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Merge pull request #27540 from taosdata/feat/TS-4893 

feat:[TS-4893] Add random and support use min/max on string column.
This commit is contained in:
Pan Wei 2024-09-10 09:44:40 +08:00 committed by GitHub
parent 99f320b7e0 4a8bbc36bd
commit 03fde71155
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GPG Key ID: B5690EEEBB952194
26 changed files with 5305 additions and 3963 deletions
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223
include/common/ttokendef.h
View File

@ -286,117 +286,118 @@
#define TK_FOR 268
#define TK_NOW 269
#define TK_TODAY 270
#define TK_SUBSTR 271
#define TK_SUBSTRING 272
#define TK_BOTH 273
#define TK_TRAILING 274
#define TK_LEADING 275
#define TK_TIMEZONE 276
#define TK_CLIENT_VERSION 277
#define TK_SERVER_VERSION 278
#define TK_SERVER_STATUS 279
#define TK_CURRENT_USER 280
#define TK_PI 281
#define TK_CASE 282
#define TK_WHEN 283
#define TK_THEN 284
#define TK_ELSE 285
#define TK_BETWEEN 286
#define TK_IS 287
#define TK_NK_LT 288
#define TK_NK_GT 289
#define TK_NK_LE 290
#define TK_NK_GE 291
#define TK_NK_NE 292
#define TK_MATCH 293
#define TK_NMATCH 294
#define TK_CONTAINS 295
#define TK_JOIN 296
#define TK_INNER 297
#define TK_LEFT 298
#define TK_RIGHT 299
#define TK_OUTER 300
#define TK_SEMI 301
#define TK_ANTI 302
#define TK_ASOF 303
#define TK_WINDOW 304
#define TK_WINDOW_OFFSET 305
#define TK_JLIMIT 306
#define TK_SELECT 307
#define TK_NK_HINT 308
#define TK_DISTINCT 309
#define TK_WHERE 310
#define TK_PARTITION 311
#define TK_BY 312
#define TK_SESSION 313
#define TK_STATE_WINDOW 314
#define TK_EVENT_WINDOW 315
#define TK_COUNT_WINDOW 316
#define TK_SLIDING 317
#define TK_FILL 318
#define TK_VALUE 319
#define TK_VALUE_F 320
#define TK_NONE 321
#define TK_PREV 322
#define TK_NULL_F 323
#define TK_LINEAR 324
#define TK_NEXT 325
#define TK_HAVING 326
#define TK_RANGE 327
#define TK_EVERY 328
#define TK_ORDER 329
#define TK_SLIMIT 330
#define TK_SOFFSET 331
#define TK_LIMIT 332
#define TK_OFFSET 333
#define TK_ASC 334
#define TK_NULLS 335
#define TK_ABORT 336
#define TK_AFTER 337
#define TK_ATTACH 338
#define TK_BEFORE 339
#define TK_BEGIN 340
#define TK_BITAND 341
#define TK_BITNOT 342
#define TK_BITOR 343
#define TK_BLOCKS 344
#define TK_CHANGE 345
#define TK_COMMA 346
#define TK_CONCAT 347
#define TK_CONFLICT 348
#define TK_COPY 349
#define TK_DEFERRED 350
#define TK_DELIMITERS 351
#define TK_DETACH 352
#define TK_DIVIDE 353
#define TK_DOT 354
#define TK_EACH 355
#define TK_FAIL 356
#define TK_GLOB 357
#define TK_ID 358
#define TK_IMMEDIATE 359
#define TK_IMPORT 360
#define TK_INITIALLY 361
#define TK_INSTEAD 362
#define TK_ISNULL 363
#define TK_MODULES 364
#define TK_NK_BITNOT 365
#define TK_NK_SEMI 366
#define TK_NOTNULL 367
#define TK_OF 368
#define TK_PLUS 369
#define TK_PRIVILEGE 370
#define TK_RAISE 371
#define TK_RESTRICT 372
#define TK_ROW 373
#define TK_STAR 374
#define TK_STATEMENT 375
#define TK_STRICT 376
#define TK_STRING 377
#define TK_TIMES 378
#define TK_VALUES 379
#define TK_VARIABLE 380
#define TK_WAL 381
#define TK_RAND 271
#define TK_SUBSTR 272
#define TK_SUBSTRING 273
#define TK_BOTH 274
#define TK_TRAILING 275
#define TK_LEADING 276
#define TK_TIMEZONE 277
#define TK_CLIENT_VERSION 278
#define TK_SERVER_VERSION 279
#define TK_SERVER_STATUS 280
#define TK_CURRENT_USER 281
#define TK_PI 282
#define TK_CASE 283
#define TK_WHEN 284
#define TK_THEN 285
#define TK_ELSE 286
#define TK_BETWEEN 287
#define TK_IS 288
#define TK_NK_LT 289
#define TK_NK_GT 290
#define TK_NK_LE 291
#define TK_NK_GE 292
#define TK_NK_NE 293
#define TK_MATCH 294
#define TK_NMATCH 295
#define TK_CONTAINS 296
#define TK_JOIN 297
#define TK_INNER 298
#define TK_LEFT 299
#define TK_RIGHT 300
#define TK_OUTER 301
#define TK_SEMI 302
#define TK_ANTI 303
#define TK_ASOF 304
#define TK_WINDOW 305
#define TK_WINDOW_OFFSET 306
#define TK_JLIMIT 307
#define TK_SELECT 308
#define TK_NK_HINT 309
#define TK_DISTINCT 310
#define TK_WHERE 311
#define TK_PARTITION 312
#define TK_BY 313
#define TK_SESSION 314
#define TK_STATE_WINDOW 315
#define TK_EVENT_WINDOW 316
#define TK_COUNT_WINDOW 317
#define TK_SLIDING 318
#define TK_FILL 319
#define TK_VALUE 320
#define TK_VALUE_F 321
#define TK_NONE 322
#define TK_PREV 323
#define TK_NULL_F 324
#define TK_LINEAR 325
#define TK_NEXT 326
#define TK_HAVING 327
#define TK_RANGE 328
#define TK_EVERY 329
#define TK_ORDER 330
#define TK_SLIMIT 331
#define TK_SOFFSET 332
#define TK_LIMIT 333
#define TK_OFFSET 334
#define TK_ASC 335
#define TK_NULLS 336
#define TK_ABORT 337
#define TK_AFTER 338
#define TK_ATTACH 339
#define TK_BEFORE 340
#define TK_BEGIN 341
#define TK_BITAND 342
#define TK_BITNOT 343
#define TK_BITOR 344
#define TK_BLOCKS 345
#define TK_CHANGE 346
#define TK_COMMA 347
#define TK_CONCAT 348
#define TK_CONFLICT 349
#define TK_COPY 350
#define TK_DEFERRED 351
#define TK_DELIMITERS 352
#define TK_DETACH 353
#define TK_DIVIDE 354
#define TK_DOT 355
#define TK_EACH 356
#define TK_FAIL 357
#define TK_GLOB 358
#define TK_ID 359
#define TK_IMMEDIATE 360
#define TK_IMPORT 361
#define TK_INITIALLY 362
#define TK_INSTEAD 363
#define TK_ISNULL 364
#define TK_MODULES 365
#define TK_NK_BITNOT 366
#define TK_NK_SEMI 367
#define TK_NOTNULL 368
#define TK_OF 369
#define TK_PLUS 370
#define TK_PRIVILEGE 371
#define TK_RAISE 372
#define TK_RESTRICT 373
#define TK_ROW 374
#define TK_STAR 375
#define TK_STATEMENT 376
#define TK_STRICT 377
#define TK_STRING 378
#define TK_TIMES 379
#define TK_VALUES 380
#define TK_VARIABLE 381
#define TK_WAL 382
#define TK_NK_SPACE 600
#define TK_NK_COMMENT 601

