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Error about varchar2 type row comparison operator = #26

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10 changes: 10 additions & 0 deletions contrib/orafce/expected/varchar2.out
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Original file line number Diff line number Diff line change
Expand Up @@ -727,3 +727,13 @@ select * from basictestvarchar2;
张
(2 rows)

create table test_var(c1 varchar2, c2 varchar2);
insert into test_var values('1', 'test1'),('1', 'test1'),('2', 'test1'),('2', 'test2');
create table test_tmp(c1 varchar2, c2 varchar2);
insert into test_tmp values('1', 'test1'),('2', 'test1');
select * from test_var where(c1, c2) not in (select * from test_tmp);
c1 | c2
----+-------
2 | test2
(1 row)

22 changes: 22 additions & 0 deletions contrib/orafce/orafce--3.17.sql
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Expand Up @@ -3098,6 +3098,28 @@ CREATE OPERATOR oracle.< (
NEGATOR = operator(oracle.>=)
);

/* create operator class of varchar2 */
CREATE OPERATOR CLASS oracle.varchar2_ops DEFAULT FOR TYPE oracle.varchar2 USING hash family text_ops AS OPERATOR 1 oracle.=;

CREATE FUNCTION oracle.varchar2operator(oracle.varchar2, oracle.varchar2) RETURNS int AS $$
BEGIN
IF($1<$2) THEN
RETURN -1;
ELSIF($1>$2) THEN
RETURN 1;
END IF;
RETURN 0;
END;
$$
language 'plpgsql' immutable;

CREATE OPERATOR CLASS oracle.varchar2_ops DEFAULT FOR TYPE oracle.varchar2 USING btree family text_ops AS
OPERATOR 1 oracle.<,
OPERATOR 2 oracle.<=,
OPERATOR 3 oracle.=,
OPERATOR 4 oracle.>=,
OPERATOR 5 oracle.>,
FUNCTION 1 oracle.varchar2operator(oracle.varchar2, oracle.varchar2);
/*-----------------------------------------------------------------
* add operator, avoid implicit cast
* end
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5 changes: 5 additions & 0 deletions contrib/orafce/sql/varchar2.sql
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Expand Up @@ -453,3 +453,8 @@ COPY basictestvarchar2 (testchar) FROM stdin;
老师你好吗
\.
select * from basictestvarchar2;
create table test_var(c1 varchar2, c2 varchar2);
insert into test_var values('1', 'test1'),('1', 'test1'),('2', 'test1'),('2', 'test2');
create table test_tmp(c1 varchar2, c2 varchar2);
insert into test_tmp values('1', 'test1'),('2', 'test1');
select * from test_var where(c1, c2) not in (select * from test_tmp);