Re: [GENERAL] Sorting problems with SELECT * FROM table WHERE name LIKE 'Ö%'

> I have a problem when sorting records with:
> SELECT * FROM table WHERE name LIKE 'Ö%'
>
> I am running Postgres 8.02 with a database whose character encoding is
> UNICODE.
>
> The SQL Query
>
> SELECT *
> FROM member
> WHERE name LIKE 'O%'
> OR
> name like 'Ö%'
> ORDER BY name
>
>
> returns this:
> Öhlmann
> Öhmann
> Obenaus
> Ochoa
> O'Donovan
> Oehme
> Oklant
> Oltub
> Oltüch
> Oltutz
> Oltüwer
>
> According to german sorting rules the result is fine except the both
> first entries "Öhlmann" and "Öhmann".
> Why do appear these records at the beginning of the list?
> The proper result should read like this:
> Obenaus
> Ochoa
> O'Donovan
> Oehme
> Öhlmann
> Öhmann
> Oklant
> Oltub
> Oltüch
> Oltutz
> Oltüwer
>
>
>
> The same problem accours when using "E" where my result is this:
> Élie de Beaumont
> Eberer
> Ecü
> Edding
> Emmer
>
> The proper result should be:
> Eberer
> Ecü
> Edding
> Élie de Beaumont
> Emmer
>
>
> Any idea how I can solve this problem?
>
>
> Thank you very much in advance,
> Nico

To complete the missing information, here are the variables set for the
databases:
add_missing_from on
archive_command unset
australian_timezones off
authentication_timeout 60
bgwriter_delay 200
bgwriter_maxpages 100
bgwriter_percent 1
block_size 8192
check_function_bodies on
checkpoint_segments 3
checkpoint_timeout 300
checkpoint_warning 30
client_encoding UNICODE
client_min_messages notice
commit_delay 0
commit_siblings 5
cpu_index_tuple_cost 0.001
cpu_operator_cost 0.0025
cpu_tuple_cost 0.01
custom_variable_classes unset
DateStyle ISO, MDY
db_user_namespace off
deadlock_timeout 1000
debug_pretty_print off
debug_print_parse off
debug_print_plan off
debug_print_rewritten off
debug_shared_buffers 0
default_statistics_target 10
default_tablespace unset
default_transaction_isolation read committed
default_transaction_read_only off
default_with_oids on
effective_cache_size 1000
enable_hashagg on
enable_hashjoin on
enable_indexscan on
enable_mergejoin on
enable_nestloop on
enable_seqscan on
enable_sort on
enable_tidscan on
explain_pretty_print on
extra_float_digits 0
from_collapse_limit 8
fsync on
geqo on
geqo_effort 5
geqo_generations 0
geqo_pool_size 0
geqo_selection_bias 2
geqo_threshold 12
integer_datetimes on
join_collapse_limit 8
lc_collate de_DE(at)euro
lc_ctype de_DE(at)euro
lc_messages de_DE(at)euro
lc_monetary de_DE(at)euro
lc_numeric de_DE(at)euro
lc_time de_DE(at)euro
listen_addresses localhost
log_connections off
log_destination stderr
log_disconnections off
log_duration off
log_error_verbosity default
log_executor_stats off
log_hostname off
log_line_prefix unset
log_min_duration_statement -1
log_min_error_statement panic
log_min_messages notice
log_parser_stats off
log_planner_stats off
log_rotation_age 1440
log_rotation_size 10240
log_statement none
log_statement_stats off
log_truncate_on_rotation off
maintenance_work_mem 16384
max_connections 100
max_files_per_process 1000
max_fsm_pages 20000
max_fsm_relations 1000
max_function_args 32
max_identifier_length 63
max_index_keys 32
max_locks_per_transaction 64
max_stack_depth 2048
password_encryption on
port 5432
pre_auth_delay 0
random_page_cost 4
redirect_stderr off
regex_flavor advanced
rendezvous_name unset
search_path $user,public
server_encoding UNICODE
server_version 8.0.2
shared_buffers 1000
silent_mode off
sql_inheritance on
ssl off
statement_timeout 0
stats_block_level off
stats_command_string off
stats_reset_on_server_start on
stats_row_level off
stats_start_collector on
superuser_reserved_connections 2
syslog_facility LOCAL0
syslog_ident postgres
TimeZone Europe/Berlin
trace_notify off
transaction_isolation read committed
transaction_read_only off
transform_null_equals off
unix_socket_group unset
unix_socket_permissions 511
vacuum_cost_delay 0
vacuum_cost_limit 200
vacuum_cost_page_dirty 20
vacuum_cost_page_hit 1
vacuum_cost_page_miss 10
wal_buffers 8
wal_sync_method fdatasync
work_mem 1024
zero_damaged_pages off

Is there any explaination why the result is not sorted properly?