2
include/libs/nodes/querynodes.h
View File

@ -191,6 +191,8 @@ typedef struct SFunctionNode {
bool hasOriginalFunc;
int32_t originalFuncId;
ETrimType trimType;
bool hasSMA;
bool dual; // whether select stmt without from stmt, true for without.
} SFunctionNode;
typedef struct STableNode {

1
include/libs/scalar/scalar.h
View File

@ -70,6 +70,7 @@ int32_t modFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutpu
int32_t signFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t degreesFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t radiansFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t randFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
/* String functions */
int32_t lengthFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);

1
source/libs/function/inc/builtinsimpl.h
View File

@ -38,6 +38,7 @@ typedef struct SSumRes {
typedef struct SMinmaxResInfo {
bool assign; // assign the first value or not
int64_t v;
char *str;
STuplePos tuplePos;
STuplePos nullTuplePos;

2
source/libs/function/inc/functionMgtInt.h
View File

@ -24,7 +24,7 @@ extern "C" {
#define FUNCTION_NAME_MAX_LENGTH 32
#define FUNC_MGT_FUNC_CLASSIFICATION_MASK(n) (1 << n)
#define FUNC_MGT_FUNC_CLASSIFICATION_MASK(n) ((uint64_t)1 << n)
#define FUNC_MGT_AGG_FUNC FUNC_MGT_FUNC_CLASSIFICATION_MASK(0)
#define FUNC_MGT_SCALAR_FUNC FUNC_MGT_FUNC_CLASSIFICATION_MASK(1)

72
source/libs/function/src/builtins.c
View File

@ -271,6 +271,21 @@ static int32_t addUint8Param(SNodeList** pList, uint8_t param) {
return TSDB_CODE_SUCCESS;
}
static int32_t addPseudoParam(SNodeList** pList) {
SNode *pseudoNode = NULL;
int32_t code = nodesMakeNode(QUERY_NODE_LEFT_VALUE, &pseudoNode);
if (pseudoNode == NULL) {
return code;
}
code = nodesListMakeAppend(pList, pseudoNode);
if (TSDB_CODE_SUCCESS != code) {
nodesDestroyNode(pseudoNode);
return code;
}
return TSDB_CODE_SUCCESS;
}
static SDataType* getSDataTypeFromNode(SNode* pNode) {
if (pNode == NULL) return NULL;
if (nodesIsExprNode(pNode)) {
@ -299,6 +314,25 @@ static int32_t translateInOutNum(SFunctionNode* pFunc, char* pErrBuf, int32_t le
return TSDB_CODE_SUCCESS;
}
// There is only one parameter of numeric type, and the return type is parameter type
static int32_t translateMinMax(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
if (1 != LIST_LENGTH(pFunc->pParameterList)) {
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
}
SDataType* dataType = getSDataTypeFromNode(nodesListGetNode(pFunc->pParameterList, 0));
uint8_t paraType = dataType->type;
if (!IS_NUMERIC_TYPE(paraType) && !IS_NULL_TYPE(paraType) && !IS_STR_DATA_TYPE(paraType)) {
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
} else if (IS_NULL_TYPE(paraType)) {
paraType = TSDB_DATA_TYPE_BIGINT;
}
pFunc->hasSMA = !IS_VAR_DATA_TYPE(paraType);
int32_t bytes = IS_STR_DATA_TYPE(paraType) ? dataType->bytes : tDataTypes[paraType].bytes;
pFunc->node.resType = (SDataType){.bytes = bytes, .type = paraType};
return TSDB_CODE_SUCCESS;
}
// There is only one parameter of numeric type, and the return type is double type
static int32_t translateInNumOutDou(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
if (1 != LIST_LENGTH(pFunc->pParameterList)) {
@ -579,6 +613,30 @@ static int32_t translatePi(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
return TSDB_CODE_SUCCESS;
}
static int32_t translateRand(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
if (0 != LIST_LENGTH(pFunc->pParameterList) && 1 != LIST_LENGTH(pFunc->pParameterList)) {
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
}
if (1 == LIST_LENGTH(pFunc->pParameterList)) {
uint8_t paraType = getSDataTypeFromNode(nodesListGetNode(pFunc->pParameterList, 0))->type;
if (!IS_INTEGER_TYPE(paraType) && !IS_NULL_TYPE(paraType)) {
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
}
}
if (!pFunc->dual) {
int32_t code = addPseudoParam(&pFunc->pParameterList);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
}
pFunc->node.resType =
(SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes, .type = TSDB_DATA_TYPE_DOUBLE};
return TSDB_CODE_SUCCESS;
}
static int32_t translateRound(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
if (2 != LIST_LENGTH(pFunc->pParameterList) && 1 != LIST_LENGTH(pFunc->pParameterList)) {
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
@ -2904,7 +2962,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.name = "min",
.type = FUNCTION_TYPE_MIN,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SPECIAL_DATA_REQUIRED | FUNC_MGT_SELECT_FUNC | FUNC_MGT_IGNORE_NULL_FUNC | FUNC_MGT_TSMA_FUNC,
.translateFunc = translateInOutNum,
.translateFunc = translateMinMax,
.dataRequiredFunc = statisDataRequired,
.getEnvFunc = getMinmaxFuncEnv,
.initFunc = minmaxFunctionSetup,
@ -2920,7 +2978,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.name = "max",
.type = FUNCTION_TYPE_MAX,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SPECIAL_DATA_REQUIRED | FUNC_MGT_SELECT_FUNC | FUNC_MGT_IGNORE_NULL_FUNC | FUNC_MGT_TSMA_FUNC,
.translateFunc = translateInOutNum,
.translateFunc = translateMinMax,
.dataRequiredFunc = statisDataRequired,
.getEnvFunc = getMinmaxFuncEnv,
.initFunc = minmaxFunctionSetup,
@ -4729,6 +4787,16 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.sprocessFunc = weekofyearFunction,
.finalizeFunc = NULL
},
{
.name = "rand",
.type = FUNCTION_TYPE_RAND,
.classification = FUNC_MGT_SCALAR_FUNC,
.translateFunc = translateRand,
.getEnvFunc = NULL,
.initFunc = NULL,
.sprocessFunc = randFunction,
.finalizeFunc = NULL
},
};
// clang-format on

