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bytea_output
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the output format for values of type bytea. Valid values are hex (the default) and escape (the traditional PostgreSQL format). |
| Data type | enumeration |
| Default value | hex |
| Allowed values | escape,hex |
| Parameter type | dynamic |
| Documentation | bytea_output |
check_function_bodies
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Checks function bodies during CREATE FUNCTION. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | check_function_bodies |
client_min_messages
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls the message levels that are sent to the client. |
| Data type | enumeration |
| Default value | notice |
| Allowed values | debug5,debug4,debug3,debug2,debug1,log,notice,warning,error |
| Parameter type | dynamic |
| Documentation | client_min_messages |
createrole_self_grant
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets whether a CREATEROLE user automatically grants the role to themselves, and with which options. |
| Data type | string |
| Default value | |
| Allowed values | |
| Parameter type | read-only |
| Documentation | createrole_self_grant |
default_table_access_method
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default table access method for new tables. |
| Data type | string |
| Default value | heap |
| Allowed values | heap |
| Parameter type | read-only |
| Documentation | default_table_access_method |
default_tablespace
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace to create tables and indexes in. |
| Data type | string |
| Default value | |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | default_tablespace |
default_toast_compression
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default compression method for compressible values. |
| Data type | enumeration |
| Default value | pglz |
| Allowed values | pglz |
| Parameter type | read-only |
| Documentation | default_toast_compression |
default_transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default deferrable status of each new transaction. It has no effect on read-write transactions or those operating at isolation levels lower than serializable. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_deferrable |
default_transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default isolation level of each new transaction. The default is 'read committed'. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | serializable,repeatable read,read committed,read uncommitted |
| Parameter type | dynamic |
| Documentation | default_transaction_isolation |
default_transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default read-only status of each new transaction. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_read_only |
event_triggers
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Enable/Disable event triggers for debugging purpose. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | event_triggers |
gin_pending_list_limit
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum size of the pending list for GIN index. |
| Data type | integer |
| Default value | 4096 |
| Allowed values | 64-2097151 |
| Parameter type | dynamic |
| Documentation | gin_pending_list_limit |
idle_in_transaction_session_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration of any idling transaction. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | idle_in_transaction_session_timeout |
idle_session_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed idle time between queries, when not in a transaction. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | idle_session_timeout |
lock_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any wait for a lock. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | lock_timeout |
restrict_nonsystem_relation_kind
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Prohibits access to non-system relations of specified kinds. |
| Data type | string |
| Default value | |
| Allowed values | |
| Parameter type | read-only |
| Documentation | restrict_nonsystem_relation_kind |
row_security
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Enables row security. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation |
search_path
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the schema search order for names that are not schema-qualified. |
| Data type | string |
| Default value | \"$user\", public |
| Allowed values | [A-Za-z0-9.\"$,_ -]+ |
| Parameter type | dynamic |
| Documentation | search_path |
session_replication_role
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls firing of replication-related triggers and rules for the current session. |
| Data type | enumeration |
| Default value | origin |
| Allowed values | origin,replica,local |
| Parameter type | dynamic |
| Documentation | session_replication_role |
statement_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any statement. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | statement_timeout |
temp_tablespaces
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace(s) to use for temporary tables and sort files if not specified in the CREATE command. |
| Data type | string |
| Default value | temptblspace |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | temp_tablespaces |
transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Whether to defer a read-only serializable transaction until it can be executed with no possible serialization failures. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_deferrable |
transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's isolation level. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | read committed |
| Parameter type | read-only |
| Documentation | transaction_isolation |
transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's read-only status. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_read_only |
transaction_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any transcation in a session. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | transaction_timeout |
vacuum_failsafe_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Age at which VACUUM should trigger failsafe to avoid a wraparound outage. |
| Data type | integer |
| Default value | 1600000000 |
| Allowed values | 0-2100000000 |
| Parameter type | dynamic |
| Documentation | vacuum_failsafe_age |
