Adding upstream version 16.2.upstream/16.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 153 insertions, 0 deletions

diff --git a/contrib/citext/expected/citext_utf8.out b/contrib/citext/expected/citext_utf8.out
new file mode 100644
index 0000000..6630e09
--- /dev/null
+++ b/contrib/citext/expected/citext_utf8.out
@@ -0,0 +1,153 @@
+/*
+ * This test must be run in a database with UTF-8 encoding
+ * and a Unicode-aware locale.
+ *
+ * Also disable this file for ICU, because the test for the the
+ * Turkish dotted I is not correct for many ICU locales. citext always
+ * uses the default collation, so it's not easy to restrict the test
+ * to the "tr-TR-x-icu" collation where it will succeed.
+ */
+SELECT getdatabaseencoding() <> 'UTF8' OR
+       (SELECT (datlocprovider = 'c' AND datctype = 'C') OR datlocprovider = 'i'
+        FROM pg_database
+        WHERE datname=current_database())
+       AS skip_test \gset
+\if :skip_test
+\quit
+\endif
+set client_encoding = utf8;
+-- CREATE EXTENSION IF NOT EXISTS citext;
+-- Multibyte sanity tests.
+SELECT 'À'::citext =  'À'::citext AS t;
+ t 
+---
+ t
+(1 row)
+
+SELECT 'À'::citext =  'à'::citext AS t;
+ t 
+---
+ t
+(1 row)
+
+SELECT 'À'::text   =  'à'::text   AS f; -- text wins.
+ f 
+---
+ f
+(1 row)
+
+SELECT 'À'::citext <> 'B'::citext AS t;
+ t 
+---
+ t
+(1 row)
+
+-- Test combining characters making up canonically equivalent strings.
+SELECT 'Ä'::text   <> 'Ä'::text   AS t;
+ t 
+---
+ t
+(1 row)
+
+SELECT 'Ä'::citext <> 'Ä'::citext AS t;
+ t 
+---
+ t
+(1 row)
+
+-- Test the Turkish dotted I. The lowercase is a single byte while the
+-- uppercase is multibyte. This is why the comparison code can't be optimized
+-- to compare string lengths.
+SELECT 'i'::citext = 'İ'::citext AS t;
+ t 
+---
+ t
+(1 row)
+
+-- Regression.
+SELECT 'láska'::citext <> 'laská'::citext AS t;
+ t 
+---
+ t
+(1 row)
+
+SELECT 'Ask Bjørn Hansen'::citext = 'Ask Bjørn Hansen'::citext AS t;
+ t 
+---
+ t
+(1 row)
+
+SELECT 'Ask Bjørn Hansen'::citext = 'ASK BJØRN HANSEN'::citext AS t;
+ t 
+---
+ t
+(1 row)
+
+SELECT 'Ask Bjørn Hansen'::citext <> 'Ask Bjorn Hansen'::citext AS t;
+ t 
+---
+ t
+(1 row)
+
+SELECT 'Ask Bjørn Hansen'::citext <> 'ASK BJORN HANSEN'::citext AS t;
+ t 
+---
+ t
+(1 row)
+
+SELECT citext_cmp('Ask Bjørn Hansen'::citext, 'Ask Bjørn Hansen'::citext) = 0 AS t;
+ t 
+---
+ t
+(1 row)
+
+SELECT citext_cmp('Ask Bjørn Hansen'::citext, 'ask bjørn hansen'::citext) = 0 AS t;
+ t 
+---
+ t
+(1 row)
+
+SELECT citext_cmp('Ask Bjørn Hansen'::citext, 'ASK BJØRN HANSEN'::citext) = 0 AS t;
+ t 
+---
+ t
+(1 row)
+
+SELECT citext_cmp('Ask Bjørn Hansen'::citext, 'Ask Bjorn Hansen'::citext) > 0 AS t;
+ t 
+---
+ t
+(1 row)
+
+SELECT citext_cmp('Ask Bjorn Hansen'::citext, 'Ask Bjørn Hansen'::citext) < 0 AS t;
+ t 
+---
+ t
+(1 row)
+
+-- Test ~<~ and ~<=~
+SELECT 'à'::citext ~<~  'À'::citext AS f;
+ f 
+---
+ f
+(1 row)
+
+SELECT 'à'::citext ~<=~ 'À'::citext AS t;
+ t 
+---
+ t
+(1 row)
+
+-- Test ~>~ and ~>=~
+SELECT 'à'::citext ~>~  'À'::citext AS f;
+ f 
+---
+ f
+(1 row)
+
+SELECT 'à'::citext ~>=~ 'À'::citext AS t;
+ t 
+---
+ t
+(1 row)
+