提交 0271413a 编写于 作者: H Haojun Liao

[td-13039] refactor.

上级 61b351a1
......@@ -295,19 +295,8 @@ typedef struct SMultiFunctionsDesc {
int32_t getResultDataInfo(int32_t dataType, int32_t dataBytes, int32_t functionId, int32_t param, SResultDataInfo* pInfo, int16_t extLength,
bool isSuperTable);
/**
* If the given name is a valid built-in sql function, the value of true will be returned.
* @param name
* @param len
* @return
*/
int32_t qIsBuiltinFunction(const char* name, int32_t len, bool* scalarFunction);
bool qIsValidUdf(SArray* pUdfInfo, const char* name, int32_t len, int32_t* functionId);
bool qIsAggregateFunction(const char* functionName);
bool qIsSelectivityFunction(const char* functionName);
tExprNode* exprTreeFromBinary(const void* data, size_t size);
void extractFunctionDesc(SArray* pFunctionIdList, SMultiFunctionsDesc* pDesc);
......
......@@ -328,7 +328,7 @@ typedef struct SOperatorInfo {
char* name; // name, used to show the query execution plan
void* info; // extension attribution
SExprInfo* pExpr;
STaskRuntimeEnv* pRuntimeEnv; // todo remove it
STaskRuntimeEnv* pRuntimeEnv; // todo remove it
SExecTaskInfo* pTaskInfo;
SOperatorCostInfo cost;
......@@ -515,7 +515,9 @@ typedef struct SAggOperatorInfo {
typedef struct SProjectOperatorInfo {
SOptrBasicInfo binfo;
SSDataBlock* existDataBlock;
SSDataBlock *existDataBlock;
int32_t threshold;
bool hasVarCol;
} SProjectOperatorInfo;
typedef struct SLimitOperatorInfo {
......@@ -646,16 +648,17 @@ SOperatorInfo* createExchangeOperatorInfo(const SNodeList* pSources, SSDataBlock
SOperatorInfo* createTableScanOperatorInfo(void* pTsdbReadHandle, int32_t order, int32_t numOfOutput,
int32_t repeatTime, int32_t reverseTime, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createTableSeqScanOperatorInfo(void* pTsdbReadHandle, STaskRuntimeEnv* pRuntimeEnv);
SOperatorInfo* createAggregateOperatorInfo(SOperatorInfo* downstream, SArray* pExprInfo, SSDataBlock* pResultBlock, SExecTaskInfo* pTaskInfo, const STableGroupInfo* pTableGroupInfo);
SOperatorInfo* createMultiTableAggOperatorInfo(SOperatorInfo* downstream, SArray* pExprInfo, SSDataBlock* pResultBlock, SExecTaskInfo* pTaskInfo, const STableGroupInfo* pTableGroupInfo);
SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SArray* pExprInfo, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createOrderOperatorInfo(SOperatorInfo* downstream, SArray* pExprInfo, SArray* pOrderVal, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createSortedMergeOperatorInfo(SOperatorInfo** downstream, int32_t numOfDownstream, SArray* pExprInfo, SArray* pOrderVal, SArray* pGroupInfo, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createAggregateOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SSDataBlock* pResultBlock,
SExecTaskInfo* pTaskInfo, const STableGroupInfo* pTableGroupInfo);
SOperatorInfo* createMultiTableAggOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SSDataBlock* pResBlock, SExecTaskInfo* pTaskInfo, const STableGroupInfo* pTableGroupInfo);
SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t num, SSDataBlock* pResBlock, SExecTaskInfo* pTaskInfo);
SOperatorInfo *createOrderOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SArray* pOrderVal, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createSortedMergeOperatorInfo(SOperatorInfo** downstream, int32_t numOfDownstream, SExprInfo* pExprInfo, int32_t num, SArray* pOrderVal, SArray* pGroupInfo, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createSysTableScanOperatorInfo(void* pSysTableReadHandle, const SArray* pExprInfo, const SSchema* pSchema,
int32_t tableType, SEpSet epset, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createLimitOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream);
SOperatorInfo* createIntervalOperatorInfo(SOperatorInfo* downstream, SArray* pExprInfo, SInterval* pInterval, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createIntervalOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SInterval* pInterval, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createLimitOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream);
......
