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taosdata / TDengine / #3533

20 Nov 2024 07:11AM UTC coverage: 58.848% (-1.9%) from 60.78%
#3533

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Merge pull request #28823 from taosdata/fix/3.0/TD-32587

fix:[TD-32587]fix stmt segmentation fault

115578 of 252434 branches covered (45.79%)

Branch coverage included in aggregate %.

1 of 4 new or added lines in 1 file covered. (25.0%)

8038 existing lines in 233 files now uncovered.

194926 of 275199 relevant lines covered (70.83%)

1494459.59 hits per line

Source File
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71.63
/source/libs/function/src/detail/tavgfunction.c
1
/*
2
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
3
 *
4
 * This program is free software: you can use, redistribute, and/or modify
5
 * it under the terms of the GNU Affero General Public License, version 3
6
 * or later ("AGPL"), as published by the Free Software Foundation.
7
 *
8
 * This program is distributed in the hope that it will be useful, but WITHOUT
9
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10
 * FITNESS FOR A PARTICULAR PURPOSE.
11
 *
12
 * You should have received a copy of the GNU Affero General Public License
13
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
14
 */
15

16
#include "builtinsimpl.h"
17
#include "function.h"
18
#include "tdatablock.h"
19
#include "tfunctionInt.h"
20
#include "tglobal.h"
21

22
#define SET_VAL(_info, numOfElem, res) \
23
  do {                                 \
24
    if ((numOfElem) <= 0) {            \
25
      break;                           \
26
    }                                  \
27
    (_info)->numOfRes = (res);         \
28
  } while (0)
29

30
#define LIST_AVG_N(sumT, T)                                               \
31
  do {                                                                    \
32
    T* plist = (T*)pCol->pData;                                           \
33
    for (int32_t i = start; i < numOfRows + pInput->startRowIndex; ++i) { \
34
      if (colDataIsNull_f(pCol->nullbitmap, i)) {                         \
35
        continue;                                                         \
36
      }                                                                   \
37
                                                                          \
38
      numOfElem += 1;                                                     \
39
      pAvgRes->count -= 1;                                                \
40
      sumT -= plist[i];                                                   \
41
    }                                                                     \
42
  } while (0)
43

44
// define signed number sum with check overflow
45
#define CHECK_OVERFLOW_SUM_SIGNED(out, val)                                      \
46
  if (out->sum.overflow) {                                                       \
47
    out->sum.dsum += val;                                                        \
48
  } else if (out->sum.isum > 0 && val > 0 && INT64_MAX - out->sum.isum <= val || \
49
             out->sum.isum < 0 && val < 0 && INT64_MIN - out->sum.isum >= val) { \
50
    double dsum = (double)out->sum.isum;                                         \
51
    out->sum.overflow = true;                                                    \
52
    out->sum.dsum = dsum + val;                                                  \
53
  } else {                                                                       \
54
    out->sum.isum += val;                                                        \
55
  }
56

57
// val is big than INT64_MAX, val come from merge
58
#define CHECK_OVERFLOW_SUM_SIGNED_BIG(out, val, big)                             \
59
  if (out->sum.overflow) {                                                       \
60
    out->sum.dsum += val;                                                        \
61
  } else if (out->sum.isum > 0 && val > 0 && INT64_MAX - out->sum.isum <= val || \
62
             out->sum.isum < 0 && val < 0 && INT64_MIN - out->sum.isum >= val || \
63
             big) {                                                              \
64
    double dsum = (double)out->sum.isum;                                         \
65
    out->sum.overflow = true;                                                    \
66
    out->sum.dsum = dsum + val;                                                  \
67
  } else {                                                                       \
68
    out->sum.isum += val;                                                        \
69
  }
70

71
// define unsigned number sum with check overflow
72
#define CHECK_OVERFLOW_SUM_UNSIGNED(out, val)                 \
73
  if (out->sum.overflow) {                                    \
74
    out->sum.dsum += val;                                     \
75
  } else if (UINT64_MAX - out->sum.usum <= val) {             \
76
    double dsum = (double)out->sum.usum;                      \
77
    out->sum.overflow = true;                                 \
78
    out->sum.dsum = dsum + val;                               \
79
  } else {                                                    \
80
    out->sum.usum += val;                                     \
81
  }
82

