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Misc docs fixes

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Dmitry Yemanov 2019-01-28 09:48:05 +03:00
parent 3e2fa9dfc2
commit 37e5a89d8f
2 changed files with 81 additions and 66 deletions
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18
CHANGELOG.md
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@ -3,11 +3,11 @@
## New features
* [CORE-5990](http://tracker.firebirdsql.org/browse/CORE-5990): Pool of external connections
Reference(s): [/doc/sql.extentions/README.external_connections_pool](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.external_connections_pool)
Reference(s): [/doc/sql.extensions/README.external_connections_pool](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.external_connections_pool)
Contributor(s): Vlad Khorsun
* [CORE-5970](http://tracker.firebirdsql.org/browse/CORE-5970): Built-in cryptographic functions
Reference(s): [/doc/sql.extentions/README.builtin_functions.txt](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.builtin_functions.txt)
Reference(s): [/doc/sql.extensions/README.builtin_functions.txt](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.builtin_functions.txt)
Contributor(s): Alex Peshkoff
* [CORE-5953](http://tracker.firebirdsql.org/browse/CORE-5953): Statement level read consistency in read-committed transactions
@ -25,7 +25,7 @@
Contributor(s): Adriano dos Santos Fernandes
* [CORE-5620](http://tracker.firebirdsql.org/browse/CORE-5620): Add builtin functions FIRST_DAY and LAST_DAY
Reference(s): [/doc/sql.extentions/README.builtin_functions.txt](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.builtin_functions.txt)
Reference(s): [/doc/sql.extensions/README.builtin_functions.txt](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.builtin_functions.txt)
Contributor(s): Adriano dos Santos Fernandes
* [CORE-5536](http://tracker.firebirdsql.org/browse/CORE-5536): Connection compressed/encrypted status in MON$ATTACHMENTS table
@ -37,11 +37,11 @@
Contributor(s): Dmitry Yemanov
* [CORE-909](http://tracker.firebirdsql.org/browse/CORE-909): Ability to retrieve current UTC/GMT timestamp
Reference(s): [/doc/sql.extentions/README.time_zone.md](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.time_zone.md)
Reference(s): [/doc/sql.extensions/README.time_zone.md](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.time_zone.md)
Contributor(s): Adriano dos Santos Fernandes
* [CORE-694](http://tracker.firebirdsql.org/browse/CORE-694): Support for time zones
Reference(s): [/doc/sql.extentions/README.time_zone.md](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.time_zone.md)
Reference(s): [/doc/sql.extensions/README.time_zone.md](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.time_zone.md)
Contributor(s): Adriano dos Santos Fernandes
## Improvements
@ -65,7 +65,7 @@
Contributor(s): Alex Peshkoff
* [CORE-5921](http://tracker.firebirdsql.org/browse/CORE-5921): Provide information about Global Commit Number, Commit Number of currently used database snapshot (if any) and Commit Numbers assigned to the committed transactions
Reference(s): [/doc/sql.extentions/README.builtin_functions.txt](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.builtin_functions.txt)
Reference(s): [/doc/sql.extensions/README.builtin_functions.txt](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.builtin_functions.txt)
Contributor(s): Vlad Khorsun
* [CORE-5887](http://tracker.firebirdsql.org/browse/CORE-5887): Allow the use of management statements in PSQL blocks
@ -106,7 +106,7 @@
Contributor(s): Alex Peshkoff
* [CORE-3808](http://tracker.firebirdsql.org/browse/CORE-3808): Provide ability to return all columns using RETURNING clause
Reference(s): [/doc/sql.extentions/README.returning](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extentions/README.returning)
Reference(s): [/doc/sql.extensions/README.returning](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.returning)
Contributor(s): Adriano dos Santos Fernandes
## Bugfixes
@ -272,11 +272,11 @@
## New features
* [CORE-5568](http://tracker.firebirdsql.org/browse/CORE-5568): SQL SECURITY feature
Reference(s): [/doc/sql.extentions/README.sql_security.txt](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.sql_security.txt)
Reference(s): [/doc/sql.extensions/README.sql_security.txt](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.sql_security.txt)
Contributor(s): Roman Simakov
* [CORE-5525](http://tracker.firebirdsql.org/browse/CORE-5525): Create high-precision floating point datatype named DECFLOAT
Reference(s): [/doc/sql.extentions/README.data_types](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.data_types)
Reference(s): [/doc/sql.extensions/README.data_types](https://github.com/FirebirdSQL/firebird/raw/master/doc/sql.extensions/README.data_types)
Contributor(s): Alex Peshkoff
* [CORE-5488](http://tracker.firebirdsql.org/browse/CORE-5488): Timeouts for running SQL statements and idle connections

129
doc/sql.extensions/README.context_variables2
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@ -51,64 +51,79 @@ Usage:
SYSTEM namespace provides read-only access to the following variables.