......@@ -55,8 +55,7 @@ typedef struct SDummyInputInfo {
SSDataBlock* pBlock;
} SDummyInputInfo;
SSDataBlock* getDummyBlock(void* param, bool* newgroup) {
SOperatorInfo* pOperator = static_cast<SOperatorInfo*>(param);
SSDataBlock* getDummyBlock(SOperatorInfo* pOperator, bool* newgroup) {
SDummyInputInfo* pInfo = static_cast<SDummyInputInfo*>(pOperator->info);
if (pInfo->current >= pInfo->totalPages) {
return NULL;
......@@ -122,8 +121,7 @@ SSDataBlock* getDummyBlock(void* param, bool* newgroup) {
return pBlock;
}
SSDataBlock* get2ColsDummyBlock(void* param, bool* newgroup) {
SOperatorInfo* pOperator = static_cast<SOperatorInfo*>(param);
SSDataBlock* get2ColsDummyBlock(SOperatorInfo* pOperator, bool* newgroup) {
SDummyInputInfo* pInfo = static_cast<SDummyInputInfo*>(pOperator->info);
if (pInfo->current >= pInfo->totalPages) {
return NULL;
......
......@@ -46,13 +46,6 @@ extern SAggFunctionInfo aggFunc[35];
#define DATA_SET_FLAG ',' // to denote the output area has data, not null value
#define DATA_SET_FLAG_SIZE sizeof(DATA_SET_FLAG)
#define TOP_BOTTOM_QUERY_LIMIT 100
#define QUERY_IS_STABLE_QUERY(type) (((type)&TSDB_QUERY_TYPE_STABLE_QUERY) != 0)
#define QUERY_IS_JOIN_QUERY(type) (TSDB_QUERY_HAS_TYPE(type, TSDB_QUERY_TYPE_JOIN_QUERY))
#define QUERY_IS_PROJECTION_QUERY(type) (((type)&TSDB_QUERY_TYPE_PROJECTION_QUERY) != 0)
#define QUERY_IS_FREE_RESOURCE(type) (((type)&TSDB_QUERY_TYPE_FREE_RESOURCE) != 0)
typedef struct SInterpInfoDetail {
TSKEY ts; // interp specified timestamp
int8_t type;
......@@ -61,9 +54,6 @@ typedef struct SInterpInfoDetail {
#define GET_ROWCELL_INTERBUF(_c) ((void*) ((char*)(_c) + sizeof(SResultRowEntryInfo)))
#define IS_STREAM_QUERY_VALID(x) (((x)&TSDB_FUNCSTATE_STREAM) != 0)
#define IS_MULTIOUTPUT(x) (((x)&TSDB_FUNCSTATE_MO) != 0)
typedef struct STwaInfo {
int8_t hasResult; // flag to denote has value
double dOutput;
......@@ -71,8 +61,6 @@ typedef struct STwaInfo {
STimeWindow win;
} STwaInfo;
extern int32_t functionCompatList[]; // compatible check array list
bool topbot_datablock_filter(SqlFunctionCtx *pCtx, const char *minval, const char *maxval);
/**
......
#include "os.h"
#include "tarray.h"
#include "function.h"
#include "thash.h"
#include "taggfunction.h"
static SHashObj* functionHashTable = NULL;
static SHashObj* udfHashTable = NULL;
static void doInitFunctionHashTable() {
int numOfEntries = tListLen(aggFunc);
functionHashTable = taosHashInit(numOfEntries, MurmurHash3_32, false, false);
for (int32_t i = 0; i < numOfEntries; i++) {
int32_t len = (uint32_t)strlen(aggFunc[i].name);
SAggFunctionInfo* ptr = &aggFunc[i];
taosHashPut(functionHashTable, aggFunc[i].name, len, (void*)&ptr, POINTER_BYTES);
}
/*
numOfEntries = tListLen(scalarFunc);
for(int32_t i = 0; i < numOfEntries; ++i) {
int32_t len = (int32_t) strlen(scalarFunc[i].name);
SScalarFunctionInfo* ptr = &scalarFunc[i];
taosHashPut(functionHashTable, scalarFunc[i].name, len, (void*)&ptr, POINTER_BYTES);
}
*/
udfHashTable = taosHashInit(numOfEntries, MurmurHash3_32, true, true);
}
static pthread_once_t functionHashTableInit = PTHREAD_ONCE_INIT;
int32_t qIsBuiltinFunction(const char* name, int32_t len, bool* scalarFunction) {
pthread_once(&functionHashTableInit, doInitFunctionHashTable);