83
// val is big than UINT64_MAX, val come from merge
84
#define CHECK_OVERFLOW_SUM_UNSIGNED_BIG(out, val, big)        \
85
  if (out->sum.overflow) {                                    \
86
    out->sum.dsum += val;                                     \
87
  } else if (UINT64_MAX - out->sum.usum <= val || big) {      \
88
    double dsum = (double)out->sum.usum;                      \
89
    out->sum.overflow = true;                                 \
90
    out->sum.dsum = dsum + val;                               \
91
  } else {                                                    \
92
    out->sum.usum += val;                                     \
93
  }
94

95
int32_t getAvgInfoSize() { return (int32_t)sizeof(SAvgRes); }
43,657✔
96

97
bool getAvgFuncEnv(SFunctionNode* UNUSED_PARAM(pFunc), SFuncExecEnv* pEnv) {
9,967✔
98
  pEnv->calcMemSize = sizeof(SAvgRes);
9,967✔
99
  return true;
9,967✔
100
}
101

102
int32_t avgFunctionSetup(SqlFunctionCtx* pCtx, SResultRowEntryInfo* pResultInfo) {
92,052✔
103
  if (pResultInfo->initialized) {
92,052!
104
    return TSDB_CODE_SUCCESS;
×
105
  }
106
  if (TSDB_CODE_SUCCESS != functionSetup(pCtx, pResultInfo)) {
92,052!
107
    return TSDB_CODE_FUNC_SETUP_ERROR;
×
108
  }
109

110
  SAvgRes* pRes = GET_ROWCELL_INTERBUF(pResultInfo);
92,045✔
111
  (void)memset(pRes, 0, sizeof(SAvgRes));
92,045✔
112
  return TSDB_CODE_SUCCESS;
92,045✔
113
}
114

115
static int32_t calculateAvgBySMAInfo(SAvgRes* pRes, int32_t numOfRows, int32_t type, const SColumnDataAgg* pAgg) {
1,586✔
116
  int32_t numOfElem = numOfRows - pAgg->numOfNull;
1,586✔
117

118
  pRes->count += numOfElem;
1,586✔
119
  if (IS_SIGNED_NUMERIC_TYPE(type)) {
1,586!
120
    CHECK_OVERFLOW_SUM_SIGNED(pRes, pAgg->sum);
1,586!
121
  } else if (IS_UNSIGNED_NUMERIC_TYPE(type)) {
×
122
    CHECK_OVERFLOW_SUM_UNSIGNED(pRes, pAgg->sum);
×
123
  } else if (IS_FLOAT_TYPE(type)) {
×
124
    pRes->sum.dsum += GET_DOUBLE_VAL((const char*)&(pAgg->sum));
×
125
  }
126

127
  return numOfElem;
1,586✔
128
}
129

130
static int32_t doAddNumericVector(SColumnInfoData* pCol, int32_t type, SInputColumnInfoData *pInput, SAvgRes* pRes) {
13,344✔
131
  int32_t start = pInput->startRowIndex;
13,344✔
132
  int32_t numOfRows = pInput->numOfRows;
13,344✔
133
  int32_t numOfElems = 0;
13,344✔
134

135
  switch (type) {
13,344!
136
    case TSDB_DATA_TYPE_TINYINT: {
55✔
137
      int8_t* plist = (int8_t*)pCol->pData;
55✔
138
      for (int32_t i = start; i < numOfRows + start; ++i) {
1,196✔
139
        if (colDataIsNull_f(pCol->nullbitmap, i)) {
1,141✔
140
          continue;
762✔
141
        }
142

143
        numOfElems += 1;
379✔
144
        pRes->count += 1;
379✔
145
        CHECK_OVERFLOW_SUM_SIGNED(pRes, plist[i])
379!
146
      }
147

148
      break;
55✔
149
    }
150

151
    case TSDB_DATA_TYPE_SMALLINT: {
506✔
152
      int16_t* plist = (int16_t*)pCol->pData;
506✔
153
      for (int32_t i = start; i < numOfRows + start; ++i) {
2,764✔
154
        if (colDataIsNull_f(pCol->nullbitmap, i)) {
2,258✔
155
          continue;
1,762✔
156
        }
157