11
source/libs/function/src/builtinsimpl.c
View File

@ -1026,6 +1026,7 @@ int32_t minmaxFunctionSetup(SqlFunctionCtx* pCtx, SResultRowEntryInfo* pResultIn
buf->nullTupleSaved = false;
buf->nullTuplePos.pageId = -1;
buf->str = NULL;
return TSDB_CODE_SUCCESS;
}
@ -1101,11 +1102,21 @@ int32_t minmaxFunctionFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
colDataSetFloat(pCol, currentRow, &v);
break;
}
case TSDB_DATA_TYPE_VARBINARY:
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_NCHAR: {
code = colDataSetVal(pCol, currentRow, pRes->str, false);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
break;
}
}
} else {
colDataSetNULL(pCol, currentRow);
}
taosMemoryFreeClear(pRes->str);
if (pCtx->subsidiaries.num > 0) {
if (pEntryInfo->numOfRes > 0) {
code = setSelectivityValue(pCtx, pBlock, &pRes->tuplePos, currentRow);

112
source/libs/function/src/detail/tminmax.c
View File

@ -15,6 +15,7 @@
#include "builtinsimpl.h"
#include "function.h"
#include "tcompare.h"
#include "tdatablock.h"
#include "tfunctionInt.h"
#include "tglobal.h"
@ -365,10 +366,10 @@ static double doubleVectorCmpAVX(const double* pData, int32_t numOfRows, bool is
return v;
}
static int32_t findFirstValPosition(const SColumnInfoData* pCol, int32_t start, int32_t numOfRows) {
static int32_t findFirstValPosition(const SColumnInfoData* pCol, int32_t start, int32_t numOfRows, bool isStr) {
int32_t i = start;
while (i < (start + numOfRows) && (colDataIsNull_f(pCol->nullbitmap, i) == true)) {
while (i < (start + numOfRows) && (isStr ? colDataIsNull_s(pCol, i) : colDataIsNull_f(pCol->nullbitmap, i) == true)) {
i += 1;
}
@ -643,6 +644,52 @@ static int32_t doExtractVal(SColumnInfoData* pCol, int32_t i, int32_t end, SqlFu
__COMPARE_ACQUIRED_MIN(i, end, pCol->nullbitmap, pData, pCtx, *(double*)&(pBuf->v), &pBuf->tuplePos)
break;
}
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY: {
int32_t code = TSDB_CODE_SUCCESS;
for (; i < (end); ++i) {
if (colDataIsNull_var(pCol, i)) {
continue;
}
char *pLeft = (char *)colDataGetData(pCol, i);
char *pRight = (char *)pBuf->str;
int32_t ret = compareLenBinaryVal(pLeft, pRight);
if (ret < 0) {
memcpy(pBuf->str, pLeft, varDataTLen(pLeft));
if (pCtx->subsidiaries.num > 0) {
code = updateTupleData(pCtx, i, pCtx->pSrcBlock, &pBuf->tuplePos);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
}
}
}
break;
}
case TSDB_DATA_TYPE_NCHAR: {
int32_t code = TSDB_CODE_SUCCESS;
for (; i < (end); ++i) {
if (colDataIsNull_var(pCol, i)) {
continue;
}
char *pLeft = (char *)colDataGetData(pCol, i);
char *pRight = (char *)pBuf->str;
int32_t ret = compareLenPrefixedWStr(pLeft, pRight);
if (ret < 0) {
memcpy(pBuf->str, pLeft, varDataTLen(pLeft));
if (pCtx->subsidiaries.num > 0) {
code = updateTupleData(pCtx, i, pCtx->pSrcBlock, &pBuf->tuplePos);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
}
}
}
break;
}
}
} else {
switch (pCol->info.type) {
@ -706,6 +753,53 @@ static int32_t doExtractVal(SColumnInfoData* pCol, int32_t i, int32_t end, SqlFu
__COMPARE_ACQUIRED_MAX(i, end, pCol->nullbitmap, pData, pCtx, *(double*)&(pBuf->v), &pBuf->tuplePos)
break;
}
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY: {
int32_t code = TSDB_CODE_SUCCESS;
for (; i < (end); ++i) {
if (colDataIsNull_var(pCol, i)) {
continue;
}
char *pLeft = (char *)colDataGetData(pCol, i);
char *pRight = (char *)pBuf->str;
int32_t ret = compareLenBinaryVal(pLeft, pRight);
if (ret > 0) {
memcpy(pBuf->str, pLeft, varDataTLen(pLeft));
if (pCtx->subsidiaries.num > 0) {
code = updateTupleData(pCtx, i, pCtx->pSrcBlock, &pBuf->tuplePos);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
}
}
}
break;
}
case TSDB_DATA_TYPE_NCHAR: {
int32_t code = TSDB_CODE_SUCCESS;
for (; i < (end); ++i) {
if (colDataIsNull_var(pCol, i)) {
continue;
}
char *pLeft = (char *)colDataGetData(pCol, i);
char *pRight = (char *)pBuf->str;
int32_t ret = compareLenPrefixedWStr(pLeft, pRight);
if (ret > 0) {
memcpy(pBuf->str, pLeft, varDataTLen(pLeft));
if (pCtx->subsidiaries.num > 0) {
code = updateTupleData(pCtx, i, pCtx->pSrcBlock, &pBuf->tuplePos);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
}
}
}
break;
}
}
}
return TSDB_CODE_SUCCESS;
@ -743,7 +837,7 @@ int32_t doMinMaxHelper(SqlFunctionCtx* pCtx, int32_t isMinFunc, int32_t* nElems)
}
// data in current data block are qualified to the query
if (pInput->colDataSMAIsSet) {
if (pInput->colDataSMAIsSet && !IS_STR_DATA_TYPE(type)) {
numOfElems = pInput->numOfRows - pAgg->numOfNull;
if (numOfElems == 0) {
@ -820,7 +914,7 @@ int32_t doMinMaxHelper(SqlFunctionCtx* pCtx, int32_t isMinFunc, int32_t* nElems)
// clang-format on
if (pCol->hasNull || numOfRows < threshold[pCol->info.type] || pCtx->subsidiaries.num > 0) {
int32_t i = findFirstValPosition(pCol, start, numOfRows);
int32_t i = findFirstValPosition(pCol, start, numOfRows, IS_STR_DATA_TYPE(type));
if ((i < end) && (!pBuf->assign)) {
char* p = pCol->pData + pCol->info.bytes * i;
@ -848,6 +942,16 @@ int32_t doMinMaxHelper(SqlFunctionCtx* pCtx, int32_t isMinFunc, int32_t* nElems)
*(float*)&pBuf->v = *(float*)p;
break;
}
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY:
case TSDB_DATA_TYPE_NCHAR: {
pBuf->str = taosMemoryMalloc(pCol->info.bytes);
if (pBuf->str == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(void)memcpy(pBuf->str, colDataGetData(pCol, i), varDataTLen(colDataGetData(pCol, i)));
break;
}
default:
(void)memcpy(&pBuf->v, p, pCol->info.bytes);
break;

