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\set VERBOSITY terse
SET client_encoding = utf8;
SET search_path TO public, oracle;
--
-- test type modifier related rules
--
-- ERROR (typmod >= 1)
CREATE TABLE bar (a NVARCHAR2(0));
-- ERROR (number of typmods = 1)
CREATE TABLE bar (a NVARCHAR2(10, 1));
-- OK
CREATE TABLE bar (a VARCHAR(5000));
CREATE INDEX ON bar(a);
-- cleanup
DROP TABLE bar;
-- OK
CREATE TABLE bar (a NVARCHAR2(5));
--
-- test that no value longer than maxlen is allowed
--
-- ERROR (length > 5)
INSERT INTO bar VALUES ('abcdef');
-- ERROR (length > 5);
-- NVARCHAR2 does not truncate blank spaces on implicit coercion
INSERT INTO bar VALUES ('abcde ');
-- OK
INSERT INTO bar VALUES ('abcde');
-- OK
INSERT INTO bar VALUES ('abcdef'::NVARCHAR2(5));
-- OK
INSERT INTO bar VALUES ('abcde '::NVARCHAR2(5));
--OK
INSERT INTO bar VALUES ('abc'::NVARCHAR2(5));
--
-- test whitespace semantics on comparison
--
-- equal
SELECT 'abcde '::NVARCHAR2(10) = 'abcde '::NVARCHAR2(10);
-- not equal
SELECT 'abcde '::NVARCHAR2(10) = 'abcde '::NVARCHAR2(10);
-- null safe concat (disabled by default)
SELECT NULL || 'hello'::varchar2 || NULL;
SET orafce.varchar2_null_safe_concat TO true;
SELECT NULL || 'hello'::varchar2 || NULL;
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