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utility.h File Reference
#include "tcop/cmdtag.h"
#include "tcop/tcopprot.h"
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Data Structures

struct  AlterTableUtilityContext
 

Macros

#define COMMAND_OK_IN_READ_ONLY_TXN   0x0001
 
#define COMMAND_OK_IN_PARALLEL_MODE   0x0002
 
#define COMMAND_OK_IN_RECOVERY   0x0004
 
#define COMMAND_IS_STRICTLY_READ_ONLY
 
#define COMMAND_IS_NOT_READ_ONLY   0
 

Typedefs

typedef struct AlterTableUtilityContext AlterTableUtilityContext
 
typedef void(* ProcessUtility_hook_type) (PlannedStmt *pstmt, const char *queryString, bool readOnlyTree, ProcessUtilityContext context, ParamListInfo params, QueryEnvironment *queryEnv, DestReceiver *dest, QueryCompletion *qc)
 

Enumerations

enum  ProcessUtilityContext { PROCESS_UTILITY_TOPLEVEL , PROCESS_UTILITY_QUERY , PROCESS_UTILITY_QUERY_NONATOMIC , PROCESS_UTILITY_SUBCOMMAND }
 

Functions

void ProcessUtility (PlannedStmt *pstmt, const char *queryString, bool readOnlyTree, ProcessUtilityContext context, ParamListInfo params, QueryEnvironment *queryEnv, DestReceiver *dest, QueryCompletion *qc)
 
void standard_ProcessUtility (PlannedStmt *pstmt, const char *queryString, bool readOnlyTree, ProcessUtilityContext context, ParamListInfo params, QueryEnvironment *queryEnv, DestReceiver *dest, QueryCompletion *qc)
 
void ProcessUtilityForAlterTable (Node *stmt, AlterTableUtilityContext *context)
 
bool UtilityReturnsTuples (Node *parsetree)
 
TupleDesc UtilityTupleDescriptor (Node *parsetree)
 
Query * UtilityContainsQuery (Node *parsetree)
 
CommandTag CreateCommandTag (Node *parsetree)
 
static const char * CreateCommandName (Node *parsetree)
 
LogStmtLevel GetCommandLogLevel (Node *parsetree)
 
bool CommandIsReadOnly (PlannedStmt *pstmt)
 

Variables

PGDLLIMPORT ProcessUtility_hook_type ProcessUtility_hook
 

Macro Definition Documentation

◆ COMMAND_IS_NOT_READ_ONLY

#define COMMAND_IS_NOT_READ_ONLY   0

Definition at line 68 of file utility.h.

◆ COMMAND_IS_STRICTLY_READ_ONLY

#define COMMAND_IS_STRICTLY_READ_ONLY
Value:
(COMMAND_OK_IN_READ_ONLY_TXN | COMMAND_OK_IN_RECOVERY | \
COMMAND_OK_IN_PARALLEL_MODE)
COMMAND_OK_IN_RECOVERY
#define COMMAND_OK_IN_RECOVERY
Definition: utility.h:58
COMMAND_OK_IN_READ_ONLY_TXN
#define COMMAND_OK_IN_READ_ONLY_TXN
Definition: utility.h:56

Definition at line 65 of file utility.h.

◆ COMMAND_OK_IN_PARALLEL_MODE

#define COMMAND_OK_IN_PARALLEL_MODE   0x0002

Definition at line 57 of file utility.h.

◆ COMMAND_OK_IN_READ_ONLY_TXN

#define COMMAND_OK_IN_READ_ONLY_TXN   0x0001

Definition at line 56 of file utility.h.

◆ COMMAND_OK_IN_RECOVERY

#define COMMAND_OK_IN_RECOVERY   0x0004

Definition at line 58 of file utility.h.

Typedef Documentation

◆ AlterTableUtilityContext

typedef struct AlterTableUtilityContext AlterTableUtilityContext

◆ ProcessUtility_hook_type

typedef void(* ProcessUtility_hook_type) (PlannedStmt *pstmt, const char *queryString, bool readOnlyTree, ProcessUtilityContext context, ParamListInfo params, QueryEnvironment *queryEnv, DestReceiver *dest, QueryCompletion *qc)

Definition at line 71 of file utility.h.

Enumeration Type Documentation

◆ ProcessUtilityContext

enum ProcessUtilityContext
Enumerator
PROCESS_UTILITY_TOPLEVEL 
PROCESS_UTILITY_QUERY 
PROCESS_UTILITY_QUERY_NONATOMIC 
PROCESS_UTILITY_SUBCOMMAND 

Definition at line 20 of file utility.h.

21 {
22  PROCESS_UTILITY_TOPLEVEL, /* toplevel interactive command */
23  PROCESS_UTILITY_QUERY, /* a complete query, but not toplevel */
24  PROCESS_UTILITY_QUERY_NONATOMIC, /* a complete query, nonatomic
25  * execution context */
26  PROCESS_UTILITY_SUBCOMMAND /* a portion of a query */
27 } ProcessUtilityContext;
ProcessUtilityContext
ProcessUtilityContext
Definition: utility.h:21
PROCESS_UTILITY_SUBCOMMAND
@ PROCESS_UTILITY_SUBCOMMAND
Definition: utility.h:26
PROCESS_UTILITY_TOPLEVEL
@ PROCESS_UTILITY_TOPLEVEL
Definition: utility.h:22
PROCESS_UTILITY_QUERY_NONATOMIC
@ PROCESS_UTILITY_QUERY_NONATOMIC
Definition: utility.h:24
PROCESS_UTILITY_QUERY
@ PROCESS_UTILITY_QUERY
Definition: utility.h:23

Function Documentation

◆ CommandIsReadOnly()

bool CommandIsReadOnly ( PlannedStmt *  pstmt)

Definition at line 101 of file utility.c.

102 {
103  Assert(IsA(pstmt, PlannedStmt));
104  switch (pstmt->commandType)
105  {
106  case CMD_SELECT:
107  if (pstmt->rowMarks != NIL)
108  return false; /* SELECT FOR [KEY] UPDATE/SHARE */
109  else if (pstmt->hasModifyingCTE)
110  return false; /* data-modifying CTE */
111  else
112  return true;
113  case CMD_UPDATE:
114  case CMD_INSERT:
115  case CMD_DELETE:
116  case CMD_MERGE:
117  return false;
118  case CMD_UTILITY:
119  /* For now, treat all utility commands as read/write */
120  return false;
121  default:
122  elog(WARNING, "unrecognized commandType: %d",
123  (int) pstmt->commandType);
124  break;
125  }
126  return false;
127 }
WARNING
#define WARNING
Definition: elog.h:36
Assert
Assert(fmt[strlen(fmt) - 1] !='\n')
IsA
#define IsA(nodeptr, _type_)
Definition: nodes.h:179
CMD_MERGE
@ CMD_MERGE
Definition: nodes.h:280
CMD_UTILITY
@ CMD_UTILITY
Definition: nodes.h:281
CMD_INSERT
@ CMD_INSERT
Definition: nodes.h:278
CMD_DELETE
@ CMD_DELETE
Definition: nodes.h:279
CMD_UPDATE
@ CMD_UPDATE
Definition: nodes.h:277
CMD_SELECT
@ CMD_SELECT
Definition: nodes.h:276
NIL
#define NIL
Definition: pg_list.h:68
PlannedStmt::hasModifyingCTE
bool hasModifyingCTE
Definition: plannodes.h:59
PlannedStmt::rowMarks
List * rowMarks
Definition: plannodes.h:88
PlannedStmt::commandType
CmdType commandType
Definition: plannodes.h:53

References Assert(), CMD_DELETE, CMD_INSERT, CMD_MERGE, CMD_SELECT, CMD_UPDATE, CMD_UTILITY, PlannedStmt::commandType, elog(), PlannedStmt::hasModifyingCTE, IsA, NIL, PlannedStmt::rowMarks, and WARNING.

Referenced by _SPI_execute_plan(), init_execution_state(), and SPI_cursor_open_internal().

◆ CreateCommandName()

static const char* CreateCommandName ( Node *  parsetree)
inlinestatic

Definition at line 103 of file utility.h.

104 {
105  return GetCommandTagName(CreateCommandTag(parsetree));
106 }
GetCommandTagName
const char * GetCommandTagName(CommandTag commandTag)
Definition: cmdtag.c:48
CreateCommandTag
CommandTag CreateCommandTag(Node *parsetree)
Definition: utility.c:2363

References CreateCommandTag(), and GetCommandTagName().

Referenced by _SPI_execute_plan(), ExecCheckXactReadOnly(), get_command_tag(), init_execution_state(), pg_event_trigger_ddl_commands(), and SPI_cursor_open_internal().

◆ CreateCommandTag()

CommandTag CreateCommandTag ( Node *  parsetree)

Definition at line 2363 of file utility.c.

