262 lines
10 KiB
C++
262 lines
10 KiB
C++
/*-------------------------------------------------------------------------
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*
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* globals.c
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* global variable declarations
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*
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* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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*
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* IDENTIFICATION
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* src/backend/utils/init/globals.c
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*
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* NOTES
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* Globals used all over the place should be declared here and not
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* in other modules.
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*
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*-------------------------------------------------------------------------
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*/
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#include "postgres.h"
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#include "knl/knl_variable.h"
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#include "access/xact.h"
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#include "catalog/objectaccess.h"
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#include "libpq/pqcomm.h"
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#include "miscadmin.h"
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#include "storage/backendid.h"
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#include "utils/formatting.h"
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#include "utils/atomic.h"
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#include "replication/slot.h"
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THR_LOCAL ProtocolVersion FrontendProtocol = PG_PROTOCOL_LATEST;
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THR_LOCAL volatile bool InterruptPending = false;
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THR_LOCAL char my_exec_path[MAXPGPATH]; /* full path to my executable */
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/*
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* Hook on object accesses. This is intended as infrastructure for security
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* and logging plugins.
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*/
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THR_LOCAL object_access_hook_type object_access_hook = NULL;
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uint8 ce_cache_refresh_type = 0;
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/*
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* standalone backend). IsUnderPostmaster is true in postmaster child
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* processes. Note that "child process" includes all children, not only
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* regular backends. These should be set correctly as early as possible
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* in the execution of a process, so that error handling will do the right
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* things if an error should occur during process initialization.
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*
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* These are initialized for the bootstrap/standalone case.
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*/
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THR_LOCAL bool IsUnderPostmaster = false;
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volatile ThreadId PostmasterPid = 0;
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bool IsPostmasterEnvironment = false;
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bool open_join_children = true;
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bool will_shutdown = false;
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/********************************************
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* 1.HARD-WIRED BINARY VERSION NUMBER
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*
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* version num range detail for openGauss:
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* version | start at | release at | reserve to
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* --------+----------+------------+------------
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* 1.0.X | 00000 | 92072 | 92086
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* 1.1.X | 92087 | 92298 | 92298
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* 2.0.X | 92298 | 92298 | 92303
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* 2.1.X | 92304 | 92421 | 92423
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* 3.0.X | 92424 | 92605 | 92655
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* 3.1.X | - | - | -
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* 5.0.X | 92656 | 92848 | 92898
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* 6.0.X | 92899 | 92950 | 92999
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* NEXT | 93000 | ? | ?
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*
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********************************************/
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const uint32 GRAND_VERSION_NUM = 93006;
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/********************************************
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* 2.VERSION NUM FOR EACH FEATURE
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* Please write indescending order.
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********************************************/
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const uint32 CHARBYTE_SEMANTIC_VERSION_NUMBER = 93001;
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const uint32 FLUSH_LSN_FUN_VERSION_NUM = 92951;
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const uint32 PUBLICATION_DDL_AT_VERSION_NUM = 92949;
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const uint32 MINMAXEXPR_CMPTYPE_VERSION_NUM = 92948;
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const uint32 OBJECT_TYPE_VERSION_NUM = 93005;
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const uint32 PARTITION_NAME_VERSION_NUM = 92947;
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const uint32 AUDIT_SHA_VERSION_NUM = 92946;
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const uint32 NETTIME_TRACE_VERSION_NUM = 92945;
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const uint32 HBA_CONF_VERSION_NUM = 92944;
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const uint32 PARALLEL_ENABLE_VERSION_NUM = 92941;
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const uint32 NAN_INFINITE_TEST_EXPR = 92940;
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const uint32 STRAIGHT_JOIN_VERSION_NUMBER = 92939;
