granicus.if.org Git - postgresql/blob - src/backend/utils/init/globals.c

   1 /*-------------------------------------------------------------------------
   2  *
   3  * globals.c
   4  *        global variable declarations
   5  *
   6  * Portions Copyright (c) 1996-2000, PostgreSQL, Inc
   7  * Portions Copyright (c) 1994, Regents of the University of California
   8  *
   9  *
  10  * IDENTIFICATION
  11  *        $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.48 2000/12/28 13:00:24 vadim Exp $
  12  *
  13  * NOTES
  14  *        Globals used all over the place should be declared here and not
  15  *        in other modules.
  16  *
  17  *-------------------------------------------------------------------------
  18  */
  19 #include <fcntl.h>
  20 #include <sys/file.h>
  21 #include <sys/types.h>
  22 #include <math.h>
  23 #include <unistd.h>
  24
  25 #include "postgres.h"
  26
  27 #include "catalog/catname.h"
  28 #include "catalog/indexing.h"
  29 #include "libpq/pqcomm.h"
  30 #include "miscadmin.h"
  31 #include "storage/backendid.h"
  32
  33 ProtocolVersion FrontendProtocol = PG_PROTOCOL_LATEST;
  34
  35 bool            Noversion = false;
  36 bool            Quiet = false;
  37 bool            QueryCancel = false;
  38
  39 int                     MyProcPid;
  40 struct Port *MyProcPort;
  41 long            MyCancelKey;
  42
  43 char       *DataDir = NULL;
  44
  45  /*
  46   * The PGDATA directory user says to use, or defaults to via environment
  47   * variable.  NULL if no option given and no environment variable set
  48   */
  49
  50 Relation        reldesc;                        /* current relation descriptor */
  51
  52 char            OutputFileName[MAXPGPATH] = "";
  53
  54 BackendId       MyBackendId;
  55
  56 char       *DatabaseName = NULL;
  57 char       *DatabasePath = NULL;
  58
  59 bool            MyDatabaseIdIsInitialized = false;
  60 Oid                     MyDatabaseId = InvalidOid;
  61 bool            TransactionInitWasProcessed = false;
  62
  63 bool            IsUnderPostmaster = false;
  64
  65 int                     DebugLvl = 0;
  66
  67 int                     DateStyle = USE_ISO_DATES;
  68 bool            EuroDates = false;
  69 bool            HasCTZSet = false;
  70 bool            CDayLight = false;
  71 int                     CTimeZone = 0;
  72 char            CTZName[MAXTZLEN + 1] = "";
  73
  74 char            DateFormat[20] = "%d-%m-%Y";            /* mjl: sizes! or better
  75                                                                                                  * malloc? XXX */
  76 char            FloatFormat[20] = "%f";
  77
  78 bool        enableFsync = true;
  79 bool            allowSystemTableMods = false;
  80 int                     SortMem = 512;
  81 int                     NBuffers = DEF_NBUFFERS;
  82
  83
  84 char       *IndexedCatalogNames[] = {
  85         AttributeRelationName,
  86         ProcedureRelationName,
  87         TypeRelationName,
  88         RelationRelationName,
  89         0
  90 };
  91
  92
  93 /*
  94  * ps status buffer
  95  */
  96 #ifndef linux
  97 char            Ps_status_buffer[1024];
  98
  99 #endif
 100
 101 /* ----------------
 102  * we just do a linear search now so there's no requirement that the list
 103  * be ordered.  The list is so small it shouldn't make much difference.
 104  * make sure the list is null-terminated
 105  *                              - jolly 8/19/95
 106  *
 107  * OLD COMMENT
 108  *              WARNING  WARNING  WARNING  WARNING      WARNING  WARNING
 109  *
 110  *              keep SharedSystemRelationNames[] in SORTED order!  A binary search
 111  *              is done on it in catalog.c!
 112  *
 113  *              XXX this is a serious hack which should be fixed -cim 1/26/90
 114  * ----------------
 115  */
 116 char       *SharedSystemRelationNames[] = {
 117         DatabaseRelationName,
 118         GroupRelationName,
 119         GroupNameIndex,
 120         GroupSysidIndex,
 121         LogRelationName,
 122         ShadowRelationName,
 123         VariableRelationName,
 124         0
 125 };
 126
 127 uint32  crc_table[] = {
 128 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
 129 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
 130 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
 131 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
 132 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
 133 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
 134 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
 135 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
 136 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
 137 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
 138 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
 139 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
 140 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
 141 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
 142 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
 143 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
 144 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
 145 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
 146 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
 147 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
 148 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
 149 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
 150 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
 151 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
 152 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
 153 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
 154 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
 155 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
 156 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
 157 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
 158 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
 159 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
 160 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
 161 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
 162 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
 163 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
 164 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
 165 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
 166 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
 167 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
 168 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
 169 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
 170 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
 171 };