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fix: float and double tsz check

This commit is contained in:
Alex Duan 2024-02-04 14:56:24 +08:00
parent b4621bb37c
commit 0029c348c5
3 changed files with 24 additions and 5 deletions
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4
tests/army/community/cluster/snapshot.json
View File

@ -35,8 +35,8 @@
"start_timestamp":"now-12d",
"columns": [
{ "type": "bool", "name": "bc"},
{ "type": "float", "name": "fc" },
{ "type": "double", "name": "dc"},
{ "type": "float", "name": "fc", "min": 100, "min": 100},
{ "type": "double", "name": "dc", "min": 200, "min": 200},
{ "type": "tinyint", "name": "ti"},
{ "type": "smallint", "name": "si" },
{ "type": "int", "name": "ic" },

17
tests/army/community/cluster/snapshot.py
View File

@ -52,6 +52,16 @@ class TDTestCase(TBase):
sql = f"create table {self.db}.ta(ts timestamp, age int) tags(area int)"
tdSql.execute(sql)
def checkFloatDouble(self):
sql = f"select count(*) from {self.db}.{self.stb} where fc!=100"
tdSql.checkFirstValue(sql, 0)
sql = f"select count(*) from {self.db}.{self.stb} where dc!=200"
tdSql.checkFirstValue(sql, 0)
sql = f"select avg(fc) from {self.db}.{self.stb}"
tdSql.checkFirstValue(sql, 100)
sql = f"select avg(dc) from {self.db}.{self.stb}"
tdSql.checkFirstValue(sql, 200)
def doAction(self):
tdLog.info(f"do action.")
self.flushDb()
@ -89,6 +99,9 @@ class TDTestCase(TBase):
# check insert data correct
self.checkInsertCorrect()
# check float double value ok
tdSql.checkFloatDouble()
# save
self.snapshotAgg()
@ -101,6 +114,10 @@ class TDTestCase(TBase):
# check insert correct again
self.checkInsertCorrect()
# check float double value ok
tdSql.checkFloatDouble()
tdLog.success(f"{__file__} successfully executed")

6
utils/TSZ/sz/src/sz_double.c
View File

@ -385,9 +385,11 @@ unsigned int optimize_intervals_double_1D_opt(double *oriData, size_t dataLength
totalSampleSize++;
pred_value = data_pos[-1];
pred_err = fabs(pred_value - *data_pos);
radiusIndex = (unsigned long)((pred_err/realPrecision+1)/2);
if(radiusIndex>=confparams_cpr->maxRangeRadius)
double dbri = (unsigned long)((pred_err/realPrecision+1)/2);
if(dbri >= (double)confparams_cpr->maxRangeRadius)
radiusIndex = confparams_cpr->maxRangeRadius - 1;
else
radiusIndex = dbri;
intervals[radiusIndex]++;
data_pos += confparams_cpr->sampleDistance;