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const uint32 INSERT_INTO_SELECT_VERSION_NUM = 92938;
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const uint32 ROTATE_UNROTATE_VERSION_NUM = 92937;
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const uint32 PIPELINED_FUNCTION_VERSION_NUM = 92936;
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const uint32 DISABLE_CONSTRAINT_VERSION_NUM = 92931;
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const uint32 ADD_CLEAN_CASCADE_STANDBY_SLOT_MESSAGE_NUM = 92930;
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const uint32 FLUSH_LSN_VERSION_NUM = 92929;
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const uint32 PRIOR_EXPR_VERSION_NUM = 92928;
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const uint32 PUBLICATION_DDL_VERSION_NUM = 92921;
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const uint32 UPSERT_ALIAS_VERSION_NUM = 92920;
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const uint32 SUPPORT_GS_DEPENDENCY_VERSION_NUM = 92916;
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const uint32 SPQ_VERSION_NUM = 92915;
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const uint32 GENERICXLOG_VERSION_NUM = 92943;
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const uint32 PARTITION_ACCESS_EXCLUSIVE_LOCK_UPGRADE_VERSION = 92913;
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const uint32 PAGE_DIST_VERSION_NUM = 92912;
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const uint32 NODE_REFORM_INFO_VERSION_NUM = 92911;
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const uint32 GB18030_2022_VERSION_NUM = 92908;
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const uint32 PARAM_MARK_VERSION_NUM = 92907;
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const uint32 TIMESCALE_DB_VERSION_NUM = 92904;
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const uint32 MULTI_CHARSET_VERSION_NUM = 92903;
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const uint32 NBTREE_INSERT_OPTIMIZATION_VERSION_NUM = 92902;
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const uint32 NBTREE_DEDUPLICATION_VERSION_NUM = 92902;
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const uint32 SRF_FUSION_VERSION_NUM = 92847;
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const uint32 INDEX_HINT_VERSION_NUM = 92845;
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const uint32 INNER_UNIQUE_VERSION_NUM = 92845;
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const uint32 CREATE_TABLE_AS_VERSION_NUM = 92845;
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const uint32 EVENT_VERSION_NUM = 92844;
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const uint32 SLOW_SQL_VERSION_NUM = 92844;
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const uint32 CHARACTER_SET_VERSION_NUM = 92844;
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const uint32 SELECT_INTO_FILE_VERSION_NUM = 92844;
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const uint32 PARTITION_ENHANCE_VERSION_NUM = 92844;
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const uint32 CREATE_INDEX_IF_NOT_EXISTS_VERSION_NUM = 92843;
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const uint32 B_DUMP_TRIGGER_VERSION_NUM = 92843;
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const uint32 INSERT_RIGHT_REF_VERSION_NUM = 92842;
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const uint32 UNION_NULL_VERSION_NUM = 92841;
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const uint32 FDW_SUPPORT_JOIN_AGG_VERSION_NUM = 92839;
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const uint32 SUPPORT_VIEW_AUTO_UPDATABLE = 92838;
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const uint32 NEGETIVE_BOOL_VERSION_NUM = 92835;
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const uint32 SELECT_INTO_VAR_VERSION_NUM = 92834;
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const uint32 MAT_VIEW_RECURSIVE_VERSION_NUM = 92833;
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const uint32 DOLPHIN_ENABLE_DROP_NUM = 92830;
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const uint32 PG_AUTHID_PASSWORDEXT_VERSION_NUM = 92830;
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const uint32 SKIP_LOCKED_VERSION_NUM = 92829;
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const uint32 REPLACE_INTO_VERSION_NUM = 92828;
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const uint32 STANDBY_STMTHIST_VERSION_NUM = 92827;
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const uint32 PLAN_SELECT_VERSION_NUM = 92826;
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const uint32 MULTI_PARTITIONS_VERSION_NUM = 92825;
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const uint32 MULTI_MODIFY_VERSION_NUM = 92814;
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const uint32 CSN_TIME_BARRIER_VERSION = 92801;
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const uint32 SELECT_STMT_HAS_USERVAR = 92924;
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const uint32 SQL_PATCH_VERSION_NUM = 92675;
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const uint32 SWITCH_ROLE_VERSION_NUM = 92668;
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const uint32 ON_UPDATE_TIMESTAMP_VERSION_NUM = 92664;
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const uint32 LOGICAL_DECODE_FLATTEN_TOAST_VERSION_NUM = 92664;
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const uint32 COMMENT_SUPPORT_VERSION_NUM = 92662;
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const uint32 KEYWORD_IGNORE_COMPART_VERSION_NUM = 92659;
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const uint32 ADVANCE_CATALOG_XMIN_VERSION_NUM = 92659;
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const uint32 CREATE_FUNCTION_DEFINER_VERSION = 92658;
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const uint32 PUBLICATION_INITIAL_DATA_VERSION_NAME = 92657;
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const uint32 COMMENT_ROWTYPE_NEST_TABLEOF_VERSION_NUM = 92657;
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const uint32 SUBSCRIPTION_BINARY_VERSION_NUM = 92656;
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const uint32 INVALID_INVISIBLE_TUPLE_VERSION = 92605;
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const uint32 SUPPORT_HASH_XLOG_VERSION_NUM = 92603;
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const uint32 PITR_INIT_VERSION_NUM = 92599;
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const uint32 DISASTER_READ_VERSION_NUM = 92592;
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const uint32 ANALYZER_HOOK_VERSION_NUM = 92592;
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const uint32 ENHANCED_TUPLE_LOCK_VERSION_NUM = 92583;
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const uint32 PUBLICATION_VERSION_NUM = 92580;
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const uint32 SUPPORT_DATA_REPAIR = 92579;
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const uint32 WAIT_N_TUPLE_LOCK_VERSION_NUM = 92573;
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const uint32 CREATE_INDEX_CONCURRENTLY_DIST_VERSION_NUM = 92569;
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const uint32 SCAN_BATCH_MODE_VERSION_NUM = 92568;
