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

162 lines
5.9 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 tb"
def addColumnAndCount(self):
for colIdx in range(len(self.types)):
tdSql.execute(
"alter table tb 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[i] = tdSql.getData(0, i + 2)
print(res.join)
for colIdx in range(len(self.types), 0, -1):
tdSql.execute("alter table tb 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 alter_table_255_times(self): # add case for TD-6207
for i in range(255):
tdLog.info("alter table st add column cb%d int"%i)
tdSql.execute("alter table st add column cb%d int"%i)
tdSql.execute("insert into t0 (ts,c1) values(now,1)")
tdSql.execute("reset query cache")
tdSql.query("select * from st")
tdSql.execute("create table mt(ts timestamp, i int)")
tdSql.execute("insert into mt values(now,11)")
tdSql.query("select * from mt")
tdDnodes.stop(1)
tdDnodes.start(1)
tdSql.query("describe db.st")
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" % (db))
tdSql.execute("use %s" % (db))
# Create a table with one colunm of int type and insert 300 rows
tdLog.info("create table tb")
tdSql.execute("create table tb (ts timestamp, c1 int)")
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)
tdDnodes.start(1)
tdSql.query(self.sqlHead + self.sqlTail)
size = len(self.types) + 2
for i in range(2, size):
tdSql.checkData(0, i, self.rowNum * (size - i))
tdSql.execute("create table st(ts timestamp, c1 int) tags(t1 float,t2 int,t3 double)")
tdSql.execute("create table t0 using st tags(null,1,2.3)")
tdSql.execute("alter table t0 set tag t1=2.1")
tdSql.query("show tables")
tdSql.checkRows(2)
self.alter_table_255_times()
def stop(self):
tdSql.close()
tdLog.success("%s successfully executed" % __file__)
tdCases.addLinux(__file__, TDTestCase())