homework-jianmu/tests/pytest/alter/alter_stable.py

143 lines
5.1 KiB
Python

# -*- coding: utf-8 -*-
import sys
import taos
from util.log import *
from util.cases import *
from util.sql import *
from util.dnodes import *
class TDTestCase:
def init(self, conn, logSql):
tdLog.debug("start to execute %s" % __file__)
tdSql.init(conn.cursor(), logSql)
self.types = [
"int",
"bigint",
"float",
"double",
"smallint",
"tinyint",
"int unsigned",
"bigint unsigned",
"smallint unsigned",
"tinyint unsigned",
"binary(10)",
"nchar(10)",
"timestamp"]
self.rowNum = 300
self.ts = 1537146000000
self.step = 1000
self.sqlHead = "select count(*), count(c1) "
self.sqlTail = " from stb"
def addColumnAndCount(self):
for colIdx in range(len(self.types)):
tdSql.execute(
"alter table stb add column c%d %s" %
(colIdx + 2, self.types[colIdx]))
self.sqlHead = self.sqlHead + ",count(c%d) " % (colIdx + 2)
tdSql.query(self.sqlHead + self.sqlTail)
# count non-NULL values in each column
tdSql.checkData(0, 0, self.rowNum * (colIdx + 1))
tdSql.checkData(0, 1, self.rowNum * (colIdx + 1))
for i in range(2, colIdx + 2):
print("check1: i=%d colIdx=%d" % (i, colIdx))
tdSql.checkData(0, i, self.rowNum * (colIdx - i + 2))
# insert more rows
for k in range(self.rowNum):
self.ts += self.step
sql = "insert into tb values (%d, %d" % (self.ts, colIdx + 2)
for j in range(colIdx + 1):
sql += ", %d" % (colIdx + 2)
sql += ")"
tdSql.execute(sql)
# count non-NULL values in each column
tdSql.query(self.sqlHead + self.sqlTail)
tdSql.checkData(0, 0, self.rowNum * (colIdx + 2))
tdSql.checkData(0, 1, self.rowNum * (colIdx + 2))
for i in range(2, colIdx + 2):
print("check2: i=%d colIdx=%d" % (i, colIdx))
tdSql.checkData(0, i, self.rowNum * (colIdx - i + 3))
def dropColumnAndCount(self):
tdSql.query(self.sqlHead + self.sqlTail)
res = []
for i in range(len(self.types)):
res.append(tdSql.getData(0, i + 2))
print(res)
for colIdx in range(len(self.types), 0, -1):
tdSql.execute("alter table stb drop column c%d" % (colIdx + 2))
# self.sqlHead = self.sqlHead + ",count(c%d) " %(colIdx + 2)
tdSql.query(self.sqlHead + self.sqlTail)
# count non-NULL values in each column
tdSql.checkData(0, 0, self.rowNum * (colIdx + 1))
tdSql.checkData(0, 1, self.rowNum * (colIdx + 1))
for i in range(2, colIdx + 2):
print("check1: i=%d colIdx=%d" % (i, colIdx))
tdSql.checkData(0, i, self.rowNum * (colIdx - i + 2))
# insert more rows
for k in range(self.rowNum):
self.ts += self.step
sql = "insert into tb values (%d, %d" % (self.ts, colIdx + 2)
for j in range(colIdx + 1):
sql += ", %d" % (colIdx + 2)
sql += ")"
tdSql.execute(sql)
# count non-NULL values in each column
tdSql.query(self.sqlHead + self.sqlTail)
tdSql.checkData(0, 0, self.rowNum * (colIdx + 2))
tdSql.checkData(0, 1, self.rowNum * (colIdx + 2))
for i in range(2, colIdx + 2):
print("check2: i=%d colIdx=%d" % (i, colIdx))
tdSql.checkData(0, i, self.rowNum * (colIdx - i + 3))
def run(self):
# Setup params
db = "db"
# Create db
tdSql.execute("drop database if exists %s" % (db))
tdSql.execute("reset query cache")
tdSql.execute("create database %s maxrows 200 maxtables 4" % (db))
tdSql.execute("use %s" % (db))
# Create a table with one colunm of int type and insert 300 rows
tdLog.info("Create stb and tb")
tdSql.execute("create table stb (ts timestamp, c1 int) tags (tg1 int)")
tdSql.execute("create table tb using stb tags (0)")
tdLog.info("Insert %d rows into tb" % (self.rowNum))
for k in range(1, self.rowNum + 1):
self.ts += self.step
tdSql.execute("insert into tb values (%d, 1)" % (self.ts))
# Alter tb and add a column of smallint type, then query tb to see if
# all added column are NULL
self.addColumnAndCount()
tdDnodes.stop(1)
time.sleep(5)
tdDnodes.start(1)
time.sleep(5)
tdSql.query(self.sqlHead + self.sqlTail)
for i in range(2, len(self.types) + 2):
tdSql.checkData(0, i, self.rowNum * (len(self.types) + 2 - i))
self.dropColumnAndCount()
def stop(self):
tdSql.close()
tdLog.success("%s successfully executed" % __file__)
#tdCases.addWindows(__file__, TDTestCase())
tdCases.addLinux(__file__, TDTestCase())