158
        numOfElems += 1;
496✔
159
        pRes->count += 1;
496✔
160
        CHECK_OVERFLOW_SUM_SIGNED(pRes, plist[i])
496!
161
      }
162
      break;
506✔
163
    }
164

165
    case TSDB_DATA_TYPE_INT: {
3,787✔
166
      int32_t* plist = (int32_t*)pCol->pData;
3,787✔
167
      for (int32_t i = start; i < numOfRows + start; ++i) {
12,437✔
168
        if (colDataIsNull_f(pCol->nullbitmap, i)) {
8,650✔
169
          continue;
2,173✔
170
        }
171

172
        numOfElems += 1;
6,477✔
173
        pRes->count += 1;
6,477✔
174
        CHECK_OVERFLOW_SUM_SIGNED(pRes, plist[i])
6,477!
175
      }
176

177
      break;
3,787✔
178
    }
179

180
    case TSDB_DATA_TYPE_BIGINT: {
1,131✔
181
      int64_t* plist = (int64_t*)pCol->pData;
1,131✔
182
      for (int32_t i = start; i < numOfRows + start; ++i) {
24,994✔
183
        if (colDataIsNull_f(pCol->nullbitmap, i)) {
23,863✔
184
          continue;
12,599✔
185
        }
186

187
        numOfElems += 1;
11,264✔
188
        pRes->count += 1;
11,264✔
189
        CHECK_OVERFLOW_SUM_SIGNED(pRes, plist[i])
11,264!
190
      }
191
      break;
1,131✔
192
    }
193

UNCOV
194
    case TSDB_DATA_TYPE_UTINYINT: {
×
UNCOV
195
      uint8_t* plist = (uint8_t*)pCol->pData;
×
UNCOV
196
      for (int32_t i = start; i < numOfRows + start; ++i) {
×
UNCOV
197
        if (colDataIsNull_f(pCol->nullbitmap, i)) {
×
198
          continue;
×
199
        }
200

UNCOV
201
        numOfElems += 1;
×
UNCOV
202
        pRes->count += 1;
×
UNCOV
203
        CHECK_OVERFLOW_SUM_UNSIGNED(pRes, plist[i])
×
204
      }
205

UNCOV
206
      break;
×
207
    }
208

UNCOV
209
    case TSDB_DATA_TYPE_USMALLINT: {
×
UNCOV
210
      uint16_t* plist = (uint16_t*)pCol->pData;
×
UNCOV
211
      for (int32_t i = start; i < numOfRows + start; ++i) {
×
UNCOV
212
        if (colDataIsNull_f(pCol->nullbitmap, i)) {
×
213
          continue;
×
214
        }
215

UNCOV
216
        numOfElems += 1;
×
UNCOV
217
        pRes->count += 1;
×
UNCOV
218
        CHECK_OVERFLOW_SUM_UNSIGNED(pRes, plist[i])
×
219
      }
UNCOV
220
      break;
×
221
    }
222

223
    case TSDB_DATA_TYPE_UINT: {
4,632✔
224
      uint32_t* plist = (uint32_t*)pCol->pData;
4,632✔
225
      for (int32_t i = start; i < numOfRows + start; ++i) {
12,571✔
226
        if (colDataIsNull_f(pCol->nullbitmap, i)) {
7,939✔
227
          continue;
4,004✔
228
        }
229

230
        numOfElems += 1;
3,935✔
231
        pRes->count += 1;
3,935✔
232
        CHECK_OVERFLOW_SUM_UNSIGNED(pRes, plist[i])
3,935!
233
      }
234

235
      break;
4,632✔
236
    }
237

238
    case TSDB_DATA_TYPE_UBIGINT: {
10✔
239
      uint64_t* plist = (uint64_t*)pCol->pData;
10✔
240
      for (int32_t i = start; i < numOfRows + start; ++i) {
32✔
241
        if (colDataIsNull_f(pCol->nullbitmap, i)) {
22✔
242
          continue;
4✔
243
        }
244

