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authorMaxim Yurchuk <maxim-yurchuk@ydb.tech>2024-11-20 17:37:57 +0000
committerGitHub <noreply@github.com>2024-11-20 17:37:57 +0000
commitf76323e9b295c15751e51e3443aa47a36bee8023 (patch)
tree4113c8cad473a33e0f746966e0cf087252fa1d7a /yql/essentials/tests/postgresql/original/cases/char.sql
parent753ecb8d410a4cb459c26f3a0082fb2d1724fe63 (diff)
parenta7b9a6afea2a9d7a7bfac4c5eb4c1a8e60adb9e6 (diff)
downloadydb-f76323e9b295c15751e51e3443aa47a36bee8023.tar.gz
Merge pull request #11788 from ydb-platform/mergelibs-241120-1113
Library import 241120-1113
Diffstat (limited to 'yql/essentials/tests/postgresql/original/cases/char.sql')
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1 files changed, 75 insertions, 0 deletions
diff --git a/yql/essentials/tests/postgresql/original/cases/char.sql b/yql/essentials/tests/postgresql/original/cases/char.sql
new file mode 100644
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+++ b/yql/essentials/tests/postgresql/original/cases/char.sql
@@ -0,0 +1,75 @@
+--
+-- CHAR
+--
+
+-- fixed-length by value
+-- internally passed by value if <= 4 bytes in storage
+
+SELECT char 'c' = char 'c' AS true;
+
+--
+-- Build a table for testing
+--
+
+CREATE TABLE CHAR_TBL(f1 char);
+
+INSERT INTO CHAR_TBL (f1) VALUES ('a');
+
+INSERT INTO CHAR_TBL (f1) VALUES ('A');
+
+-- any of the following three input formats are acceptable
+INSERT INTO CHAR_TBL (f1) VALUES ('1');
+
+INSERT INTO CHAR_TBL (f1) VALUES (2);
+
+INSERT INTO CHAR_TBL (f1) VALUES ('3');
+
+-- zero-length char
+INSERT INTO CHAR_TBL (f1) VALUES ('');
+
+-- try char's of greater than 1 length
+INSERT INTO CHAR_TBL (f1) VALUES ('cd');
+INSERT INTO CHAR_TBL (f1) VALUES ('c ');
+
+
+SELECT * FROM CHAR_TBL;
+
+SELECT c.*
+ FROM CHAR_TBL c
+ WHERE c.f1 <> 'a';
+
+SELECT c.*
+ FROM CHAR_TBL c
+ WHERE c.f1 = 'a';
+
+SELECT c.*
+ FROM CHAR_TBL c
+ WHERE c.f1 < 'a';
+
+SELECT c.*
+ FROM CHAR_TBL c
+ WHERE c.f1 <= 'a';
+
+SELECT c.*
+ FROM CHAR_TBL c
+ WHERE c.f1 > 'a';
+
+SELECT c.*
+ FROM CHAR_TBL c
+ WHERE c.f1 >= 'a';
+
+DROP TABLE CHAR_TBL;
+
+--
+-- Now test longer arrays of char
+--
+
+CREATE TABLE CHAR_TBL(f1 char(4));
+
+INSERT INTO CHAR_TBL (f1) VALUES ('a');
+INSERT INTO CHAR_TBL (f1) VALUES ('ab');
+INSERT INTO CHAR_TBL (f1) VALUES ('abcd');
+INSERT INTO CHAR_TBL (f1) VALUES ('abcde');
+INSERT INTO CHAR_TBL (f1) VALUES ('abcd ');
+
+SELECT * FROM CHAR_TBL;