src/include/tcop/deparse_utility.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * deparse_utility.h
   4  *
   5  * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
   6  * Portions Copyright (c) 1994, Regents of the University of California
   7  *
   8  * src/include/tcop/deparse_utility.h
   9  *
  10  *-------------------------------------------------------------------------
  11  */
  12 #ifndef DEPARSE_UTILITY_H
  13 #define DEPARSE_UTILITY_H
  14
  15 #include "access/attnum.h"
  16 #include "catalog/objectaddress.h"
  17 #include "nodes/nodes.h"
  18 #include "utils/aclchk_internal.h"
  19
  20
  21 /*
  22  * Support for keeping track of collected commands.
  23  */
  24 typedef enum CollectedCommandType
  25 {
  26         SCT_Simple,
  27         SCT_AlterTable,
  28         SCT_Grant,
  29         SCT_AlterOpFamily,
  30         SCT_AlterDefaultPrivileges,
  31         SCT_CreateOpClass,
  32         SCT_AlterTSConfig
  33 } CollectedCommandType;
  34
  35 /*
  36  * For ALTER TABLE commands, we keep a list of the subcommands therein.
  37  */
  38 typedef struct CollectedATSubcmd
  39 {
  40         ObjectAddress address;          /* affected column, constraint, index, ... */
  41         Node       *parsetree;
  42 } CollectedATSubcmd;
  43
  44 typedef struct CollectedCommand
  45 {
  46         CollectedCommandType type;
  47
  48         bool            in_extension;
  49         Node       *parsetree;
  50
  51         union
  52         {
  53                 /* most commands */
  54                 struct
  55                 {
  56                         ObjectAddress address;
  57                         ObjectAddress secondaryObject;
  58                 }                       simple;
  59
  60                 /* ALTER TABLE, and internal uses thereof */
  61                 struct
  62                 {
  63                         Oid                     objectId;
  64                         Oid                     classId;
  65                         List       *subcmds;
  66                 }                       alterTable;
  67
  68                 /* GRANT / REVOKE */
  69                 struct
  70                 {
  71                         InternalGrant *istmt;
  72                 }                       grant;
  73
  74                 /* ALTER OPERATOR FAMILY */
  75                 struct
  76                 {
  77                         ObjectAddress address;
  78                         List       *operators;
  79                         List       *procedures;
  80                 }                       opfam;
  81
  82                 /* CREATE OPERATOR CLASS */
  83                 struct
  84                 {
  85                         ObjectAddress address;
  86                         List       *operators;
  87                         List       *procedures;
  88                 }                       createopc;
  89
  90                 /* ALTER TEXT SEARCH CONFIGURATION ADD/ALTER/DROP MAPPING */
  91                 struct
  92                 {
  93                         ObjectAddress address;
  94                         Oid                *dictIds;
  95                         int                     ndicts;
  96                 }                       atscfg;
  97
  98                 /* ALTER DEFAULT PRIVILEGES */
  99                 struct
 100                 {
 101                         ObjectType      objtype;
 102                 }                       defprivs;
 103         }                       d;
 104
 105         struct CollectedCommand *parent;        /* when nested */
 106 } CollectedCommand;
 107
 108 #endif                                                  /* DEPARSE_UTILITY_H */