Variable name Value
Variable name Value
------------------------------------------------------------------------------
NETWORK_PROTOCOL | The network protocol used by client to connect. Currently
| used values: "TCPv4", "TCPv6", "WNET", "XNET" and NULL
|
WIRE_COMPRESSED | Compression status of current connection.
| If connection is compressed - returns "TRUE", if it is
| not compressed - returns "FALSE".
| If connection is embedded - returns NULL.
|
WIRE_ENCRYPTED | Encryption status of current connection.
| Value is the same as for compression status above.
|
CLIENT_ADDRESS | The wire protocol address and port number of remote client
| represented as string. Value is IP address concatenated with
| port number using the '/' separator character. Value is
| returned for TCPv4 and TCPv6 protocols only, for all other
| protocols NULL is returned
|
CLIENT_HOST | The wire protocol host name of remote client. Value is
| returned for all supported protocols
|
CLIENT_PID | Process ID of remote client application
|
CLIENT_PROCESS | Process name of remote client application
|
DB_NAME | Canonical name of current database. It is either alias
| name if connectivity via file names is not allowed or
| fully expanded database file name otherwise.
|
ISOLATION_LEVEL | Isolation level for current transaction. Returned values
| are "READ COMMITTED", "CONSISTENCY", "SNAPSHOT"
|
TRANSACTION_ID | Numeric ID for current transaction. Returned value is the
| same as of CURRENT_TRANSACTION pseudo-variable
|
LOCK_TIMEOUT | Lock timeout value specified for current transaction
|
READ_ONLY | Returns "TRUE" if current transaction is read-only and
| "FALSE" otherwise
|
SESSION_ID | Numeric ID for current session. Returned value is the
| same as of CURRENT_CONNECTION pseudo-variable
|
CURRENT_USER | Current user for the connection. Returned value is the
| same as of CURRENT_USER pseudo-variable
|
CURRENT_ROLE | Current role for the connection. Returned value is the
| same as of CURRENT_ROLE pseudo-variable
|
ENGINE_VERSION | Engine version number, e.g. "2.1.0" (since V2.1)
|
GLOBAL_CN | Most current value of global Commit Number counter
|
SNAPSHOT_CN | Value of Commit Number of currently database snapshot: either
| transaction level (for SNAPSHOT or CONSISTENCY transaction),
| or request level (for READ COMMITTED READ CONSISTENCY
| transaction). NULL, if snapshot is not exist.
NETWORK_PROTOCOL | The network protocol used by client to connect. Currently
| used values: "TCPv4", "TCPv6", "WNET", "XNET" and NULL
|
WIRE_COMPRESSED | Compression status of current connection.
| If connection is compressed - returns "TRUE", if it is
| not compressed - returns "FALSE".
| If connection is embedded - returns NULL.
|
WIRE_ENCRYPTED | Encryption status of current connection.
| Value is the same as for compression status above.
|
CLIENT_ADDRESS | The wire protocol address and port number of remote client
| represented as string. Value is IP address concatenated with
| port number using the '/' separator character. Value is
| returned for TCPv4 and TCPv6 protocols only, for all other
| protocols NULL is returned
|
CLIENT_HOST | The wire protocol host name of remote client. Value is
| returned for all supported protocols
|
CLIENT_PID | Process ID of remote client application
|
CLIENT_PROCESS | Process name of remote client application
|
DB_NAME | Canonical name of current database. It is either alias
| name if connectivity via file names is not allowed or
| fully expanded database file name otherwise.
|
ISOLATION_LEVEL | Isolation level for current transaction. Returned values
| are "READ COMMITTED", "CONSISTENCY", "SNAPSHOT"
|
TRANSACTION_ID | Numeric ID for current transaction. Returned value is the
| same as of CURRENT_TRANSACTION pseudo-variable
|
LOCK_TIMEOUT | Lock timeout value specified for current transaction
|
READ_ONLY | Returns "TRUE" if current transaction is read-only and
| "FALSE" otherwise
|
SESSION_ID | Numeric ID for current session. Returned value is the
| same as of CURRENT_CONNECTION pseudo-variable
|
CURRENT_USER | Current user for the connection. Returned value is the
| same as of CURRENT_USER pseudo-variable
|
CURRENT_ROLE | Current role for the connection. Returned value is the
| same as of CURRENT_ROLE pseudo-variable
|
ENGINE_VERSION | Engine version number, e.g. "2.1.0" (since V2.1)
|
GLOBAL_CN | Most current value of global Commit Number counter
|
SNAPSHOT_CN | Value of Commit Number of currently database snapshot: either
| transaction level (for SNAPSHOT or CONSISTENCY transaction),
| or request level (for READ COMMITTED READ CONSISTENCY
| transaction). NULL, if snapshot is not exist.
|
SESSION_IDLE_TIMEOUT | Current value of idle connection timeout
|
STATEMENT_TIMEOUT | Current value of statement execution timeout
|
REPLICATION_SEQUENCE | Current replication sequence (number of the latest segment
| written to the replication journal)
|
EXT_CONN_POOL_SIZE | Pool size (number of connections inside the pool)
|
EXT_CONN_POOL_IDLE_COUNT | Count of currently inactive connections in the pool
|
EXT_CONN_POOL_ACTIVE_COUNT | Count of active connections, associated with pool
|
EXT_CONN_POOL_LIFETIME | Idle connection lifetime, in seconds
Notes:
To prevent DoS attacks against Firebird Server you are not allowed to have