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Commit bde01dc

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‎functions/phone_serialize.sql‎

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create or replace function phone_serialize(
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country_code text, --код страны в любом формате или NULL
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area_code text, --код зоны в любом формате или NULL
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local_number text, --локальный номер телефона в любом формате или NULL
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separator text default '(-.-)' -- набор символов в разделителе должен быть таким,
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-- чтобы корректно работали функции phone_normalize() и phone_parse()
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)
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returns text --not null
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stable
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--returns null on null input
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parallel safe
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language plpgsql
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cost 2
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as
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$$
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begin
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return concat_ws('', country_code, separator, area_code, separator, local_number);
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end
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$$;
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comment on function phone_serialize(
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country_code text,
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area_code text,
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local_number text,
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separator text
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) is 'Сериализует номер телефона из трёх полей в одно по специальному разделителю';
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------------------------------------------------------------------------------------------------------------------------
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create or replace function phone_serialize(
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country_code int, --код страны в любом формате или NULL
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area_code text, --код зоны в любом формате или NULL
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local_number text, --локальный номер телефона в любом формате или NULL
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separator text default '(-.-)' -- набор символов в разделителе должен быть таким,
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-- чтобы корректно работали функции phone_normalize() и phone_parse()
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)
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returns text
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stable
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--returns null on null input
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parallel safe
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language sql
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as
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$$
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select phone_serialize(country_code::text, area_code, local_number);
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$$;
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comment on function phone_serialize(
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country_code int,
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area_code text,
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local_number text,
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separator text
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) is 'Сериализует номер телефона из трёх полей в одно по специальному разделителю';
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------------------------------------------------------------------------------------------------------------------------
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--TEST
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do $$
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begin
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assert phone_serialize(7, '965', '1234567') = '7(-.-)965(-.-)1234567';
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assert phone_serialize('+7', '965', '1234567') = '+7(-.-)965(-.-)1234567';
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assert phone_serialize('', '', '') = '(-.-)(-.-)';
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assert phone_serialize(null::text, null, null) = '(-.-)(-.-)';
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assert phone_serialize(null::int, null, null) = '(-.-)(-.-)';
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assert phone_serialize('7', '965', '1234567', '') = '79651234567';
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assert phone_serialize('7', '965', '1234567', null) = '79651234567';
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end;
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$$;
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‎functions/phone_unserialize.sql‎

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create or replace function phone_unserialize(
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phone text, --номер телефона, сериализованный функцией phone_serialize()
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country_code_example text, --nullable
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area_code_example text, --nullable
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local_number_example text, --nullable
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separator text default '(-.-)', -- набор символов в разделителе должен быть таким же, как при сериализации
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country_code out text, --nullable
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area_code out text, --nullable
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local_number out text --nullable
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)
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returns record
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stable
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--returns null on null input
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parallel safe
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language plpgsql
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cost 3
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as
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$$
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declare
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parts text[] not null default array[]::text[];
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begin
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if phone is null then
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return;
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end if;
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parts := string_to_array(phone, separator);
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if array_length(parts, 1) != 3 then
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raise exception using
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message = 'Cannot split phone into 3 parts by separator!',
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detail = format('Phone = "%s", separator = "%s"', phone, separator),
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hint = 'Serialized phone was broken or another seperator used?';
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end if;
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country_code := parts[1];
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area_code := parts[2];
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local_number := parts[3];
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if nullif(country_code_example, '') is null then
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if country_code != '' then
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raise exception using
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message = 'Unconsistent unserialized "country_code" value',
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detail = format('Emtpy string expected, but "%s" given', country_code);
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end if;
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country_code = country_code_example;
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end if;
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if nullif(area_code_example, '') is null then
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if area_code != '' then
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raise exception using
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message = 'Unconsistent unserialized "area_code" value',
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detail = format('Emtpy string expected, but "%s" given', area_code);
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end if;
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area_code = area_code_example;
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end if;
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if nullif(local_number_example, '') is null then
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if local_number != '' then
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raise exception using
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message = 'Unconsistent unserialized "local_number" value',
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detail = format('Emtpy string expected, but "%s" given', local_number);
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end if;
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local_number = local_number_example;
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end if;
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end
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$$;
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comment on function phone_unserialize(
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phone text,
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country_code_example text,
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area_code_example text,
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local_number_example text,
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separator text,
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country_code out text,
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area_code out text,
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local_number out text
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) is 'Десериализует номер телефона из одного поля в три по специальному разделителю';
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------------------------------------------------------------------------------------------------------------------------
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create or replace function phone_unserialize(
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phone text, --номер телефона, сериализованный функцией phone_serialize()
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country_code_example int, --nullable
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area_code_example text, --nullable
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local_number_example text, --nullable
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separator text default '(-.-)', -- набор символов в разделителе должен быть таким же, как при сериализации
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country_code out int, --nullable
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area_code out text, --nullable
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local_number out text --nullable
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)
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returns record
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stable
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--returns null on null input
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parallel safe
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language sql
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as
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$$
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select u.country_code::int, u.area_code, u.local_number
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from phone_unserialize(phone,
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country_code_example::text, area_code_example, local_number_example,
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separator) as u;
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$$;
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comment on function phone_unserialize(
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phone text,
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country_code_example int,
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area_code_example text,
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local_number_example text,
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separator text,
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country_code out int,
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area_code out text,
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local_number out text
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) is 'Десериализует номер телефона из одного поля в три по специальному разделителю';
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------------------------------------------------------------------------------------------------------------------------
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--TEST
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do $$
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begin
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assert not exists(
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with t (country_code, area_code, local_number) as (
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values ('+7', '965', '123-45-67'),
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('+79651234567', null, null),
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(null::text, '+79651234567', null),
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(null::text, null, '+79651234567'),
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('', '', ''),
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(null::text, null, null)
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)
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select t.*, s.*, u.*
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from t
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cross join phone_serialize(t.country_code, t.area_code, t.local_number) as s(phone)
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cross join phone_unserialize(s.phone, t.country_code, t.area_code, t.local_number) as u
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where t is distinct from u
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);
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assert not exists(
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with t (country_code, area_code, local_number) as (
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values (7, '965', '123-45-67'),
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(null::int, null, null)
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)
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select t.*, s.*, u.*
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from t
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cross join phone_serialize(t.country_code, t.area_code, t.local_number) as s(phone)
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cross join phone_unserialize(s.phone, t.country_code, t.area_code, t.local_number) as u
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where t is distinct from u
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);
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end;
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$$;

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