2364 {
2365  CommandTag tag;
2366 
2367  switch (nodeTag(parsetree))
2368  {
2369  /* recurse if we're given a RawStmt */
2370  case T_RawStmt:
2371  tag = CreateCommandTag(((RawStmt *) parsetree)->stmt);
2372  break;
2373 
2374  /* raw plannable queries */
2375  case T_InsertStmt:
2376  tag = CMDTAG_INSERT;
2377  break;
2378 
2379  case T_DeleteStmt:
2380  tag = CMDTAG_DELETE;
2381  break;
2382 
2383  case T_UpdateStmt:
2384  tag = CMDTAG_UPDATE;
2385  break;
2386 
2387  case T_MergeStmt:
2388  tag = CMDTAG_MERGE;
2389  break;
2390 
2391  case T_SelectStmt:
2392  tag = CMDTAG_SELECT;
2393  break;
2394 
2395  case T_PLAssignStmt:
2396  tag = CMDTAG_SELECT;
2397  break;
2398 
2399  /* utility statements --- same whether raw or cooked */
2400  case T_TransactionStmt:
2401  {
2402  TransactionStmt *stmt = (TransactionStmt *) parsetree;
2403 
2404  switch (stmt->kind)
2405  {
2406  case TRANS_STMT_BEGIN:
2407  tag = CMDTAG_BEGIN;
2408  break;
2409 
2410  case TRANS_STMT_START:
2411  tag = CMDTAG_START_TRANSACTION;
2412  break;
2413 
2414  case TRANS_STMT_COMMIT:
2415  tag = CMDTAG_COMMIT;
2416  break;
2417 
2418  case TRANS_STMT_ROLLBACK:
2419  case TRANS_STMT_ROLLBACK_TO:
2420  tag = CMDTAG_ROLLBACK;
2421  break;
2422 
2423  case TRANS_STMT_SAVEPOINT:
2424  tag = CMDTAG_SAVEPOINT;
2425  break;
2426 
2427  case TRANS_STMT_RELEASE:
2428  tag = CMDTAG_RELEASE;
2429  break;
2430 
2431  case TRANS_STMT_PREPARE:
2432  tag = CMDTAG_PREPARE_TRANSACTION;
2433  break;
2434 
2435  case TRANS_STMT_COMMIT_PREPARED:
2436  tag = CMDTAG_COMMIT_PREPARED;
2437  break;
2438 
2439  case TRANS_STMT_ROLLBACK_PREPARED:
2440  tag = CMDTAG_ROLLBACK_PREPARED;
2441  break;
2442 
2443  default:
2444  tag = CMDTAG_UNKNOWN;
2445  break;
2446  }
2447  }
2448  break;
2449 
2450  case T_DeclareCursorStmt:
2451  tag = CMDTAG_DECLARE_CURSOR;
2452  break;
2453 
2454  case T_ClosePortalStmt:
2455  {
2456  ClosePortalStmt *stmt = (ClosePortalStmt *) parsetree;
2457 
2458  if (stmt->portalname == NULL)
2459  tag = CMDTAG_CLOSE_CURSOR_ALL;
2460  else
2461  tag = CMDTAG_CLOSE_CURSOR;
2462  }
2463  break;
2464 
2465  case T_FetchStmt:
2466  {
2467  FetchStmt *stmt = (FetchStmt *) parsetree;
2468 
2469  tag = (stmt->ismove) ? CMDTAG_MOVE : CMDTAG_FETCH;
2470  }
2471  break;
2472 
2473  case T_CreateDomainStmt:
2474  tag = CMDTAG_CREATE_DOMAIN;
2475  break;
2476 
2477  case T_CreateSchemaStmt:
2478  tag = CMDTAG_CREATE_SCHEMA;
2479  break;
2480 
2481  case T_CreateStmt:
2482  tag = CMDTAG_CREATE_TABLE;
2483  break;
2484 
2485  case T_CreateTableSpaceStmt:
2486  tag = CMDTAG_CREATE_TABLESPACE;
2487  break;
2488 
2489  case T_DropTableSpaceStmt:
2490  tag = CMDTAG_DROP_TABLESPACE;
2491  break;
2492 
2493  case T_AlterTableSpaceOptionsStmt:
2494  tag = CMDTAG_ALTER_TABLESPACE;
2495  break;
2496 
2497  case T_CreateExtensionStmt:
2498  tag = CMDTAG_CREATE_EXTENSION;
2499  break;
2500 
2501  case T_AlterExtensionStmt:
2502  tag = CMDTAG_ALTER_EXTENSION;
2503  break;
2504 
2505  case T_AlterExtensionContentsStmt:
2506  tag = CMDTAG_ALTER_EXTENSION;
2507  break;
2508 
2509  case T_CreateFdwStmt:
2510  tag = CMDTAG_CREATE_FOREIGN_DATA_WRAPPER;
2511  break;
2512 
2513  case T_AlterFdwStmt:
2514  tag = CMDTAG_ALTER_FOREIGN_DATA_WRAPPER;
2515  break;
2516 
2517  case T_CreateForeignServerStmt:
2518  tag = CMDTAG_CREATE_SERVER;
2519  break;
2520 
2521  case T_AlterForeignServerStmt:
2522  tag = CMDTAG_ALTER_SERVER;
2523  break;
2524 
2525  case T_CreateUserMappingStmt:
2526  tag = CMDTAG_CREATE_USER_MAPPING;
2527  break;
2528 
2529  case T_AlterUserMappingStmt:
2530  tag = CMDTAG_ALTER_USER_MAPPING;
2531  break;
2532 
2533  case T_DropUserMappingStmt:
2534  tag = CMDTAG_DROP_USER_MAPPING;
2535  break;
2536 
2537  case T_CreateForeignTableStmt:
2538  tag = CMDTAG_CREATE_FOREIGN_TABLE;
2539  break;
2540 
2541  case T_ImportForeignSchemaStmt:
2542  tag = CMDTAG_IMPORT_FOREIGN_SCHEMA;
2543  break;
2544 
2545  case T_DropStmt:
2546  switch (((DropStmt *) parsetree)->removeType)
2547  {
2548  case OBJECT_TABLE:
2549  tag = CMDTAG_DROP_TABLE;
2550  break;
2551  case OBJECT_SEQUENCE:
2552  tag = CMDTAG_DROP_SEQUENCE;
2553  break;
2554  case OBJECT_VIEW:
2555  tag = CMDTAG_DROP_VIEW;
2556  break;
2557  case OBJECT_MATVIEW:
2558  tag = CMDTAG_DROP_MATERIALIZED_VIEW;
2559  break;
2560  case OBJECT_INDEX:
2561  tag = CMDTAG_DROP_INDEX;
2562  break;
2563  case OBJECT_TYPE:
2564  tag = CMDTAG_DROP_TYPE;
2565  break;
2566  case OBJECT_DOMAIN:
2567  tag = CMDTAG_DROP_DOMAIN;
2568  break;
2569  case OBJECT_COLLATION:
2570  tag = CMDTAG_DROP_COLLATION;
2571  break;
2572  case OBJECT_CONVERSION:
2573  tag = CMDTAG_DROP_CONVERSION;
2574  break;
2575  case OBJECT_SCHEMA:
2576  tag = CMDTAG_DROP_SCHEMA;
2577  break;
2578  case OBJECT_TSPARSER:
2579  tag = CMDTAG_DROP_TEXT_SEARCH_PARSER;
2580  break;
2581  case OBJECT_TSDICTIONARY:
2582  tag = CMDTAG_DROP_TEXT_SEARCH_DICTIONARY;
2583  break;
2584  case OBJECT_TSTEMPLATE:
2585  tag = CMDTAG_DROP_TEXT_SEARCH_TEMPLATE;
2586  break;
2587  case OBJECT_TSCONFIGURATION:
2588  tag = CMDTAG_DROP_TEXT_SEARCH_CONFIGURATION;
2589  break;
2590  case OBJECT_FOREIGN_TABLE:
2591  tag = CMDTAG_DROP_FOREIGN_TABLE;
2592  break;
2593  case OBJECT_EXTENSION:
2594  tag = CMDTAG_DROP_EXTENSION;
2595  break;
2596  case OBJECT_FUNCTION:
2597  tag = CMDTAG_DROP_FUNCTION;
2598  break;
2599  case OBJECT_PROCEDURE:
2600  tag = CMDTAG_DROP_PROCEDURE;
2601  break;
2602  case OBJECT_ROUTINE:
2603  tag = CMDTAG_DROP_ROUTINE;
2604  break;
2605  case OBJECT_AGGREGATE:
2606  tag = CMDTAG_DROP_AGGREGATE;
2607  break;
2608  case OBJECT_OPERATOR:
2609  tag = CMDTAG_DROP_OPERATOR;
2610  break;
2611  case OBJECT_LANGUAGE:
2612  tag = CMDTAG_DROP_LANGUAGE;
2613  break;
2614  case OBJECT_CAST:
2615  tag = CMDTAG_DROP_CAST;
2616  break;
2617  case OBJECT_TRIGGER:
2618  tag = CMDTAG_DROP_TRIGGER;
2619  break;
2620  case OBJECT_EVENT_TRIGGER:
2621  tag = CMDTAG_DROP_EVENT_TRIGGER;
2622  break;
2623  case OBJECT_RULE:
2624  tag = CMDTAG_DROP_RULE;
2625  break;
2626  case OBJECT_FDW:
2627  tag = CMDTAG_DROP_FOREIGN_DATA_WRAPPER;
2628  break;
2629  case OBJECT_FOREIGN_SERVER:
2630  tag = CMDTAG_DROP_SERVER;
2631  break;
2632  case OBJECT_OPCLASS:
2633  tag = CMDTAG_DROP_OPERATOR_CLASS;
2634  break;
2635  case OBJECT_OPFAMILY:
2636  tag = CMDTAG_DROP_OPERATOR_FAMILY;
2637  break;
2638  case OBJECT_POLICY:
2639  tag = CMDTAG_DROP_POLICY;
2640  break;
2641  case OBJECT_TRANSFORM:
2642  tag = CMDTAG_DROP_TRANSFORM;
2643  break;
2644  case OBJECT_ACCESS_METHOD:
2645  tag = CMDTAG_DROP_ACCESS_METHOD;
2646  break;
2647  case OBJECT_PUBLICATION:
2648  tag = CMDTAG_DROP_PUBLICATION;
2649  break;
2650  case OBJECT_STATISTIC_EXT:
2651  tag = CMDTAG_DROP_STATISTICS;
2652  break;
2653  default:
2654  tag = CMDTAG_UNKNOWN;
2655  }
2656  break;
2657 
2658  case T_TruncateStmt:
2659  tag = CMDTAG_TRUNCATE_TABLE;
2660  break;
2661 
2662  case T_CommentStmt:
2663  tag = CMDTAG_COMMENT;
2664  break;
2665 
2666  case T_SecLabelStmt:
2667  tag = CMDTAG_SECURITY_LABEL;
2668  break;
2669 
2670  case T_CopyStmt:
2671  tag = CMDTAG_COPY;
2672  break;
2673 
2674  case T_RenameStmt:
2675 
2676  /*
2677  * When the column is renamed, the command tag is created from its
2678  * relation type
2679  */
2680  tag = AlterObjectTypeCommandTag(((RenameStmt *) parsetree)->renameType == OBJECT_COLUMN ?
2681  ((RenameStmt *) parsetree)->relationType :
2682  ((RenameStmt *) parsetree)->renameType);
2683  break;
2684 
2685  case T_AlterObjectDependsStmt:
2686  tag = AlterObjectTypeCommandTag(((AlterObjectDependsStmt *) parsetree)->objectType);
2687  break;
2688 
2689  case T_AlterObjectSchemaStmt:
2690  tag = AlterObjectTypeCommandTag(((AlterObjectSchemaStmt *) parsetree)->objectType);
2691  break;
2692 
2693  case T_AlterOwnerStmt:
2694  tag = AlterObjectTypeCommandTag(((AlterOwnerStmt *) parsetree)->objectType);
2695  break;
2696 
2697  case T_AlterTableMoveAllStmt:
2698  tag = AlterObjectTypeCommandTag(((AlterTableMoveAllStmt *) parsetree)->objtype);
2699  break;
2700 
2701  case T_AlterTableStmt:
2702  tag = AlterObjectTypeCommandTag(((AlterTableStmt *) parsetree)->objtype);
