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Set max CIDR for IPV6 cidr function

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This commit is contained in:
Guillaume Tassery 2019-07-19 11:39:25 +02:00
parent 2469ec1af3
commit 7063ab3c38
3 changed files with 5 additions and 1 deletions
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4
dbms/src/Functions/FunctionsCoding.h
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@ -1548,13 +1548,15 @@ public:
ColumnString::Chars & vec_res_upper_range = col_res_upper_range->getChars();
vec_res_upper_range.resize(input_rows_count * IPV6_BINARY_LENGTH);
const UInt8 max_cidr_mask = IPV6_BINARY_LENGTH * 8;
for (size_t offset = 0; offset < input_rows_count; ++offset)
{
const size_t offset_ipv6 = offset * IPV6_BINARY_LENGTH;
UInt8 cidr = col_const_cidr_in
? col_const_cidr_in->getValue<UInt8>()
: col_cidr_in->getData()[offset];
cidr = std::min(cidr, max_cidr_mask);
applyCIDRMask(&vec_in[offset_ipv6], &vec_res_lower_range[offset_ipv6], &vec_res_upper_range[offset_ipv6], cidr);
}

1
dbms/tests/queries/0_stateless/00938_ipv6_cidr_range.reference
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@ -15,3 +15,4 @@ ffff:: 4 ('f000::','ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff')
('ffff:ffff:ffff:ffff::','ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff')
('::','ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff')
('f000::','ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff')
1

1
dbms/tests/queries/0_stateless/00938_ipv6_cidr_range.sql
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@ -22,3 +22,4 @@ SELECT IPv6CIDRToRange(IPv6StringToNum('2001:0db8:0000:85a3:0000:0000:ac1f:8001'
SELECT IPv6CIDRToRange(IPv6StringToNum('ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff'), 64);
SELECT IPv6CIDRToRange(IPv6StringToNum('0000:0000:0000:0000:0000:0000:0000:0000'), 8);
SELECT IPv6CIDRToRange(IPv6StringToNum('ffff:0000:0000:0000:0000:0000:0000:0000'), 4);
SELECT IPv6CIDRToRange(IPv6StringToNum('2001:0db8:0000:85a3:0000:0000:ac1f:8001'), 128) = IPv6CIDRToRange(IPv6StringToNum('2001:0db8:0000:85a3:0000:0000:ac1f:8001'), 200) ;