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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
commit | 6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch) | |
tree | 657d8194422a5daccecfd42d654b8a245ef7b4c8 /contrib/uuid-ossp/expected/uuid_ossp.out | |
parent | Initial commit. (diff) | |
download | postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.tar.xz postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.zip |
Adding upstream version 13.4.upstream/13.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'contrib/uuid-ossp/expected/uuid_ossp.out')
-rw-r--r-- | contrib/uuid-ossp/expected/uuid_ossp.out | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/contrib/uuid-ossp/expected/uuid_ossp.out b/contrib/uuid-ossp/expected/uuid_ossp.out new file mode 100644 index 0000000..409c885 --- /dev/null +++ b/contrib/uuid-ossp/expected/uuid_ossp.out @@ -0,0 +1,139 @@ +CREATE EXTENSION "uuid-ossp"; +SELECT uuid_nil(); + uuid_nil +-------------------------------------- + 00000000-0000-0000-0000-000000000000 +(1 row) + +SELECT uuid_ns_dns(); + uuid_ns_dns +-------------------------------------- + 6ba7b810-9dad-11d1-80b4-00c04fd430c8 +(1 row) + +SELECT uuid_ns_url(); + uuid_ns_url +-------------------------------------- + 6ba7b811-9dad-11d1-80b4-00c04fd430c8 +(1 row) + +SELECT uuid_ns_oid(); + uuid_ns_oid +-------------------------------------- + 6ba7b812-9dad-11d1-80b4-00c04fd430c8 +(1 row) + +SELECT uuid_ns_x500(); + uuid_ns_x500 +-------------------------------------- + 6ba7b814-9dad-11d1-80b4-00c04fd430c8 +(1 row) + +-- some quick and dirty field extraction functions +-- this is actually timestamp concatenated with clock sequence, per RFC 4122 +CREATE FUNCTION uuid_timestamp_bits(uuid) RETURNS varbit AS +$$ SELECT ('x' || substr($1::text, 15, 4) || substr($1::text, 10, 4) || + substr($1::text, 1, 8) || substr($1::text, 20, 4))::bit(80) + & x'0FFFFFFFFFFFFFFF3FFF' $$ +LANGUAGE SQL STRICT IMMUTABLE; +CREATE FUNCTION uuid_version_bits(uuid) RETURNS varbit AS +$$ SELECT ('x' || substr($1::text, 15, 2))::bit(8) & '11110000' $$ +LANGUAGE SQL STRICT IMMUTABLE; +CREATE FUNCTION uuid_reserved_bits(uuid) RETURNS varbit AS +$$ SELECT ('x' || substr($1::text, 20, 2))::bit(8) & '11000000' $$ +LANGUAGE SQL STRICT IMMUTABLE; +CREATE FUNCTION uuid_multicast_bit(uuid) RETURNS bool AS +$$ SELECT (('x' || substr($1::text, 25, 2))::bit(8) & '00000001') != '00000000' $$ +LANGUAGE SQL STRICT IMMUTABLE; +CREATE FUNCTION uuid_local_admin_bit(uuid) RETURNS bool AS +$$ SELECT (('x' || substr($1::text, 25, 2))::bit(8) & '00000010') != '00000000' $$ +LANGUAGE SQL STRICT IMMUTABLE; +CREATE FUNCTION uuid_node(uuid) RETURNS text AS +$$ SELECT substr($1::text, 25) $$ +LANGUAGE SQL STRICT IMMUTABLE; +-- Ideally, the multicast bit would never be set in V1 output, but the +-- UUID library may fall back to MC if it can't get the system MAC address. +-- Also, the local-admin bit might be set (if so, we're probably inside a VM). +-- So we can't test either bit here. +SELECT uuid_version_bits(uuid_generate_v1()), + uuid_reserved_bits(uuid_generate_v1()); + uuid_version_bits | uuid_reserved_bits +-------------------+-------------------- + 00010000 | 10000000 +(1 row) + +-- Although RFC 4122 only requires the multicast bit to be set in V1MC style +-- UUIDs, our implementation always sets the local-admin bit as well. +SELECT uuid_version_bits(uuid_generate_v1mc()), + uuid_reserved_bits(uuid_generate_v1mc()), + uuid_multicast_bit(uuid_generate_v1mc()), + uuid_local_admin_bit(uuid_generate_v1mc()); + uuid_version_bits | uuid_reserved_bits | uuid_multicast_bit | uuid_local_admin_bit +-------------------+--------------------+--------------------+---------------------- + 00010000 | 10000000 | t | t +(1 row) + +-- timestamp+clock sequence should be monotonic increasing in v1 +SELECT uuid_timestamp_bits(uuid_generate_v1()) < uuid_timestamp_bits(uuid_generate_v1()); + ?column? +---------- + t +(1 row) + +SELECT uuid_timestamp_bits(uuid_generate_v1mc()) < uuid_timestamp_bits(uuid_generate_v1mc()); + ?column? +---------- + t +(1 row) + +-- Ideally, the node value is stable in V1 addresses, but OSSP UUID +-- falls back to V1MC behavior if it can't get the system MAC address. +SELECT CASE WHEN uuid_multicast_bit(uuid_generate_v1()) AND + uuid_local_admin_bit(uuid_generate_v1()) THEN + true -- punt, no test + ELSE + uuid_node(uuid_generate_v1()) = uuid_node(uuid_generate_v1()) + END; + case +------ + t +(1 row) + +-- In any case, V1MC node addresses should be random. +SELECT uuid_node(uuid_generate_v1()) <> uuid_node(uuid_generate_v1mc()); + ?column? +---------- + t +(1 row) + +SELECT uuid_node(uuid_generate_v1mc()) <> uuid_node(uuid_generate_v1mc()); + ?column? +---------- + t +(1 row) + +SELECT uuid_generate_v3(uuid_ns_dns(), 'www.widgets.com'); + uuid_generate_v3 +-------------------------------------- + 3d813cbb-47fb-32ba-91df-831e1593ac29 +(1 row) + +SELECT uuid_generate_v5(uuid_ns_dns(), 'www.widgets.com'); + uuid_generate_v5 +-------------------------------------- + 21f7f8de-8051-5b89-8680-0195ef798b6a +(1 row) + +SELECT uuid_version_bits(uuid_generate_v4()), + uuid_reserved_bits(uuid_generate_v4()); + uuid_version_bits | uuid_reserved_bits +-------------------+-------------------- + 01000000 | 10000000 +(1 row) + +SELECT uuid_generate_v4() <> uuid_generate_v4(); + ?column? +---------- + t +(1 row) + |