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Thread: General Bug Report: prefix stringsearch doesn't return results

General Bug Report: prefix stringsearch doesn't return results

From
Unprivileged user
Date:
============================================================================
                        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:
---------


--------------------------------------------------------------------------

Re: [BUGS] General Bug Report: prefix stringsearch doesn't return results

From
Oleg Bartunov
Date:
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

Re: [BUGS] General Bug Report: prefix stringsearch doesn't return results

From
Michael Richards
Date:
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

Re: [BUGS] General Bug Report: prefix stringsearch doesn't return results

From
Josef Moser
Date:
>>>>> "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