| From: | Egon Frerich <egon(at)frerich(dot)eu> |
|---|---|
| To: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Query with type char |
| Date: | 2017-02-16 10:14:08 |
| Message-ID: | acf71403-7a70-9261-670a-ad9bc6d8c58b@frerich.eu |
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| Thread: | |
| Lists: | pgsql-general |
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Why are there 0 rows? I expect 3 rows:
> mydb=# SELECT * FROM sample_char;
> sp1 | sp2 | sp3
> -----+-----------------+-----
> 1 | Bremen |
> 2 | Hamburg |
> 4 | Toronto |
> 3 | Bern | j
> (4 rows)
>
> mydb=# SELECT * FROM sample_char WHERE sp3 = 'j';
> sp1 | sp2 | sp3
> -----+-----------------+-----
> 3 | Bern | j
> (1 row)
>
> mydb=# SELECT * FROM sample_char WHERE sp3 <> 'j';
> sp1 | sp2 | sp3
> -----+-----+-----
> (0 rows)
Egon
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