245
        numOfElems += 1;
18✔
246
        pRes->count += 1;
18✔
247
        CHECK_OVERFLOW_SUM_UNSIGNED(pRes, plist[i])
18✔
248
        
249
      }
250
      break;
10✔
251
    }
252

253
    case TSDB_DATA_TYPE_FLOAT: {
2,825✔
254
      float* plist = (float*)pCol->pData;
2,825✔
255
      for (int32_t i = start; i < numOfRows + start; ++i) {
6,173✔
256
        if (colDataIsNull_f(pCol->nullbitmap, i)) {
3,348✔
257
          continue;
448✔
258
        }
259

260
        numOfElems += 1;
2,900✔
261
        pRes->count += 1;
2,900✔
262
        pRes->sum.dsum += plist[i];
2,900✔
263
      }
264
      break;
2,825✔
265
    }
266

267
    case TSDB_DATA_TYPE_DOUBLE: {
398✔
268
      double* plist = (double*)pCol->pData;
398✔
269
      for (int32_t i = start; i < numOfRows + start; ++i) {
3,528✔
270
        if (colDataIsNull_f(pCol->nullbitmap, i)) {
3,130✔
271
          continue;
1,286✔
272
        }
273

274
        numOfElems += 1;
1,844✔
275
        pRes->count += 1;
1,844✔
276
        pRes->sum.dsum += plist[i];
1,844✔
277
      }
278
      break;
398✔
279
    }
280

281
    default:
×
282
      break;
×
283
  }
284

285
  return numOfElems;
13,344✔
286
}
287

288
int32_t avgFunction(SqlFunctionCtx* pCtx) {
180,293✔
289
  int32_t       numOfElem = 0;
180,293✔
290
  const int32_t THRESHOLD_SIZE = 8;
180,293✔
291

292
  SInputColumnInfoData* pInput = &pCtx->input;
180,293✔
293
  SColumnDataAgg*       pAgg = pInput->pColumnDataAgg[0];
180,293✔
294
  int32_t               type = pInput->pData[0]->info.type;
180,293✔
295

296
  SAvgRes* pAvgRes = GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
180,293✔
297

298
  // computing based on the true data block
299
  SColumnInfoData* pCol = pInput->pData[0];
180,293✔
300

301
  int32_t start = pInput->startRowIndex;
180,293✔
302
  int32_t numOfRows = pInput->numOfRows;
180,293✔
303

304
  if (IS_NULL_TYPE(type)) {
180,293✔
305
    goto _over;
58✔
306
  }
307

308
  pAvgRes->type = type;
180,235✔
309

310
  if (pInput->colDataSMAIsSet) {  // try to use SMA if available
180,235✔
311
    numOfElem = calculateAvgBySMAInfo(pAvgRes, numOfRows, type, pAgg);
1,585✔
312
  } else if (!pCol->hasNull) {  // try to employ the simd instructions to speed up the loop
178,650✔
313
    numOfElem = pInput->numOfRows;
165,291✔
314
    pAvgRes->count += pInput->numOfRows;
165,291✔
315

316
    switch(type) {
165,291!
317
      case TSDB_DATA_TYPE_UTINYINT:
510✔
318
      case TSDB_DATA_TYPE_TINYINT: {
319
        const int8_t* plist = (const int8_t*) pCol->pData;
510✔
320

321
        for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; ++i) {
109,770✔
322
          if (type == TSDB_DATA_TYPE_TINYINT) {
109,260✔
323
            CHECK_OVERFLOW_SUM_SIGNED(pAvgRes, plist[i])
59,230!
324
          } else {
325
            CHECK_OVERFLOW_SUM_UNSIGNED(pAvgRes, (uint8_t)plist[i])
50,030!
326
          }
327
        }
328
        break;
510✔
329
      }
330

331
      case TSDB_DATA_TYPE_USMALLINT:
2,082✔
332
      case TSDB_DATA_TYPE_SMALLINT: {
333
        const int16_t* plist = (const int16_t*)pCol->pData;
2,082✔
334