1
source/libs/parser/inc/parTranslater.h
View File

@ -45,6 +45,7 @@ typedef struct STranslateContext {
bool showRewrite;
SNode* pPrevRoot;
SNode* pPostRoot;
bool dual; // whether select stmt without from stmt, true for without.
} STranslateContext;
int32_t biRewriteToTbnameFunc(STranslateContext* pCxt, SNode** ppNode, bool* pRet);

4
source/libs/parser/inc/sql.y
View File

@ -1207,11 +1207,15 @@ function_expression(A) ::=
substr_func(B) NK_LP expr_or_subquery(C) FROM expr_or_subquery(D) FOR expr_or_subquery(E) NK_RP(F). { A = createRawExprNodeExt(pCxt, &B, &F, createSubstrFunctionNodeExt(pCxt, releaseRawExprNode(pCxt, C), releaseRawExprNode(pCxt, D), releaseRawExprNode(pCxt, E))); }
function_expression(A) ::= REPLACE(B) NK_LP expression_list(C) NK_RP(D). { A = createRawExprNodeExt(pCxt, &B, &D, createFunctionNode(pCxt, &B, C)); }
function_expression(A) ::= literal_func(B). { A = B; }
function_expression(A) ::= rand_func(B). { A = B; }
literal_func(A) ::= noarg_func(B) NK_LP NK_RP(C). { A = createRawExprNodeExt(pCxt, &B, &C, createFunctionNode(pCxt, &B, NULL)); }
literal_func(A) ::= NOW(B). { A = createRawExprNode(pCxt, &B, createFunctionNode(pCxt, &B, NULL)); }
literal_func(A) ::= TODAY(B). { A = createRawExprNode(pCxt, &B, createFunctionNode(pCxt, &B, NULL)); }
rand_func(A) ::= RAND(B) NK_LP NK_RP(C). { A = createRawExprNodeExt(pCxt, &B, &C, createFunctionNode(pCxt, &B, NULL)); }
rand_func(A) ::= RAND(B) NK_LP expression_list(C) NK_RP(D). { A = createRawExprNodeExt(pCxt, &B, &D, createFunctionNode(pCxt, &B, C)); }
%type substr_func { SToken }
%destructor substr_func { }
substr_func(A) ::= SUBSTR(B). { A = B; }

1
source/libs/parser/src/parTokenizer.c
View File

@ -206,6 +206,7 @@ static SKeyword keywordTable[] = {
{"QUERIES", TK_QUERIES},
{"QUERY", TK_QUERY},
{"PI", TK_PI},
{"RAND", TK_RAND},
{"RANGE", TK_RANGE},
{"RATIO", TK_RATIO},
{"PAUSE", TK_PAUSE},

3
source/libs/parser/src/parTranslater.c
View File

@ -2307,6 +2307,7 @@ static bool hasInvalidFuncNesting(SNodeList* pParameterList) {
static int32_t getFuncInfo(STranslateContext* pCxt, SFunctionNode* pFunc) {
// the time precision of the function execution environment
pFunc->dual = pCxt->dual;
pFunc->node.resType.precision = getPrecisionFromCurrStmt(pCxt->pCurrStmt, TSDB_TIME_PRECISION_MILLI);
int32_t code = fmGetFuncInfo(pFunc, pCxt->msgBuf.buf, pCxt->msgBuf.len);
if (TSDB_CODE_FUNC_NOT_BUILTIN_FUNTION == code) {
@ -6696,11 +6697,13 @@ static int32_t replaceOrderByAliasForSelect(STranslateContext* pCxt, SSelectStmt
static int32_t translateSelectWithoutFrom(STranslateContext* pCxt, SSelectStmt* pSelect) {
pCxt->pCurrStmt = (SNode*)pSelect;
pCxt->currClause = SQL_CLAUSE_SELECT;
pCxt->dual = true;
return translateExprList(pCxt, pSelect->pProjectionList);
}
static int32_t translateSelectFrom(STranslateContext* pCxt, SSelectStmt* pSelect) {
pCxt->pCurrStmt = (SNode*)pSelect;
pCxt->dual = false;
int32_t code = translateFrom(pCxt, &pSelect->pFromTable);
if (TSDB_CODE_SUCCESS == code) {
pSelect->precision = ((STableNode*)pSelect->pFromTable)->precision;

