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Task CORE-6016 - Rename RDB$GET_CONTEXT('SYSTEM', 'SNAPSHOT_CN') to RDB$GET_CONTEXT('SYSTEM', 'SNAPSHOT_NUMBER').

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This commit is contained in:
Adriano dos Santos Fernandes 2019-03-01 12:14:14 -03:00
parent e38999f658
commit 05b5d16c44
2 changed files with 14 additions and 14 deletions
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24
doc/sql.extensions/README.context_variables2
View File

@ -28,7 +28,7 @@ Declared as:
Usage:
RDB$SET_CONTEXT and RDB$GET_CONTEXT set and retrieve current value for the
RDB$SET_CONTEXT and RDB$GET_CONTEXT set and retrieve current value for the
context variables. Namespace name identifies a group of context variables with
similar properties. Access rules such as the fact if variables may be read and
written to and by whom are determined by namespace which they belong to.
@ -44,7 +44,7 @@ Usage:
Currently, there is a fixed number of pre-defined namespaces you may use.
USER_SESSION namespace offers access to session-specific user-defined
USER_SESSION namespace offers access to session-specific user-defined
variables. You can define and set value for variable with any name in this
context. USER_TRANSACTION namespace offers the same possibilities for
individual transactions.
@ -56,12 +56,12 @@ Usage:
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".
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.
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
@ -89,7 +89,7 @@ Usage:
|
LOCK_TIMEOUT | Lock timeout value specified for current transaction
|
READ_ONLY | Returns "TRUE" if current transaction is read-only and
READ_ONLY | Returns "TRUE" if current transaction is read-only and
| "FALSE" otherwise
|
SESSION_ID | Numeric ID for current session. Returned value is the
@ -105,17 +105,17 @@ Usage:
|
GLOBAL_CN | Most current value of global Commit Number counter
|
SNAPSHOT_CN | Value of Commit Number of currently database snapshot: either
SNAPSHOT_NUMBER | Value of Snapshot Number of currently database snapshot: either
| transaction level (for SNAPSHOT or CONSISTENCY transaction),
| or request level (for READ COMMITTED READ CONSISTENCY
| 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)
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)
|
@ -145,7 +145,7 @@ create table journal (
);
CREATE TRIGGER UI_JOURNAL FOR JOURNAL BEFORE INSERT OR UPDATE
as
as
begin
new.jrn_lastuser = rdb$get_context('USER_TRANSACTION', 'User_ID');
new.jrn_lastaddr = rdb$get_context('SYSTEM', 'CLIENT_ADDRESS');

4
src/jrd/SysFunction.cpp
View File

@ -340,7 +340,7 @@ const char
ISOLATION_LEVEL_NAME[] = "ISOLATION_LEVEL",
LOCK_TIMEOUT_NAME[] = "LOCK_TIMEOUT",
READ_ONLY_NAME[] = "READ_ONLY",
SNAPSHOT_CN_NAME[] = "SNAPSHOT_CN",
SNAPSHOT_NUMBER_NAME[] = "SNAPSHOT_NUMBER",
// DDL_TRIGGER namespace
DDL_EVENT_NAME[] = "DDL_EVENT",
EVENT_TYPE_NAME[] = "EVENT_TYPE",
@ -3947,7 +3947,7 @@ dsc* evlGetContext(thread_db* tdbb, const SysFunction*, const NestValueArray& ar
resultStr = (transaction->tra_flags & TRA_readonly) ? TRUE_VALUE : FALSE_VALUE;
else if (nameStr == GLOBAL_CN_NAME)
resultStr.printf("%" SQUADFORMAT, dbb->dbb_tip_cache->getGlobalCommitNumber());
else if (nameStr == SNAPSHOT_CN_NAME)
else if (nameStr == SNAPSHOT_NUMBER_NAME)
{
if (!(transaction->tra_flags & TRA_read_committed))
resultStr.printf("%" SQUADFORMAT, transaction->tra_snapshot_number);