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Merge pull request #2327 from taosdata/feature/pyconn 

Feature/pyconn: fix describe tables bugs which will cause the wrong length info of binary/nchar
This commit is contained in:
Shengliang Guan 2020-06-17 21:11:10 +08:00 committed by GitHub
parent 53885b7d76 b986843d7d
commit 75bc8d4c8a
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 24 additions and 10 deletions
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8
src/client/src/tscLocal.c
View File

@ -183,8 +183,12 @@ static int32_t tscSetValueToResObj(SSqlObj *pSql, int32_t rowLen) {
// type length
int32_t bytes = pSchema[i].bytes;
pField = tscFieldInfoGetField(&pQueryInfo->fieldsInfo, 2);
if (pSchema[i].type == TSDB_DATA_TYPE_NCHAR) {
bytes = bytes / TSDB_NCHAR_SIZE;
if (pSchema[i].type == TSDB_DATA_TYPE_BINARY || pSchema[i].type == TSDB_DATA_TYPE_NCHAR) {
bytes -= VARSTR_HEADER_SIZE;
if (pSchema[i].type == TSDB_DATA_TYPE_NCHAR) {
bytes = bytes / TSDB_NCHAR_SIZE;
}
}
*(int32_t *)(pRes->data + tscFieldInfoGetOffset(pQueryInfo, 2) * totalNumOfRows + pField->bytes * i) = bytes;

8
tests/pytest/random-test/random-test.py
View File

@ -17,6 +17,7 @@ from util.log import *
from util.cases import *
from util.sql import *
from util.dnodes import *
import codecs
class Test:
@ -93,14 +94,13 @@ class Test:
self.last_stb = current_stb
current_tb = "tb%d" % int(round(time.time() * 1000))
tdSql.execute(
"create table %s using %s tags (1, '表1')" %
(current_tb, self.last_stb))
sqlcmd = "create table %s using %s tags (1, 'test')" %(current_tb, self.last_stb)
tdSql.execute(sqlcmd)
self.last_tb = current_tb
self.written = 0
tdSql.execute(
"insert into %s values (now, 27, '我是nchar字符串')" %
"insert into %s values (now, 27, 'wsnchar')" %
self.last_tb)
self.written = self.written + 1

18
tests/pytest/util/sql.py
View File

@ -40,10 +40,18 @@ class TDSql:
def prepare(self):
tdLog.info("prepare database:db")
self.cursor.execute('reset query cache')
self.cursor.execute('drop database if exists db')
self.cursor.execute('create database db')
self.cursor.execute('use db')
s = 'reset query cache'
print(s)
self.cursor.execute(s)
s = 'drop database if exists db'
print(s)
self.cursor.execute(s)
s = 'create database db'
print(s)
self.cursor.execute(s)
s = 'use db'
print(s)
self.cursor.execute(s)
def error(self, sql):
expectErrNotOccured = True
@ -66,6 +74,7 @@ class TDSql:
def query(self, sql):
self.sql = sql
print(sql)
self.cursor.execute(sql)
self.queryResult = self.cursor.fetchall()
self.queryRows = len(self.queryResult)
@ -182,6 +191,7 @@ class TDSql:
def execute(self, sql):
self.sql = sql
print(sql)
self.affectedRows = self.cursor.execute(sql)
return self.affectedRows