vacuum_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in transactions) that VACUUM should use to decide whether to freeze row versions while scanning a table. |
| Data type | integer |
| Default value | 50000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_min_age |
vacuum_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Age at which VACUUM should scan whole table to freeze tuples. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_table_age |
vacuum_multixact_failsafe_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Multixact age at which VACUUM should trigger failsafe to avoid a wraparound outage. |
| Data type | integer |
| Default value | 1600000000 |
| Allowed values | 0-2100000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_failsafe_age |
vacuum_multixact_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in multixacts) that VACUUM should use to decide whether to replace multixact IDs with a newer transaction ID or multixact ID while scanning a table. |
| Data type | integer |
| Default value | 5000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_min_age |
vacuum_multixact_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | VACUUM performs a full table scan to freeze rows if the table has reached the age specified by this setting. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_table_age |
xmlbinary
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets how binary values are to be encoded in XML. |
| Data type | enumeration |
| Default value | base64 |
| Allowed values | base64,hex |
| Parameter type | dynamic |
| Documentation | xmlbinary |
xmloption
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets whether XML data in implicit parsing and serialization operations is to be considered as documents or content fragments. |
| Data type | enumeration |
| Default value | content |
| Allowed values | content,document |
| Parameter type | dynamic |
| Documentation | xmloption |
bytea_output
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the output format for values of type bytea. Valid values are hex (the default) and escape (the traditional PostgreSQL format). |
| Data type | enumeration |
| Default value | hex |
| Allowed values | escape,hex |
| Parameter type | dynamic |
| Documentation | bytea_output |
check_function_bodies
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Checks function bodies during CREATE FUNCTION. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | check_function_bodies |
client_min_messages
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls the message levels that are sent to the client. |
| Data type | enumeration |
| Default value | notice |
| Allowed values | debug5,debug4,debug3,debug2,debug1,log,notice,warning,error |
| Parameter type | dynamic |
| Documentation | client_min_messages |
createrole_self_grant
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets whether a CREATEROLE user automatically grants the role to themselves, and with which options. |
| Data type | string |
| Default value | |
| Allowed values | |
| Parameter type | read-only |
| Documentation | createrole_self_grant |
default_table_access_method
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default table access method for new tables. |
| Data type | string |
| Default value | heap |
| Allowed values | heap |
| Parameter type | read-only |
| Documentation | default_table_access_method |
default_tablespace
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace to create tables and indexes in. |
| Data type | string |
| Default value | |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | default_tablespace |
default_toast_compression
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default compression method for compressible values. |
| Data type | enumeration |
| Default value | pglz |
| Allowed values | pglz |
| Parameter type | read-only |
| Documentation | default_toast_compression |
default_transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default deferrable status of each new transaction. It has no effect on read-write transactions or those operating at isolation levels lower than serializable. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_deferrable |
default_transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default isolation level of each new transaction. The default is 'read committed'. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | serializable,repeatable read,read committed,read uncommitted |
| Parameter type | dynamic |
| Documentation | default_transaction_isolation |
default_transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default read-only status of each new transaction. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_read_only |
gin_pending_list_limit
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum size of the pending list for GIN index. |
| Data type | integer |
| Default value | 4096 |
| Allowed values | 64-2097151 |
| Parameter type | dynamic |
| Documentation | gin_pending_list_limit |
idle_in_transaction_session_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration of any idling transaction. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | idle_in_transaction_session_timeout |
idle_session_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed idle time between queries, when not in a transaction. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | idle_session_timeout |
lock_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any wait for a lock. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | lock_timeout |
restrict_nonsystem_relation_kind
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Prohibits access to non-system relations of specified kinds. |
| Data type | string |
| Default value | |
| Allowed values | |
| Parameter type | read-only |
| Documentation | restrict_nonsystem_relation_kind |
row_security
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Enables row security. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation |
search_path
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the schema search order for names that are not schema-qualified. |
| Data type | string |
| Default value | \"$user\", public |
| Allowed values | [A-Za-z0-9.\"$,_ -]+ |
| Parameter type | dynamic |
| Documentation | search_path |
session_replication_role
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls firing of replication-related triggers and rules for the current session. |