7727
source/libs/parser/src/sql.c
View File

File diff suppressed because it is too large Load Diff

6
source/libs/planner/src/planOptimizer.c
View File

@ -294,6 +294,9 @@ static bool scanPathOptIsSpecifiedFuncType(const SFunctionNode* pFunc, bool (*ty
return true;
}
static bool isMinMaxFunction(int32_t funcType) {
return funcType == FUNCTION_TYPE_MIN || funcType == FUNCTION_TYPE_MAX;
}
static int32_t scanPathOptGetRelatedFuncs(SScanLogicNode* pScan, SNodeList** pSdrFuncs, SNodeList** pDsoFuncs) {
SNodeList* pAllFuncs = scanPathOptGetAllFuncs(pScan->node.pParent);
SNodeList* pTmpSdrFuncs = NULL;
@ -303,7 +306,8 @@ static int32_t scanPathOptGetRelatedFuncs(SScanLogicNode* pScan, SNodeList** pSd
FOREACH(pNode, pAllFuncs) {
SFunctionNode* pFunc = (SFunctionNode*)pNode;
int32_t code = TSDB_CODE_SUCCESS;
if (scanPathOptIsSpecifiedFuncType(pFunc, fmIsSpecialDataRequiredFunc)) {
if ((!isMinMaxFunction(pFunc->funcType) && scanPathOptIsSpecifiedFuncType(pFunc, fmIsSpecialDataRequiredFunc)) ||
(isMinMaxFunction(pFunc->funcType) && pFunc->hasSMA)) {
SNode* pNew = NULL;
code = nodesCloneNode(pNode, &pNew);
if (TSDB_CODE_SUCCESS == code) {

2
source/libs/scalar/inc/sclInt.h
View File

@ -30,7 +30,7 @@ typedef struct SOperatorValueType {
typedef struct SScalarCtx {
int32_t code;
bool dual;
bool dual; /* whether select stmt has from stmt */
SArray* pBlockList; /* element is SSDataBlock* */
SHashObj* pRes; /* element is SScalarParam */
void* param; // additional parameter (meta actually) for acquire value such as tbname/tags values

3
source/libs/scalar/src/scalar.c
View File

@ -1179,7 +1179,8 @@ EDealRes sclRewriteNonConstOperator(SNode **pNode, SScalarCtx *ctx) {
EDealRes sclRewriteFunction(SNode **pNode, SScalarCtx *ctx) {
SFunctionNode *node = (SFunctionNode *)*pNode;
SNode *tnode = NULL;
if ((!fmIsScalarFunc(node->funcId) && (!ctx->dual)) || fmIsUserDefinedFunc(node->funcId)) {
if ((!fmIsScalarFunc(node->funcId) && (!ctx->dual)) ||
fmIsUserDefinedFunc(node->funcId)) {
return DEAL_RES_CONTINUE;
}

15
source/libs/scalar/src/sclfunc.c
View File

@ -2887,6 +2887,21 @@ int32_t floorFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOut
return doScalarFunction(pInput, inputNum, pOutput, floorf, floor);
}
int32_t randFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
if (!IS_NULL_TYPE(GET_PARAM_TYPE(&pInput[0]))) {
int32_t seed;
GET_TYPED_DATA(seed, int32_t, GET_PARAM_TYPE(&pInput[0]), pInput[0].columnData->pData);
taosSeedRand(seed);
}
int32_t numOfRows = inputNum == 1 ? pInput[0].numOfRows : TMAX(pInput[0].numOfRows, pInput[1].numOfRows);
for (int32_t i = 0; i < numOfRows; ++i) {
double random_value = (double)(taosRand() % RAND_MAX) / RAND_MAX;
colDataSetDouble(pOutput->columnData, i, &random_value);
}
pOutput->numOfRows = numOfRows;
return TSDB_CODE_SUCCESS;
}
static double decimalFn(double val1, double val2, _double_fn fn) {
if (val1 > DBL_MAX || val1 < -DBL_MAX) {
return val1;