2703  break;
2704 
2705  case T_AlterDomainStmt:
2706  tag = CMDTAG_ALTER_DOMAIN;
2707  break;
2708 
2709  case T_AlterFunctionStmt:
2710  switch (((AlterFunctionStmt *) parsetree)->objtype)
2711  {
2712  case OBJECT_FUNCTION:
2713  tag = CMDTAG_ALTER_FUNCTION;
2714  break;
2715  case OBJECT_PROCEDURE:
2716  tag = CMDTAG_ALTER_PROCEDURE;
2717  break;
2718  case OBJECT_ROUTINE:
2719  tag = CMDTAG_ALTER_ROUTINE;
2720  break;
2721  default:
2722  tag = CMDTAG_UNKNOWN;
2723  }
2724  break;
2725 
2726  case T_GrantStmt:
2727  {
2728  GrantStmt *stmt = (GrantStmt *) parsetree;
2729 
2730  tag = (stmt->is_grant) ? CMDTAG_GRANT : CMDTAG_REVOKE;
2731  }
2732  break;
2733 
2734  case T_GrantRoleStmt:
2735  {
2736  GrantRoleStmt *stmt = (GrantRoleStmt *) parsetree;
2737 
2738  tag = (stmt->is_grant) ? CMDTAG_GRANT_ROLE : CMDTAG_REVOKE_ROLE;
2739  }
2740  break;
2741 
2742  case T_AlterDefaultPrivilegesStmt:
2743  tag = CMDTAG_ALTER_DEFAULT_PRIVILEGES;
2744  break;
2745 
2746  case T_DefineStmt:
2747  switch (((DefineStmt *) parsetree)->kind)
2748  {
2749  case OBJECT_AGGREGATE:
2750  tag = CMDTAG_CREATE_AGGREGATE;
2751  break;
2752  case OBJECT_OPERATOR:
2753  tag = CMDTAG_CREATE_OPERATOR;
2754  break;
2755  case OBJECT_TYPE:
2756  tag = CMDTAG_CREATE_TYPE;
2757  break;
2758  case OBJECT_TSPARSER:
2759  tag = CMDTAG_CREATE_TEXT_SEARCH_PARSER;
2760  break;
2761  case OBJECT_TSDICTIONARY:
2762  tag = CMDTAG_CREATE_TEXT_SEARCH_DICTIONARY;
2763  break;
2764  case OBJECT_TSTEMPLATE:
2765  tag = CMDTAG_CREATE_TEXT_SEARCH_TEMPLATE;
2766  break;
2767  case OBJECT_TSCONFIGURATION:
2768  tag = CMDTAG_CREATE_TEXT_SEARCH_CONFIGURATION;
2769  break;
2770  case OBJECT_COLLATION:
2771  tag = CMDTAG_CREATE_COLLATION;
2772  break;
2773  case OBJECT_ACCESS_METHOD:
2774  tag = CMDTAG_CREATE_ACCESS_METHOD;
2775  break;
2776  default:
2777  tag = CMDTAG_UNKNOWN;
2778  }
2779  break;
2780 
2781  case T_CompositeTypeStmt:
2782  tag = CMDTAG_CREATE_TYPE;
2783  break;
2784 
2785  case T_CreateEnumStmt:
2786  tag = CMDTAG_CREATE_TYPE;
2787  break;
2788 
2789  case T_CreateRangeStmt:
2790  tag = CMDTAG_CREATE_TYPE;
2791  break;
2792 
2793  case T_AlterEnumStmt:
2794  tag = CMDTAG_ALTER_TYPE;
2795  break;
2796 
2797  case T_ViewStmt:
2798  tag = CMDTAG_CREATE_VIEW;
2799  break;
2800 
2801  case T_CreateFunctionStmt:
2802  if (((CreateFunctionStmt *) parsetree)->is_procedure)
2803  tag = CMDTAG_CREATE_PROCEDURE;
2804  else
2805  tag = CMDTAG_CREATE_FUNCTION;
2806  break;
2807 
2808  case T_IndexStmt:
2809  tag = CMDTAG_CREATE_INDEX;
2810  break;
2811 
2812  case T_RuleStmt:
2813  tag = CMDTAG_CREATE_RULE;
2814  break;
2815 
2816  case T_CreateSeqStmt:
2817  tag = CMDTAG_CREATE_SEQUENCE;
2818  break;
2819 
2820  case T_AlterSeqStmt:
2821  tag = CMDTAG_ALTER_SEQUENCE;
2822  break;
2823 
2824  case T_DoStmt:
2825  tag = CMDTAG_DO;
2826  break;
2827 
2828  case T_CreatedbStmt:
2829  tag = CMDTAG_CREATE_DATABASE;
2830  break;
2831 
2832  case T_AlterDatabaseStmt:
2833  case T_AlterDatabaseRefreshCollStmt:
2834  case T_AlterDatabaseSetStmt:
2835  tag = CMDTAG_ALTER_DATABASE;
2836  break;
2837 
2838  case T_DropdbStmt:
2839  tag = CMDTAG_DROP_DATABASE;
2840  break;
2841 
2842  case T_NotifyStmt:
2843  tag = CMDTAG_NOTIFY;
2844  break;
2845 
2846  case T_ListenStmt:
2847  tag = CMDTAG_LISTEN;
2848  break;
2849 
2850  case T_UnlistenStmt:
2851  tag = CMDTAG_UNLISTEN;
2852  break;
2853 
2854  case T_LoadStmt:
2855  tag = CMDTAG_LOAD;
2856  break;
2857 
2858  case T_CallStmt:
2859  tag = CMDTAG_CALL;
2860  break;
2861 
2862  case T_ClusterStmt:
2863  tag = CMDTAG_CLUSTER;
2864  break;
2865 
2866  case T_VacuumStmt:
2867  if (((VacuumStmt *) parsetree)->is_vacuumcmd)
2868  tag = CMDTAG_VACUUM;
2869  else
2870  tag = CMDTAG_ANALYZE;
2871  break;
2872 
2873  case T_ExplainStmt:
2874  tag = CMDTAG_EXPLAIN;
2875  break;
2876 
2877  case T_CreateTableAsStmt:
2878  switch (((CreateTableAsStmt *) parsetree)->objtype)
2879  {
2880  case OBJECT_TABLE:
2881  if (((CreateTableAsStmt *) parsetree)->is_select_into)
2882  tag = CMDTAG_SELECT_INTO;
2883  else
2884  tag = CMDTAG_CREATE_TABLE_AS;
2885  break;
2886  case OBJECT_MATVIEW:
2887  tag = CMDTAG_CREATE_MATERIALIZED_VIEW;
2888  break;
2889  default:
2890  tag = CMDTAG_UNKNOWN;
2891  }
2892  break;
2893 
2894  case T_RefreshMatViewStmt:
2895  tag = CMDTAG_REFRESH_MATERIALIZED_VIEW;
2896  break;
2897 
2898  case T_AlterSystemStmt:
2899  tag = CMDTAG_ALTER_SYSTEM;
2900  break;
2901 
2902  case T_VariableSetStmt:
2903  switch (((VariableSetStmt *) parsetree)->kind)
2904  {
2905  case VAR_SET_VALUE:
2906  case VAR_SET_CURRENT:
2907  case VAR_SET_DEFAULT:
2908  case VAR_SET_MULTI:
2909  tag = CMDTAG_SET;
2910  break;
2911  case VAR_RESET:
2912  case VAR_RESET_ALL:
2913  tag = CMDTAG_RESET;
2914  break;
2915  default:
2916  tag = CMDTAG_UNKNOWN;
2917  }
2918  break;
2919 
2920  case T_VariableShowStmt:
2921  tag = CMDTAG_SHOW;
2922  break;
2923 
2924  case T_DiscardStmt:
2925  switch (((DiscardStmt *) parsetree)->target)
2926  {
2927  case DISCARD_ALL:
2928  tag = CMDTAG_DISCARD_ALL;
2929  break;
2930  case DISCARD_PLANS:
2931  tag = CMDTAG_DISCARD_PLANS;
2932  break;
2933  case DISCARD_TEMP:
2934  tag = CMDTAG_DISCARD_TEMP;
2935  break;
2936  case DISCARD_SEQUENCES:
2937  tag = CMDTAG_DISCARD_SEQUENCES;
2938  break;
2939  default:
2940  tag = CMDTAG_UNKNOWN;
2941  }
2942  break;
2943 
2944  case T_CreateTransformStmt:
2945  tag = CMDTAG_CREATE_TRANSFORM;
2946  break;
2947 
2948  case T_CreateTrigStmt:
2949  tag = CMDTAG_CREATE_TRIGGER;
2950  break;
2951 
2952  case T_CreateEventTrigStmt:
2953  tag = CMDTAG_CREATE_EVENT_TRIGGER;
2954  break;
2955 
2956  case T_AlterEventTrigStmt:
2957  tag = CMDTAG_ALTER_EVENT_TRIGGER;
2958  break;
2959 
2960  case T_CreatePLangStmt:
2961  tag = CMDTAG_CREATE_LANGUAGE;
2962  break;
2963 
2964  case T_CreateRoleStmt:
2965  tag = CMDTAG_CREATE_ROLE;
2966  break;
2967 
2968  case T_AlterRoleStmt:
2969  tag = CMDTAG_ALTER_ROLE;
2970  break;
2971 
2972  case T_AlterRoleSetStmt:
2973  tag = CMDTAG_ALTER_ROLE;
2974  break;
2975 
2976  case T_DropRoleStmt:
2977  tag = CMDTAG_DROP_ROLE;
2978  break;
2979 
2980  case T_DropOwnedStmt:
2981  tag = CMDTAG_DROP_OWNED;
2982  break;
2983 
2984  case T_ReassignOwnedStmt:
2985  tag = CMDTAG_REASSIGN_OWNED;
2986  break;
2987 
2988  case T_LockStmt:
2989  tag = CMDTAG_LOCK_TABLE;
2990  break;
2991 
2992  case T_ConstraintsSetStmt:
2993  tag = CMDTAG_SET_CONSTRAINTS;
2994  break;
2995 
2996  case T_CheckPointStmt:
2997  tag = CMDTAG_CHECKPOINT;
2998  break;
2999 
3000  case T_ReindexStmt:
3001  tag = CMDTAG_REINDEX;
3002  break;
3003 
3004  case T_CreateConversionStmt:
3005  tag = CMDTAG_CREATE_CONVERSION;
3006  break;
3007 
3008  case T_CreateCastStmt:
3009  tag = CMDTAG_CREATE_CAST;
3010  break;
3011 
3012  case T_CreateOpClassStmt:
3013  tag = CMDTAG_CREATE_OPERATOR_CLASS;
3014  break;
3015 
3016  case T_CreateOpFamilyStmt:
3017  tag = CMDTAG_CREATE_OPERATOR_FAMILY;
3018  break;
3019 
3020  case T_AlterOpFamilyStmt:
3021  tag = CMDTAG_ALTER_OPERATOR_FAMILY;
3022  break;
3023 
3024  case T_AlterOperatorStmt:
3025  tag = CMDTAG_ALTER_OPERATOR;
3026  break;
3027 
3028  case T_AlterTypeStmt:
3029  tag = CMDTAG_ALTER_TYPE;
3030  break;
3031 
3032  case T_AlterTSDictionaryStmt:
3033  tag = CMDTAG_ALTER_TEXT_SEARCH_DICTIONARY;
3034  break;
3035 
3036  case T_AlterTSConfigurationStmt:
3037  tag = CMDTAG_ALTER_TEXT_SEARCH_CONFIGURATION;
3038  break;
3039 
3040  case T_CreatePolicyStmt:
3041  tag = CMDTAG_CREATE_POLICY;
3042  break;
3043 
3044  case T_AlterPolicyStmt:
3045  tag = CMDTAG_ALTER_POLICY;
3046  break;
3047 
3048  case T_CreateAmStmt:
3049  tag = CMDTAG_CREATE_ACCESS_METHOD;
3050  break;
3051 
3052  case T_CreatePublicationStmt:
3053  tag = CMDTAG_CREATE_PUBLICATION;
3054  break;
3055 
3056  case T_AlterPublicationStmt:
3057  tag = CMDTAG_ALTER_PUBLICATION;
3058  break;
3059 
3060  case T_CreateSubscriptionStmt:
3061  tag = CMDTAG_CREATE_SUBSCRIPTION;
3062  break;
3063 
3064  case T_AlterSubscriptionStmt:
3065  tag = CMDTAG_ALTER_SUBSCRIPTION;
3066  break;
3067 
3068  case T_DropSubscriptionStmt:
3069  tag = CMDTAG_DROP_SUBSCRIPTION;
