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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: 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 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 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. 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. 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 variables. You can define and set value for variable with any name in this
context. USER_TRANSACTION namespace offers the same possibilities for context. USER_TRANSACTION namespace offers the same possibilities for
individual transactions. individual transactions.
@ -56,12 +56,12 @@ Usage:
NETWORK_PROTOCOL | The network protocol used by client to connect. Currently NETWORK_PROTOCOL | The network protocol used by client to connect. Currently
| used values: "TCPv4", "TCPv6", "WNET", "XNET" and NULL | used values: "TCPv4", "TCPv6", "WNET", "XNET" and NULL
| |
WIRE_COMPRESSED | Compression status of current connection. WIRE_COMPRESSED | Compression status of current connection.
| If connection is compressed - returns "TRUE", if it is | If connection is compressed - returns "TRUE", if it is
| not compressed - returns "FALSE". | not compressed - returns "FALSE".
| If connection is embedded - returns NULL. | 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. | Value is the same as for compression status above.
| |
CLIENT_ADDRESS | The wire protocol address and port number of remote client 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 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 | "FALSE" otherwise
| |
SESSION_ID | Numeric ID for current session. Returned value is the 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 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), | 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. | transaction). NULL, if snapshot is not exist.
| |
SESSION_IDLE_TIMEOUT | Current value of idle connection timeout SESSION_IDLE_TIMEOUT | Current value of idle connection timeout
| |
STATEMENT_TIMEOUT | Current value of statement execution timeout STATEMENT_TIMEOUT | Current value of statement execution timeout
| |
REPLICATION_SEQUENCE | Current replication sequence (number of the latest segment REPLICATION_SEQUENCE | Current replication sequence (number of the latest segment
| written to the replication journal) | written to the replication journal)
| |
EXT_CONN_POOL_SIZE | Pool size (number of connections inside the pool) 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 CREATE TRIGGER UI_JOURNAL FOR JOURNAL BEFORE INSERT OR UPDATE
as as
begin begin
new.jrn_lastuser = rdb$get_context('USER_TRANSACTION', 'User_ID'); new.jrn_lastuser = rdb$get_context('USER_TRANSACTION', 'User_ID');
new.jrn_lastaddr = rdb$get_context('SYSTEM', 'CLIENT_ADDRESS'); new.jrn_lastaddr = rdb$get_context('SYSTEM', 'CLIENT_ADDRESS');

4
src/jrd/SysFunction.cpp
View File

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