| Data type | enumeration |
| Default value | origin |
| Allowed values | origin,replica,local |
| Parameter type | dynamic |
| Documentation | session_replication_role |
statement_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any statement. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | statement_timeout |
temp_tablespaces
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace(s) to use for temporary tables and sort files if not specified in the CREATE command. |
| Data type | string |
| Default value | temptblspace |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | temp_tablespaces |
transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Whether to defer a read-only serializable transaction until it can be executed with no possible serialization failures. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_deferrable |
transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's isolation level. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | read committed |
| Parameter type | read-only |
| Documentation | transaction_isolation |
transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's read-only status. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_read_only |
vacuum_failsafe_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Age at which VACUUM should trigger failsafe to avoid a wraparound outage. |
| Data type | integer |
| Default value | 1600000000 |
| Allowed values | 0-2100000000 |
| Parameter type | dynamic |
| Documentation | vacuum_failsafe_age |
vacuum_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in transactions) that VACUUM should use to decide whether to freeze row versions while scanning a table. |
| Data type | integer |
| Default value | 50000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_min_age |
vacuum_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Age at which VACUUM should scan whole table to freeze tuples. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_table_age |
vacuum_multixact_failsafe_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Multixact age at which VACUUM should trigger failsafe to avoid a wraparound outage. |
| Data type | integer |
| Default value | 1600000000 |
| Allowed values | 0-2100000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_failsafe_age |
vacuum_multixact_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in multixacts) that VACUUM should use to decide whether to replace multixact IDs with a newer transaction ID or multixact ID while scanning a table. |
| Data type | integer |
| Default value | 5000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_min_age |
vacuum_multixact_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | VACUUM performs a full table scan to freeze rows if the table has reached the age specified by this setting. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_table_age |
xmlbinary
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets how binary values are to be encoded in XML. |
| Data type | enumeration |
| Default value | base64 |
| Allowed values | base64,hex |
| Parameter type | dynamic |
| Documentation | xmlbinary |
xmloption
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets whether XML data in implicit parsing and serialization operations is to be considered as documents or content fragments. |
| Data type | enumeration |
| Default value | content |
| Allowed values | content,document |
| Parameter type | dynamic |
| Documentation | xmloption |
bytea_output
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the output format for values of type bytea. Valid values are hex (the default) and escape (the traditional PostgreSQL format). |
| Data type | enumeration |
| Default value | hex |
| Allowed values | escape,hex |
| Parameter type | dynamic |
| Documentation | bytea_output |
check_function_bodies
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Checks function bodies during CREATE FUNCTION. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | check_function_bodies |
client_min_messages
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls the message levels that are sent to the client. |
| Data type | enumeration |
| Default value | notice |
| Allowed values | debug5,debug4,debug3,debug2,debug1,log,notice,warning,error |
| Parameter type | dynamic |
| Documentation | client_min_messages |
default_table_access_method
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default table access method for new tables. |
| Data type | string |
| Default value | heap |
| Allowed values | heap |
| Parameter type | read-only |
| Documentation | default_table_access_method |
default_tablespace
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace to create tables and indexes in. |
| Data type | string |
| Default value | |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | default_tablespace |
default_toast_compression
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default compression method for compressible values. |
| Data type | enumeration |
| Default value | pglz |
| Allowed values | pglz |
| Parameter type | read-only |
| Documentation | default_toast_compression |
default_transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default deferrable status of each new transaction. It has no effect on read-write transactions or those operating at isolation levels lower than serializable. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_deferrable |
default_transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default isolation level of each new transaction. The default is 'read committed'. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | serializable,repeatable read,read committed,read uncommitted |
| Parameter type | dynamic |
| Documentation | default_transaction_isolation |
default_transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default read-only status of each new transaction. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_read_only |
gin_pending_list_limit
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum size of the pending list for GIN index. |
| Data type | integer |
| Default value | 4096 |
| Allowed values | 64-2097151 |
| Parameter type | dynamic |
| Documentation | gin_pending_list_limit |
idle_in_transaction_session_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration of any idling transaction. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | idle_in_transaction_session_timeout |