3070  break;
3071 
3072  case T_AlterCollationStmt:
3073  tag = CMDTAG_ALTER_COLLATION;
3074  break;
3075 
3076  case T_PrepareStmt:
3077  tag = CMDTAG_PREPARE;
3078  break;
3079 
3080  case T_ExecuteStmt:
3081  tag = CMDTAG_EXECUTE;
3082  break;
3083 
3084  case T_CreateStatsStmt:
3085  tag = CMDTAG_CREATE_STATISTICS;
3086  break;
3087 
3088  case T_AlterStatsStmt:
3089  tag = CMDTAG_ALTER_STATISTICS;
3090  break;
3091 
3092  case T_DeallocateStmt:
3093  {
3094  DeallocateStmt *stmt = (DeallocateStmt *) parsetree;
3095 
3096  if (stmt->name == NULL)
3097  tag = CMDTAG_DEALLOCATE_ALL;
3098  else
3099  tag = CMDTAG_DEALLOCATE;
3100  }
3101  break;
3102 
3103  /* already-planned queries */
3104  case T_PlannedStmt:
3105  {
3106  PlannedStmt *stmt = (PlannedStmt *) parsetree;
3107 
3108  switch (stmt->commandType)
3109  {
3110  case CMD_SELECT:
3111 
3112  /*
3113  * We take a little extra care here so that the result
3114  * will be useful for complaints about read-only
3115  * statements
3116  */
3117  if (stmt->rowMarks != NIL)
3118  {
3119  /* not 100% but probably close enough */
3120  switch (((PlanRowMark *) linitial(stmt->rowMarks))->strength)
3121  {
3122  case LCS_FORKEYSHARE:
3123  tag = CMDTAG_SELECT_FOR_KEY_SHARE;
3124  break;
3125  case LCS_FORSHARE:
3126  tag = CMDTAG_SELECT_FOR_SHARE;
3127  break;
3128  case LCS_FORNOKEYUPDATE:
3129  tag = CMDTAG_SELECT_FOR_NO_KEY_UPDATE;
3130  break;
3131  case LCS_FORUPDATE:
3132  tag = CMDTAG_SELECT_FOR_UPDATE;
3133  break;
3134  default:
3135  tag = CMDTAG_SELECT;
3136  break;
3137  }
3138  }
3139  else
3140  tag = CMDTAG_SELECT;
3141  break;
3142  case CMD_UPDATE:
3143  tag = CMDTAG_UPDATE;
3144  break;
3145  case CMD_INSERT:
3146  tag = CMDTAG_INSERT;
3147  break;
3148  case CMD_DELETE:
3149  tag = CMDTAG_DELETE;
3150  break;
3151  case CMD_MERGE:
3152  tag = CMDTAG_MERGE;
3153  break;
3154  case CMD_UTILITY:
3155  tag = CreateCommandTag(stmt->utilityStmt);
3156  break;
3157  default:
3158  elog(WARNING, "unrecognized commandType: %d",
3159  (int) stmt->commandType);
3160  tag = CMDTAG_UNKNOWN;
3161  break;
3162  }
3163  }
3164  break;
3165 
3166  /* parsed-and-rewritten-but-not-planned queries */
3167  case T_Query:
3168  {
3169  Query *stmt = (Query *) parsetree;
3170 
3171  switch (stmt->commandType)
3172  {
3173  case CMD_SELECT:
3174 
3175  /*
3176  * We take a little extra care here so that the result
3177  * will be useful for complaints about read-only
3178  * statements
3179  */
3180  if (stmt->rowMarks != NIL)
3181  {
3182  /* not 100% but probably close enough */
3183  switch (((RowMarkClause *) linitial(stmt->rowMarks))->strength)
3184  {
3185  case LCS_FORKEYSHARE:
3186  tag = CMDTAG_SELECT_FOR_KEY_SHARE;
3187  break;
3188  case LCS_FORSHARE:
3189  tag = CMDTAG_SELECT_FOR_SHARE;
3190  break;
3191  case LCS_FORNOKEYUPDATE:
3192  tag = CMDTAG_SELECT_FOR_NO_KEY_UPDATE;
3193  break;
3194  case LCS_FORUPDATE:
3195  tag = CMDTAG_SELECT_FOR_UPDATE;
3196  break;
3197  default:
3198  tag = CMDTAG_UNKNOWN;
3199  break;
3200  }
3201  }
3202  else
3203  tag = CMDTAG_SELECT;
3204  break;
3205  case CMD_UPDATE:
3206  tag = CMDTAG_UPDATE;
3207  break;
3208  case CMD_INSERT:
3209  tag = CMDTAG_INSERT;
3210  break;
3211  case CMD_DELETE:
3212  tag = CMDTAG_DELETE;
3213  break;
3214  case CMD_MERGE:
3215  tag = CMDTAG_MERGE;
3216  break;
3217  case CMD_UTILITY:
3218  tag = CreateCommandTag(stmt->utilityStmt);
3219  break;
3220  default:
3221  elog(WARNING, "unrecognized commandType: %d",
3222  (int) stmt->commandType);
3223  tag = CMDTAG_UNKNOWN;
3224  break;
3225  }
3226  }
3227  break;
3228 
3229  default:
3230  elog(WARNING, "unrecognized node type: %d",
3231  (int) nodeTag(parsetree));
3232  tag = CMDTAG_UNKNOWN;
3233  break;
3234  }
3235 
3236  return tag;
3237 }
CommandTag
CommandTag
Definition: cmdtag.h:23
stmt
#define stmt
Definition: indent_codes.h:59
LCS_FORUPDATE
@ LCS_FORUPDATE
Definition: lockoptions.h:27
LCS_FORSHARE
@ LCS_FORSHARE
Definition: lockoptions.h:25
LCS_FORKEYSHARE
@ LCS_FORKEYSHARE
Definition: lockoptions.h:24
LCS_FORNOKEYUPDATE
@ LCS_FORNOKEYUPDATE
Definition: lockoptions.h:26
nodeTag
#define nodeTag(nodeptr)
Definition: nodes.h:133
TRANS_STMT_ROLLBACK_TO
@ TRANS_STMT_ROLLBACK_TO
Definition: parsenodes.h:3492
TRANS_STMT_START
@ TRANS_STMT_START
Definition: parsenodes.h:3487
TRANS_STMT_SAVEPOINT
@ TRANS_STMT_SAVEPOINT
Definition: parsenodes.h:3490
TRANS_STMT_BEGIN
@ TRANS_STMT_BEGIN
Definition: parsenodes.h:3486
TRANS_STMT_ROLLBACK
@ TRANS_STMT_ROLLBACK
Definition: parsenodes.h:3489
TRANS_STMT_COMMIT_PREPARED
@ TRANS_STMT_COMMIT_PREPARED
Definition: parsenodes.h:3494
TRANS_STMT_COMMIT
@ TRANS_STMT_COMMIT
Definition: parsenodes.h:3488
TRANS_STMT_ROLLBACK_PREPARED
@ TRANS_STMT_ROLLBACK_PREPARED
Definition: parsenodes.h:3495
TRANS_STMT_PREPARE
@ TRANS_STMT_PREPARE
Definition: parsenodes.h:3493
TRANS_STMT_RELEASE
@ TRANS_STMT_RELEASE
Definition: parsenodes.h:3491
VAR_SET_DEFAULT
@ VAR_SET_DEFAULT
Definition: parsenodes.h:2434
VAR_RESET
@ VAR_RESET
Definition: parsenodes.h:2437
VAR_SET_MULTI
@ VAR_SET_MULTI
Definition: parsenodes.h:2436
VAR_SET_VALUE
@ VAR_SET_VALUE
Definition: parsenodes.h:2433
VAR_SET_CURRENT
@ VAR_SET_CURRENT
Definition: parsenodes.h:2435
VAR_RESET_ALL
@ VAR_RESET_ALL
Definition: parsenodes.h:2438
OBJECT_EVENT_TRIGGER
@ OBJECT_EVENT_TRIGGER
Definition: parsenodes.h:2096
OBJECT_FDW
@ OBJECT_FDW
Definition: parsenodes.h:2098
OBJECT_TSPARSER
@ OBJECT_TSPARSER
Definition: parsenodes.h:2129
OBJECT_COLLATION
@ OBJECT_COLLATION
Definition: parsenodes.h:2089
OBJECT_ACCESS_METHOD
@ OBJECT_ACCESS_METHOD
Definition: parsenodes.h:2082
OBJECT_OPCLASS
@ OBJECT_OPCLASS
Definition: parsenodes.h:2106
OBJECT_AGGREGATE
@ OBJECT_AGGREGATE
Definition: parsenodes.h:2083
OBJECT_MATVIEW
@ OBJECT_MATVIEW
Definition: parsenodes.h:2105
OBJECT_SCHEMA
@ OBJECT_SCHEMA
Definition: parsenodes.h:2118
OBJECT_POLICY
@ OBJECT_POLICY
Definition: parsenodes.h:2110
OBJECT_OPERATOR
@ OBJECT_OPERATOR
Definition: parsenodes.h:2107
OBJECT_FOREIGN_TABLE
@ OBJECT_FOREIGN_TABLE
Definition: parsenodes.h:2100
OBJECT_TSCONFIGURATION
@ OBJECT_TSCONFIGURATION
Definition: parsenodes.h:2127
OBJECT_OPFAMILY
@ OBJECT_OPFAMILY
Definition: parsenodes.h:2108
OBJECT_DOMAIN
@ OBJECT_DOMAIN
Definition: parsenodes.h:2094
OBJECT_COLUMN
@ OBJECT_COLUMN
Definition: parsenodes.h:2088
OBJECT_ROUTINE
@ OBJECT_ROUTINE
Definition: parsenodes.h:2116
OBJECT_PROCEDURE
@ OBJECT_PROCEDURE
Definition: parsenodes.h:2111
OBJECT_EXTENSION
@ OBJECT_EXTENSION
Definition: parsenodes.h:2097
OBJECT_INDEX
@ OBJECT_INDEX
Definition: parsenodes.h:2102
OBJECT_SEQUENCE
@ OBJECT_SEQUENCE
Definition: parsenodes.h:2119
OBJECT_TSTEMPLATE
@ OBJECT_TSTEMPLATE
Definition: parsenodes.h:2130
OBJECT_LANGUAGE
@ OBJECT_LANGUAGE
Definition: parsenodes.h:2103
OBJECT_FOREIGN_SERVER
@ OBJECT_FOREIGN_SERVER
Definition: parsenodes.h:2099
OBJECT_TSDICTIONARY
@ OBJECT_TSDICTIONARY
Definition: parsenodes.h:2128
OBJECT_PUBLICATION
@ OBJECT_PUBLICATION
Definition: parsenodes.h:2112
OBJECT_RULE
@ OBJECT_RULE
Definition: parsenodes.h:2117
OBJECT_CONVERSION
@ OBJECT_CONVERSION
Definition: parsenodes.h:2090
OBJECT_TABLE
@ OBJECT_TABLE
Definition: parsenodes.h:2123
OBJECT_VIEW
@ OBJECT_VIEW
Definition: parsenodes.h:2133
OBJECT_TYPE
@ OBJECT_TYPE
Definition: parsenodes.h:2131
OBJECT_FUNCTION
@ OBJECT_FUNCTION
Definition: parsenodes.h:2101
OBJECT_STATISTIC_EXT
@ OBJECT_STATISTIC_EXT
Definition: parsenodes.h:2121
OBJECT_CAST
@ OBJECT_CAST
Definition: parsenodes.h:2087
OBJECT_TRIGGER
@ OBJECT_TRIGGER
Definition: parsenodes.h:2126
OBJECT_TRANSFORM
@ OBJECT_TRANSFORM
Definition: parsenodes.h:2125
DISCARD_ALL
@ DISCARD_ALL
Definition: parsenodes.h:3753
DISCARD_PLANS
@ DISCARD_PLANS
Definition: parsenodes.h:3754
DISCARD_SEQUENCES
@ DISCARD_SEQUENCES
Definition: parsenodes.h:3755
DISCARD_TEMP
@ DISCARD_TEMP
Definition: parsenodes.h:3756
linitial
#define linitial(l)
Definition: pg_list.h:178
CreateCommandTag
CommandTag CreateCommandTag(Node *parsetree)
Definition: utility.c:2363
AlterObjectTypeCommandTag
static CommandTag AlterObjectTypeCommandTag(ObjectType objtype)
Definition: utility.c:2217