SAggFunctionInfo** pInfo = taosHashGet(functionHashTable, name, len);
if (pInfo != NULL) {
*scalarFunction = ((*pInfo)->type == FUNCTION_TYPE_SCALAR);
return (*pInfo)->functionId;
} else {
return -1;
}
}
bool qIsValidUdf(SArray* pUdfInfo, const char* name, int32_t len, int32_t* functionId) {
return true;
}
bool qIsAggregateFunction(const char* functionName) {
assert(functionName != NULL);
bool scalarfunc = false;
qIsBuiltinFunction(functionName, strlen(functionName), &scalarfunc);
return !scalarfunc;
}
bool qIsSelectivityFunction(const char* functionName) {
assert(functionName != NULL);
pthread_once(&functionHashTableInit, doInitFunctionHashTable);
size_t len = strlen(functionName);
SAggFunctionInfo** pInfo = taosHashGet(functionHashTable, functionName, len);
if (pInfo != NULL) {
return ((*pInfo)->status | FUNCSTATE_SELECTIVITY) != 0;
}
return false;
}
SAggFunctionInfo* qGetFunctionInfo(const char* name, int32_t len) {
pthread_once(&functionHashTableInit, doInitFunctionHashTable);
SAggFunctionInfo** pInfo = taosHashGet(functionHashTable, name, len);
if (pInfo != NULL) {
return (*pInfo);
} else {
return NULL;
}
}
void qAddUdfInfo(uint64_t id, SUdfInfo* pUdfInfo) {
int32_t len = (uint32_t)strlen(pUdfInfo->name);
taosHashPut(udfHashTable, pUdfInfo->name, len, (void*)&pUdfInfo, POINTER_BYTES);
}
void qRemoveUdfInfo(uint64_t id, SUdfInfo* pUdfInfo) {
int32_t len = (uint32_t)strlen(pUdfInfo->name);
taosHashRemove(udfHashTable, pUdfInfo->name, len);
}
bool isTagsQuery(SArray* pFunctionIdList) {
int32_t num = (int32_t) taosArrayGetSize(pFunctionIdList);
for (int32_t i = 0; i < num; ++i) {
char* f = *(char**) taosArrayGet(pFunctionIdList, i);
// todo handle count(tbname) query
if (strcmp(f, "project") != 0 && strcmp(f, "count") != 0) {
return false;
}
// "select count(tbname)" query
// if (functId == FUNCTION_COUNT && pExpr->base.colpDesc->colId == TSDB_TBNAME_COLUMN_INDEX) {
// continue;
// }
}
return true;
}
//bool tscMultiRoundQuery(SArray* pFunctionIdList, int32_t index) {
// if (!UTIL_TABLE_IS_SUPER_TABLE(pQueryInfo->pTableMetaInfo[index])) {
// return false;
// }
//
// size_t numOfExprs = (int32_t) getNumOfExprs(pQueryInfo);
// for(int32_t i = 0; i < numOfExprs; ++i) {
// SExprInfo* pExpr = getExprInfo(pQueryInfo, i);
// if (pExpr->base.functionId == FUNCTION_STDDEV_DST) {
// return true;
// }
// }
//
// return false;
//}
bool isProjectionQuery(SArray* pFunctionIdList) {
int32_t num = (int32_t) taosArrayGetSize(pFunctionIdList);
for (int32_t i = 0; i < num; ++i) {
char* f = *(char**) taosArrayGet(pFunctionIdList, i);
if (strcmp(f, "project") == 0) {
return true;
}
}
return false;
}
bool isDiffDerivativeQuery(SArray* pFunctionIdList) {
int32_t num = (int32_t) taosArrayGetSize(pFunctionIdList);
for (int32_t i = 0; i < num; ++i) {
int32_t f = *(int16_t*) taosArrayGet(pFunctionIdList, i);
if (f == FUNCTION_TS_DUMMY) {
continue;
}
if (f == FUNCTION_DIFF || f == FUNCTION_DERIVATIVE) {
return true;
}
}
return false;
}
bool isInterpQuery(SArray* pFunctionIdList) {
int32_t num = (int32_t) taosArrayGetSize(pFunctionIdList);
for (int32_t i = 0; i < num; ++i) {
int32_t f = *(int16_t*) taosArrayGet(pFunctionIdList, i);
if (f == FUNCTION_TAG || f == FUNCTION_TS) {
continue;
}