335
        for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; ++i) {
111,830✔
336
          if (type == TSDB_DATA_TYPE_SMALLINT) {
109,748✔
337
            CHECK_OVERFLOW_SUM_SIGNED(pAvgRes, plist[i])
59,718!
338
          } else {
339
            CHECK_OVERFLOW_SUM_UNSIGNED(pAvgRes, (uint16_t)plist[i])
50,030!
340
          }
341
        }
342
        break;
2,082✔
343
      }
344

345
      case TSDB_DATA_TYPE_UINT:
24,175✔
346
      case TSDB_DATA_TYPE_INT: {
347
        const int32_t* plist = (const int32_t*) pCol->pData;
24,175✔
348

349
        for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; ++i) {
230,258✔
350
          if (type == TSDB_DATA_TYPE_INT) {
206,083✔
351
            CHECK_OVERFLOW_SUM_SIGNED(pAvgRes, plist[i])
137,511!
352
          } else {
353
            CHECK_OVERFLOW_SUM_UNSIGNED(pAvgRes, (uint32_t)plist[i])
68,572!
354
          }
355
        }
356
        break;
24,175✔
357
      }
358

359
      case TSDB_DATA_TYPE_UBIGINT:
37,461✔
360
      case TSDB_DATA_TYPE_BIGINT: {
361
        const int64_t* plist = (const int64_t*) pCol->pData;
37,461✔
362

363
        for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; ++i) {
204,980✔
364
          if (type == TSDB_DATA_TYPE_BIGINT) {
167,519✔
365
            CHECK_OVERFLOW_SUM_SIGNED(pAvgRes, plist[i])
116,919✔
366
          } else {
367
            CHECK_OVERFLOW_SUM_UNSIGNED(pAvgRes, (uint64_t)plist[i])
50,600✔
368
          }
369
        }
370
        break;
37,461✔
371
      }
372

373
      case TSDB_DATA_TYPE_FLOAT: {
99,688✔
374
        const float* plist = (const float*) pCol->pData;
99,688✔
375

376
        for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; ++i) {
333,650✔
377
          pAvgRes->sum.dsum += plist[i];
233,962✔
378
        }
379
        break;
99,688✔
380
      }
381
      case TSDB_DATA_TYPE_DOUBLE: {
1,396✔
382
        const double* plist = (const double*)pCol->pData;
1,396✔
383

384
        for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; ++i) {
77,159✔
385
          pAvgRes->sum.dsum += plist[i];
75,763✔
386
        }
387
        break;
1,396✔
388
      }
389
      default:
×
390
        return TSDB_CODE_FUNC_FUNTION_PARA_TYPE;
×
391
    }
392
  } else {
393
    numOfElem = doAddNumericVector(pCol, type, pInput, pAvgRes);
13,359✔
394
  }
395

396
_over:
180,316✔
397
  // data in the check operation are all null, not output
398
  SET_VAL(GET_RES_INFO(pCtx), numOfElem, 1);
180,316✔
399
  return TSDB_CODE_SUCCESS;
180,316✔
400
}
401

402
static void avgTransferInfo(SAvgRes* pInput, SAvgRes* pOutput) {
26,229✔
403
  if (IS_NULL_TYPE(pInput->type)) {
26,229✔
404
    return;
52✔
405
  }
406

407
  pOutput->type = pInput->type;
26,177✔
408
  if (IS_SIGNED_NUMERIC_TYPE(pOutput->type)) {
32,260!
409
    bool overflow = pInput->sum.overflow;
6,083✔
410
    CHECK_OVERFLOW_SUM_SIGNED_BIG(pOutput, (overflow ? pInput->sum.dsum : pInput->sum.isum), overflow);
6,083!
411
  } else if (IS_UNSIGNED_NUMERIC_TYPE(pOutput->type)) {
22,813!
412
    bool overflow = pInput->sum.overflow;
2,719✔
413
    CHECK_OVERFLOW_SUM_UNSIGNED_BIG(pOutput, (overflow ? pInput->sum.dsum : pInput->sum.usum), overflow);
2,719!
414
  } else {
415
    pOutput->sum.dsum += pInput->sum.dsum;
17,375✔
416
  }
417