References AlterObjectTypeCommandTag(), CMD_DELETE, CMD_INSERT, CMD_MERGE, CMD_SELECT, CMD_UPDATE, CMD_UTILITY, DISCARD_ALL, DISCARD_PLANS, DISCARD_SEQUENCES, DISCARD_TEMP, elog(), LCS_FORKEYSHARE, LCS_FORNOKEYUPDATE, LCS_FORSHARE, LCS_FORUPDATE, linitial, NIL, nodeTag, OBJECT_ACCESS_METHOD, OBJECT_AGGREGATE, OBJECT_CAST, OBJECT_COLLATION, OBJECT_COLUMN, OBJECT_CONVERSION, OBJECT_DOMAIN, OBJECT_EVENT_TRIGGER, OBJECT_EXTENSION, OBJECT_FDW, OBJECT_FOREIGN_SERVER, OBJECT_FOREIGN_TABLE, OBJECT_FUNCTION, OBJECT_INDEX, OBJECT_LANGUAGE, OBJECT_MATVIEW, OBJECT_OPCLASS, OBJECT_OPERATOR, OBJECT_OPFAMILY, OBJECT_POLICY, OBJECT_PROCEDURE, OBJECT_PUBLICATION, OBJECT_ROUTINE, OBJECT_RULE, OBJECT_SCHEMA, OBJECT_SEQUENCE, OBJECT_STATISTIC_EXT, OBJECT_TABLE, OBJECT_TRANSFORM, OBJECT_TRIGGER, OBJECT_TSCONFIGURATION, OBJECT_TSDICTIONARY, OBJECT_TSPARSER, OBJECT_TSTEMPLATE, OBJECT_TYPE, OBJECT_VIEW, stmt, TRANS_STMT_BEGIN, TRANS_STMT_COMMIT, TRANS_STMT_COMMIT_PREPARED, TRANS_STMT_PREPARE, TRANS_STMT_RELEASE, TRANS_STMT_ROLLBACK, TRANS_STMT_ROLLBACK_PREPARED, TRANS_STMT_ROLLBACK_TO, TRANS_STMT_SAVEPOINT, TRANS_STMT_START, VAR_RESET, VAR_RESET_ALL, VAR_SET_CURRENT, VAR_SET_DEFAULT, VAR_SET_MULTI, VAR_SET_VALUE, and WARNING.

