1 files changed, 66 insertions, 0 deletions
diff --git a/src/test/regress/sql/varchar.sql b/src/test/regress/sql/varchar.sql
new file mode 100644
index 0000000..58d29ca
--- /dev/null
+++ b/src/test/regress/sql/varchar.sql
@@ -0,0 +1,66 @@
+--
+-- VARCHAR
+--
+
+CREATE TABLE VARCHAR_TBL(f1 varchar(1));
+
+INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
+
+INSERT INTO VARCHAR_TBL (f1) VALUES ('A');
+
+-- any of the following three input formats are acceptable
+INSERT INTO VARCHAR_TBL (f1) VALUES ('1');
+
+INSERT INTO VARCHAR_TBL (f1) VALUES (2);
+
+INSERT INTO VARCHAR_TBL (f1) VALUES ('3');
+
+-- zero-length char
+INSERT INTO VARCHAR_TBL (f1) VALUES ('');
+
+-- try varchar's of greater than 1 length
+INSERT INTO VARCHAR_TBL (f1) VALUES ('cd');
+INSERT INTO VARCHAR_TBL (f1) VALUES ('c     ');
+
+
+SELECT '' AS seven, * FROM VARCHAR_TBL;
+
+SELECT '' AS six, c.*
+   FROM VARCHAR_TBL c
+   WHERE c.f1 <> 'a';
+
+SELECT '' AS one, c.*
+   FROM VARCHAR_TBL c
+   WHERE c.f1 = 'a';
+
+SELECT '' AS five, c.*
+   FROM VARCHAR_TBL c
+   WHERE c.f1 < 'a';
+
+SELECT '' AS six, c.*
+   FROM VARCHAR_TBL c
+   WHERE c.f1 <= 'a';
+
+SELECT '' AS one, c.*
+   FROM VARCHAR_TBL c
+   WHERE c.f1 > 'a';
+
+SELECT '' AS two, c.*
+   FROM VARCHAR_TBL c
+   WHERE c.f1 >= 'a';
+
+DROP TABLE VARCHAR_TBL;
+
+--
+-- Now test longer arrays of char
+--
+
+CREATE TABLE VARCHAR_TBL(f1 varchar(4));
+
+INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
+INSERT INTO VARCHAR_TBL (f1) VALUES ('ab');
+INSERT INTO VARCHAR_TBL (f1) VALUES ('abcd');
+INSERT INTO VARCHAR_TBL (f1) VALUES ('abcde');
+INSERT INTO VARCHAR_TBL (f1) VALUES ('abcd    ');
+
+SELECT '' AS four, * FROM VARCHAR_TBL;