Обсуждение: General Bug Report: prefix stringsearch doesn't return results
============================================================================
POSTGRESQL BUG REPORT TEMPLATE
============================================================================
Your name : Josef Moser
Your email address : jmoser@iicm.edu
Category : runtime: back-end: SQL
Severity : serious
Summary: prefix stringsearch doesn't return results
System Configuration
--------------------
Operating System : Linux 2.2.7 SUSE6.0; OSF1 V4.0 564 alpha
PostgreSQL version : snapshot from: ftp.postgresql.org (May 28 03:06) and (May 26 03:06)
Compiler used : Linux: egcs-2.91.60 ; dec: cc (Digital UNIX Compiler Driver 3.11)
Hardware:
---------
Pentium II (Deschutes), 512 MB Ram: Linux xfind 2.2.7 #4 SMP Tue May 4 14:21:58 MEST 1999 i686 unknown and
DEC ALPHA 248MB Ram : OSF1 www V4.0 564 alpha
Versions of other tools:
------------------------
linux:GNU Make version 3.76.1, flex version 2.5.4
dec:GNU Make version 3.74 ,flex version 2.5.4
--------------------------------------------------------------------------
Problem Description:
--------------------
the command SELECT * FROM test_t WHERE word LIKE 'hello%';
returns no results even when there are some hellos in the
database.
--------------------------------------------------------------------------
Test Case:
----------
CREATE TABLE bug_t(word TEXT);
INSERT INTO bug_t VALUES('hello1');
INSERT INTO bug_t VALUES('hello2');
SELECT * FROM bug_t where word like 'hello%';
-- returns 0 results.....
SELECT * FROM bug_t where word like '%hello%';
-- returns 2 results
--------------------------------------------------------------------------
Solution:
---------
--------------------------------------------------------------------------
On Fri, 28 May 1999, Unprivileged user wrote:
> Date: Fri, 28 May 1999 07:32:22 -0400 (EDT)
> From: Unprivileged user <nobody@hub.org>
> Reply-To: Josef Moser <jmoser@iicm.edu>
> To: pgsql-bugs@postgreSQL.org
> Subject: [BUGS] General Bug Report: prefix stringsearch doesn't return results
>
>
> ============================================================================
> POSTGRESQL BUG REPORT TEMPLATE
> ============================================================================
>
>
> Your name : Josef Moser
> Your email address : jmoser@iicm.edu
>
> Category : runtime: back-end: SQL
> Severity : serious
>
> Summary: prefix stringsearch doesn't return results
>
> System Configuration
> --------------------
> Operating System : Linux 2.2.7 SUSE6.0; OSF1 V4.0 564 alpha
>
> PostgreSQL version : snapshot from: ftp.postgresql.org (May 28 03:06) and (May 26 03:06)
>
> Compiler used : Linux: egcs-2.91.60 ; dec: cc (Digital UNIX Compiler Driver 3.11)
>
> Hardware:
> ---------
> Pentium II (Deschutes), 512 MB Ram: Linux xfind 2.2.7 #4 SMP Tue May 4 14:21:58 MEST 1999 i686 unknown and
> DEC ALPHA 248MB Ram : OSF1 www V4.0 564 alpha
>
> Versions of other tools:
> ------------------------
> linux:GNU Make version 3.76.1, flex version 2.5.4
> dec:GNU Make version 3.74 ,flex version 2.5.4
>
> --------------------------------------------------------------------------
>
> Problem Description:
> --------------------
> the command SELECT * FROM test_t WHERE word LIKE 'hello%';
> returns no results even when there are some hellos in the
> database.
>
> --------------------------------------------------------------------------
>
> Test Case:
> ----------
> CREATE TABLE bug_t(word TEXT);
> INSERT INTO bug_t VALUES('hello1');
> INSERT INTO bug_t VALUES('hello2');
> SELECT * FROM bug_t where word like 'hello%';
> -- returns 0 results.....
