Merge branch 'rightlib' into mergelibs-241120-1113

1 files changed, 41 insertions, 0 deletions

diff --git a/yql/essentials/tests/postgresql/cases/char.out b/yql/essentials/tests/postgresql/cases/char.out
new file mode 100644
index 0000000000..5881d9f10b
--- /dev/null
+++ b/yql/essentials/tests/postgresql/cases/char.out
@@ -0,0 +1,41 @@
+--
+-- CHAR
+--
+-- fixed-length by value
+-- internally passed by value if <= 4 bytes in storage
+SELECT char 'c' = char 'c' AS true;
+ true 
+------
+ t
+(1 row)
+
+--
+-- 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 ('');
+INSERT INTO CHAR_TBL (f1) VALUES ('c     ');
+SELECT c.*
+   FROM CHAR_TBL c
+   WHERE c.f1 = 'a';
+ f1 
+----
+ a
+(1 row)
+
+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 ('abcd    ');