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mirror of https://github.com/postgres/postgres.git synced 2025-07-30 11:03:19 +03:00

Allow hyphens in ltree labels

Also increase the allowed length of labels to 1000 characters

Garen Torikian

Discussion: https://postgr.es/m/CAGXsc+-mNg9Gc0rp-ER0sv+zkZSZp2wE9-LX6XcoWSLVz22tZA@mail.gmail.com
This commit is contained in:
Andrew Dunstan
2023-01-06 16:03:19 -05:00
parent a46a7011b2
commit b1665bf01e
6 changed files with 60 additions and 38 deletions

View File

@ -1,5 +1,8 @@
CREATE EXTENSION ltree;
-- max length for a label
\set maxlbl 1000
-- Check whether any of our opclasses fail amvalidate
SELECT amname, opcname
FROM pg_opclass opc LEFT JOIN pg_am am ON am.oid = opcmethod
@ -8,6 +11,7 @@ WHERE opc.oid >= 16384 AND NOT amvalidate(opc.oid);
SELECT ''::ltree;
SELECT '1'::ltree;
SELECT '1.2'::ltree;
SELECT '1.2.-3'::ltree;
SELECT '1.2._3'::ltree;
-- empty labels not allowed
@ -15,8 +19,8 @@ SELECT '.2.3'::ltree;
SELECT '1..3'::ltree;
SELECT '1.2.'::ltree;
SELECT repeat('x', 255)::ltree;
SELECT repeat('x', 256)::ltree;
SELECT repeat('x', :maxlbl)::ltree;
SELECT repeat('x', :maxlbl + 1)::ltree;
SELECT ltree2text('1.2.3.34.sdf');
SELECT text2ltree('1.2.3.34.sdf');
@ -111,10 +115,10 @@ SELECT '1.!.3'::lquery;
SELECT '1.2.!'::lquery;
SELECT '1.2.3|@.4'::lquery;
SELECT (repeat('x', 255) || '*@@*')::lquery;
SELECT (repeat('x', 256) || '*@@*')::lquery;
SELECT ('!' || repeat('x', 255))::lquery;
SELECT ('!' || repeat('x', 256))::lquery;
SELECT (repeat('x', :maxlbl) || '*@@*')::lquery;
SELECT (repeat('x', :maxlbl + 1) || '*@@*')::lquery;
SELECT ('!' || repeat('x', :maxlbl))::lquery;
SELECT ('!' || repeat('x', :maxlbl + 1))::lquery;
SELECT nlevel('1.2.3.4');
SELECT nlevel(('1' || repeat('.1', 65534))::ltree);
@ -233,6 +237,8 @@ SELECT 'QWER_GY'::ltree ~ 'q_t%@*';
--ltxtquery
SELECT '!tree & aWdf@*'::ltxtquery;
SELECT 'tree & aw_qw%*'::ltxtquery;
SELECT 'tree & aw-qw%*'::ltxtquery;
SELECT 'ltree.awdfg'::ltree @ '!tree & aWdf@*'::ltxtquery;
SELECT 'tree.awdfg'::ltree @ '!tree & aWdf@*'::ltxtquery;
SELECT 'tree.awdfg'::ltree @ '!tree | aWdf@*'::ltxtquery;