> SELECT * FROM bug_t where word like '%hello%';
> -- returns 2 results
>
Hmm,
15:59[mira]:~/app/egcs/obj>psql test
Welcome to the POSTGRESQL interactive sql monitor:
Please read the file COPYRIGHT for copyright terms of POSTGRESQL
[PostgreSQL 6.5.0 on i586-pc-linux-gnulibc1, compiled by gcc egcs-2.91.66]
type \? for help on slash commands
type \q to quit
type \g or terminate with semicolon to execute query
You are currently connected to the database: test
test=> CREATE TABLE bug_t(word TEXT);
CREATE
test=> INSERT INTO bug_t VALUES('hello1');
INSERT 60937 1
test=> INSERT INTO bug_t VALUES('hello2');
INSERT 60938 1
test=> SELECT * FROM bug_t where word like 'hello%';
word
------
hello1
hello2
(2 rows)
test=> SELECT * FROM bug_t where word like '%hello%';
word
------
hello1
hello2
(2 rows)
No problem. This is Linux x86, 2.0.36, 6.5 current
Regards,
Oleg
>
> --------------------------------------------------------------------------
>
> Solution:
> ---------
>
>
> --------------------------------------------------------------------------
>
>
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83
On Fri, 28 May 1999, Oleg Bartunov wrote:
> On Fri, 28 May 1999, Unprivileged user wrote:
>
> > Date: Fri, 28 May 1999 07:32:22 -0400 (EDT)
> > From: Unprivileged user <nobody@hub.org>
> > Reply-To: Josef Moser <jmoser@iicm.edu>
> > To: pgsql-bugs@postgreSQL.org
> > Subject: [BUGS] General Bug Report: prefix stringsearch doesn't return results
> >
> >
> > ============================================================================
> > POSTGRESQL BUG REPORT TEMPLATE
> > ============================================================================
> >
> >
> > Your name : Josef Moser
> > Your email address : jmoser@iicm.edu
> >
> > Category : runtime: back-end: SQL
> > Severity : serious
> >
> > Summary: prefix stringsearch doesn't return results
> >
> > System Configuration
> > --------------------
> > Operating System : Linux 2.2.7 SUSE6.0; OSF1 V4.0 564 alpha
> >
> > PostgreSQL version : snapshot from: ftp.postgresql.org (May 28 03:06) and (May 26 03:06)
> >
> > Compiler used : Linux: egcs-2.91.60 ; dec: cc (Digital UNIX Compiler Driver 3.11)
> >
> > Hardware:
> > ---------
> > Pentium II (Deschutes), 512 MB Ram: Linux xfind 2.2.7 #4 SMP Tue May 4 14:21:58 MEST 1999 i686 unknown and
> > DEC ALPHA 248MB Ram : OSF1 www V4.0 564 alpha
> >
> > Versions of other tools:
> > ------------------------
> > linux:GNU Make version 3.76.1, flex version 2.5.4
> > dec:GNU Make version 3.74 ,flex version 2.5.4
> >
> > --------------------------------------------------------------------------
> >
> > Problem Description:
> > --------------------
> > the command SELECT * FROM test_t WHERE word LIKE 'hello%';
> > returns no results even when there are some hellos in the
> > database.
> >
> > --------------------------------------------------------------------------
> >
> > Test Case:
> > ----------
> > CREATE TABLE bug_t(word TEXT);
> > INSERT INTO bug_t VALUES('hello1');
> > INSERT INTO bug_t VALUES('hello2');
> > SELECT * FROM bug_t where word like 'hello%';
> > -- returns 0 results.....
> > SELECT * FROM bug_t where word like '%hello%';
> > -- returns 2 results
> >
>
> Hmm,
> 15:59[mira]:~/app/egcs/obj>psql test
> Welcome to the POSTGRESQL interactive sql monitor:
> Please read the file COPYRIGHT for copyright terms of POSTGRESQL
> [PostgreSQL 6.5.0 on i586-pc-linux-gnulibc1, compiled by gcc egcs-2.91.66]
>
> type \? for help on slash commands
> type \q to quit
> type \g or terminate with semicolon to execute query
> You are currently connected to the database: test
>
> test=> CREATE TABLE bug_t(word TEXT);
> CREATE
> test=> INSERT INTO bug_t VALUES('hello1');
> INSERT 60937 1
> test=> INSERT INTO bug_t VALUES('hello2');
> INSERT 60938 1
> test=> SELECT * FROM bug_t where word like 'hello%';
> word
> ------
> hello1
> hello2
> (2 rows)
> test=> SELECT * FROM bug_t where word like '%hello%';
> word
> ------
> hello1
> hello2
> (2 rows)
>
> No problem. This is Linux x86, 2.0.36, 6.5 current
Hmmmm....
