homework-jianmu/tests/pytest/table/boundary.py

162 lines
4.9 KiB
Python

# -*- coding: utf-8 -*-
import random
import string
import subprocess
import sys
from util.log import *
from util.cases import *
from util.sql import *
class TDTestCase:
def init( self, conn ):
tdLog.debug("start to execute %s" % __file__)
tdSql.init(conn.cursor())
def getLimitFromSourceCode( self, name ):
cmd = "grep -w '#define %s' ../../src/inc/taosdef.h|awk '{print $3}'" % name
return int(subprocess.check_output(cmd, shell=True))
def generateString( self, length ):
chars = string.ascii_uppercase + string.ascii_lowercase
v = ""
for i in range( length ):
v += random.choice( chars )
return v
def checkTagBoundaries( self ):
tdLog.debug( "checking tag boundaries" )
tdSql.prepare()
maxTags = self.getLimitFromSourceCode( 'TSDB_MAX_TAGS' )
totalTagsLen = self.getLimitFromSourceCode( 'TSDB_MAX_TAGS_LEN' )
tdLog.notice( "max tags is %d" % maxTags )
tdLog.notice( "max total tag length is %d" % totalTagsLen )
# for binary tags, 2 bytes are used for length
tagLen = (totalTagsLen - maxTags * 2) // maxTags
firstTagLen = totalTagsLen - 2 * maxTags - tagLen * (maxTags - 1)
sql = "create table cars(ts timestamp, f int) tags(t0 binary(%d)" % firstTagLen
for i in range( 1, maxTags ):
sql += ", t%d binary(%d)" % (i, tagLen)
sql += ");"
tdLog.debug( "creating super table: " + sql )
tdSql.execute( sql )
tdSql.query( 'show stables' )
tdSql.checkRows( 1 )
for i in range( 10 ):
sql = "create table car%d using cars tags('%d'" % (i, i)
sql += ", '0'" * (maxTags - 1) + ");"
tdLog.debug( "creating table: " + sql )
tdSql.execute( sql )
sql = "insert into car%d values(now, 0);" % i
tdLog.debug( "inserting data: " + sql )
tdSql.execute( sql )
tdSql.query( 'show tables' )
tdLog.info( 'tdSql.checkRow(10)' )
tdSql.checkRows( 10 )
tdSql.query( 'select * from cars;' )
tdSql.checkRows( 10 )
def checkColumnBoundaries( self ):
tdLog.debug( "checking column boundaries" )
tdSql.prepare()
# one column is for timestamp
maxCols = self.getLimitFromSourceCode( 'TSDB_MAX_COLUMNS' ) - 1
sql = "create table cars (ts timestamp"
for i in range( maxCols ):
sql += ", c%d int" % i
sql += ");"
tdSql.execute( sql )
tdSql.query( 'show tables' )
tdSql.checkRows( 1 )
sql = "insert into cars values (now"
for i in range( maxCols ):
sql += ", %d" % i
sql += ");"
tdSql.execute( sql )
tdSql.query( 'select * from cars' )
tdSql.checkRows( 1 )
def checkTableNameBoundaries( self ):
tdLog.debug( "checking table name boundaries" )
tdSql.prepare()
maxTableNameLen = self.getLimitFromSourceCode( 'TSDB_TABLE_NAME_LEN' )
tdLog.notice( "table name max length is %d" % maxTableNameLen )
name = self.generateString( maxTableNameLen - 1)
tdLog.info( "table name is '%s'" % name )
tdSql.execute( "create table %s (ts timestamp, value int)" % name )
tdSql.execute( "insert into %s values(now, 0)" % name )
tdSql.query( 'show tables' )
tdSql.checkRows( 1 )
tdSql.query( 'select * from %s' % name )
tdSql.checkRows( 1 )
def checkRowBoundaries( self ):
tdLog.debug( "checking row boundaries" )
tdSql.prepare()
# 8 bytes for timestamp
maxRowSize = 65536 - 8
maxCols = self.getLimitFromSourceCode( 'TSDB_MAX_COLUMNS' ) - 1
# for binary cols, 2 bytes are used for length
colLen = (maxRowSize - maxCols * 2) // maxCols
firstColLen = maxRowSize - 2 * maxCols - colLen * (maxCols - 1)
sql = "create table cars (ts timestamp, c0 binary(%d)" % firstColLen
for i in range( 1, maxCols ):
sql += ", c%d binary(%d)" % (i, colLen)
sql += ");"
tdSql.execute( sql )
tdSql.query( 'show tables' )
tdSql.checkRows( 1 )
col = self.generateString( firstColLen )
sql = "insert into cars values (now, '%s'" % col
col = self.generateString( colLen )
for i in range( 1, maxCols ):
sql += ", '%s'" % col
sql += ");"
tdLog.info( sql );
tdSql.execute( sql )
tdSql.query( "select * from cars" )
tdSql.checkRows( 1 )
def run(self):
self.checkTagBoundaries()
self.checkColumnBoundaries()
self.checkTableNameBoundaries()
self.checkRowBoundaries()
def stop(self):
tdSql.close()
tdLog.success("%s successfully executed" % __file__)
tdCases.addWindows(__file__, TDTestCase())
tdCases.addLinux(__file__, TDTestCase())