2016-11-21 8:13 GMT+01:00 Pavel Stehule <pavel.steh...@gmail.com>:
>
>
> 2016-11-21 8:09 GMT+01:00 Craig Ringer <cr...@2ndquadrant.com>:
>
>> On 21 November 2016 at 14:45, Pavel Stehule <pavel.steh...@gmail.com>
>> wrote:
>>
>> > SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*),
>> > (array_agg(data))[1], (array_agg(data))[count(*)]
>> > FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE
>> data
>> > ~ 'INSERT'
>> > GROUP BY 1 ORDER BY 1;
>> >
>> > but result is sensitive on locales setting - doesn't work well with
>> czech
>> > locales.
>>
>> Simple fix here is to append COLLATE "C" after the ORDER BY.
>>
>>
>>
> it needs little bit bigger change - COLLATE cannot be used with positional
> ORDER BY
>
here is a patch
Regards
Pavel
>
> Regards
>
> Pavel
>
>
>>
>> --
>> Craig Ringer http://www.2ndQuadrant.com/
>> PostgreSQL Development, 24x7 Support, Training & Services
>>
>
>
diff --git a/contrib/test_decoding/expected/spill.out b/contrib/test_decoding/expected/spill.out
index 363e9a3..10734bd 100644
--- a/contrib/test_decoding/expected/spill.out
+++ b/contrib/test_decoding/expected/spill.out
@@ -164,7 +164,7 @@ SAVEPOINT s2;
INSERT INTO spill_test SELECT 'serialize-subsmall-subbig--2:'||g.i FROM generate_series(2, 5001) g(i);
RELEASE SAVEPOINT s2;
COMMIT;
-SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
GROUP BY 1 ORDER BY 1;
regexp_split_to_array | count | array_agg | array_agg
@@ -182,7 +182,7 @@ INSERT INTO spill_test SELECT 'serialize-nested-subbig-subbig--2:'||g.i FROM gen
RELEASE SAVEPOINT s2;
RELEASE SAVEPOINT s1;
COMMIT;
-SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
GROUP BY 1 ORDER BY 1;
regexp_split_to_array | count | array_agg | array_agg
@@ -200,7 +200,7 @@ INSERT INTO spill_test SELECT 'serialize-nested-subbig-subsmall--2:'||g.i FROM g
RELEASE SAVEPOINT s2;
RELEASE SAVEPOINT s1;
COMMIT;
-SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
GROUP BY 1 ORDER BY 1;
regexp_split_to_array | count | array_agg | array_agg
@@ -218,7 +218,7 @@ INSERT INTO spill_test SELECT 'serialize-nested-subsmall-subbig--2:'||g.i FROM g
RELEASE SAVEPOINT s2;
RELEASE SAVEPOINT s1;
COMMIT;
-SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
GROUP BY 1 ORDER BY 1;
regexp_split_to_array | count | array_agg | array_agg
@@ -238,7 +238,7 @@ SAVEPOINT s3;
INSERT INTO spill_test SELECT 'serialize-nested-subbig-subbigabort-subbig-3:'||g.i FROM generate_series(5001, 10000) g(i);
RELEASE SAVEPOINT s1;
COMMIT;
-SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
GROUP BY 1 ORDER BY 1;
regexp_split_to_array | count | array_agg | array_agg
diff --git a/contrib/test_decoding/sql/spill.sql b/contrib/test_decoding/sql/spill.sql
index 358af0b..e638cac 100644
--- a/contrib/test_decoding/sql/spill.sql
+++ b/contrib/test_decoding/sql/spill.sql
@@ -116,7 +116,7 @@ SAVEPOINT s2;
INSERT INTO spill_test SELECT 'serialize-subsmall-subbig--2:'||g.i FROM generate_series(2, 5001) g(i);
RELEASE SAVEPOINT s2;
COMMIT;
-SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
GROUP BY 1 ORDER BY 1;
@@ -129,7 +129,7 @@ INSERT INTO spill_test SELECT 'serialize-nested-subbig-subbig--2:'||g.i FROM gen
RELEASE SAVEPOINT s2;
RELEASE SAVEPOINT s1;
COMMIT;
-SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
GROUP BY 1 ORDER BY 1;
@@ -142,7 +142,7 @@ INSERT INTO spill_test SELECT 'serialize-nested-subbig-subsmall--2:'||g.i FROM g
RELEASE SAVEPOINT s2;
RELEASE SAVEPOINT s1;
COMMIT;
-SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
GROUP BY 1 ORDER BY 1;
@@ -155,7 +155,7 @@ INSERT INTO spill_test SELECT 'serialize-nested-subsmall-subbig--2:'||g.i FROM g
RELEASE SAVEPOINT s2;
RELEASE SAVEPOINT s1;
COMMIT;
-SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
GROUP BY 1 ORDER BY 1;
@@ -170,7 +170,7 @@ SAVEPOINT s3;
INSERT INTO spill_test SELECT 'serialize-nested-subbig-subbigabort-subbig-3:'||g.i FROM generate_series(5001, 10000) g(i);
RELEASE SAVEPOINT s1;
COMMIT;
-SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
GROUP BY 1 ORDER BY 1;
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