在python中，我使用“insert on update keyword”插入表中。但是，如果在update语句中使用了一定数量的列，则查询将永久进行。我必须手动杀死它。在我的情况下，列数为21.因此在SQL5变量中，如果更新次数减少到10，则此代码开始工作。我还检查了oursql moddule，它与oursql模块一起使用。有人可以告诉我这是一个错误还是我做错了什么。刚添加我还将MYSQL变量max_allowed_packet更改为1024M。
以下是代码：
CREATE TABLE `bseb_scada_stg` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`date` date DEFAULT NULL,
`time` time DEFAULT NULL,
`schedule` double DEFAULT NULL,
`total_drawal` double DEFAULT NULL,
`ui_pow` double DEFAULT NULL,
`freq` double DEFAULT NULL,
`ui_rate` double DEFAULT NULL,
`purnea_pg_purnea_bseb` double DEFAULT NULL,
`purnea_pg_kishangunj` double DEFAULT NULL,
`muzaffarpur_pg_mtps_kanti` double DEFAULT NULL,
`kafen_pg_hajipur` double DEFAULT NULL,
`purnea_pg_madhepura_bseb` double DEFAULT NULL,
`kb_gen` double DEFAULT NULL,
`begusarai_b_sharif` double DEFAULT NULL,
`b_sharif_pg_b_sharif_bseb` double DEFAULT NULL,
`pusauli_pg_dehri_bseb` double DEFAULT NULL,
`pusauli_pg_arah_pg` int(11) DEFAULT NULL,
`patna_pg_khagaul_bseb` double DEFAULT NULL,
`patna_pg_fatwa_bseb` int(11) DEFAULT NULL,
`k_gaon_ntpc_k_gaon_bseb` double DEFAULT NULL,
`k_gaon_ntpc_sabour_bseb` double DEFAULT NULL,
`lalmatia_sabour_sult` int(11) DEFAULT NULL,
`b_sharif_barhi_barhi_end` double DEFAULT NULL,
`barhi_rajgir` double DEFAULT NULL,
`b_sharif_tenughat` double DEFAULT NULL,
`sonenar_garhwa` double DEFAULT NULL,
`sultangunj_deoghar` int(11) DEFAULT NULL,
`sonenagar_rihand` int(11) DEFAULT NULL,
`karmanasa_sahupuri` int(11) DEFAULT NULL,
`gaya_pg_bodhgaya_bseb` double DEFAULT NULL,
`gaya_pg_dehri_bseb` double DEFAULT NULL,
`patna_pg_sipara_bseb` double DEFAULT NULL,
`banka_pg_banka_bseb` double DEFAULT NULL,
`lakhisarai_lakhisarai_pg` double DEFAULT NULL,
`lakhisarai_jamui` double DEFAULT NULL,
`PK` int(11) DEFAULT NULL,
`U_I_Ind` int(11) DEFAULT NULL,
`Load_Ind` int(11) DEFAULT NULL,
`Load_Date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
PRIMARY KEY (`id`),
UNIQUE KEY `date_time_UNIQUE` (`date`,`time`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;
import MySQLdb
data = [('04/11/2014', '0:01:31', '2129.7', '2166.9', '-37.2', '50.03', '106.8', '123.2413445', '40.52749252', '339.7173157', '96.14920044', '106.1057739', '78.25858307', '120.7000008', '-272.524292', '69.84365845', '-9.233032227', '127.5198746', '0', '31.44219208', '49.53681183', '0', '0.04003052', '0.030030521', '-175.3537292', '34.77833557', '0', '0', '0', '-110.5733643', '168.9000015', '218.2078094', '24.44289398', '60.0909462', '66.49983215'), ('04/11/2014', '0:02:01', '2129.7', '2168', '-38.3', '50', '178', '123.1911049', '40.55540085', '340.3117371', '94.96035767', '106.1057739', '78.25858307', '120.7000008', '-270.7372437', '68.05661011', '-7.445983887', '127.5198746', '0', '31.44219208', '49.53681183', '0', '0.04003052', '0.030030521', '-177.5875549', '34.24224854', '0', '0', '0', '-110.5733643', '168.9000015', '218.2078094', '24.44289398', '62.95358276', '62.94747925'), ('04/11/2014', '0:02:30', '2129.7', '2176.3', '-46.6', '49.97', '240.5', '123.0962105', '40.45493317', '340.9061584', '87.23275757', '106.1057739', '78.25858307', '120.6000023', '-271.6307373', '70.14151001', '-8.637390137', '127.5198746', '0', '31.44219208', '49.53681183', '0', '0.030030521', '0.030030521', '-176.6940308', '34.77833557', '0', '0', '0', '-112.1370392', '167.0999985', '218.2078094', '24.44289398', '64.015625', '66.52424622')]
