159 lines
5.4 KiB
C++
159 lines
5.4 KiB
C++
/*-------------------------------------------------------------------------
|
|
*
|
|
* globals.c
|
|
* global variable declarations
|
|
*
|
|
* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
|
|
* Portions Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
*
|
|
* IDENTIFICATION
|
|
* src/backend/utils/init/globals.c
|
|
*
|
|
* NOTES
|
|
* Globals used all over the place should be declared here and not
|
|
* in other modules.
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#include "postgres.h"
|
|
#include "knl/knl_variable.h"
|
|
|
|
#include "access/xact.h"
|
|
#include "catalog/objectaccess.h"
|
|
#include "libpq/pqcomm.h"
|
|
#include "miscadmin.h"
|
|
#include "storage/backendid.h"
|
|
#include "utils/formatting.h"
|
|
#include "utils/atomic.h"
|
|
#include "replication/slot.h"
|
|
|
|
THR_LOCAL ProtocolVersion FrontendProtocol = PG_PROTOCOL_LATEST;
|
|
|
|
THR_LOCAL volatile bool InterruptPending = false;
|
|
|
|
THR_LOCAL char my_exec_path[MAXPGPATH]; /* full path to my executable */
|
|
|
|
/*
|
|
* Hook on object accesses. This is intended as infrastructure for security
|
|
* and logging plugins.
|
|
*/
|
|
THR_LOCAL object_access_hook_type object_access_hook = NULL;
|
|
|
|
uint8 ce_cache_refresh_type = 0;
|
|
|
|
/*
|
|
* standalone backend). IsUnderPostmaster is true in postmaster child
|
|
* processes. Note that "child process" includes all children, not only
|
|
* regular backends. These should be set correctly as early as possible
|
|
* in the execution of a process, so that error handling will do the right
|
|
* things if an error should occur during process initialization.
|
|
*
|
|
* These are initialized for the bootstrap/standalone case.
|
|
*/
|
|
THR_LOCAL bool IsUnderPostmaster = false;
|
|
|
|
volatile ThreadId PostmasterPid = 0;
|
|
bool IsPostmasterEnvironment = false;
|
|
bool open_join_children = true;
|
|
bool will_shutdown = false;
|
|
|
|
/* hard-wired binary version number */
|
|
const uint32 GRAND_VERSION_NUM = 92604;
|
|
|
|
const uint32 PREDPUSH_SAME_LEVEL_VERSION_NUM = 92522;
|
|
const uint32 UPSERT_WHERE_VERSION_NUM = 92514;
|
|
const uint32 FUNC_PARAM_COL_VERSION_NUM = 92500;
|
|
const uint32 SUBPARTITION_VERSION_NUM = 92436;
|
|
const uint32 DEFAULT_MAT_CTE_NUM = 92429;
|
|
const uint32 MATERIALIZED_CTE_NUM = 92424;
|
|
const uint32 HINT_ENHANCEMENT_VERSION_NUM = 92359;
|
|
const uint32 MATVIEW_VERSION_NUM = 92213;
|
|
const uint32 PARTIALPUSH_VERSION_NUM = 92087;
|
|
const uint32 SUBLINKPULLUP_VERSION_NUM = 92094;
|
|
const uint32 PREDPUSH_VERSION_NUM = 92096;
|
|
const uint32 GTMLITE_VERSION_NUM = 92110;
|
|
const uint32 EXECUTE_DIRECT_ON_MULTI_VERSION_NUM = 92140;
|
|
const uint32 FIX_PBE_CUSTOME_PLAN_BUG_VERSION_NUM = 92148;
|
|
const uint32 FUNCNAME_PUSHDOWN_VERSION_NUM = 92202;
|
|
const uint32 STP_SUPPORT_COMMIT_ROLLBACK = 92219;
|
|
const uint32 SUPPORT_GPI_VERSION_NUM = 92257;
|
|
const uint32 PRIVS_VERSION_NUM = 92259;