if (f != FUNCTION_INTERP) {
return false;
}
}
return true;
}
bool isArithmeticQueryOnAggResult(SArray* pFunctionIdList) {
if (isProjectionQuery(pFunctionIdList)) {
return false;
}
assert(0);
// size_t numOfOutput = getNumOfFields(pQueryInfo);
// for(int32_t i = 0; i < numOfOutput; ++i) {
// SExprInfo* pExprInfo = tscFieldInfoGetInternalField(&pQueryInfo->fieldsInfo, i)->pExpr;
// if (pExprInfo->pExpr != NULL) {
// return true;
// }
// }
return false;
}
bool isGroupbyColumn(SGroupbyExpr* pGroupby) {
return !pGroupby->groupbyTag;
}
bool isTopBotQuery(SArray* pFunctionIdList) {
int32_t num = (int32_t) taosArrayGetSize(pFunctionIdList);
for (int32_t i = 0; i < num; ++i) {
char* f = *(char**) taosArrayGet(pFunctionIdList, i);
if (strcmp(f, "project") == 0) {
continue;
}
if (strcmp(f, "top") == 0 || strcmp(f, "bottom") == 0) {
return true;
}
}
return false;
}
bool isTsCompQuery(SArray* pFunctionIdList) {
int32_t num = (int32_t) taosArrayGetSize(pFunctionIdList);
if (num != 1) {
return false;
}
int32_t f = *(int16_t*) taosArrayGet(pFunctionIdList, 0);
return f == FUNCTION_TS_COMP;
}
bool isTWAQuery(SArray* pFunctionIdList) {
int32_t num = (int32_t) taosArrayGetSize(pFunctionIdList);
for (int32_t i = 0; i < num; ++i) {
int32_t f = *(int16_t*) taosArrayGet(pFunctionIdList, i);
if (f == FUNCTION_TWA) {
return true;
}
}
return false;
}
bool isIrateQuery(SArray* pFunctionIdList) {
int32_t num = (int32_t) taosArrayGetSize(pFunctionIdList);
for (int32_t i = 0; i < num; ++i) {
int32_t f = *(int16_t*) taosArrayGet(pFunctionIdList, i);
if (f == FUNCTION_IRATE) {
return true;
}
}
return false;
}
bool isStabledev(SArray* pFunctionIdList) {
int32_t num = (int32_t) taosArrayGetSize(pFunctionIdList);
for (int32_t i = 0; i < num; ++i) {
int32_t f = *(int16_t*) taosArrayGet(pFunctionIdList, i);
if (f == FUNCTION_STDDEV_DST) {
return true;
}
}
return false;
}
bool needReverseScan(SArray* pFunctionIdList) {
assert(0);
int32_t num = (int32_t) taosArrayGetSize(pFunctionIdList);
for (int32_t i = 0; i < num; ++i) {
int32_t f = *(int16_t*) taosArrayGet(pFunctionIdList, i);
if (f == FUNCTION_TS || f == FUNCTION_TS_DUMMY || f == FUNCTION_TAG) {
continue;
}
// if ((f == FUNCTION_FIRST || f == FUNCTION_FIRST_DST) && pQueryInfo->order.order == TSDB_ORDER_DESC) {
// return true;
// }
if (f == FUNCTION_LAST || f == FUNCTION_LAST_DST) {
// the scan order to acquire the last result of the specified column
// int32_t order = (int32_t)pExpr->base.param[0].i64;
// if (order != pQueryInfo->order.order) {
// return true;
// }
}
}
return false;
}
bool isAgg(SArray* pFunctionIdList) {
size_t size = taosArrayGetSize(pFunctionIdList);
for (int32_t i = 0; i < size; ++i) {
char* f = *(char**) taosArrayGet(pFunctionIdList, i);
if (strcmp(f, "project") == 0) {
return false;
}
if (qIsAggregateFunction(f)) {
return true;
}
}
return false;
}
bool isBlockDistQuery(SArray* pFunctionIdList) {
int32_t num = (int32_t) taosArrayGetSize(pFunctionIdList);
char* f = *(char**) taosArrayGet(pFunctionIdList, 0);
return (num == 1 && strcmp(f, "block_dist") == 0);
}
bool isTwoStageSTableQuery(SArray* pFunctionIdList, int32_t tableIndex) {
// if (pQueryInfo == NULL) {
// return false;
// }
//
// STableMetaInfo* pTableMetaInfo = tscGetMetaInfo(pQueryInfo, tableIndex);