conn = MySQLdb.connect(passwd="****",db="***")
SQL5 = """insert into `bseb_scada_stg`
(`date`,
`time`,
`schedule`,
`total_drawal`,
`ui_pow`,
`freq`,
`ui_rate`,
`purnea_pg_purnea_bseb`,
`purnea_pg_kishangunj`,
`muzaffarpur_pg_mtps_kanti`,
`kafen_pg_hajipur`,
`purnea_pg_madhepura_bseb`,
`kb_gen`,
`begusarai_b_sharif`,
`b_sharif_pg_b_sharif_bseb`,
`pusauli_pg_dehri_bseb`,
`pusauli_pg_arah_pg`,
`patna_pg_khagaul_bseb`,
`patna_pg_fatwa_bseb`,
`k_gaon_ntpc_k_gaon_bseb`,
`k_gaon_ntpc_sabour_bseb`,
`lalmatia_sabour_sult`,
`b_sharif_barhi_barhi_end`,
`barhi_rajgir`,
`b_sharif_tenughat`,
`sonenar_garhwa`,
`sultangunj_deoghar`,
`sonenagar_rihand`,
`karmanasa_sahupuri`,
`gaya_pg_bodhgaya_bseb`,
`gaya_pg_dehri_bseb`,
`patna_pg_sipara_bseb`,
`banka_pg_banka_bseb`,
`lakhisarai_lakhisarai_pg`,
`lakhisarai_jamui`)
values(
STR_TO_DATE(%s,'%%d/%%m/%%Y'),
STR_TO_DATE(%s,'%%H:%%i:%%s'),
%s, %s, %s, %s, %s,
%s, %s, %s, %s, %s,
%s, %s, %s, %s, %s,
%s, %s, %s, %s, %s,
%s, %s, %s, %s, %s,
%s, %s, %s, %s, %s,
%s, %s, %s)
on duplicate key
update `schedule` = values(schedule),
`total_drawal` = values(total_drawal),
`ui_pow` = values(ui_pow),
`freq` = values(freq),
`ui_rate` = values(ui_rate),
`purnea_pg_purnea_bseb` = values(purnea_pg_purnea_bseb),
`purnea_pg_kishangunj` = values(purnea_pg_kishangunj),
`muzaffarpur_pg_mtps_kanti` = values(muzaffarpur_pg_mtps_kanti),
`kafen_pg_hajipur` = values(kafen_pg_hajipur),
`purnea_pg_madhepura_bseb` = values(purnea_pg_madhepura_bseb),
`kb_gen` = values(kb_gen),
`begusarai_b_sharif` = values(begusarai_b_sharif),
`b_sharif_pg_b_sharif_bseb` = values(b_sharif_pg_b_sharif_bseb),
`pusauli_pg_dehri_bseb` = values(pusauli_pg_dehri_bseb),
`pusauli_pg_arah_pg` = values(pusauli_pg_arah_pg),
`patna_pg_khagaul_bseb` = values(patna_pg_khagaul_bseb),
`patna_pg_fatwa_bseb` = values(patna_pg_fatwa_bseb),
`k_gaon_ntpc_k_gaon_bseb` = values(k_gaon_ntpc_k_gaon_bseb),
`k_gaon_ntpc_sabour_bseb` = values(k_gaon_ntpc_sabour_bseb),
`lalmatia_sabour_sult` = values(lalmatia_sabour_sult),
`b_sharif_barhi_barhi_end` = values(b_sharif_barhi_barhi_end),
`barhi_rajgir` = values(barhi_rajgir),
`b_sharif_tenughat` = values(b_sharif_tenughat),
`sonenar_garhwa` = values(sonenar_garhwa),
`sultangunj_deoghar` = values(sultangunj_deoghar),
`sonenagar_rihand` = values(sonenagar_rihand),
`karmanasa_sahupuri` = values(karmanasa_sahupuri),
`gaya_pg_bodhgaya_bseb` = values(gaya_pg_bodhgaya_bseb),
`gaya_pg_dehri_bseb` = values(gaya_pg_dehri_bseb),
`patna_pg_sipara_bseb` = values(patna_pg_sipara_bseb),
`banka_pg_banka_bseb` = values(banka_pg_banka_bseb),
`lakhisarai_lakhisarai_pg` = values(lakhisarai_lakhisarai_pg),
`lakhisarai_jamui` = values(lakhisarai_jamui)"""
cursor = conn.cursor()
cursor.executemany(SQL5, data)
conn.commit()
cursor.close()