418
  pOutput->count += pInput->count;
26,177✔
419
}
420

421
int32_t avgFunctionMerge(SqlFunctionCtx* pCtx) {
19,769✔
422
  SInputColumnInfoData* pInput = &pCtx->input;
19,769✔
423
  SColumnInfoData*      pCol = pInput->pData[0];
19,769✔
424

425
  if (IS_NULL_TYPE(pCol->info.type)) {
19,769!
UNCOV
426
    SET_VAL(GET_RES_INFO(pCtx), 0, 1);
×
UNCOV
427
    return TSDB_CODE_SUCCESS;
×
428
  }
429

430
  if (pCol->info.type != TSDB_DATA_TYPE_BINARY) {
19,769!
431
    return TSDB_CODE_FUNC_FUNTION_PARA_TYPE;
×
432
  }
433

434
  SAvgRes* pInfo = GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
19,769✔
435

436
  int32_t start = pInput->startRowIndex;
19,769✔
437

438
  for (int32_t i = start; i < start + pInput->numOfRows; ++i) {
45,998✔
439
    if(colDataIsNull_s(pCol, i)) continue;
52,458!
440
    char*    data = colDataGetData(pCol, i);
26,229!
441
    SAvgRes* pInputInfo = (SAvgRes*)varDataVal(data);
26,229✔
442
    avgTransferInfo(pInputInfo, pInfo);
26,229✔
443
  }
444

445
  SET_VAL(GET_RES_INFO(pCtx), 1, 1);
19,769✔
446

447
  return TSDB_CODE_SUCCESS;
19,769✔
448
}
449

450
#ifdef BUILD_NO_CALL
451
int32_t avgInvertFunction(SqlFunctionCtx* pCtx) {
452
  int32_t numOfElem = 0;
453

454
  // Only the pre-computing information loaded and actual data does not loaded
455
  SInputColumnInfoData* pInput = &pCtx->input;
456
  SAvgRes* pAvgRes = GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
457

458
  // computing based on the true data block
459
  SColumnInfoData* pCol = pInput->pData[0];
460

461
  int32_t start = pInput->startRowIndex;
462
  int32_t numOfRows = pInput->numOfRows;
463

464
  switch (pCol->info.type) {
465
    case TSDB_DATA_TYPE_TINYINT: {
466
      LIST_AVG_N(pAvgRes->sum.isum, int8_t);
467
      break;
468
    }
469
    case TSDB_DATA_TYPE_SMALLINT: {
470
      LIST_AVG_N(pAvgRes->sum.isum, int16_t);
471
      break;
472
    }
473
    case TSDB_DATA_TYPE_INT: {
474
      LIST_AVG_N(pAvgRes->sum.isum, int32_t);
475
      break;
476
    }
477
    case TSDB_DATA_TYPE_BIGINT: {
478
      LIST_AVG_N(pAvgRes->sum.isum, int64_t);
479
      break;
480
    }
481
    case TSDB_DATA_TYPE_UTINYINT: {
482
      LIST_AVG_N(pAvgRes->sum.usum, uint8_t);
483
      break;
484
    }
485
    case TSDB_DATA_TYPE_USMALLINT: {
486
      LIST_AVG_N(pAvgRes->sum.usum, uint16_t);
487
      break;
488
    }
489
    case TSDB_DATA_TYPE_UINT: {
490
      LIST_AVG_N(pAvgRes->sum.usum, uint32_t);
491
      break;
492
    }
493
    case TSDB_DATA_TYPE_UBIGINT: {
494
      LIST_AVG_N(pAvgRes->sum.usum, uint64_t);
495
      break;
496
    }
497
    case TSDB_DATA_TYPE_FLOAT: {
498
      LIST_AVG_N(pAvgRes->sum.dsum, float);
499
      break;
500
    }
501
    case TSDB_DATA_TYPE_DOUBLE: {
502
      LIST_AVG_N(pAvgRes->sum.dsum, double);
503
      break;
504
    }
505
    default:
506
      break;
507
  }
508

509
  // data in the check operation are all null, not output
510
  SET_VAL(GET_RES_INFO(pCtx), numOfElem, 1);
511
  return TSDB_CODE_SUCCESS;
512
}
513
#endif
514

