo(pTable, pJoinNode->pTargets);
if (code) {
return code;
}
*/
MJ_ERR_RET(mJoinInitPrimKeyInfo(pTable, (0 == idx) ? pJoinNode->leftPrimSlotId : pJoinNode->rightPrimSlotId));
MJ_ERR_RET(mJoinInitKeyColsInfo(pTable, (0 == idx) ? pJoinNode->pEqLeft : pJoinNode->pEqRight));
MJ_ERR_RET(mJoinInitColsMap(&pTable->finNum, &pTable->finCols, pTable->blkId, pJoinNode->pTargets));
memcpy(&pTable->inputStat, pStat, sizeof(*pStat));
pTable->eqGrps = taosArrayInit(8, sizeof(SMJoinGrpRows));
taosArrayReserve(pTable->eqGrps, 1);
if (E_JOIN_TB_BUILD == pTable->type) {
pTable->createdBlks = taosArrayInit(8, POINTER_BYTES);
pTable->pGrpArrays = taosArrayInit(32, POINTER_BYTES);
@ -167,6 +193,7 @@ static void mJoinSetBuildAndProbeTable(SMJoinOperatorInfo* pInfo, SSortMergeJoin
static int32_t mJoinInitMergeCtx(SMJoinOperatorInfo* pJoin, SSortMergeJoinPhysiNode* pJoinNode) {
SMJoinMergeCtx* pCtx = &pJoin->ctx.mergeCtx;
pCtx->pJoin = pJoin;
pCtx->lastEqTs = INT64_MIN;
pCtx->hashCan = pJoin->probe->keyNum > 0;
@ -984,14 +1011,14 @@ static SSDataBlock* mLeftJoinDo(struct SOperatorInfo* pOperator) {
return pCtx->finBlk;
}
if (MJOIN_TB_ROWS_DONE(pJoin->probe)) {
if (MJOIN_PROBE_TB_ROWS_DONE(pJoin->probe)) {
continue;
} else {
MJOIN_GET_TB_CUR_TS(pProbeCol, probeTs, pJoin->probe);
}
}
while (!MJOIN_TB_ROWS_DONE(pJoin->probe) && !MJOIN_TB_ROWS_DONE(pJoin->build)) {
while (!MJOIN_PROBE_TB_ROWS_DONE(pJoin->probe) && !MJOIN_BUILD_TB_ROWS_DONE(pJoin->build)) {
if (probeTs == buildTs) {
pCtx->lastEqTs = probeTs;
MJ_ERR_JRET(mLeftJoinProcessEqualGrp(pCtx, probeTs, false));
@ -999,9 +1026,10 @@ static SSDataBlock* mLeftJoinDo(struct SOperatorInfo* pOperator) {
return pCtx->finBlk;
}
MJOIN_GET_TB_CUR_TS(pBuildCol, buildTs, pJoin->build);
MJOIN_GET_TB_CUR_TS(pProbeCol, probeTs, pJoin->probe);
MJOIN_GET_TB_COL_TS(pBuildCol, buildTs, pJoin->build);
MJOIN_GET_TB_COL_TS(pProbeCol, probeTs, pJoin->probe);
} else if (LEFT_JOIN_NO_EQUAL(asc, probeTs, buildTs)) {
pCtx->probeNEqGrp.blk = pJoin->probe->blk;
pCtx->probeNEqGrp.beginIdx = pJoin->probe->blkRowIdx;
pCtx->probeNEqGrp.readIdx = pCtx->probeNEqGrp.beginIdx;
pCtx->probeNEqGrp.endIdx = pCtx->probeNEqGrp.beginIdx;
@ -1031,6 +1059,20 @@ static SSDataBlock* mLeftJoinDo(struct SOperatorInfo* pOperator) {
}
}
}
if (!MJOIN_PROBE_TB_ROWS_DONE(pJoin->probe)) {
pCtx->probeNEqGrp.blk = pJoin->probe->blk;
pCtx->probeNEqGrp.beginIdx = pJoin->probe->blkRowIdx;
pCtx->probeNEqGrp.readIdx = pCtx->probeNEqGrp.beginIdx;
pCtx->probeNEqGrp.endIdx = pJoin->probe->blk->info.rows - 1;
pJoin->probe->blkRowIdx = pJoin->probe->blk->info.rows;
MJ_ERR_JRET(mLeftJoinNonEqCart(pCtx));
if (pCtx->finBlk->info.rows >= pCtx->blkThreshold) {
return pCtx->finBlk;
}
}
} while (true);
_return:
@ -1147,9 +1189,7 @@ SOperatorInfo* createMergeJoinOperatorInfo(SOperatorInfo** pDownstream, int32_t
mJoinInitTableInfo(pInfo, pJoinNode, pDownstream, 0, &pJoinNode->inputStat[0]);
mJoinInitTableInfo(pInfo, pJoinNode, pDownstream, 1, &pJoinNode->inputStat[1]);
MJ_ERR_JRET(mJoinInitCtx(pInfo, pJoinNode));
if (pJoinNode->pFullOnCond != NULL) {
MJ_ERR_JRET(filterInitFromNode(pJoinNode->pFullOnCond, &pInfo->pFPreFilter, 0));
}
@ -1162,6 +1202,8 @@ SOperatorInfo* createMergeJoinOperatorInfo(SOperatorInfo** pDownstream, int32_t