480
tests/army/query/function/ans/max.csv Normal file
View File

@ -0,0 +1,480 @@
9999
11.9989996
224
x
一二三四五六七八九十
四
一二三四五六七八九十
四
1110
2838
4566
6294
8022
9750
9999
3206
4934
6662
8390
9999
1846
3574
5302
7030
8758
9999
2214
3942
5670
7398
9126
9999
2582
4310
6038
7766
9494
9999
2950
4678
6406
8134
9862
9999
3318
5046
6774
8502
9999
1958
3686
5414
7142
8870
9999
2326
4054
5782
7510
9238
9999
2694
4422
6150
7878
9606
9999
11.9989996
11.9969997
11.9969997
11.9989996
11.9989996
11.9989996
11.9989996
11.9969997
11.9989996
11.9980001
11.9989996
11.9989996
11.9989996
11.9969997
11.9989996
11.9980001
11.9989996
11.9989996
11.9989996
11.9969997
11.9989996
11.9980001
11.9989996
11.9989996
11.9989996
11.9969997
11.9989996
11.9989996
11.9989996
11.9989996
11.9969997
11.9989996
11.9980001
11.9989996
11.9989996
11.9989996
11.9969997
11.9989996
11.9980001
11.9989996
11.9989996
11.9989996
11.9969997
11.9989996
11.9980001
11.9989996
11.9989996
11.9989996
11.9969997
11.9989996
11.9989996
11.9989996
11.9989996
11.9989996
11.9969997
11.9989996
11.9989996
11.9989996
11.9860001
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
224
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
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一二三四五六七八九十
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一二三四五六七八九十
一二三四五六七八九十
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四
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一二三四五六七八九十
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一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
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一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
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一二三四五六七八九十
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一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
一二三四五六七八九十
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1 9999
2 11.9989996
3 224
4 x
5 一二三四五六七八九十
6 四
7 一二三四五六七八九十
8 四
9 1110
10 2838
11 4566
12 6294
13 8022
14 9750
15 9999
16 3206
17 4934
18 6662
19 8390
20 9999
21 1846
22 3574
23 5302
24 7030
25 8758
26 9999
27 2214
28 3942
29 5670
30 7398
31 9126
32 9999
33 2582
34 4310
35 6038
36 7766
37 9494
38 9999
39 2950
40 4678
41 6406
42 8134
43 9862
44 9999
45 3318
46 5046
47 6774
48 8502
49 9999
50 1958
51 3686
52 5414
53 7142
54 8870
55 9999
56 2326
57 4054
58 5782
59 7510
60 9238
61 9999
62 2694
63 4422
64 6150
65 7878
66 9606
67 9999
68 11.9989996
69 11.9969997
70 11.9969997
71 11.9989996
72 11.9989996
73 11.9989996
74 11.9989996
75 11.9969997
76 11.9989996
77 11.9980001
78 11.9989996
79 11.9989996
80 11.9989996
81 11.9969997
82 11.9989996
83 11.9980001
84 11.9989996
85 11.9989996
86 11.9989996
87 11.9969997
88 11.9989996
89 11.9980001
90 11.9989996
91 11.9989996
92 11.9989996
93 11.9969997
94 11.9989996
95 11.9989996
96 11.9989996
97 11.9989996
98 11.9969997
99 11.9989996
100 11.9980001
101 11.9989996
102 11.9989996
103 11.9989996
104 11.9969997
105 11.9989996
106 11.9980001
107 11.9989996
108 11.9989996
109 11.9989996
110 11.9969997
111 11.9989996
112 11.9980001
113 11.9989996
114 11.9989996
115 11.9989996
116 11.9969997
117 11.9989996
118 11.9989996
119 11.9989996
120 11.9989996
121 11.9989996
122 11.9969997
123 11.9989996
124 11.9989996
125 11.9989996
126 11.9860001
127 224
128 224
129 224
130 224
131 224
132 224
133 224
134 224
135 224
136 224
137 224
138 224
139 224
140 224
141 224
142 224
143 224
144 224
145 224
146 224
147 224
148 224
149 224
150 224
151 224
152 224
153 224
154 224
155 224
156 224
157 224
158 224
159 224
160 224
161 224
162 224
163 224
164 224
165 224
166 224
167 224
168 224
169 224
170 224
171 224
172 224
173 224
174 224
175 224
176 224
177 224
178 224
179 224
180 224
181 224
182 224
183 224
184 224
185 224
186 x
187 x
188 x
189 x
190 x
191 x
192 x
193 x
194 x
195 x
196 x
197 x
198 x
199 x
200 x
201 x
202 x
203 x
204 x
205 x
206 x
207 x
208 x
209 x
210 x
211 x
212 x
213 x
214 x
215 x
216 x
217 x
218 x
219 x
220 x
221 x
222 x
223 x
224 x
225 x
226 x
227 x
228 x
229 x
230 x
231 x
232 x
233 x
234 x
235 x
236 x
237 x
238 x
239 x
240 x
241 x
242 x
243 x
244 x
245 一二三四五六七八九十
246 一二三四五六七八九十
247 一二三四五六七八九十
248 一二三四五六七八九十
249 一二三四五六七八九十
250 一二三四五六七八九十
251 一二三四五六七八九十
252 一二三四五六七八九十
253 一二三四五六七八九十
254 一二三四五六七八九十
255 一二三四五六七八九十
256 一二三四五六七八九十
257 一二三四五六七八九十
258 一二三四五六七八九十
259 一二三四五六七八九十
260 一二三四五六七八九十
261 一二三四五六七八九十
262 一二三四五六七八九十
263 一二三四五六七八九十
264 一二三四五六七八九十
265 一二三四五六七八九十
266 一二三四五六七八九十
267 一二三四五六七八九十
268 一二三四五六七八九十
269 一二三四五六七八九十
270 一二三四五六七八九十
271 一二三四五六七八九十
272 一二三四五六七八九十
273 一二三四五六七八九十
274 一二三四五六七八九十
275 一二三四五六七八九十
276 一二三四五六七八九十
277 一二三四五六七八九十
278 一二三四五六七八九十
279 一二三四五六七八九十
280 一二三四五六七八九十
281 一二三四五六七八九十
282 一二三四五六七八九十
283 一二三四五六七八九十
284 一二三四五六七八九十
285 一二三四五六七八九十
286 一二三四五六七八九十
287 一二三四五六七八九十
288 一二三四五六七八九十
289 一二三四五六七八九十
290 一二三四五六七八九十
291 一二三四五六七八九十
292 一二三四五六七八九十
293 一二三四五六七八九十
294 一二三四五六七八九十
295 一二三四五六七八九十
296 一二三四五六七八九十
297 一二三四五六七八九十
298 一二三四五六七八九十
299 一二三四五六七八九十
300 一二三四五六七八九十
301 一二三四五六七八九十
302 一二三四五六七八九十
303 一二三四五六七八九十
304 四
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363 一二三四五六七八九十
364 一二三四五六七八九十
365 一二三四五六七八九十
366 一二三四五六七八九十
367 一二三四五六七八九十
368 一二三四五六七八九十
369 一二三四五六七八九十
370 一二三四五六七八九十
371 一二三四五六七八九十
372 一二三四五六七八九十
373 一二三四五六七八九十
374 一二三四五六七八九十
375 一二三四五六七八九十
376 一二三四五六七八九十
377 一二三四五六七八九十
378 一二三四五六七八九十
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380 一二三四五六七八九十
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395 一二三四五六七八九十
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403 一二三四五六七八九十
404 一二三四五六七八九十
405 一二三四五六七八九十
406 一二三四五六七八九十
407 一二三四五六七八九十
408 一二三四五六七八九十
409 一二三四五六七八九十
410 一二三四五六七八九十
411 一二三四五六七八九十
412 一二三四五六七八九十
413 一二三四五六七八九十
414 一二三四五六七八九十
415 一二三四五六七八九十
416 一二三四五六七八九十
417 一二三四五六七八九十
418 一二三四五六七八九十
419 一二三四五六七八九十
420 一二三四五六七八九十
421 一二三四五六七八九十
422 四
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tests/army/query/function/ans/min.csv Normal file
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@ -0,0 +1,480 @@
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16
tests/army/query/function/in/max.in Normal file
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@ -0,0 +1,16 @@
select MAX(id) from ts_4893.meters;
select MAX(current) from ts_4893.meters;
select MAX(voltage) from ts_4893.meters;
select MAX(name) from ts_4893.meters;
select MAX(nch1) from ts_4893.meters;
select MAX(nch2) from ts_4893.meters;
select MAX(var1) from ts_4893.meters;
select MAX(var2) from ts_4893.meters;
select MAX(id) from ts_4893.meters interval(60d);
select MAX(current) from ts_4893.meters interval(60d);
select MAX(voltage) from ts_4893.meters interval(60d);
select MAX(name) from ts_4893.meters interval(60d);
select MAX(nch1) from ts_4893.meters interval(60d);
select MAX(nch2) from ts_4893.meters interval(60d);
select MAX(var1) from ts_4893.meters interval(60d);
select MAX(var2) from ts_4893.meters interval(60d);

