3
for circuit in allCircuit: # a cvs of 4 columns
part = circuit.split(",")
res = cur.execute("""SELECT col4 from ATable WHERE
("col1" = :a
AND "col2" = :b
AND "col3" = :c
AND "col4" = :d)
ORDER BY col4""",a = part[0], b= part[1], c = part[2], d = part[3])
part [0]到part [3]可能包含NULL(typed)值。SqlDeveloper - 在脚本查询中检查没有IS NULL子句的NULL值
但甲骨文不接受where子句,如:
WHERE “COL1”= NULL
WRONG
WHERE “COL1” IS NULL
RIGHT
如何是否将“IS NULL”stmt放入我的脚本查询中而不是“col = NULL”?