MJ_ERR_JRET(filterInitFromNode(pJoinNode->node.pConditions, &pInfo->pFinFilter, 0));
}
MJ_ERR_JRET(mJoinInitCtx(pInfo, pJoinNode));
if (pJoinNode->node.inputTsOrder == ORDER_ASC) {
pInfo->inputTsOrder = TSDB_ORDER_ASC;
} else if (pJoinNode->node.inputTsOrder == ORDER_DESC) {

26
source/libs/planner/src/planOptimizer.c
View File

@ -555,7 +555,7 @@ static EDealRes pdcJoinIsCrossTableCond(SNode* pNode, void* pContext) {
}
static ECondAction pdcJoinGetCondAction(SJoinLogicNode* pJoin, SSHashObj* pLeftTbls, SSHashObj* pRightTbls,
SNode* pNode) {
SNode* pNode, bool whereCond) {
EJoinType t = pJoin->joinType;
EJoinSubType s = pJoin->subType;
SCpdIsMultiTableCondCxt cxt = {
@ -564,19 +564,19 @@ static ECondAction pdcJoinGetCondAction(SJoinLogicNode* pJoin, SSHashObj* pLeftT
if (cxt.havaLeftCol) {
if (cxt.haveRightCol) {
if (gJoinOpt[t][s].pushDownFlag & PUSH_DOWN_ON_COND) {
if ((!whereCond) || (gJoinOpt[t][s].pushDownFlag & PUSH_DOWN_ON_COND)) {
return COND_ACTION_PUSH_JOIN;
}
return COND_ACTION_STAY;
}
if (gJoinOpt[t][s].pushDownFlag & PUSH_DOWN_LEFT_FLT) {
if ((!whereCond) || (gJoinOpt[t][s].pushDownFlag & PUSH_DOWN_LEFT_FLT)) {
return COND_ACTION_PUSH_LEFT_CHILD;
}
return COND_ACTION_STAY;
}
if (cxt.haveRightCol) {
if (gJoinOpt[t][s].pushDownFlag & PUSH_DOWN_RIGHT_FLT) {
if ((!whereCond) || (gJoinOpt[t][s].pushDownFlag & PUSH_DOWN_RIGHT_FLT)) {
return COND_ACTION_PUSH_RIGHT_CHILD;
}
return COND_ACTION_STAY;
@ -586,7 +586,7 @@ static ECondAction pdcJoinGetCondAction(SJoinLogicNode* pJoin, SSHashObj* pLeftT
}
static int32_t pdcJoinSplitLogicCond(SJoinLogicNode* pJoin, SNode** pSrcCond, SNode** pOnCond, SNode** pLeftChildCond,
SNode** pRightChildCond) {
SNode** pRightChildCond, bool whereCond) {
SLogicConditionNode* pLogicCond = (SLogicConditionNode*)*pSrcCond;
if (LOGIC_COND_TYPE_AND != pLogicCond->condType) {
return TSDB_CODE_PLAN_NOT_SUPPORT_JOIN_COND;
@ -604,7 +604,7 @@ static int32_t pdcJoinSplitLogicCond(SJoinLogicNode* pJoin, SNode** pSrcCond, SN
SNodeList* pRemainConds = NULL;
SNode* pCond = NULL;
FOREACH(pCond, pLogicCond->pParameterList) {
ECondAction condAction = pdcJoinGetCondAction(pJoin, pLeftTables, pRightTables, pCond);
ECondAction condAction = pdcJoinGetCondAction(pJoin, pLeftTables, pRightTables, pCond, whereCond);
if (COND_ACTION_PUSH_JOIN == condAction && NULL != pOnCond) {
code = nodesListMakeAppend(&pOnConds, nodesCloneNode(pCond));
} else if (COND_ACTION_PUSH_LEFT_CHILD == condAction) {
@ -662,13 +662,13 @@ static int32_t pdcJoinSplitLogicCond(SJoinLogicNode* pJoin, SNode** pSrcCond, SN
}
static int32_t pdcJoinSplitOpCond(SJoinLogicNode* pJoin, SNode** pSrcCond, SNode** pOnCond, SNode** pLeftChildCond,
SNode** pRightChildCond) {
SNode** pRightChildCond, bool whereCond) {
SSHashObj* pLeftTables = NULL;
SSHashObj* pRightTables = NULL;
collectTableAliasFromNodes(nodesListGetNode(pJoin->node.pChildren, 0), &pLeftTables);
collectTableAliasFromNodes(nodesListGetNode(pJoin->node.pChildren, 1), &pRightTables);
ECondAction condAction = pdcJoinGetCondAction(pJoin, pLeftTables, pRightTables, *pSrcCond);
ECondAction condAction = pdcJoinGetCondAction(pJoin, pLeftTables, pRightTables, *pSrcCond, whereCond);
tSimpleHashCleanup(pLeftTables);
tSimpleHashCleanup(pRightTables);