Referenced by _SPI_prepare_oneshot_plan(), _SPI_prepare_plan(), CreateCommandName(), EventTriggerCommonSetup(), exec_parse_message(), exec_simple_query(), interpret_AS_clause(), PrepareQuery(), REGRESS_utility_command(), and standard_ProcessUtility().

◆ GetCommandLogLevel()

LogStmtLevel GetCommandLogLevel ( Node *  parsetree)

Definition at line 3250 of file utility.c.

3251 {
3252  LogStmtLevel lev;
3253 
3254  switch (nodeTag(parsetree))
3255  {
3256  /* recurse if we're given a RawStmt */
3257  case T_RawStmt:
3258  lev = GetCommandLogLevel(((RawStmt *) parsetree)->stmt);
3259  break;
3260 
3261  /* raw plannable queries */
3262  case T_InsertStmt:
3263  case T_DeleteStmt:
3264  case T_UpdateStmt:
3265  case T_MergeStmt:
3266  lev = LOGSTMT_MOD;
3267  break;
3268 
3269  case T_SelectStmt:
3270  if (((SelectStmt *) parsetree)->intoClause)
3271  lev = LOGSTMT_DDL; /* SELECT INTO */
3272  else
3273  lev = LOGSTMT_ALL;
3274  break;
3275 
3276  case T_PLAssignStmt:
3277  lev = LOGSTMT_ALL;
3278  break;
3279 
3280  /* utility statements --- same whether raw or cooked */
3281  case T_TransactionStmt:
3282  lev = LOGSTMT_ALL;
3283  break;
3284 
3285  case T_DeclareCursorStmt:
3286  lev = LOGSTMT_ALL;
3287  break;
3288 
3289  case T_ClosePortalStmt:
3290  lev = LOGSTMT_ALL;
3291  break;
3292 
3293  case T_FetchStmt:
3294  lev = LOGSTMT_ALL;
3295  break;
3296 
3297  case T_CreateSchemaStmt:
3298  lev = LOGSTMT_DDL;
3299  break;
3300 
3301  case T_CreateStmt:
3302  case T_CreateForeignTableStmt:
3303  lev = LOGSTMT_DDL;
3304  break;
3305 
3306  case T_CreateTableSpaceStmt:
3307  case T_DropTableSpaceStmt:
3308  case T_AlterTableSpaceOptionsStmt:
3309  lev = LOGSTMT_DDL;
3310  break;
3311 
3312  case T_CreateExtensionStmt:
3313  case T_AlterExtensionStmt:
3314  case T_AlterExtensionContentsStmt:
3315  lev = LOGSTMT_DDL;
3316  break;
3317 
3318  case T_CreateFdwStmt:
3319  case T_AlterFdwStmt:
3320  case T_CreateForeignServerStmt:
3321  case T_AlterForeignServerStmt:
3322  case T_CreateUserMappingStmt:
3323  case T_AlterUserMappingStmt:
3324  case T_DropUserMappingStmt:
3325  case T_ImportForeignSchemaStmt:
3326  lev = LOGSTMT_DDL;
3327  break;
3328 
3329  case T_DropStmt:
3330  lev = LOGSTMT_DDL;
3331  break;
3332 
3333  case T_TruncateStmt:
3334  lev = LOGSTMT_MOD;
3335  break;
3336 
3337  case T_CommentStmt:
3338  lev = LOGSTMT_DDL;
3339  break;
3340 
3341  case T_SecLabelStmt:
3342  lev = LOGSTMT_DDL;
3343  break;
3344 
3345  case T_CopyStmt:
3346  if (((CopyStmt *) parsetree)->is_from)
3347  lev = LOGSTMT_MOD;
3348  else
3349  lev = LOGSTMT_ALL;
3350  break;
3351 
3352  case T_PrepareStmt:
3353  {
3354  PrepareStmt *stmt = (PrepareStmt *) parsetree;
3355 
3356  /* Look through a PREPARE to the contained stmt */
3357  lev = GetCommandLogLevel(stmt->query);
3358  }
3359  break;
3360 
3361  case T_ExecuteStmt:
3362  {
3363  ExecuteStmt *stmt = (ExecuteStmt *) parsetree;
3364  PreparedStatement *ps;
3365 
3366  /* Look through an EXECUTE to the referenced stmt */
3367  ps = FetchPreparedStatement(stmt->name, false);
3368  if (ps && ps->plansource->raw_parse_tree)
3369  lev = GetCommandLogLevel(ps->plansource->raw_parse_tree->stmt);
3370  else
3371  lev = LOGSTMT_ALL;
3372  }
3373  break;
3374 
3375  case T_DeallocateStmt:
3376  lev = LOGSTMT_ALL;
3377  break;
3378 
3379  case T_RenameStmt:
3380  lev = LOGSTMT_DDL;
3381  break;
3382 
3383  case T_AlterObjectDependsStmt:
3384  lev = LOGSTMT_DDL;
3385  break;
3386 
3387  case T_AlterObjectSchemaStmt:
3388  lev = LOGSTMT_DDL;
3389  break;
3390 
3391  case T_AlterOwnerStmt:
3392  lev = LOGSTMT_DDL;
3393  break;
3394 
3395  case T_AlterOperatorStmt:
3396  lev = LOGSTMT_DDL;
3397  break;
3398 
3399  case T_AlterTypeStmt:
3400  lev = LOGSTMT_DDL;
3401  break;
3402 
3403  case T_AlterTableMoveAllStmt:
3404  case T_AlterTableStmt:
3405  lev = LOGSTMT_DDL;
3406  break;
3407 
3408  case T_AlterDomainStmt:
3409  lev = LOGSTMT_DDL;
3410  break;
3411 
3412  case T_GrantStmt:
3413  lev = LOGSTMT_DDL;
3414  break;
3415 
3416  case T_GrantRoleStmt:
3417  lev = LOGSTMT_DDL;
3418  break;
3419 
3420  case T_AlterDefaultPrivilegesStmt:
3421  lev = LOGSTMT_DDL;
3422  break;
3423 
3424  case T_DefineStmt:
3425  lev = LOGSTMT_DDL;
3426  break;
3427 
3428  case T_CompositeTypeStmt:
3429  lev = LOGSTMT_DDL;
3430  break;
3431 
3432  case T_CreateEnumStmt:
3433  lev = LOGSTMT_DDL;
3434  break;
3435 
3436  case T_CreateRangeStmt:
3437  lev = LOGSTMT_DDL;
3438  break;
3439 
3440  case T_AlterEnumStmt:
3441  lev = LOGSTMT_DDL;
3442  break;
3443 
3444  case T_ViewStmt:
3445  lev = LOGSTMT_DDL;
3446  break;
3447 
3448  case T_CreateFunctionStmt:
3449  lev = LOGSTMT_DDL;
3450  break;
3451 
3452  case T_AlterFunctionStmt:
3453  lev = LOGSTMT_DDL;
3454  break;
3455 
3456  case T_IndexStmt:
3457  lev = LOGSTMT_DDL;
3458  break;
3459 
3460  case T_RuleStmt:
3461  lev = LOGSTMT_DDL;
3462  break;
3463 
3464  case T_CreateSeqStmt:
3465  lev = LOGSTMT_DDL;
3466  break;
3467 
3468  case T_AlterSeqStmt:
3469  lev = LOGSTMT_DDL;
3470  break;
3471 
3472  case T_DoStmt:
3473  lev = LOGSTMT_ALL;
3474  break;
3475 
3476  case T_CreatedbStmt:
3477  lev = LOGSTMT_DDL;
3478  break;
3479 
3480  case T_AlterDatabaseStmt:
3481  case T_AlterDatabaseRefreshCollStmt:
3482  case T_AlterDatabaseSetStmt:
3483  lev = LOGSTMT_DDL;
3484  break;
3485 
3486  case T_DropdbStmt:
3487  lev = LOGSTMT_DDL;
3488  break;
3489 
3490  case T_NotifyStmt:
3491  lev = LOGSTMT_ALL;
3492  break;
3493 
3494  case T_ListenStmt:
3495  lev = LOGSTMT_ALL;
3496  break;
3497 
3498  case T_UnlistenStmt:
3499  lev = LOGSTMT_ALL;
3500  break;
3501 
3502  case T_LoadStmt:
3503  lev = LOGSTMT_ALL;
3504  break;
3505 
3506  case T_CallStmt:
3507  lev = LOGSTMT_ALL;
3508  break;
3509 
3510  case T_ClusterStmt:
3511  lev = LOGSTMT_DDL;
3512  break;
3513 
3514  case T_VacuumStmt:
3515  lev = LOGSTMT_ALL;
3516  break;
3517 
3518  case T_ExplainStmt:
3519  {
3520  ExplainStmt *stmt = (ExplainStmt *) parsetree;
3521  bool analyze = false;
3522  ListCell *lc;
3523 
3524  /* Look through an EXPLAIN ANALYZE to the contained stmt */
3525  foreach(lc, stmt->options)
3526  {
3527  DefElem *opt = (DefElem *) lfirst(lc);
3528 
3529  if (strcmp(opt->defname, "analyze") == 0)
3530  analyze = defGetBoolean(opt);
3531  /* don't "break", as explain.c will use the last value */
3532  }
3533  if (analyze)
3534  return GetCommandLogLevel(stmt->query);
3535 
3536  /* Plain EXPLAIN isn't so interesting */
3537  lev = LOGSTMT_ALL;
3538  }
3539  break;
3540 
3541  case T_CreateTableAsStmt:
3542  lev = LOGSTMT_DDL;
3543  break;
3544 
3545  case T_RefreshMatViewStmt:
3546  lev = LOGSTMT_DDL;
3547  break;
3548 
3549  case T_AlterSystemStmt:
3550  lev = LOGSTMT_DDL;
3551  break;
3552 
3553  case T_VariableSetStmt:
3554  lev = LOGSTMT_ALL;
3555  break;
3556 
3557  case T_VariableShowStmt:
3558  lev = LOGSTMT_ALL;
3559  break;
3560 
3561  case T_DiscardStmt:
3562  lev = LOGSTMT_ALL;
3563  break;
3564 
3565  case T_CreateTrigStmt:
3566  lev = LOGSTMT_DDL;
3567  break;
3568 
3569  case T_CreateEventTrigStmt:
3570  lev = LOGSTMT_DDL;
3571  break;
3572 
3573  case T_AlterEventTrigStmt:
3574  lev = LOGSTMT_DDL;
3575  break;
3576 
3577  case T_CreatePLangStmt:
3578  lev = LOGSTMT_DDL;
3579  break;
3580 
3581  case T_CreateDomainStmt:
3582  lev = LOGSTMT_DDL;
3583  break;
3584 
3585  case T_CreateRoleStmt:
3586  lev = LOGSTMT_DDL;
3587  break;
3588 
3589  case T_AlterRoleStmt:
3590  lev = LOGSTMT_DDL;
3591  break;
3592 
3593  case T_AlterRoleSetStmt:
3594  lev = LOGSTMT_DDL;
3595  break;
3596 
3597  case T_DropRoleStmt:
3598  lev = LOGSTMT_DDL;
3599  break;
3600 
3601  case T_DropOwnedStmt:
3602  lev = LOGSTMT_DDL;
3603  break;
3604 
3605  case T_ReassignOwnedStmt:
3606  lev = LOGSTMT_DDL;
3607  break;
3608 
3609  case T_LockStmt:
3610  lev = LOGSTMT_ALL;
3611  break;
3612 
3613  case T_ConstraintsSetStmt:
3614  lev = LOGSTMT_ALL;
3615  break;
3616 
3617  case T_CheckPointStmt:
3618  lev = LOGSTMT_ALL;
3619  break;
3620 
3621  case T_ReindexStmt:
3622  lev = LOGSTMT_ALL; /* should this be DDL? */
3623  break;
3624 
3625  case T_CreateConversionStmt:
3626  lev = LOGSTMT_DDL;
3627  break;
3628 
3629  case T_CreateCastStmt:
3630  lev = LOGSTMT_DDL;
3631  break;
3632 
3633  case T_CreateOpClassStmt:
3634  lev = LOGSTMT_DDL;
3635  break;
3636 
3637  case T_CreateOpFamilyStmt:
3638  lev = LOGSTMT_DDL;
3639  break;
3640 
3641  case T_CreateTransformStmt:
3642  lev = LOGSTMT_DDL;
3643  break;
3644 
3645  case T_AlterOpFamilyStmt:
3646  lev = LOGSTMT_DDL;
3647  break;
3648 
3649  case T_CreatePolicyStmt:
3650  lev = LOGSTMT_DDL;
3651  break;
3652 
3653  case T_AlterPolicyStmt:
3654  lev = LOGSTMT_DDL;
3655  break;
3656 
3657  case T_AlterTSDictionaryStmt:
3658  lev = LOGSTMT_DDL;
3659  break;
3660 
3661  case T_AlterTSConfigurationStmt:
3662  lev = LOGSTMT_DDL;
3663  break;
3664 
3665  case T_CreateAmStmt:
3666  lev = LOGSTMT_DDL;
3667  break;
3668 
3669  case T_CreatePublicationStmt:
3670  lev = LOGSTMT_DDL;
3671  break;
3672 
3673  case T_AlterPublicationStmt:
3674  lev = LOGSTMT_DDL;
3675  break;
3676 
3677  case T_CreateSubscriptionStmt:
3678  lev = LOGSTMT_DDL;
3679  break;
3680 
3681  case T_AlterSubscriptionStmt:
3682  lev = LOGSTMT_DDL;
3683  break;
3684 
3685  case T_DropSubscriptionStmt:
3686  lev = LOGSTMT_DDL;
3687  break;
3688 
3689  case T_CreateStatsStmt:
3690  lev = LOGSTMT_DDL;
3691  break;
3692 
3693  case T_AlterStatsStmt:
3694  lev = LOGSTMT_DDL;
3695  break;
3696 
3697  case T_AlterCollationStmt:
3698  lev = LOGSTMT_DDL;
3699  break;
3700 
3701  /* already-planned queries */
3702  case T_PlannedStmt:
3703  {
3704  PlannedStmt *stmt = (PlannedStmt *) parsetree;
3705 
3706  switch (stmt->commandType)
3707  {
3708  case CMD_SELECT:
3709  lev = LOGSTMT_ALL;
3710  break;
3711 
3712  case CMD_UPDATE:
3713  case CMD_INSERT:
3714  case CMD_DELETE:
3715  case CMD_MERGE:
3716  lev = LOGSTMT_MOD;
3717  break;
3718 
3719  case CMD_UTILITY:
3720  lev = GetCommandLogLevel(stmt->utilityStmt);
3721  break;
3722 
3723  default:
3724  elog(WARNING, "unrecognized commandType: %d",
3725  (int) stmt->commandType);
3726  lev = LOGSTMT_ALL;
3727  break;
3728  }
3729  }
3730  break;
3731 
3732  /* parsed-and-rewritten-but-not-planned queries */
3733  case T_Query:
3734  {
3735  Query *stmt = (Query *) parsetree;
3736 
3737  switch (stmt->commandType)
3738  {
3739  case CMD_SELECT:
3740  lev = LOGSTMT_ALL;
3741  break;
3742 
3743  case CMD_UPDATE:
3744  case CMD_INSERT:
3745  case CMD_DELETE:
3746  case CMD_MERGE:
3747  lev = LOGSTMT_MOD;
3748  break;
3749 
3750  case CMD_UTILITY:
3751  lev = GetCommandLogLevel(stmt->utilityStmt);
3752  break;
3753 
3754  default:
3755  elog(WARNING, "unrecognized commandType: %d",
3756  (int) stmt->commandType);
3757  lev = LOGSTMT_ALL;
3758  break;
3759  }
3760  }
3761  break;
3762 
3763  default:
3764  elog(WARNING, "unrecognized node type: %d",
3765  (int) nodeTag(parsetree));
3766  lev = LOGSTMT_ALL;
3767  break;
3768  }
3769 
3770  return lev;
3771 }
FetchPreparedStatement
PreparedStatement * FetchPreparedStatement(const char *stmt_name, bool throwError)
Definition: prepare.c:434
defGetBoolean
bool defGetBoolean(DefElem *def)
Definition: define.c:108
ps
struct parser_state ps
lfirst
#define lfirst(lc)
Definition: pg_list.h:172
analyze
static long analyze(struct nfa *nfa)
Definition: regc_nfa.c:3016
DefElem::defname
char * defname
Definition: parsenodes.h:810
LogStmtLevel
LogStmtLevel
Definition: tcopprot.h:37
LOGSTMT_MOD
@ LOGSTMT_MOD
Definition: tcopprot.h:40
LOGSTMT_DDL
@ LOGSTMT_DDL
Definition: tcopprot.h:39
LOGSTMT_ALL
@ LOGSTMT_ALL
Definition: tcopprot.h:41
GetCommandLogLevel
LogStmtLevel GetCommandLogLevel(Node *parsetree)
Definition: utility.c:3250