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const uint32 PARALLEL_DECODE_VERSION_NUM = 92556;
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const uint32 HASUID_VERSION_NUM = 92550;
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const uint32 V5R2C00_ADVANCE_CATALOG_XMIN_VERSION_NUM = 92525;
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const uint32 PBESINGLEPARTITION_VERSION_NUM = 92523;
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const uint32 PREDPUSH_SAME_LEVEL_VERSION_NUM = 92522;
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const uint32 UPSERT_WHERE_VERSION_NUM = 92514;
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const uint32 COMMENT_ROWTYPE_TABLEOF_VERSION_NUM = 92513;
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const uint32 LARGE_SEQUENCE_VERSION_NUM = 92511;
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const uint32 FUNC_PARAM_COL_VERSION_NUM = 92500;
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const uint32 COMMENT_RECORD_PARAM_VERSION_NUM = 92484;
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const uint32 PRIVS_DIRECTORY_VERSION_NUM = 92460;
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const uint32 SUBPARTITION_VERSION_NUM = 92436;
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const uint32 DEFAULT_MAT_CTE_NUM = 92429;
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const uint32 SWCB_VERSION_NUM = 92427;
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const uint32 MATERIALIZED_CTE_NUM = 92424;
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const uint32 TWOPHASE_FILE_VERSION = 92414;
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const uint32 BACKEND_VERSION_INCLUDE_NUM = 92412;
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const uint32 TDE_VERSION_NUM = 92407;
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const uint32 RELMAP_4K_VERSION_NUM = 92403;
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const uint32 COMMENT_PCT_TYPE_VERSION_NUM = 92396;
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const uint32 COPY_TRANSFORM_VERSION_NUM = 92394;
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const uint32 DECODE_ABORT_VERSION_NUM = 92386;
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const uint32 CLIENT_ENCRYPTION_PROC_VERSION_NUM = 92383;
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const uint32 COMMENT_PROC_VERSION_NUM = 92372;
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const uint32 SEGMENT_PAGE_VERSION_NUM = 92360;
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const uint32 HINT_ENHANCEMENT_VERSION_NUM = 92359;
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const uint32 GENERATED_COL_VERSION_NUM = 92355;
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const uint32 INPLACE_UPDATE_VERSION_NUM = 92350;
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const uint32 BACKEND_VERSION_PRE_END_NUM = 92350;
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const uint32 BACKEND_VERSION_PRE_INCLUDE_NUM = 92305;
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const uint32 FIX_SQL_ADD_RELATION_REF_COUNT = 92291;
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const uint32 ML_OPT_MODEL_VERSION_NUM = 92284;
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const uint32 BACKUP_SLOT_VERSION_NUM = 92282;
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const uint32 RANGE_LIST_DISTRIBUTION_VERSION_NUM = 92272;
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const uint32 EXTRA_SLOT_VERSION_NUM = 92260;
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const uint32 PRIVS_VERSION_NUM = 92259;
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const uint32 SUPPORT_GPI_VERSION_NUM = 92257;
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const uint32 STP_SUPPORT_COMMIT_ROLLBACK = 92219;
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const uint32 MATVIEW_VERSION_NUM = 92213;
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const uint32 FUNCNAME_PUSHDOWN_VERSION_NUM = 92202;
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const uint32 FIX_PBE_CUSTOME_PLAN_BUG_VERSION_NUM = 92148;
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const uint32 EXECUTE_DIRECT_ON_MULTI_VERSION_NUM = 92140;
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const uint32 GTMLITE_VERSION_NUM = 92110;
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const uint32 PREDPUSH_VERSION_NUM = 92096;
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const uint32 SUBLINKPULLUP_VERSION_NUM = 92094;
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const uint32 PARTIALPUSH_VERSION_NUM = 92087;
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const uint32 CURSOR_EXPRESSION_VERSION_NUMBER = 92935;
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const uint32 FLOAT_VERSION_NUMBER = 92938;
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/* This variable indicates wheather the instance is in progress of upgrade as a whole */
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uint32 volatile WorkingGrandVersionNum = GRAND_VERSION_NUM;
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bool InplaceUpgradePrecommit = false;
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#ifdef PGXC
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bool useLocalXid = false;
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#endif
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/* allow to store tables in segment storage while initdb */
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bool EnableInitDBSegment = false;
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/*
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* EarlyBindingTLSVariables
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* Bind static variables to another static TLS variable's address.
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*
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* This is needed because of the inability of the compiler: compiler
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* complains if you intialize a static TLS variable as another TLS
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* variable's address. So we do it for compiler in the earilest stage
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* of thread starting once.
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*/
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void EarlyBindingTLSVariables(void)
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{
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static THR_LOCAL bool fDone = false;
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/* This shall be done only once per thread */
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if (!fDone) {
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/* Init number formatting cache */
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Init_NUM_cache();
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/* Init transaction state */
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InitCurrentTransactionState();
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}
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fDone = true;
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}
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