16
tests/army/query/function/in/min.in Normal file
View File

@ -0,0 +1,16 @@
select MIN(id) from ts_4893.meters;
select MIN(current) from ts_4893.meters;
select MIN(voltage) from ts_4893.meters;
select MIN(name) from ts_4893.meters;
select MIN(nch1) from ts_4893.meters;
select MIN(nch2) from ts_4893.meters;
select MIN(var1) from ts_4893.meters;
select MIN(var2) from ts_4893.meters;
select MIN(id) from ts_4893.meters interval(60d);
select MIN(current) from ts_4893.meters interval(60d);
select MIN(voltage) from ts_4893.meters interval(60d);
select MIN(name) from ts_4893.meters interval(60d);
select MIN(nch1) from ts_4893.meters interval(60d);
select MIN(nch2) from ts_4893.meters interval(60d);
select MIN(var1) from ts_4893.meters interval(60d);
select MIN(var2) from ts_4893.meters interval(60d);

30
tests/army/query/function/test_function.py
View File

@ -505,12 +505,35 @@ class TDTestCase(TBase):
tdSql.query("select var_pop(null) from ts_4893.meters;")
tdSql.checkRows(1)
tdSql.checkData(0, 0, None)
def test_error(self):
tdSql.error(
"select * from (select to_iso8601(ts, timezone()), timezone() from meters order by ts desc) limit 1000;",
expectErrInfo="Not supported timzone format") # TS-5340
def test_min(self):
self.test_normal_query("min")
tdSql.query("select min(var1), min(id) from ts_4893.d0;")
tdSql.checkRows(1)
tdSql.checkData(0, 0, 'abc一二三abc一二三abc')
tdSql.checkData(0, 1, 0)
def test_max(self):
self.test_normal_query("max")
tdSql.query("select max(var1), max(id) from ts_4893.d0;")
tdSql.checkRows(1)
tdSql.checkData(0, 0, '一二三四五六七八九十')
tdSql.checkData(0, 1, 9999)
def test_rand(self):
tdSql.query("select rand();")
tdSql.checkRows(1)
tdSql.query("select rand(1);")
tdSql.checkRows(1)
tdSql.query("select rand(1) from ts_4893.meters limit 10;")
tdSql.checkRows(10)
tdSql.query("select rand(id) from ts_4893.d0 limit 10;")
tdSql.checkRows(10)
# run
def run(self):
tdLog.debug(f"start to excute {__file__}")
@ -528,6 +551,7 @@ class TDTestCase(TBase):
self.test_sign()
self.test_degrees()
self.test_radians()
self.test_rand()
# char function
self.test_char_length()
@ -551,6 +575,10 @@ class TDTestCase(TBase):
self.test_stddev()
self.test_varpop()
# select function
self.test_min()
self.test_max()
# error function
self.test_error()

2
tests/script/tsim/parser/nchar.sim
View File

@ -226,8 +226,6 @@ if $data10 != 5 then
endi
sql_error select avg(tbcol) from $mt where tbcol1 = 1 group by tgcol
sql_error select sum(tbcol) from $mt where tbcol1 = 1 group by tgcol
sql_error select min(tbcol) from $mt where tbcol1 = 1 group by tgcol
sql_error select max(tbcol) from $mt where tbcol1 = 1 group by tgcol
sql select first(tbcol), tgcol from $mt where tbcol1 = 1 group by tgcol order by tgcol
if $rows != 2 then

4
tests/script/tsim/sma/tsmaCreateInsertQuery.sim
View File

@ -35,16 +35,12 @@ sql create sma index sma_index_name1 on stb function(max(c1),max(c2),min(c1)) in
sql create sma index sma_index_name2 on stb function(sum(c1),first(c1), last(c1), first(c4),last(c4),count(c4),first(c5),last(c5),count(c5),apercentile(c1,80,"t-digest"), avg(c2),count(c3), spread(c3), stddev(c2), hyperloglog(c2), hyperloglog(c4), hyperloglog(c5)) interval(5m,10s) sliding(5m);
# for varchar/binary
sql_error create sma index sma_index_name3 on stb function(sum(c4)) interval(5m,10s) sliding(5m);
sql_error create sma index sma_index_name3 on stb function(min(c4)) interval(5m,10s) sliding(5m);
sql_error create sma index sma_index_name3 on stb function(max(c4)) interval(5m,10s) sliding(5m);
sql_error create sma index sma_index_name3 on stb function(avg(c4)) interval(5m,10s) sliding(5m);
sql_error create sma index sma_index_name3 on stb function(apercentile(c4)) interval(5m,10s) sliding(5m);
sql_error create sma index sma_index_name3 on stb function(spread(c4)) interval(5m,10s) sliding(5m);
sql_error create sma index sma_index_name3 on stb function(stddev(c4)) interval(5m,10s) sliding(5m);
# for nchar
sql_error create sma index sma_index_name3 on stb function(sum(c5)) interval(5m,10s) sliding(5m);
sql_error create sma index sma_index_name3 on stb function(min(c5)) interval(5m,10s) sliding(5m);
sql_error create sma index sma_index_name3 on stb function(max(c5)) interval(5m,10s) sliding(5m);
sql_error create sma index sma_index_name3 on stb function(avg(c5)) interval(5m,10s) sliding(5m);
sql_error create sma index sma_index_name3 on stb function(apercentile(c5)) interval(5m,10s) sliding(5m);
sql_error create sma index sma_index_name3 on stb function(spread(c5)) interval(5m,10s) sliding(5m);