// if (pTableMetaInfo == NULL) {
// return false;
// }
//
// if ((pQueryInfo->type & TSDB_QUERY_TYPE_FREE_RESOURCE) == TSDB_QUERY_TYPE_FREE_RESOURCE) {
// return false;
// }
//
// // for ordered projection query, iterate all qualified vnodes sequentially
// if (tscNonOrderedProjectionQueryOnSTable(pQueryInfo, tableIndex)) {
// return false;
// }
//
// if (!TSDB_QUERY_HAS_TYPE(pQueryInfo->type, TSDB_QUERY_TYPE_STABLE_SUBQUERY) && pQueryInfo->command == TSDB_SQL_SELECT) {
// return UTIL_TABLE_IS_SUPER_TABLE(pTableMetaInfo);
// }
return false;
}
bool isProjectionQueryOnSTable(SArray* pFunctionIdList, int32_t tableIndex) {
// STableMetaInfo* pTableMetaInfo = tscGetMetaInfo(pQueryInfo, tableIndex);
//
// /*
// * In following cases, return false for non ordered project query on super table
// * 1. failed to get tableMeta from server; 2. not a super table; 3. limitation is 0;
// * 4. show queries, instead of a select query
// */
// size_t numOfExprs = getNumOfExprs(pQueryInfo);
// if (pTableMetaInfo == NULL || !UTIL_TABLE_IS_SUPER_TABLE(pTableMetaInfo) ||
// pQueryInfo->command == TSDB_SQL_RETRIEVE_EMPTY_RESULT || numOfExprs == 0) {
// return false;
// }
//
// for (int32_t i = 0; i < numOfExprs; ++i) {
// int32_t functionId = getExprInfo(pQueryInfo, i)->base.functionId;
//
// if (functionId < 0) {
// SUdfInfo* pUdfInfo = taosArrayGet(pQueryInfo->pUdfInfo, -1 * functionId - 1);
// if (pUdfInfo->funcType == TSDB_FUNC_TYPE_AGGREGATE) {
// return false;
// }
//
// continue;
// }
//
// if (functionId != FUNCTION_PRJ &&
// functionId != FUNCTION_TAGPRJ &&
// functionId != FUNCTION_TAG &&
// functionId != FUNCTION_TS &&
// functionId != FUNCTION_ARITHM &&
// functionId != FUNCTION_TS_COMP &&
// functionId != FUNCTION_DIFF &&
// functionId != FUNCTION_DERIVATIVE &&
// functionId != FUNCTION_TS_DUMMY &&
// functionId != FUNCTION_TID_TAG) {
// return false;
// }
// }
return true;
}
bool hasTagValOutput(SArray* pFunctionIdList) {
size_t size = taosArrayGetSize(pFunctionIdList);
// if (numOfExprs == 1 && pExpr1->base.functionId == FUNCTION_TS_COMP) {
// return true;
// }
for (int32_t i = 0; i < size; ++i) {
int32_t functionId = *(int16_t*) taosArrayGet(pFunctionIdList, i);
// ts_comp column required the tag value for join filter
if (functionId == FUNCTION_TAG || functionId == FUNCTION_TAGPRJ) {
return true;
}
}
return false;
}
//bool timeWindowInterpoRequired(SArray* pFunctionIdList) {
// int32_t num = (int32_t) taosArrayGetSize(pFunctionIdList);
// for (int32_t i = 0; i < num; ++i) {
// int32_t f = *(int16_t*) taosArrayGet(pFunctionIdList, i);
// if (f == FUNCTION_TWA || f == FUNCTION_INTERP) {
// return true;
// }
// }
//
// return false;
//}
void extractFunctionDesc(SArray* pFunctionIdList, SMultiFunctionsDesc* pDesc) {
assert(pFunctionIdList != NULL);
pDesc->blockDistribution = isBlockDistQuery(pFunctionIdList);
if (pDesc->blockDistribution) {
return;
}
// pDesc->projectionQuery = isProjectionQuery(pFunctionIdList);
// pDesc->onlyTagQuery = isTagsQuery(pFunctionIdList);
pDesc->interpQuery = isInterpQuery(pFunctionIdList);
pDesc->topbotQuery = isTopBotQuery(pFunctionIdList);
pDesc->agg = isAgg(pFunctionIdList);
}
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