idle_session_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed idle time between queries, when not in a transaction. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | idle_session_timeout |
lock_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any wait for a lock. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | lock_timeout |
row_security
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Enables row security. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation |
search_path
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the schema search order for names that are not schema-qualified. |
| Data type | string |
| Default value | \"$user\", public |
| Allowed values | [A-Za-z0-9.\"$,_ -]+ |
| Parameter type | dynamic |
| Documentation | search_path |
session_replication_role
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls firing of replication-related triggers and rules for the current session. |
| Data type | enumeration |
| Default value | origin |
| Allowed values | origin,replica,local |
| Parameter type | dynamic |
| Documentation | session_replication_role |
statement_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any statement. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | statement_timeout |
temp_tablespaces
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace(s) to use for temporary tables and sort files if not specified in the CREATE command. |
| Data type | string |
| Default value | temptblspace |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | temp_tablespaces |
transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Whether to defer a read-only serializable transaction until it can be executed with no possible serialization failures. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_deferrable |
transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's isolation level. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | read committed |
| Parameter type | read-only |
| Documentation | transaction_isolation |
transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's read-only status. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_read_only |
vacuum_failsafe_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Age at which VACUUM should trigger failsafe to avoid a wraparound outage. |
| Data type | integer |
| Default value | 1600000000 |
| Allowed values | 0-2100000000 |
| Parameter type | dynamic |
| Documentation | vacuum_failsafe_age |
vacuum_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in transactions) that VACUUM should use to decide whether to freeze row versions while scanning a table. |
| Data type | integer |
| Default value | 50000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_min_age |
vacuum_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Age at which VACUUM should scan whole table to freeze tuples. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_table_age |
vacuum_multixact_failsafe_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Multixact age at which VACUUM should trigger failsafe to avoid a wraparound outage. |
| Data type | integer |
| Default value | 1600000000 |
| Allowed values | 0-2100000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_failsafe_age |
vacuum_multixact_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in multixacts) that VACUUM should use to decide whether to replace multixact IDs with a newer transaction ID or multixact ID while scanning a table. |
| Data type | integer |
| Default value | 5000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_min_age |
vacuum_multixact_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | VACUUM performs a full table scan to freeze rows if the table has reached the age specified by this setting. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_table_age |
xmlbinary
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets how binary values are to be encoded in XML. |
| Data type | enumeration |
| Default value | base64 |
| Allowed values | base64,hex |
| Parameter type | dynamic |
| Documentation | xmlbinary |
xmloption
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets whether XML data in implicit parsing and serialization operations is to be considered as documents or content fragments. |
| Data type | enumeration |
| Default value | content |
| Allowed values | content,document |
| Parameter type | dynamic |
| Documentation | xmloption |
bytea_output
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the output format for values of type bytea. Valid values are hex (the default) and escape (the traditional PostgreSQL format). |
| Data type | enumeration |
| Default value | hex |
| Allowed values | escape,hex |
| Parameter type | dynamic |
| Documentation | bytea_output |
check_function_bodies
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Checks function bodies during CREATE FUNCTION. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | check_function_bodies |
client_min_messages
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls the message levels that are sent to the client. |
| Data type | enumeration |
| Default value | notice |
| Allowed values | debug5,debug4,debug3,debug2,debug1,log,notice,warning,error |
| Parameter type | dynamic |
| Documentation | client_min_messages |
default_table_access_method
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default table access method for new tables. |
| Data type | string |
| Default value | heap |
| Allowed values | heap |
| Parameter type | read-only |
| Documentation | default_table_access_method |
default_tablespace
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace to create tables and indexes in. |
| Data type | string |
| Default value | |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | default_tablespace |
default_toast_compression
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default compression method for compressible values. |
| Data type | enumeration |
| Default value | pglz |
| Allowed values | pglz |
| Parameter type | read-only |
| Documentation | default_toast_compression |
default_transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default deferrable status of each new transaction. It has no effect on read-write transactions or those operating at isolation levels lower than serializable. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_deferrable |
