创建此脚本的目的是清除在另一个表中没有对应行的表(必须通过arcpy进行创建,因为该表是从ESRI启用存档的要素类)。我正在生产中测试此脚本,因此,实际上是使用计数器,而不是实际擦除行。但是,当计数器“ excluidos”的值约为310000时,脚本将停止。 arcpy更新游标有一些内存限制吗? (通常我会收到一些python内存错误消息,这里不是这种情况),或者这里缺少一些逻辑问题?
# -*- encoding: utf-8 -*-
import os.path, sys, time
sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
from arcpy import da
pasta = os.path.abspath(os.path.join( os.path.dirname(__file__), '..', 'modelos'))
fc = 'Database Connections/geodados em arcgissql01.sde/geodados.sigamgeo.fis_vistorias_aia_tcra'
fc2 = 'Database Connections/geodados em arcgissql01.sde/geodados.sigamgeo.tb_fis_vistorias_aia_tcra'
workspace = os.path.dirname(fc)
campos = [
"NIS"
,"Sigla"]
campos2 = ["NIS", "DataElabRTV"]
print str(time.strftime('%x %X'))
print 'Iniciando busca de registros no workspace: ' + fc2
lista = []
listIg = []
with da.SearchCursor(fc2, (campos2)) as sc:
for row in sc:
if row[0] <> None:
lista.append(row[0])
print str(time.strftime('%x %X'))
print 'Iniciando exclusao de registros no workspace: ' + fc
try:
edit = da.Editor(workspace)
print str(time.strftime('%x %X'))
print 'Iniciando edicao.'
edit.startEditing(False, False) #undo/multiuser
print str(time.strftime('%x %X'))
print 'Iniciando operacao.'
edit.startOperation()
except Exception as e:
print e
sys.exit(0)
print str(time.strftime('%x %X'))
print 'Iniciando exclusao.'
excluidos = 0
ignorados = 0
multiplo = 100000
try:
with da.UpdateCursor(fc, (campos)) as cursorExc:
for row in cursorExc:
if row[0] <> None:
verifExcec = False
for reg in lista:
if reg == int(row[0]):
verifExcec = True
if verifExcec:
listIg.append(reg)
ignorados += 1
continue
else:
#cursorExc.deleteRow()
excluidos += 1
else:
ignorados += 1
#verifica se o contador e igual ao multiplo definido para emitir o aviso
if (excluidos % multiplo == 0):
print u"{0} - {1} ".format(time.strftime('%x %X'), excluidos) + u" registros excluídos até o momento."
except Exception as e:
print e
print str(time.strftime('%x %X'))
print str(excluidos) + ' registros excluidos.'
print str(time.strftime('%x %X'))
print str(ignorados) + ' registros ignorados.'
try:
# Stop the edit operation.
print str(time.strftime('%x %X'))
print 'Encerrando operacao.'
edit.stopOperation()
# Stop the edit session and save the changes
print str(time.strftime('%x %X'))
print 'Encerrando edicao.'
edit.stopEditing(True)
except Exception as e:
print e
listIg.sort()
for nis in listIg:
print nis
答案 0 :(得分:0)
我认为局限性在于arcpy,所以我应该在GIS Stack Exchange上提出这个问题。无论如何,我用一个慢得多的解决方案“解决了”这个问题,为每个排除项开始和停止了版本:
print str(time.strftime('%x %X'))
print 'Iniciando busca de registros no workspace: ' + fc2
listAIA = []
listVist = []
listIg = []
adicionados = 0
ignorados = 0
with da.SearchCursor(fc2, (campos2)) as sc:
for row in sc:
if row[0] <> None:
listVist.append(row[0])
with da.SearchCursor(fc, (campos)) as sc1:
for row in sc1:
verifExcec = False
if row[0] <> None:
for vist in listVist:
if int(row[0]) == vist:
verifExcec = True
if verifExcec:
ignorados += 1
listIg.append(row[0])
continue
else:
listAIA.append(row[0])
adicionados += 1
else:
ignorados += 1
listIg.append(row[0])
print str(time.strftime('%x %X'))
print 'Iniciando exclusao de registros no workspace: ' + fc
col_1 = 'NIS'
excluidos = 0
multiplo = 100000
for reg in listAIA:
expressao = '"' + col_1 + '" = ' + str(reg)
try:
edit = da.Editor(workspace)
edit.startEditing(False, False) #undo/multiuser
edit.startOperation()
except Exception as e:
print e
sys.exit(0)
try:
with da.UpdateCursor(fc, (campos), expressao) as cursorExc:
for row in cursorExc:
#cursorExc.deleteRow()
excluidos += 1
print u"{0} - {1} ".format(time.strftime('%x %X'), excluidos) + u" registros excluídos até o momento."
except Exception as e:
print e
try:
# Stop the edit operation.
edit.stopOperation()
# Stop the edit session and save the changes
edit.stopEditing(True)
except Exception as e:
print e
if (excluidos % multiplo == 0):
print u"{0} - {1} ".format(time.strftime('%x %X'), excluidos) + u" registros excluídos até o momento."
print str(time.strftime('%x %X'))
print str(excluidos) + ' registros excluidos.'
print str(time.strftime('%x %X'))
print str(ignorados) + ' registros ignorados.'