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我有python腳本循環通過表,並根據特定的標準更新日期字段。pyodbc for循環和提交()
我是否必須在循環中的每個UPDATE後執行COMMIT,還是可以在循環之後在腳本末尾執行一個COMMIT?在下面的問題腳本的 部分:
for row in rows:
WO = row[0]
PLINE = str(row[2])[5:8].strip()
PPD = row[10]
if PLINE == "IP":
c_IP += 1
cursor.execute("UPDATE KSKWorkOrder SET PlanProductionDate = ? WHERE WorkOrder = ?",PPDates[c2_IP - 1], WO)
if c_IP == IP_CAP:
c_IP = 0
c2_IP = c2_IP + 1
if PLINE == "EB":
c_JB += 1
cursor.execute("UPDATE KSKWorkOrder SET PlanProductionDate = ? WHERE WorkOrder = ?",PPDates[c2_JB - 1], WO)
if c_JB == JB_CAP:
c_JB = 0
c2_JB = c2_JB + 1
if PLINE == "DLF":
c_DLF += 1
cursor.execute("UPDATE KSKWorkOrder SET PlanProductionDate = ? WHERE WorkOrder = ?",PPDates[c2_DLF - 1], WO)
if c_DLF == DLF_CAP:
c_DLF = 0
c2_DLF = c2_DLF + 1