default_transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default isolation level of each new transaction. The default is 'read committed'. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | serializable,repeatable read,read committed,read uncommitted |
| Parameter type | dynamic |
| Documentation | default_transaction_isolation |
default_transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default read-only status of each new transaction. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_read_only |
gin_pending_list_limit
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum size of the pending list for GIN index. |
| Data type | integer |
| Default value | 4096 |
| Allowed values | 64-2097151 |
| Parameter type | dynamic |
| Documentation | gin_pending_list_limit |
idle_in_transaction_session_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration of any idling transaction. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | idle_in_transaction_session_timeout |
idle_session_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed idle time between queries, when not in a transaction. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | idle_session_timeout |
lock_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any wait for a lock. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | lock_timeout |
row_security
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Enables row security. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation |
search_path
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the schema search order for names that are not schema-qualified. |
| Data type | string |
| Default value | \"$user\", public |
| Allowed values | [A-Za-z0-9.\"$,_ -]+ |
| Parameter type | dynamic |
| Documentation | search_path |
session_replication_role
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls firing of replication-related triggers and rules for the current session. |
| Data type | enumeration |
| Default value | origin |
| Allowed values | origin,replica,local |
| Parameter type | dynamic |
| Documentation | session_replication_role |
statement_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any statement. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | statement_timeout |
temp_tablespaces
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace(s) to use for temporary tables and sort files if not specified in the CREATE command. |
| Data type | string |
| Default value | temptblspace |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | temp_tablespaces |
transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Whether to defer a read-only serializable transaction until it can be executed with no possible serialization failures. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_deferrable |
transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's isolation level. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | read committed |
| Parameter type | read-only |
| Documentation | transaction_isolation |
transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's read-only status. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_read_only |
vacuum_failsafe_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Age at which VACUUM should trigger failsafe to avoid a wraparound outage. |
| Data type | integer |
| Default value | 1600000000 |
| Allowed values | 0-2100000000 |
| Parameter type | dynamic |
| Documentation | vacuum_failsafe_age |
vacuum_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in transactions) that VACUUM should use to decide whether to freeze row versions while scanning a table. |
| Data type | integer |
| Default value | 50000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_min_age |
vacuum_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Age at which VACUUM should scan whole table to freeze tuples. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_table_age |
vacuum_multixact_failsafe_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Multixact age at which VACUUM should trigger failsafe to avoid a wraparound outage. |
| Data type | integer |
| Default value | 1600000000 |
| Allowed values | 0-2100000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_failsafe_age |
vacuum_multixact_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in multixacts) that VACUUM should use to decide whether to replace multixact IDs with a newer transaction ID or multixact ID while scanning a table. |
| Data type | integer |
| Default value | 5000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_min_age |
vacuum_multixact_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | VACUUM performs a full table scan to freeze rows if the table has reached the age specified by this setting. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_table_age |
xmlbinary
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets how binary values are to be encoded in XML. |
| Data type | enumeration |
| Default value | base64 |
| Allowed values | base64,hex |
| Parameter type | dynamic |
| Documentation | xmlbinary |
xmloption
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets whether XML data in implicit parsing and serialization operations is to be considered as documents or content fragments. |
| Data type | enumeration |
| Default value | content |
| Allowed values | content,document |
| Parameter type | dynamic |
| Documentation | xmloption |
bytea_output
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the output format for values of type bytea. Valid values are hex (the default) and escape (the traditional PostgreSQL format). |
| Data type | enumeration |
| Default value | hex |
| Allowed values | escape,hex |
| Parameter type | dynamic |
| Documentation | bytea_output |
check_function_bodies
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Checks function bodies during CREATE FUNCTION. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | check_function_bodies |
client_min_messages
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls the message levels that are sent to the client. |
| Data type | enumeration |
| Default value | notice |
| Allowed values | debug5,debug4,debug3,debug2,debug1,log,notice,warning,error |
| Parameter type | dynamic |
| Documentation | client_min_messages |
default_table_access_method
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default table access method for new tables. |
| Data type | string |
| Default value | heap |
| Allowed values | heap |
| Parameter type | read-only |
| Documentation | default_table_access_method |