psql
Welcome to the POSTGRESQL interactive sql monitor:
Please read the file COPYRIGHT for copyright terms of POSTGRESQL
[PostgreSQL 6.5.0 on i386-unknown-freebsd3.1, compiled by gcc 2.7.2.1]
type \? for help on slash commands
type \q to quit
type \g or terminate with semicolon to execute query
You are currently connected to the database: miker
miker=> CREATE TABLE bug_t(word TEXT);
CREATE
miker=> INSERT INTO bug_t VALUES('hello1');
INSERT 558121 1
miker=> INSERT INTO bug_t VALUES('hello2');
INSERT 558122 1
miker=> SELECT * FROM bug_t where word like 'hello%';
word
----
(0 rows)
miker=> SELECT * FROM bug_t where word like '%hello%';
word
------
hello1
hello2
(2 rows)
miker=> SELECT * FROM bug_t where word like 'hello_';
word
------
hello1
hello2
(2 rows)
-Michael
>>>>> "Oleg" == Oleg Bartunov <oleg@sai.msu.su> writes:
Oleg> On Fri, 28 May 1999, Unprivileged user wrote:
>> Date: Fri, 28 May 1999 07:32:22 -0400 (EDT)
>> From: Unprivileged user <nobody@hub.org>
>> Reply-To: Josef Moser <jmoser@iicm.edu>
>> To: pgsql-bugs@postgreSQL.org
>> Subject: [BUGS] General Bug Report: prefix stringsearch doesn't return results
>>
>>
>> ============================================================================
>> POSTGRESQL BUG REPORT TEMPLATE
>> ============================================================================
>>
>>
>> Your name : Josef Moser
>> Your email address : jmoser@iicm.edu
>>
>> Category : runtime: back-end: SQL
>> Severity : serious
>>
>> Summary: prefix stringsearch doesn't return results
>>
Oleg> Hmm,
Oleg> 15:59[mira]:~/app/egcs/obj>psql test
Oleg> Welcome to the POSTGRESQL interactive sql monitor:
Oleg> Please read the file COPYRIGHT for copyright terms of POSTGRESQL
Oleg> [PostgreSQL 6.5.0 on i586-pc-linux-gnulibc1, compiled by gcc egcs-2.91.66]
Oleg> type \? for help on slash commands
Oleg> type \q to quit
Oleg> type \g or terminate with semicolon to execute query
Oleg> You are currently connected to the database: test
Oleg> test=> CREATE TABLE bug_t(word TEXT);
Oleg> CREATE
Oleg> test=> INSERT INTO bug_t VALUES('hello1');
Oleg> INSERT 60937 1
Oleg> test=> INSERT INTO bug_t VALUES('hello2');
Oleg> INSERT 60938 1
Oleg> test=> SELECT * FROM bug_t where word like 'hello%';
Oleg> word
Oleg> ------
Oleg> hello1
Oleg> hello2
Oleg> (2 rows)
Oleg> test=> SELECT * FROM bug_t where word like '%hello%';
Oleg> word
Oleg> ------
Oleg> hello1
Oleg> hello2
Oleg> (2 rows)
Oleg> No problem. This is Linux x86, 2.0.36, 6.5 current
Oleg> Regards,
Oleg> Oleg
hmm......
121>psql test
Welcome to the POSTGRESQL interactive sql monitor:
Please read the file COPYRIGHT for copyright terms of POSTGRESQL
[PostgreSQL 6.5.0 on i686-pc-linux-gnu, compiled by gcc egcs-2.91.60]
type \? for help on slash commands
type \q to quit
type \g or terminate with semicolon to execute query
You are currently connected to the database: test
test=> CREATE TABLE bug_t(word TEXT);
CREATE
test=> INSERT INTO bug_t VALUES('hello1');
INSERT 18633 1
test=> INSERT INTO bug_t VALUES('hello2');
INSERT 18634 1
test=> SELECT * FROM bug_t where word like 'hello%';
word
----
(0 rows)
test=> SELECT * FROM bug_t where word like '%hello%';
word
------
hello1
hello2
(2 rows)
Suppositions
Empty directories (I deleted all old postgres versions and all databases....)
postgres snapshot from
ftp.postgresql.org/pub/postgresql.snapshot.tar.gz
(dir says: -rw-r--r-- 1 1005 root 5969878 May 28 03:06
postgresql.snapshot.tar.gz)
uname -a
Linux xfind 2.2.7 #4 SMP Tue May 4 14:21:58 MEST 1999 i686 unknown
libc:
/lib/libc.so.6
ENVIRONMENT:
nearly bare...
PATH=/usr/lib/pgsql_6.5/bin/:/usr/bin/:/bin/
POSTMASTER command: postmaster -D /var/lib/pgsql_6.5/data/
Any hints where I sould start debugging would be greatly appreciated.
Ciao and Thanks
Joe