@ -689,11 +689,11 @@ static int32_t pdcJoinSplitOpCond(SJoinLogicNode* pJoin, SNode** pSrcCond, SNode
}
static int32_t pdcJoinSplitCond(SJoinLogicNode* pJoin, SNode** pSrcCond, SNode** pOnCond, SNode** pLeftChildCond,
SNode** pRightChildCond) {
SNode** pRightChildCond, bool whereCond) {
if (QUERY_NODE_LOGIC_CONDITION == nodeType(*pSrcCond)) {
return pdcJoinSplitLogicCond(pJoin, pSrcCond, pOnCond, pLeftChildCond, pRightChildCond);
return pdcJoinSplitLogicCond(pJoin, pSrcCond, pOnCond, pLeftChildCond, pRightChildCond, whereCond);
} else {
return pdcJoinSplitOpCond(pJoin, pSrcCond, pOnCond, pLeftChildCond, pRightChildCond);
return pdcJoinSplitOpCond(pJoin, pSrcCond, pOnCond, pLeftChildCond, pRightChildCond, whereCond);
}
}
@ -1132,7 +1132,7 @@ static int32_t pdcDealJoin(SOptimizeContext* pCxt, SJoinLogicNode* pJoin) {
SNode* pRightChildCond = NULL;
int32_t code = pdcJoinCheckAllCond(pCxt, pJoin);
if (TSDB_CODE_SUCCESS == code && NULL != pJoin->node.pConditions && 0 != gJoinOpt[t][s].pushDownFlag) {
code = pdcJoinSplitCond(pJoin, &pJoin->node.pConditions, &pOnCond, &pLeftChildCond, &pRightChildCond);
code = pdcJoinSplitCond(pJoin, &pJoin->node.pConditions, &pOnCond, &pLeftChildCond, &pRightChildCond, true);
if (TSDB_CODE_SUCCESS == code && NULL != pOnCond) {
code = pdcJoinPushDownOnCond(pCxt, pJoin, &pOnCond);
}
@ -1145,7 +1145,7 @@ static int32_t pdcDealJoin(SOptimizeContext* pCxt, SJoinLogicNode* pJoin) {
}
if (TSDB_CODE_SUCCESS == code) {
code = pdcJoinSplitCond(pJoin, &pJoin->pFullOnCond, NULL, &pLeftChildCond, &pRightChildCond);
code = pdcJoinSplitCond(pJoin, &pJoin->pFullOnCond, NULL, &pLeftChildCond, &pRightChildCond, false);
if (TSDB_CODE_SUCCESS == code && NULL != pLeftChildCond) {
code = pdcPushDownCondToChild(pCxt, (SLogicNode*)nodesListGetNode(pJoin->node.pChildren, 0), &pLeftChildCond);
}

69
tests/script/tsim/join/join.sim Normal file
View File

@ -0,0 +1,69 @@
system sh/stop_dnodes.sh
system sh/deploy.sh -n dnode1 -i 1
system sh/exec.sh -n dnode1 -s start
sql connect
sql drop database if exists test0
sql create database test0 vgroups 3;
sql use test0;
create stable sta (ts timestamp, col1 int) tags(t1 int);
create table tba1 using sta tags(1);
create table tba2 using sta tags(2);
insert into tba1 values ('2023-11-17 16:29:00', 1);
insert into tba1 values ('2023-11-17 16:29:02', 3);
insert into tba1 values ('2023-11-17 16:29:03', 4);
insert into tba1 values ('2023-11-17 16:29:04', 5);
insert into tba2 values ('2023-11-17 16:29:00', 2);
insert into tba2 values ('2023-11-17 16:29:01', 3);
insert into tba2 values ('2023-11-17 16:29:03', 5);
insert into tba2 values ('2023-11-17 16:29:05', 7);
sql drop database if exists testa
sql create database testa vgroups 3;
sql use testa;
sql create table sta1(ts timestamp, f int, g int) tags (t int);
sql insert into cta11 using sta1 tags(1) values('2023-10-16 09:10:11', 100111, 1001110);
sql insert into cta12 using sta1 tags(2) values('2023-10-16 09:10:12', 100112, 1001120);
sql insert into cta13 using sta1 tags(3) values('2023-10-16 09:10:13', 100113, 1001130);
sql insert into cta14 using sta1 tags(4) values('2023-10-16 09:10:14', 100114, 1001140);
sql create table st2(ts timestamp, f int, g int) tags (t int);
sql insert into cta21 using st2 tags(1) values('2023-10-16 09:10:11', 100221, 1002210);