default_tablespace
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace to create tables and indexes in. |
| Data type | string |
| Default value | |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | default_tablespace |
default_transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default deferrable status of each new transaction. It has no effect on read-write transactions or those operating at isolation levels lower than serializable. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_deferrable |
default_transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default isolation level of each new transaction. The default is 'read committed'. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | serializable,repeatable read,read committed,read uncommitted |
| Parameter type | dynamic |
| Documentation | default_transaction_isolation |
default_transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default read-only status of each new transaction. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_read_only |
gin_pending_list_limit
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum size of the pending list for GIN index. |
| Data type | integer |
| Default value | 4096 |
| Allowed values | 64-2097151 |
| Parameter type | dynamic |
| Documentation | gin_pending_list_limit |
idle_in_transaction_session_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration of any idling transaction. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | idle_in_transaction_session_timeout |
lock_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any wait for a lock. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | lock_timeout |
row_security
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Enables row security. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation |
search_path
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the schema search order for names that are not schema-qualified. |
| Data type | string |
| Default value | \"$user\", public |
| Allowed values | [A-Za-z0-9.\"$,_ -]+ |
| Parameter type | dynamic |
| Documentation | search_path |
session_replication_role
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls firing of replication-related triggers and rules for the current session. |
| Data type | enumeration |
| Default value | origin |
| Allowed values | origin,replica,local |
| Parameter type | dynamic |
| Documentation | session_replication_role |
statement_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any statement. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | statement_timeout |
temp_tablespaces
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace(s) to use for temporary tables and sort files if not specified in the CREATE command. |
| Data type | string |
| Default value | temptblspace |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | temp_tablespaces |
transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Whether to defer a read-only serializable transaction until it can be executed with no possible serialization failures. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_deferrable |
transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's isolation level. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | read committed |
| Parameter type | read-only |
| Documentation | transaction_isolation |
transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's read-only status. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_read_only |
vacuum_cleanup_index_scale_factor
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Number of tuple inserts prior to index cleanup as a fraction of reltuples. |
| Data type | numeric |
| Default value | 0.1 |
| Allowed values | 0.1 |
| Parameter type | read-only |
| Documentation |
vacuum_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in transactions) that VACUUM should use to decide whether to freeze row versions while scanning a table. |
| Data type | integer |
| Default value | 50000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_min_age |
vacuum_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Age at which VACUUM should scan whole table to freeze tuples. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_table_age |
vacuum_multixact_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in multixacts) that VACUUM should use to decide whether to replace multixact IDs with a newer transaction ID or multixact ID while scanning a table. |
| Data type | integer |
| Default value | 5000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_min_age |
vacuum_multixact_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | VACUUM performs a full table scan to freeze rows if the table has reached the age specified by this setting. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_table_age |
xmlbinary
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets how binary values are to be encoded in XML. |
| Data type | enumeration |
| Default value | base64 |
| Allowed values | base64,hex |
| Parameter type | dynamic |
| Documentation | xmlbinary |
xmloption
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets whether XML data in implicit parsing and serialization operations is to be considered as documents or content fragments. |
| Data type | enumeration |
| Default value | content |
| Allowed values | content,document |
| Parameter type | dynamic |
| Documentation | xmloption |
bytea_output
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the output format for values of type bytea. Valid values are hex (the default) and escape (the traditional PostgreSQL format). |
| Data type | enumeration |
| Default value | hex |
| Allowed values | escape,hex |
| Parameter type | dynamic |
| Documentation | bytea_output |
check_function_bodies
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Checks function bodies during CREATE FUNCTION. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | check_function_bodies |
client_min_messages
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls the message levels that are sent to the client. |
| Data type | enumeration |
| Default value | notice |
| Allowed values | debug5,debug4,debug3,debug2,debug1,log,notice,warning,error |
| Parameter type | dynamic |
| Documentation | client_min_messages |
default_table_access_method
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default table access method for new tables. |
| Data type | string |
| Default value | heap |