18
tests/system-test/2-query/min.py
View File

@ -41,8 +41,6 @@ class TDTestCase:
tdSql.error(f"select min(now()) from {dbname}.stb_1")
tdSql.error(f"select min(ts) from {dbname}.stb_1")
tdSql.error(f"select min(col7) from {dbname}.stb_1")
tdSql.error(f"select min(col8) from {dbname}.stb_1")
tdSql.error(f"select min(col9) from {dbname}.stb_1")
tdSql.error(f"select min(a) from {dbname}.stb_1")
tdSql.query(f"select min(1) from {dbname}.stb_1")
tdSql.error(f"select min(count(c1),count(c2)) from {dbname}.stb_1")
@ -69,13 +67,15 @@ class TDTestCase:
tdSql.checkData(0, 0, np.min(floatData))
tdSql.query(f"select min(col1) from {dbname}.stb_1 where col2>=5")
tdSql.checkData(0,0,5)
tdSql.query(f"select min(col8) from {dbname}.stb_1")
tdSql.checkData(0,0,'taosdata1')
tdSql.query(f"select min(col9) from {dbname}.stb_1")
tdSql.checkData(0,0,'涛思数据1')
tdSql.error(f"select min(now()) from {dbname}.stb_1")
tdSql.error(f"select min(ts) from {dbname}.stb_1")
tdSql.error(f"select min(col7) from {dbname}.stb_1")
tdSql.error(f"select min(col8) from {dbname}.stb_1")
tdSql.error(f"select min(col9) from {dbname}.stb_1")
tdSql.error(f"select min(a) from {dbname}.stb_1")
tdSql.query(f"select min(1) from {dbname}.stb_1")
tdSql.error(f"select min(count(c1),count(c2)) from {dbname}.stb_1")
@ -102,12 +102,14 @@ class TDTestCase:
tdSql.checkData(0, 0, np.min(floatData))
tdSql.query(f"select min(col1) from {dbname}.stb where col2>=5")
tdSql.checkData(0,0,5)
tdSql.query(f"select min(col8) from {dbname}.stb")
tdSql.checkData(0,0,'taosdata1')
tdSql.query(f"select min(col9) from {dbname}.stb")
tdSql.checkData(0,0,'涛思数据1')
tdSql.error(f"select min(now()) from {dbname}.stb_1")
tdSql.error(f"select min(ts) from {dbname}.stb_1")
tdSql.error(f"select min(col7) from {dbname}.ntb")
tdSql.error(f"select min(col8) from {dbname}.ntb")
tdSql.error(f"select min(col9) from {dbname}.ntb")
tdSql.error(f"select min(a) from {dbname}.ntb")
tdSql.query(f"select min(1) from {dbname}.ntb")
tdSql.error(f"select min(count(c1),count(c2)) from {dbname}.ntb")
@ -134,6 +136,10 @@ class TDTestCase:
tdSql.checkData(0, 0, np.min(floatData))
tdSql.query(f"select min(col1) from {dbname}.ntb where col2>=5")
tdSql.checkData(0,0,5)
tdSql.query(f"select min(col8) from {dbname}.ntb")
tdSql.checkData(0,0,'taosdata1')
tdSql.query(f"select min(col9) from {dbname}.ntb")
tdSql.checkData(0,0,'涛思数据1')
def stop(self):

36
tests/system-test/2-query/select_null.py
View File

@ -122,21 +122,27 @@ class TDTestCase:
tdSql.query(sql)
tdSql.checkData(0,0,4)
sql = "select max(t1) from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
tdSql.query(sql)
tdSql.checkData(0,0,'varchar4')
sql = "select max(t1),ts from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
tdSql.query(sql)
tdSql.checkData(0,0,'varchar4')
sql = "select max(t_bool) from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
sql = "select max(t_bool),ts from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
sql = "select max(t_binary) from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
tdSql.query(sql)
tdSql.checkData(0,0,'binary4')
sql = "select max(t_binary),ts from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
tdSql.query(sql)
tdSql.checkData(0,0,'binary4')
sql = "select max(t_nchar) from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
tdSql.query(sql)
tdSql.checkData(0,0,'nchar4')
sql = "select max(t_nchar),ts from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
tdSql.query(sql)
tdSql.checkData(0,0,'nchar4')
sql = "select max(t_int) from %s.stb0 where ts<now;"%(database)
tdSql.query(sql)
tdSql.checkData(0,0,4)
@ -220,21 +226,27 @@ class TDTestCase:
tdSql.query(sql)
tdSql.checkData(0,0,0)
sql = "select min(t1) from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
tdSql.query(sql)
tdSql.checkData(0,0,'varchar0')
sql = "select min(t1),ts from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
tdSql.query(sql)
tdSql.checkData(0,0,'varchar0')
sql = "select min(t_bool) from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
sql = "select min(t_bool),ts from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
sql = "select min(t_binary) from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
tdSql.query(sql)
tdSql.checkData(0,0,'binary0')
sql = "select min(t_binary),ts from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
tdSql.query(sql)
tdSql.checkData(0,0,'binary0')
sql = "select min(t_nchar) from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
tdSql.query(sql)
tdSql.checkData(0,0,'nchar0')
sql = "select min(t_nchar),ts from %s.stb0 where ts<now;"%(database)
tdSql.error(sql)
tdSql.query(sql)
tdSql.checkData(0,0,'nchar0')
sql = "select min(t_int) from %s.stb0 where ts<now;"%(database)
tdSql.query(sql)
tdSql.checkData(0,0,0)