sql insert into cta22 using st2 tags(2) values('2023-10-16 09:10:12', 100222, 1002220);
sql insert into cta23 using st2 tags(3) values('2023-10-16 09:10:13', 100223, 1002230);
sql insert into cta24 using st2 tags(4) values('2023-10-16 09:10:14', 100224, 1002240);
sql create table stt(ts timestamp, f int, g int) tags (t int);
sql create table tt using stt tags(99);
sql create table stv(ts timestamp, h int) tags (t1 int);
sql insert into ctv1 using stv tags(1) values('2023-10-16 10:10:10', 1);
sql drop database if exists testb
sql create database testb vgroups 1;
sql use testb;
sql create table stb1(ts timestamp, f int,g int) tags (t int);
sql insert into ctb11 using stb1 tags(1) values('2023-10-16 09:10:11', 110111, 1101110);
sql insert into ctb12 using stb1 tags(2) values('2023-10-16 09:10:12', 110112, 1101120);
sql insert into ctb13 using stb1 tags(3) values('2023-10-16 09:10:13', 110113, 1101130);
sql insert into ctb14 using stb1 tags(4) values('2023-10-16 09:10:14', 110114, 1101140);
sql create table st2(ts timestamp, f int, g int) tags (t int);
sql insert into ctb21 using st2 tags(1) values('2023-10-16 09:10:11', 110221, 1102210);
sql insert into ctb22 using st2 tags(2) values('2023-10-16 09:10:12', 110222, 1102220);
sql insert into ctb23 using st2 tags(3) values('2023-10-16 09:10:13', 110223, 1102230);
sql insert into ctb24 using st2 tags(4) values('2023-10-16 09:10:14', 110224, 1102240);
run tsim/join/left_join.sim
print ================== restart server to commit data into disk
system sh/exec.sh -n dnode1 -s stop -x SIGINT
system sh/exec.sh -n dnode1 -s start
print ================== server restart completed
run tsim/join/left_join.sim
system sh/exec.sh -n dnode1 -s stop -x SIGINT

96
tests/script/tsim/join/left_join.sim Normal file
View File

@ -0,0 +1,96 @@
sql connect
sql use test0;
sql select a.col1, b.col1 from sta a left join sta b on a.ts = b.ts and a.ts < '2023-11-17 16:29:02' and b.ts < '2023-11-17 16:29:01' order by a.col1, b.col1;
if $rows != 5 then
return -1
endi
if $data00 != 1 then
return -1
endi
if $data01 != 1 then
return -1
endi
if $data10 != 1 then
return -1
endi
if $data11 != 2 then
return -1
endi
if $data20 != 2 then
return -1
endi
if $data21 != 1 then
return -1
endi
if $data30 != 2 then
return -1
endi
if $data31 != 2 then
return -1
endi
if $data40 != 3 then
return -1
endi
if $data41 != NULL then
return -1
endi
sql select a.col1, b.col1 from tba1 a left join tba2 b on a.ts = b.ts order by a.col1, b.col1;
if $rows != 4 then
return -1
endi
if $data00 != 1 then
return -1
endi
if $data01 != 2 then
return -1
endi
if $data10 != 3 then
return -1
endi
if $data11 != NULL then
return -1
endi
if $data20 != 4 then
return -1
endi
if $data21 != 5 then
return -1
endi
if $data30 != 5 then
return -1
endi
if $data31 != NULL then
return -1
endi
sql select a.col1, b.col1 from tba2 a left join tba1 b on a.ts = b.ts order by a.col1, b.col1;
if $rows != 4 then
return -1
endi
if $data00 != 2 then
return -1
endi
if $data01 != 1 then
return -1
endi
if $data10 != 3 then
return -1
endi
if $data11 != NULL then
return -1
endi
if $data20 != 5 then
return -1
endi
if $data21 != 4 then
return -1
endi
if $data30 != 7 then
return -1
endi
if $data31 != NULL then
return -1
endi