515
int32_t avgCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx) {
×
516
  SResultRowEntryInfo* pDResInfo = GET_RES_INFO(pDestCtx);
×
517
  SAvgRes*             pDBuf = GET_ROWCELL_INTERBUF(pDResInfo);
×
518

519
  SResultRowEntryInfo* pSResInfo = GET_RES_INFO(pSourceCtx);
×
520
  SAvgRes*             pSBuf = GET_ROWCELL_INTERBUF(pSResInfo);
×
521
  int16_t              type = pDBuf->type == TSDB_DATA_TYPE_NULL ? pSBuf->type : pDBuf->type;
×
522

523
  if (IS_SIGNED_NUMERIC_TYPE(type)) {
×
524
    CHECK_OVERFLOW_SUM_SIGNED(pDBuf, pSBuf->sum.isum)
×
525
  } else if (IS_UNSIGNED_NUMERIC_TYPE(type)) {
×
526
    CHECK_OVERFLOW_SUM_UNSIGNED(pDBuf, pSBuf->sum.usum)
×
527
  } else {
528
    pDBuf->sum.dsum += pSBuf->sum.dsum;
×
529
  }
530
  pDBuf->count += pSBuf->count;
×
531

532
  return TSDB_CODE_SUCCESS;
×
533
}
534

535
int32_t avgFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
42,561✔
536
  SResultRowEntryInfo* pEntryInfo = GET_RES_INFO(pCtx);
42,561✔
537

538
  SAvgRes* pRes = GET_ROWCELL_INTERBUF(pEntryInfo);
42,561✔
539
  int32_t  type = pRes->type;
42,561✔
540

541
  if (pRes->count > 0) {
42,561✔
542
    if(pRes->sum.overflow) {
38,577✔
543
      // overflow flag set , use dsum
544
      pRes->result = pRes->sum.dsum / ((double)pRes->count);
42✔
545
    }else if (IS_SIGNED_NUMERIC_TYPE(type)) {
38,535!
546
      pRes->result = pRes->sum.isum / ((double)pRes->count);
16,015✔
547
    } else if (IS_UNSIGNED_NUMERIC_TYPE(type)) {
22,520!
548
      pRes->result = pRes->sum.usum / ((double)pRes->count);
8,447✔
549
    } else {
550
      pRes->result = pRes->sum.dsum / ((double)pRes->count);
14,073✔
551
    }
552
  }
553

554
  if (pRes->count == 0 || isinf(pRes->result) || isnan(pRes->result)) {
42,561!
555
    pEntryInfo->numOfRes = 0;
3,990✔
556
  } else {
557
    pEntryInfo->numOfRes = 1;
38,571✔
558
  }
559

560
  return functionFinalize(pCtx, pBlock);
42,561✔
561
}
562

563
int32_t avgPartialFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
39,827✔
564
  SResultRowEntryInfo* pResInfo = GET_RES_INFO(pCtx);
39,827✔
565
  SAvgRes*             pInfo = GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
39,827✔
566
  int32_t              resultBytes = getAvgInfoSize();
39,827✔
567
  char*                res = taosMemoryCalloc(resultBytes + VARSTR_HEADER_SIZE, sizeof(char));
39,827✔
568
  int32_t              code = TSDB_CODE_SUCCESS;
39,830✔
569
  if (NULL == res) {
39,830✔
570
    return terrno;
5✔
571
  }
572
  (void)memcpy(varDataVal(res), pInfo, resultBytes);
39,825✔
573
  varDataSetLen(res, resultBytes);
39,825✔
574

575
  int32_t          slotId = pCtx->pExpr->base.resSchema.slotId;
39,825✔
576
  SColumnInfoData* pCol = taosArrayGet(pBlock->pDataBlock, slotId);
39,825✔
577
  if(NULL == pCol) {
39,825!
578
    code = TSDB_CODE_OUT_OF_RANGE;
×
579
    goto _exit;
×
580
  }
581

582
  code = colDataSetVal(pCol, pBlock->info.rows, res, false);
39,825✔
583

584
_exit:
39,824✔
585
  taosMemoryFree(res);
39,824✔
586
  return code;
39,825✔
587
}
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