key_condtion_pkey = Key(pkey_name).eq(pkey)
if skey is None:
return {"KeyConditionExpression": key_condtion_pkey}
else:
key_condtion_skey = Key(skey_name)
if skey_cond == "eq":
return {
"KeyConditionExpression": key_condtion_pkey
& key_condtion_skey.eq(skey)
}
elif skey_cond == "ne":
return {
"KeyConditionExpression": key_condtion_pkey
& key_condtion_skey.ne(skey)
}
elif skey_cond == "gt":
return {
"KeyConditionExpression": key_condtion_pkey
& key_condtion_skey.gt(skey)
}
elif skey_cond == "ge":
return {
"KeyConditionExpression": key_condtion_pkey
& key_condtion_skey.gte(skey)
}
elif skey_cond == "lt":
return {
"KeyConditionExpression": key_condtion_pkey
& key_condtion_skey.lt(skey)