References analyze(), CMD_DELETE, CMD_INSERT, CMD_MERGE, CMD_SELECT, CMD_UPDATE, CMD_UTILITY, defGetBoolean(), DefElem::defname, elog(), FetchPreparedStatement(), lfirst, LOGSTMT_ALL, LOGSTMT_DDL, LOGSTMT_MOD, nodeTag, ps, stmt, and WARNING.

Referenced by check_log_statement().

◆ ProcessUtility()

void ProcessUtility ( PlannedStmt *  pstmt,
const char *  queryString,
bool  readOnlyTree,
ProcessUtilityContext  context,
ParamListInfo  params,
QueryEnvironment *  queryEnv,
DestReceiver *  dest,
QueryCompletion *  qc 
)

Definition at line 506 of file utility.c.

514 {
515  Assert(IsA(pstmt, PlannedStmt));
516  Assert(pstmt->commandType == CMD_UTILITY);
517  Assert(queryString != NULL); /* required as of 8.4 */
518  Assert(qc == NULL || qc->commandTag == CMDTAG_UNKNOWN);
519 
520  /*
521  * We provide a function hook variable that lets loadable plugins get
522  * control when ProcessUtility is called. Such a plugin would normally
523  * call standard_ProcessUtility().
524  */
525  if (ProcessUtility_hook)
526  (*ProcessUtility_hook) (pstmt, queryString, readOnlyTree,
527  context, params, queryEnv,
528  dest, qc);
529  else
530  standard_ProcessUtility(pstmt, queryString, readOnlyTree,
531  context, params, queryEnv,
532  dest, qc);
533 }
generate_unaccent_rules.dest
dest
Definition: generate_unaccent_rules.py:276
QueryCompletion::commandTag
CommandTag commandTag
Definition: cmdtag.h:32
standard_ProcessUtility
void standard_ProcessUtility(PlannedStmt *pstmt, const char *queryString, bool readOnlyTree, ProcessUtilityContext context, ParamListInfo params, QueryEnvironment *queryEnv, DestReceiver *dest, QueryCompletion *qc)
Definition: utility.c:547
ProcessUtility_hook
ProcessUtility_hook_type ProcessUtility_hook
Definition: utility.c:77

References Assert(), CMD_UTILITY, QueryCompletion::commandTag, PlannedStmt::commandType, generate_unaccent_rules::dest, IsA, ProcessUtility_hook, and standard_ProcessUtility().

Referenced by _SPI_execute_plan(), CreateSchemaCommand(), execute_sql_string(), ImportForeignSchema(), PortalRunUtility(), postquel_getnext(), ProcessUtilityForAlterTable(), and ProcessUtilitySlow().

◆ ProcessUtilityForAlterTable()

void ProcessUtilityForAlterTable ( Node *  stmt,
AlterTableUtilityContext *  context 
)

Definition at line 1959 of file utility.c.

1960 {
1961  PlannedStmt *wrapper;
1962 
1963  /*
1964  * For event triggers, we must "close" the current complex-command set,
1965  * and start a new one afterwards; this is needed to ensure the ordering
1966  * of command events is consistent with the way they were executed.
1967  */
1968  EventTriggerAlterTableEnd();
1969 
1970  /* Create a suitable wrapper */
1971  wrapper = makeNode(PlannedStmt);
1972  wrapper->commandType = CMD_UTILITY;
1973  wrapper->canSetTag = false;
1974  wrapper->utilityStmt = stmt;
1975  wrapper->stmt_location = context->pstmt->stmt_location;
1976  wrapper->stmt_len = context->pstmt->stmt_len;
1977 
1978  ProcessUtility(wrapper,
1979  context->queryString,
1980  false,
1981  PROCESS_UTILITY_SUBCOMMAND,
1982  context->params,
1983  context->queryEnv,
1984  None_Receiver,
1985  NULL);
1986 
1987  EventTriggerAlterTableStart(context->pstmt->utilityStmt);
1988  EventTriggerAlterTableRelid(context->relid);
1989 }
None_Receiver
DestReceiver * None_Receiver
Definition: dest.c:96
EventTriggerAlterTableStart
void EventTriggerAlterTableStart(Node *parsetree)
Definition: event_trigger.c:1521
EventTriggerAlterTableRelid
void EventTriggerAlterTableRelid(Oid objectId)
Definition: event_trigger.c:1555
EventTriggerAlterTableEnd
void EventTriggerAlterTableEnd(void)
Definition: event_trigger.c:1608
makeNode
#define makeNode(_type_)
Definition: nodes.h:176
AlterTableUtilityContext::params
ParamListInfo params
Definition: utility.h:35
AlterTableUtilityContext::queryEnv
QueryEnvironment * queryEnv
Definition: utility.h:36
AlterTableUtilityContext::pstmt
PlannedStmt * pstmt
Definition: utility.h:32
AlterTableUtilityContext::queryString
const char * queryString
Definition: utility.h:33
PlannedStmt::canSetTag
bool canSetTag
Definition: plannodes.h:61
PlannedStmt::stmt_location
int stmt_location
Definition: plannodes.h:99
PlannedStmt::stmt_len
int stmt_len
Definition: plannodes.h:100
PlannedStmt::utilityStmt
Node * utilityStmt
Definition: plannodes.h:96
ProcessUtility
void ProcessUtility(PlannedStmt *pstmt, const char *queryString, bool readOnlyTree, ProcessUtilityContext context, ParamListInfo params, QueryEnvironment *queryEnv, DestReceiver *dest, QueryCompletion *qc)
Definition: utility.c:506

References PlannedStmt::canSetTag, CMD_UTILITY, PlannedStmt::commandType, EventTriggerAlterTableEnd(), EventTriggerAlterTableRelid(), EventTriggerAlterTableStart(), makeNode, None_Receiver, AlterTableUtilityContext::params, PROCESS_UTILITY_SUBCOMMAND, ProcessUtility(), AlterTableUtilityContext::pstmt, AlterTableUtilityContext::queryEnv, AlterTableUtilityContext::queryString, AlterTableUtilityContext::relid, stmt, PlannedStmt::stmt_len, PlannedStmt::stmt_location, and PlannedStmt::utilityStmt.

Referenced by ATParseTransformCmd(), and ATRewriteTables().

◆ standard_ProcessUtility()

void standard_ProcessUtility ( PlannedStmt *  pstmt,
const char *  queryString,
bool  readOnlyTree,
ProcessUtilityContext  context,
ParamListInfo  params,
QueryEnvironment *  queryEnv,
DestReceiver *  dest,
QueryCompletion *  qc 
)

Definition at line 547 of file utility.c.

