MichaelTheriot
commented
3 years ago Seeing the same behavior on 12.4 and 11.9.
DB parameters...
allow_system_table_mods | off
application_name | psql
archive_command | (disabled)
archive_mode | off
archive_timeout | 0
array_nulls | on
authentication_timeout | 1min
autovacuum | on
autovacuum_analyze_scale_factor | 0.1
autovacuum_analyze_threshold | 50
autovacuum_freeze_max_age | 200000000
autovacuum_max_workers | 3
autovacuum_multixact_freeze_max_age | 400000000
autovacuum_naptime | 1min
autovacuum_vacuum_cost_delay | 20ms
autovacuum_vacuum_cost_limit | -1
autovacuum_vacuum_scale_factor | 0.2
autovacuum_vacuum_threshold | 50
autovacuum_work_mem | -1
backend_flush_after | 0
backslash_quote | safe_encoding
bgwriter_delay | 200ms
bgwriter_flush_after | 0
bgwriter_lru_maxpages | 100
bgwriter_lru_multiplier | 2
block_size | 8192
bonjour | off
bonjour_name |
bytea_output | hex
check_function_bodies | on
checkpoint_completion_target | 0.5
checkpoint_flush_after | 0
checkpoint_timeout | 5min
checkpoint_warning | 30s
client_encoding | UTF8
client_min_messages | notice
cluster_name |
commit_delay | 0
commit_siblings | 5
constraint_exclusion | partition
cpu_index_tuple_cost | 0.005
cpu_operator_cost | 0.0025
cpu_tuple_cost | 0.01
cursor_tuple_fraction | 0.1
data_checksums | off
data_directory_mode | 0700
data_sync_retry | off
DateStyle | ISO, MDY
db_user_namespace | off
deadlock_timeout | 1s
debug_assertions | off
debug_pretty_print | on
debug_print_parse | off
debug_print_plan | off
debug_print_rewritten | off
default_statistics_target | 100
default_tablespace |
default_text_search_config | pg_catalog.english
default_transaction_deferrable | off
default_transaction_isolation | read committed
default_transaction_read_only | off
default_with_oids | off
dynamic_library_path | $libdir
dynamic_shared_memory_type | windows
effective_cache_size | 4GB
effective_io_concurrency | 0
enable_bitmapscan | on
enable_gathermerge | on
enable_hashagg | on
enable_hashjoin | on
enable_indexonlyscan | on
enable_indexscan | on
enable_material | on
enable_mergejoin | on
enable_nestloop | on
enable_parallel_append | on
enable_parallel_hash | on
enable_partition_pruning | on
enable_partitionwise_aggregate | off
enable_partitionwise_join | off
enable_seqscan | on
enable_sort | on
enable_tidscan | on
escape_string_warning | on
event_source | PostgreSQL
exit_on_error | off
external_pid_file |
extra_float_digits | 0
force_parallel_mode | off
from_collapse_limit | 8
fsync | on
full_page_writes | on
geqo | on
geqo_effort | 5
geqo_generations | 0
geqo_pool_size | 0
geqo_seed | 0
geqo_selection_bias | 2
geqo_threshold | 12
gin_fuzzy_search_limit | 0
gin_pending_list_limit | 4MB
hot_standby | on
hot_standby_feedback | off
huge_pages | try
idle_in_transaction_session_timeout | 0
ignore_checksum_failure | off
ignore_system_indexes | off
integer_datetimes | on
IntervalStyle | postgres
jit | off
jit_above_cost | 100000
jit_debugging_support | off
jit_dump_bitcode | off
jit_expressions | on
jit_inline_above_cost | 500000
jit_optimize_above_cost | 500000
jit_profiling_support | off
jit_provider | llvmjit
jit_tuple_deforming | on
join_collapse_limit | 8
krb_caseins_users | off
krb_server_keyfile |
lc_collate | English_United States.1252
lc_ctype | English_United States.1252
lc_messages | English_United States.1252
lc_monetary | English_United States.1252
lc_numeric | English_United States.1252
lc_time | English_United States.1252
listen_addresses | localhost
lo_compat_privileges | off
local_preload_libraries |
lock_timeout | 0
log_autovacuum_min_duration | -1
log_checkpoints | off
log_connections | off
log_destination | stderr
log_directory | log
log_disconnections | off
log_duration | off
log_error_verbosity | default
log_executor_stats | off
log_file_mode | 0640
log_filename | postgresql-%Y-%m-%d_%H%M%S.log
log_hostname | off
log_line_prefix | %m [%p]
log_lock_waits | off
log_min_duration_statement | -1
log_min_error_statement | error