| Allowed values | heap |
| Parameter type | read-only |
| Documentation | default_table_access_method |
default_tablespace
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace to create tables and indexes in. |
| Data type | string |
| Default value | |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | default_tablespace |
default_transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default deferrable status of each new transaction. It has no effect on read-write transactions or those operating at isolation levels lower than serializable. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_deferrable |
default_transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default isolation level of each new transaction. The default is 'read committed'. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | serializable,repeatable read,read committed,read uncommitted |
| Parameter type | dynamic |
| Documentation | default_transaction_isolation |
default_transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default read-only status of each new transaction. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_read_only |
gin_pending_list_limit
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum size of the pending list for GIN index. |
| Data type | integer |
| Default value | 4096 |
| Allowed values | 64-2097151 |
| Parameter type | dynamic |
| Documentation | gin_pending_list_limit |
idle_in_transaction_session_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration of any idling transaction. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | idle_in_transaction_session_timeout |
lock_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any wait for a lock. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | lock_timeout |
restrict_nonsystem_relation_kind
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Prohibits access to non-system relations of specified kinds. |
| Data type | string |
| Default value | |
| Allowed values | |
| Parameter type | read-only |
| Documentation | restrict_nonsystem_relation_kind |
row_security
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Enables row security. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation |
search_path
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the schema search order for names that are not schema-qualified. |
| Data type | string |
| Default value | \"$user\", public |
| Allowed values | [A-Za-z0-9.\"$,_ -]+ |
| Parameter type | dynamic |
| Documentation | search_path |
session_replication_role
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls firing of replication-related triggers and rules for the current session. |
| Data type | enumeration |
| Default value | origin |
| Allowed values | origin,replica,local |
| Parameter type | dynamic |
| Documentation | session_replication_role |
statement_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any statement. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | statement_timeout |
temp_tablespaces
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace(s) to use for temporary tables and sort files if not specified in the CREATE command. |
| Data type | string |
| Default value | |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | temp_tablespaces |
transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Whether to defer a read-only serializable transaction until it can be executed with no possible serialization failures. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_deferrable |
transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's isolation level. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | read committed |
| Parameter type | read-only |
| Documentation | transaction_isolation |
transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's read-only status. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_read_only |
vacuum_cleanup_index_scale_factor
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Number of tuple inserts prior to index cleanup as a fraction of reltuples. |
| Data type | numeric |
| Default value | 0.1 |
| Allowed values | 0.1 |
| Parameter type | read-only |
| Documentation |
vacuum_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in transactions) that VACUUM should use to decide whether to freeze row versions while scanning a table. |
| Data type | integer |
| Default value | 50000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_min_age |
vacuum_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Age at which VACUUM should scan whole table to freeze tuples. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_table_age |
vacuum_multixact_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in multixacts) that VACUUM should use to decide whether to replace multixact IDs with a newer transaction ID or multixact ID while scanning a table. |
| Data type | integer |
| Default value | 5000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_min_age |
vacuum_multixact_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | VACUUM performs a full table scan to freeze rows if the table has reached the age specified by this setting. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_table_age |
xmlbinary
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets how binary values are to be encoded in XML. |
| Data type | enumeration |
| Default value | base64 |
| Allowed values | base64,hex |
| Parameter type | dynamic |
| Documentation | xmlbinary |
xmloption
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets whether XML data in implicit parsing and serialization operations is to be considered as documents or content fragments. |
| Data type | enumeration |
| Default value | content |
| Allowed values | content,document |
| Parameter type | dynamic |
| Documentation | xmloption |
bytea_output
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the output format for values of type bytea. Valid values are hex (the default) and escape (the traditional PostgreSQL format). |
| Data type | enumeration |
| Default value | hex |
| Allowed values | escape,hex |
| Parameter type | dynamic |
| Documentation | bytea_output |
check_function_bodies
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Checks function bodies during CREATE FUNCTION. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | check_function_bodies |
client_min_messages
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls the message levels that are sent to the client. |