|
|
const uint32 EXTRA_SLOT_VERSION_NUM = 92260;
|
|
const uint32 RANGE_LIST_DISTRIBUTION_VERSION_NUM = 92272;
|
|
const uint32 BACKUP_SLOT_VERSION_NUM = 92282;
|
|
const uint32 ML_OPT_MODEL_VERSION_NUM = 92284;
|
|
const uint32 FIX_SQL_ADD_RELATION_REF_COUNT = 92291;
|
|
const uint32 INPLACE_UPDATE_VERSION_NUM = 92350;
|
|
const uint32 GENERATED_COL_VERSION_NUM = 92355;
|
|
const uint32 SEGMENT_PAGE_VERSION_NUM = 92360;
|
|
const uint32 COMMENT_PROC_VERSION_NUM = 92372;
|
|
const uint32 CLIENT_ENCRYPTION_PROC_VERSION_NUM = 92383;
|
|
const uint32 DECODE_ABORT_VERSION_NUM = 92386;
|
|
const uint32 COPY_TRANSFORM_VERSION_NUM = 92394;
|
|
const uint32 COMMENT_PCT_TYPE_VERSION_NUM = 92396;
|
|
const uint32 TDE_VERSION_NUM = 92407;
|
|
const uint32 SWCB_VERSION_NUM = 92427;
|
|
const uint32 COMMENT_ROWTYPE_TABLEOF_VERSION_NUM = 92513;
|
|
const uint32 PRIVS_DIRECTORY_VERSION_NUM = 92460;
|
|
const uint32 COMMENT_RECORD_PARAM_VERSION_NUM = 92484;
|
|
const uint32 SCAN_BATCH_MODE_VERSION_NUM = 92568;
|
|
const uint32 PUBLICATION_VERSION_NUM = 92580;
|
|
|
|
/* Version number of the guc parameter backend_version added in V500R001C20 */
|
|
const uint32 V5R1C20_BACKEND_VERSION_NUM = 92305;
|
|
/* Version number starting from V500R002C10 */
|
|
const uint32 V5R2C00_START_VERSION_NUM = 92350;
|
|
/* Version number of the guc parameter backend_version added in V500R002C10 */
|
|
const uint32 V5R2C00_BACKEND_VERSION_NUM = 92412;
|
|
|
|
const uint32 ANALYZER_HOOK_VERSION_NUM = 92592;
|
|
const uint32 SUPPORT_HASH_XLOG_VERSION_NUM = 92603;
|
|
|
|
/* This variable indicates wheather the instance is in progress of upgrade as a whole */
|
|
uint32 volatile WorkingGrandVersionNum = GRAND_VERSION_NUM;
|
|
|
|
const uint32 ENHANCED_TUPLE_LOCK_VERSION_NUM = 92583;
|
|
|
|
const uint32 TWOPHASE_FILE_VERSION = 92414;
|
|
const uint32 HASUID_VERSION_NUM = 92550;
|
|
const uint32 WAIT_N_TUPLE_LOCK_VERSION_NUM = 92573;
|
|
|
|
const uint32 PARALLEL_DECODE_VERSION_NUM = 92556;
|
|
|
|
const uint32 CREATE_INDEX_CONCURRENTLY_DIST_VERSION_NUM = 92569;
|
|
|
|
const uint32 SUPPORT_DATA_REPAIR = 92579;
|
|
|
|
bool InplaceUpgradePrecommit = false;
|
|
|
|
const uint32 DISASTER_READ_VERSION_NUM = 92592;
|
|
|
|
#ifdef PGXC
|
|
bool useLocalXid = false;
|
|
#endif
|
|
|
|
/*
|
|
* EarlyBindingTLSVariables
|
|
* Bind static variables to another static TLS variable's address.
|
|
*
|
|
* This is needed because of the inability of the compiler: compiler
|
|
* complains if you intialize a static TLS variable as another TLS
|
|
* variable's address. So we do it for compiler in the earilest stage
|
|
* of thread starting once.
|
|
*/
|
|
void EarlyBindingTLSVariables(void)
|
|
{
|
|
static THR_LOCAL bool fDone = false;
|
|
|
|
/* This shall be done only once per thread */
|
|
if (!fDone) {
|
|
/* Init number formatting cache */
|
|
Init_NUM_cache();
|
|
/* Init transaction state */
|
|
InitCurrentTransactionState();
|
|
}
|
|
|
|
fDone = true;
|
|
}
|