log_min_messages | warning
log_parser_stats | off
log_planner_stats | off
log_replication_commands | off
log_rotation_age | 1d
log_rotation_size | 10MB
log_statement | none
log_statement_stats | off
log_temp_files | -1
log_timezone | US/Central
log_truncate_on_rotation | off
logging_collector | off
maintenance_work_mem | 64MB
max_connections | 100
max_files_per_process | 1000
max_function_args | 100
max_identifier_length | 63
max_index_keys | 32
max_locks_per_transaction | 64
max_logical_replication_workers | 4
max_parallel_maintenance_workers | 2
max_parallel_workers | 8
max_parallel_workers_per_gather | 2
max_pred_locks_per_page | 2
max_pred_locks_per_relation | -2
max_pred_locks_per_transaction | 64
max_prepared_transactions | 0
max_replication_slots | 10
max_stack_depth | 2MB
max_standby_archive_delay | 30s
max_standby_streaming_delay | 30s
max_sync_workers_per_subscription | 2
max_wal_senders | 10
max_wal_size | 1GB
max_worker_processes | 8
min_parallel_index_scan_size | 512kB
min_parallel_table_scan_size | 8MB
min_wal_size | 80MB
old_snapshot_threshold | -1
operator_precedence_warning | off
parallel_leader_participation | on
parallel_setup_cost | 1000
parallel_tuple_cost | 0.1
password_encryption | md5
port | 5432
post_auth_delay | 0
pre_auth_delay | 0
quote_all_identifiers | off
random_page_cost | 4
restart_after_crash | on
row_security | on
search_path | "$user", public
segment_size | 1GB
seq_page_cost | 1
server_encoding | UTF8
server_version | 11.9
server_version_num | 110009
session_preload_libraries |
session_replication_role | origin
shared_buffers | 128MB
shared_preload_libraries |
ssl | off
ssl_ca_file |
ssl_cert_file | server.crt
ssl_ciphers | HIGH:MEDIUM:+3DES:!aNULL
ssl_crl_file |
ssl_dh_params_file |
ssl_ecdh_curve | prime256v1
ssl_key_file | server.key
ssl_passphrase_command |
ssl_passphrase_command_supports_reload | off
ssl_prefer_server_ciphers | on
standard_conforming_strings | on
statement_timeout | 0
stats_temp_directory | pg_stat_tmp
superuser_reserved_connections | 3
synchronize_seqscans | on
synchronous_commit | on
synchronous_standby_names |
syslog_facility | none
syslog_ident | postgres
syslog_sequence_numbers | on
syslog_split_messages | on
tcp_keepalives_count | 0
tcp_keepalives_idle | -1
tcp_keepalives_interval | -1
temp_buffers | 8MB
temp_file_limit | -1
temp_tablespaces |
TimeZone | US/Central
timezone_abbreviations | Default
trace_notify | off
trace_recovery_messages | log
trace_sort | off
track_activities | on
track_activity_query_size | 1kB
track_commit_timestamp | off
track_counts | on
track_functions | none
track_io_timing | off
transaction_deferrable | off
transaction_isolation | read committed
transaction_read_only | off
transform_null_equals | off
unix_socket_directories |
unix_socket_group |
unix_socket_permissions | 0777
update_process_title | off
vacuum_cleanup_index_scale_factor | 0.1
vacuum_cost_delay | 0
vacuum_cost_limit | 200
vacuum_cost_page_dirty | 20
vacuum_cost_page_hit | 1
vacuum_cost_page_miss | 10
vacuum_defer_cleanup_age | 0
vacuum_freeze_min_age | 50000000
vacuum_freeze_table_age | 150000000
vacuum_multixact_freeze_min_age | 5000000
vacuum_multixact_freeze_table_age | 150000000
wal_block_size | 8192
wal_buffers | 4MB
wal_compression | off
wal_consistency_checking |
wal_keep_segments | 0
wal_level | replica
wal_log_hints | off
wal_receiver_status_interval | 10s
wal_receiver_timeout | 1min
wal_retrieve_retry_interval | 5s
wal_segment_size | 16MB
wal_sender_timeout | 1min
wal_sync_method | open_datasync
wal_writer_delay | 200ms
wal_writer_flush_after | 1MB
work_mem | 4MB
xmlbinary | base64
xmloption | content
zero_damaged_pages | off
jakajancar
Version: PostgreSQL 13.0, compiled by Visual C++ build 1914, 64-bit
The promise for
conn.querynever rejects or resolves when a constraint is violated. (same for prepared statements)E.g.:
Output:
DB:
I just noticed the date of this library and the date of PostgreSQL 13.0; will try on a lower version.