| Data type | enumeration |
| Default value | notice |
| Allowed values | debug5,debug4,debug3,debug2,debug1,log,notice,warning,error |
| Parameter type | dynamic |
| Documentation | client_min_messages |
default_tablespace
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace to create tables and indexes in. |
| Data type | string |
| Default value | |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | default_tablespace |
default_transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default deferrable status of each new transaction. It has no effect on read-write transactions or those operating at isolation levels lower than serializable. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_deferrable |
default_transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | This parameter controls the default isolation level of each new transaction. The default is 'read committed'. |
| Data type | enumeration |
| Default value | read committed |
| Allowed values | serializable,repeatable read,read committed,read uncommitted |
| Parameter type | dynamic |
| Documentation | default_transaction_isolation |
default_transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default read-only status of each new transaction. |
| Data type | boolean |
| Default value | off |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation | default_transaction_read_only |
gin_pending_list_limit
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum size of the pending list for GIN index. |
| Data type | integer |
| Default value | 4096 |
| Allowed values | 64-2097151 |
| Parameter type | dynamic |
| Documentation | gin_pending_list_limit |
idle_in_transaction_session_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration of any idling transaction. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | idle_in_transaction_session_timeout |
lock_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any wait for a lock. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | lock_timeout |
row_security
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Enables row security. |
| Data type | boolean |
| Default value | on |
| Allowed values | on,off |
| Parameter type | dynamic |
| Documentation |
search_path
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the schema search order for names that are not schema-qualified. |
| Data type | string |
| Default value | \"$user\", public |
| Allowed values | [A-Za-z0-9.\"$,_ -]+ |
| Parameter type | dynamic |
| Documentation | search_path |
session_replication_role
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Controls firing of replication-related triggers and rules for the current session. |
| Data type | enumeration |
| Default value | origin |
| Allowed values | origin,replica,local |
| Parameter type | dynamic |
| Documentation | session_replication_role |
statement_timeout
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the maximum allowed duration (in milliseconds) of any statement. 0 turns this off. |
| Data type | integer |
| Default value | 0 |
| Allowed values | 0-2147483647 |
| Parameter type | dynamic |
| Documentation | statement_timeout |
temp_tablespaces
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the default tablespace(s) to use for temporary tables and sort files if not specified in the CREATE command. |
| Data type | string |
| Default value | |
| Allowed values | [A-Za-z._]* |
| Parameter type | dynamic |
| Documentation | temp_tablespaces |
transaction_deferrable
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Whether to defer a read-only serializable transaction until it can be executed with no possible serialization failures. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_deferrable |
transaction_isolation
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's isolation level. |
| Data type | string |
| Default value | read committed |
| Allowed values | read committed |
| Parameter type | read-only |
| Documentation | transaction_isolation |
transaction_read_only
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets the current transaction's read-only status. |
| Data type | boolean |
| Default value | off |
| Allowed values | off |
| Parameter type | read-only |
| Documentation | transaction_read_only |
vacuum_cleanup_index_scale_factor
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Number of tuple inserts prior to index cleanup as a fraction of reltuples. |
| Data type | numeric |
| Default value | 0.1 |
| Allowed values | 0.1 |
| Parameter type | read-only |
| Documentation |
vacuum_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in transactions) that VACUUM should use to decide whether to freeze row versions while scanning a table. |
| Data type | integer |
| Default value | 50000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_min_age |
vacuum_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Age at which VACUUM should scan whole table to freeze tuples. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_freeze_table_age |
vacuum_multixact_freeze_min_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Specifies the cutoff age (in multixacts) that VACUUM should use to decide whether to replace multixact IDs with a newer transaction ID or multixact ID while scanning a table. |
| Data type | integer |
| Default value | 5000000 |
| Allowed values | 0-1000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_min_age |
vacuum_multixact_freeze_table_age
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | VACUUM performs a full table scan to freeze rows if the table has reached the age specified by this setting. |
| Data type | integer |
| Default value | 150000000 |
| Allowed values | 0-2000000000 |
| Parameter type | dynamic |
| Documentation | vacuum_multixact_freeze_table_age |
xmlbinary
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets how binary values are to be encoded in XML. |
| Data type | enumeration |
| Default value | base64 |
| Allowed values | base64,hex |
| Parameter type | dynamic |
| Documentation | xmlbinary |
xmloption
| Attribute | Value |
|---|---|
| Category | Client Connection Defaults / Statement Behavior |
| Description | Sets whether XML data in implicit parsing and serialization operations is to be considered as documents or content fragments. |
| Data type | enumeration |
| Default value | content |
| Allowed values | content,document |
| Parameter type | dynamic |
| Documentation | xmloption |