555 {
556  Node *parsetree;
557  bool isTopLevel = (context == PROCESS_UTILITY_TOPLEVEL);
558  bool isAtomicContext = (!(context == PROCESS_UTILITY_TOPLEVEL || context == PROCESS_UTILITY_QUERY_NONATOMIC) || IsTransactionBlock());
559  ParseState *pstate;
560  int readonly_flags;
561 
562  /* This can recurse, so check for excessive recursion */
563  check_stack_depth();
564 
565  /*
566  * If the given node tree is read-only, make a copy to ensure that parse
567  * transformations don't damage the original tree. This could be
568  * refactored to avoid making unnecessary copies in more cases, but it's
569  * not clear that it's worth a great deal of trouble over. Statements
570  * that are complex enough to be expensive to copy are exactly the ones
571  * we'd need to copy, so that only marginal savings seem possible.
572  */
573  if (readOnlyTree)
574  pstmt = copyObject(pstmt);
575  parsetree = pstmt->utilityStmt;
576 
577  /* Prohibit read/write commands in read-only states. */
578  readonly_flags = ClassifyUtilityCommandAsReadOnly(parsetree);
579  if (readonly_flags != COMMAND_IS_STRICTLY_READ_ONLY &&
580  (XactReadOnly || IsInParallelMode()))
581  {
582  CommandTag commandtag = CreateCommandTag(parsetree);
583 
584  if ((readonly_flags & COMMAND_OK_IN_READ_ONLY_TXN) == 0)
585  PreventCommandIfReadOnly(GetCommandTagName(commandtag));
586  if ((readonly_flags & COMMAND_OK_IN_PARALLEL_MODE) == 0)
587  PreventCommandIfParallelMode(GetCommandTagName(commandtag));
588  if ((readonly_flags & COMMAND_OK_IN_RECOVERY) == 0)
589  PreventCommandDuringRecovery(GetCommandTagName(commandtag));
590  }
591 
592  pstate = make_parsestate(NULL);
593  pstate->p_sourcetext = queryString;
594  pstate->p_queryEnv = queryEnv;
595 
596  switch (nodeTag(parsetree))
597  {
598  /*
599  * ******************** transactions ********************
600  */
601  case T_TransactionStmt:
602  {
603  TransactionStmt *stmt = (TransactionStmt *) parsetree;
604 
605  switch (stmt->kind)
606  {
607  /*
608  * START TRANSACTION, as defined by SQL99: Identical
609  * to BEGIN. Same code for both.
610  */
611  case TRANS_STMT_BEGIN:
612  case TRANS_STMT_START:
613  {
614  ListCell *lc;
615 
616  BeginTransactionBlock();
617  foreach(lc, stmt->options)
618  {
619  DefElem *item = (DefElem *) lfirst(lc);
620 
621  if (strcmp(item->defname, "transaction_isolation") == 0)
622  SetPGVariable("transaction_isolation",
623  list_make1(item->arg),
624  true);
625  else if (strcmp(item->defname, "transaction_read_only") == 0)
626  SetPGVariable("transaction_read_only",
627  list_make1(item->arg),
628  true);
629  else if (strcmp(item->defname, "transaction_deferrable") == 0)
630  SetPGVariable("transaction_deferrable",
631  list_make1(item->arg),
632  true);
633  }
634  }
635  break;
636 
637  case TRANS_STMT_COMMIT:
638  if (!EndTransactionBlock(stmt->chain))
639  {
640  /* report unsuccessful commit in qc */
641  if (qc)
642  SetQueryCompletion(qc, CMDTAG_ROLLBACK, 0);
643  }
644  break;
645 
646  case TRANS_STMT_PREPARE:
647  if (!PrepareTransactionBlock(stmt->gid))
648  {
649  /* report unsuccessful commit in qc */
650  if (qc)
651  SetQueryCompletion(qc, CMDTAG_ROLLBACK, 0);
652  }
653  break;
654 
655  case TRANS_STMT_COMMIT_PREPARED:
656  PreventInTransactionBlock(isTopLevel, "COMMIT PREPARED");
657  FinishPreparedTransaction(stmt->gid, true);
658  break;
659 
660  case TRANS_STMT_ROLLBACK_PREPARED:
661  PreventInTransactionBlock(isTopLevel, "ROLLBACK PREPARED");
662  FinishPreparedTransaction(stmt->gid, false);
663  break;
664 
665  case TRANS_STMT_ROLLBACK:
666  UserAbortTransactionBlock(stmt->chain);
667  break;
668 
669  case TRANS_STMT_SAVEPOINT:
670  RequireTransactionBlock(isTopLevel, "SAVEPOINT");
671  DefineSavepoint(stmt->savepoint_name);
672  break;
673 
674  case TRANS_STMT_RELEASE:
675  RequireTransactionBlock(isTopLevel, "RELEASE SAVEPOINT");
676  ReleaseSavepoint(stmt->savepoint_name);
677  break;
678 
679  case TRANS_STMT_ROLLBACK_TO:
680  RequireTransactionBlock(isTopLevel, "ROLLBACK TO SAVEPOINT");
681  RollbackToSavepoint(stmt->savepoint_name);
682 
683  /*
684  * CommitTransactionCommand is in charge of
685  * re-defining the savepoint again
686  */
687  break;
688  }
689  }
690  break;
691 
692  /*
693  * Portal (cursor) manipulation
694  */
695  case T_DeclareCursorStmt:
696  PerformCursorOpen(pstate, (DeclareCursorStmt *) parsetree, params,
697  isTopLevel);
698  break;
699 
700  case T_ClosePortalStmt:
701  {
702  ClosePortalStmt *stmt = (ClosePortalStmt *) parsetree;
703 
704  CheckRestrictedOperation("CLOSE");
705  PerformPortalClose(stmt->portalname);
706  }
707  break;
708 
709  case T_FetchStmt:
710  PerformPortalFetch((FetchStmt *) parsetree, dest, qc);
711  break;
712 
713  case T_DoStmt:
714  ExecuteDoStmt(pstate, (DoStmt *) parsetree, isAtomicContext);
715  break;
716 
717  case T_CreateTableSpaceStmt:
718  /* no event triggers for global objects */
719  PreventInTransactionBlock(isTopLevel, "CREATE TABLESPACE");
720  CreateTableSpace((CreateTableSpaceStmt *) parsetree);
721  break;
722 
723  case T_DropTableSpaceStmt:
724  /* no event triggers for global objects */
725  PreventInTransactionBlock(isTopLevel, "DROP TABLESPACE");
726  DropTableSpace((DropTableSpaceStmt *) parsetree);
727  break;
728 
729  case T_AlterTableSpaceOptionsStmt:
730  /* no event triggers for global objects */
731  AlterTableSpaceOptions((AlterTableSpaceOptionsStmt *) parsetree);
732  break;
733 
734  case T_TruncateStmt:
735  ExecuteTruncate((TruncateStmt *) parsetree);
736  break;
737 
738  case T_CopyStmt:
739  {
740  uint64 processed;
741 
742  DoCopy(pstate, (CopyStmt *) parsetree,
743  pstmt->stmt_location, pstmt->stmt_len,
744  &processed);
745  if (qc)
746  SetQueryCompletion(qc, CMDTAG_COPY, processed);
747  }
748  break;
749 
750  case T_PrepareStmt:
751  CheckRestrictedOperation("PREPARE");
752  PrepareQuery(pstate, (PrepareStmt *) parsetree,
753  pstmt->stmt_location, pstmt->stmt_len);
754  break;
755 
756  case T_ExecuteStmt:
757  ExecuteQuery(pstate,
758  (ExecuteStmt *) parsetree, NULL,
759  params,
760  dest, qc);
761  break;
762 
763  case T_DeallocateStmt:
764  CheckRestrictedOperation("DEALLOCATE");
765  DeallocateQuery((DeallocateStmt *) parsetree);
766  break;
767 
768  case T_GrantRoleStmt:
769  /* no event triggers for global objects */
770  GrantRole(pstate, (GrantRoleStmt *) parsetree);
771  break;
772 
773  case T_CreatedbStmt:
774  /* no event triggers for global objects */
775  PreventInTransactionBlock(isTopLevel, "CREATE DATABASE");
776  createdb(pstate, (CreatedbStmt *) parsetree);
777  break;
778 
779  case T_AlterDatabaseStmt:
780  /* no event triggers for global objects */
781  AlterDatabase(pstate, (AlterDatabaseStmt *) parsetree, isTopLevel);
782  break;
783 
784  case T_AlterDatabaseRefreshCollStmt:
785  /* no event triggers for global objects */
786  AlterDatabaseRefreshColl((AlterDatabaseRefreshCollStmt *) parsetree);
787  break;
788 
789  case T_AlterDatabaseSetStmt:
790  /* no event triggers for global objects */
791  AlterDatabaseSet((AlterDatabaseSetStmt *) parsetree);
792  break;
793 
794  case T_DropdbStmt:
795  /* no event triggers for global objects */
796  PreventInTransactionBlock(isTopLevel, "DROP DATABASE");
797  DropDatabase(pstate, (DropdbStmt *) parsetree);
798  break;
799 
800  /* Query-level asynchronous notification */
801  case T_NotifyStmt:
802  {
803  NotifyStmt *stmt = (NotifyStmt *) parsetree;
804 
805  Async_Notify(stmt->conditionname, stmt->payload);
806  }
807  break;
808 
809  case T_ListenStmt:
810  {
811  ListenStmt *stmt = (ListenStmt *) parsetree;
812 
813  CheckRestrictedOperation("LISTEN");
814 
815  /*
816  * We don't allow LISTEN in background processes, as there is
817  * no mechanism for them to collect NOTIFY messages, so they'd
818  * just block cleanout of the async SLRU indefinitely.
819  * (Authors of custom background workers could bypass this
820  * restriction by calling Async_Listen directly, but then it's
821  * on them to provide some mechanism to process the message
822  * queue.) Note there seems no reason to forbid UNLISTEN.
823  */
824  if (MyBackendType != B_BACKEND)
825  ereport(ERROR,
826  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
827  /* translator: %s is name of a SQL command, eg LISTEN */
828  errmsg("cannot execute %s within a background process",
829  "LISTEN")));
830 
831  Async_Listen(stmt->conditionname);
832  }
833  break;
834 
835  case T_UnlistenStmt:
836  {
837  UnlistenStmt *stmt = (UnlistenStmt *) parsetree;
838 
839  CheckRestrictedOperation("UNLISTEN");
840  if (stmt->conditionname)
841  Async_Unlisten(stmt->conditionname);
842  else
843  Async_UnlistenAll();
844  }
845  break;
846 
847  case T_LoadStmt:
848  {
849  LoadStmt *stmt = (LoadStmt *) parsetree;
850 
851  closeAllVfds(); /* probably not necessary... */
852  /* Allowed names are restricted if you're not superuser */
853  load_file(stmt->filename, !superuser());
854  }
855  break;
856 
857  case T_CallStmt:
858  ExecuteCallStmt(castNode(CallStmt, parsetree), params, isAtomicContext, dest);
859  break;
860 
861  case T_ClusterStmt:
862  cluster(pstate, (ClusterStmt *) parsetree, isTopLevel);
863  break;
864 
865  case T_VacuumStmt:
866  ExecVacuum(pstate, (VacuumStmt *) parsetree, isTopLevel);
867  break;
868 
869  case T_ExplainStmt:
870  ExplainQuery(pstate, (ExplainStmt *) parsetree, params, dest);
871  break;
872 
873  case T_AlterSystemStmt:
874  PreventInTransactionBlock(isTopLevel, "ALTER SYSTEM");
875  AlterSystemSetConfigFile((AlterSystemStmt *) parsetree);
876  break;
877 
878  case T_VariableSetStmt:
879  ExecSetVariableStmt((VariableSetStmt *) parsetree, isTopLevel);
880  break;
881 
882  case T_VariableShowStmt:
883  {
884  VariableShowStmt *n = (VariableShowStmt *) parsetree;
885 
886  GetPGVariable(n->name, dest);
887  }
888  break;
889 
890  case T_DiscardStmt:
891  /* should we allow DISCARD PLANS? */
892  CheckRestrictedOperation("DISCARD");
893  DiscardCommand((DiscardStmt *) parsetree, isTopLevel);
894  break;
895 
896  case T_CreateEventTrigStmt:
897  /* no event triggers on event triggers */
898  CreateEventTrigger((CreateEventTrigStmt *) parsetree);
899  break;
900 
901  case T_AlterEventTrigStmt:
902  /* no event triggers on event triggers */
903  AlterEventTrigger((AlterEventTrigStmt *) parsetree);
904  break;
905 
906  /*
907  * ******************************** ROLE statements ****
908  */
909  case T_CreateRoleStmt:
910  /* no event triggers for global objects */
911  CreateRole(pstate, (CreateRoleStmt *) parsetree);
912  break;
913 
914  case T_AlterRoleStmt:
915  /* no event triggers for global objects */
916  AlterRole(pstate, (AlterRoleStmt *) parsetree);
917  break;
918 
919  case T_AlterRoleSetStmt:
920  /* no event triggers for global objects */
921  AlterRoleSet((AlterRoleSetStmt *) parsetree);
922  break;
923 
924  case T_DropRoleStmt:
925  /* no event triggers for global objects */
926  DropRole((DropRoleStmt *) parsetree);
927  break;
928 
929  case T_ReassignOwnedStmt:
930  /* no event triggers for global objects */
931  ReassignOwnedObjects((ReassignOwnedStmt *) parsetree);
932  break;
933 
934  case T_LockStmt:
935 
936  /*
937  * Since the lock would just get dropped immediately, LOCK TABLE
938  * outside a transaction block is presumed to be user error.
939  */
940  RequireTransactionBlock(isTopLevel, "LOCK TABLE");
941  LockTableCommand((LockStmt *) parsetree);
942  break;
943 
944  case T_ConstraintsSetStmt:
945  WarnNoTransactionBlock(isTopLevel, "SET CONSTRAINTS");
946  AfterTriggerSetState((ConstraintsSetStmt *) parsetree);
947  break;
948 
949  case T_CheckPointStmt:
950  if (!has_privs_of_role(GetUserId(), ROLE_PG_CHECKPOINT))
951  ereport(ERROR,
952  (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
953  errmsg("permission denied to execute %s command",
954  "CHECKPOINT"),
955  errdetail("Only roles with privileges of the \"%s\" role may execute this command.",
956  "pg_checkpoint")));
957 
958  RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_WAIT |
959  (RecoveryInProgress() ? 0 : CHECKPOINT_FORCE));
960  break;
961 
962  case T_ReindexStmt:
963  ExecReindex(pstate, (ReindexStmt *) parsetree, isTopLevel);
964  break;
965 
966  /*
967  * The following statements are supported by Event Triggers only
968  * in some cases, so we "fast path" them in the other cases.
969  */
970 
971  case T_GrantStmt:
972  {
973  GrantStmt *stmt = (GrantStmt *) parsetree;
974 
975  if (EventTriggerSupportsObjectType(stmt->objtype))
976  ProcessUtilitySlow(pstate, pstmt, queryString,
977  context, params, queryEnv,
978  dest, qc);
979  else
980  ExecuteGrantStmt(stmt);
981  }
982  break;
983 
984  case T_DropStmt:
985  {
986  DropStmt *stmt = (DropStmt *) parsetree;
987 
988  if (EventTriggerSupportsObjectType(stmt->removeType))
989  ProcessUtilitySlow(pstate, pstmt, queryString,
990  context, params, queryEnv,
991  dest, qc);
992  else
993  ExecDropStmt(stmt, isTopLevel);
994  }
995  break;
996 
997  case T_RenameStmt:
998  {
999  RenameStmt *stmt = (RenameStmt *) parsetree;
1000 
1001  if (EventTriggerSupportsObjectType(stmt->renameType))
1002  ProcessUtilitySlow(pstate, pstmt, queryString,
1003  context, params, queryEnv,
1004  dest, qc);
1005  else
1006  ExecRenameStmt(stmt);
1007  }
1008  break;
1009 
1010  case T_AlterObjectDependsStmt:
1011  {
1012  AlterObjectDependsStmt *stmt = (AlterObjectDependsStmt *) parsetree;
1013 
1014  if (EventTriggerSupportsObjectType(stmt->objectType))
1015  ProcessUtilitySlow(pstate, pstmt, queryString,
1016  context, params, queryEnv,
1017  dest, qc);
1018  else
1019  ExecAlterObjectDependsStmt(stmt, NULL);
1020  }
1021  break;
1022 
1023  case T_AlterObjectSchemaStmt:
1024  {
1025  AlterObjectSchemaStmt *stmt = (AlterObjectSchemaStmt *) parsetree;
1026 
1027  if (EventTriggerSupportsObjectType(stmt->objectType))
1028  ProcessUtilitySlow(pstate, pstmt, queryString,
1029  context, params, queryEnv,
1030  dest, qc);
1031  else
1032  ExecAlterObjectSchemaStmt(stmt, NULL);
1033  }
1034  break;
1035 
1036  case T_AlterOwnerStmt:
1037  {
1038  AlterOwnerStmt *stmt = (AlterOwnerStmt *) parsetree;
1039 
1040  if (EventTriggerSupportsObjectType(stmt->objectType))
1041  ProcessUtilitySlow(pstate, pstmt, queryString,
1042  context, params, queryEnv,
1043  dest, qc);
1044  else
1045  ExecAlterOwnerStmt(stmt);
1046  }
1047  break;
1048 
1049  case T_CommentStmt:
1050  {
1051  CommentStmt *stmt = (CommentStmt *) parsetree;
1052 
1053  if (EventTriggerSupportsObjectType(stmt->objtype))
1054  ProcessUtilitySlow(pstate, pstmt, queryString,
1055  context, params, queryEnv,
1056  dest, qc);
1057  else
1058  CommentObject(stmt);
1059  break;
1060  }
1061 
1062  case T_SecLabelStmt:
1063  {
1064  SecLabelStmt *stmt = (SecLabelStmt *) parsetree;
1065 
1066  if (EventTriggerSupportsObjectType(stmt->objtype))
1067  ProcessUtilitySlow(pstate, pstmt, queryString,
1068  context, params, queryEnv,
1069  dest, qc);
1070  else
1071  ExecSecLabelStmt(stmt);
1072  break;
1073  }
1074 
1075  default:
1076  /* All other statement types have event trigger support */
1077  ProcessUtilitySlow(pstate, pstmt, queryString,
1078  context, params, queryEnv,
1079  dest, qc);
1080  break;
1081  }
1082 
1083  free_parsestate(pstate);
1084 
1085  /*
1086  * Make effects of commands visible, for instance so that
1087  * PreCommit_on_commit_actions() can see them (see for example bug
1088  * #15631).
1089  */
1090  CommandCounterIncrement();
1091 }
has_privs_of_role
bool has_privs_of_role(Oid member, Oid role)
Definition: acl.c:4969
ExecuteGrantStmt
void ExecuteGrantStmt(GrantStmt *stmt)
Definition: aclchk.c:382
ExecAlterOwnerStmt
ObjectAddress ExecAlterOwnerStmt(AlterOwnerStmt *stmt)
Definition: alter.c:864
ExecAlterObjectDependsStmt
ObjectAddress ExecAlterObjectDependsStmt(AlterObjectDependsStmt *stmt, ObjectAddress *refAddress)
Definition: alter.c:459
ExecRenameStmt
ObjectAddress ExecRenameStmt(RenameStmt *stmt)
Definition: alter.c:359
ExecAlterObjectSchemaStmt
ObjectAddress ExecAlterObjectSchemaStmt(AlterObjectSchemaStmt *stmt, ObjectAddress *oldSchemaAddr)
Definition: alter.c:523
Async_UnlistenAll
void Async_UnlistenAll(void)
Definition: async.c:804
Async_Unlisten
void Async_Unlisten(const char *channel)
Definition: async.c:786
Async_Listen
void Async_Listen(const char *channel)
Definition: async.c:772
Async_Notify
void Async_Notify(const char *channel, const char *payload)
Definition: async.c:625
DoCopy
void DoCopy(ParseState *pstate, const CopyStmt *stmt, int stmt_location, int stmt_len, uint64 *processed)
Definition: copy.c:64
PrepareQuery
void PrepareQuery(ParseState *pstate, PrepareStmt *stmt, int stmt_location, int stmt_len)
Definition: prepare.c:59
ExecuteQuery
void ExecuteQuery(ParseState *pstate, ExecuteStmt *stmt, IntoClause *intoClause, ParamListInfo params, DestReceiver *dest, QueryCompletion *qc)
Definition: prepare.c:150
DeallocateQuery
void DeallocateQuery(DeallocateStmt *stmt)
Definition: prepare.c:505
AlterTableSpaceOptions
Oid AlterTableSpaceOptions(AlterTableSpaceOptionsStmt *stmt)
Definition: tablespace.c:1021
DropTableSpace
void DropTableSpace(DropTableSpaceStmt *stmt)
Definition: tablespace.c:401
CreateTableSpace
Oid CreateTableSpace(CreateTableSpaceStmt *stmt)
Definition: tablespace.c:214
RequestCheckpoint
void RequestCheckpoint(int flags)
Definition: checkpointer.c:930
cluster
void cluster(ParseState *pstate, ClusterStmt *stmt, bool isTopLevel)
Definition: cluster.c:111
SetQueryCompletion
static void SetQueryCompletion(QueryCompletion *qc, CommandTag commandTag, uint64 nprocessed)
Definition: cmdtag.h:38
CommentObject
ObjectAddress CommentObject(CommentStmt *stmt)
Definition: comment.c:40
AlterDatabaseRefreshColl
ObjectAddress AlterDatabaseRefreshColl(AlterDatabaseRefreshCollStmt *stmt)
Definition: dbcommands.c:2395
createdb
Oid createdb(ParseState *pstate, const CreatedbStmt *stmt)
Definition: dbcommands.c:671
AlterDatabase
Oid AlterDatabase(ParseState *pstate, AlterDatabaseStmt *stmt, bool isTopLevel)
Definition: dbcommands.c:2232
DropDatabase
void DropDatabase(ParseState *pstate, DropdbStmt *stmt)
Definition: dbcommands.c:2207
AlterDatabaseSet
Oid AlterDatabaseSet(AlterDatabaseSetStmt *stmt)
Definition: dbcommands.c:2478
load_file
void load_file(const char *filename, bool restricted)
Definition: dfmgr.c:144
DiscardCommand
void DiscardCommand(DiscardStmt *stmt, bool isTopLevel)
Definition: discard.c:31
errdetail
int errdetail(const char *fmt,...)
Definition: elog.c:1202
errcode
int errcode(int sqlerrcode)
Definition: elog.c:858
errmsg
int errmsg(const char *fmt,...)
Definition: elog.c:1069
ERROR
#define ERROR
Definition: elog.h:39
ereport
#define ereport(elevel,...)
Definition: elog.h:149
EventTriggerSupportsObjectType
bool EventTriggerSupportsObjectType(ObjectType obtype)
Definition: event_trigger.c:935
CreateEventTrigger
Oid CreateEventTrigger(CreateEventTrigStmt *stmt)
Definition: event_trigger.c:108
AlterEventTrigger
Oid AlterEventTrigger(AlterEventTrigStmt *stmt)
Definition: event_trigger.c:361
ExplainQuery
void ExplainQuery(ParseState *pstate, ExplainStmt *stmt, ParamListInfo params, DestReceiver *dest)
Definition: explain.c:164
closeAllVfds
void closeAllVfds(void)
Definition: fd.c:2917
ExecuteCallStmt
void ExecuteCallStmt(CallStmt *stmt, ParamListInfo params, bool atomic, DestReceiver *dest)
Definition: functioncmds.c:2176
ExecuteDoStmt
void ExecuteDoStmt(ParseState *pstate, DoStmt *stmt, bool atomic)
Definition: functioncmds.c:2054
AlterSystemSetConfigFile
void AlterSystemSetConfigFile(AlterSystemStmt *altersysstmt)
Definition: guc.c:4450
GetPGVariable
void GetPGVariable(const char *name, DestReceiver *dest)
Definition: guc_funcs.c:382
SetPGVariable
void SetPGVariable(const char *name, List *args, bool is_local)
Definition: guc_funcs.c:315
ExecSetVariableStmt
void ExecSetVariableStmt(VariableSetStmt *stmt, bool isTopLevel)
Definition: guc_funcs.c:43
ExecReindex
void ExecReindex(ParseState *pstate, ReindexStmt *stmt, bool isTopLevel)
Definition: indexcmds.c:2661
LockTableCommand
void LockTableCommand(LockStmt *lockstmt)
Definition: lockcmds.c:43
B_BACKEND
@ B_BACKEND
Definition: miscadmin.h:332
GetUserId
Oid GetUserId(void)
Definition: miscinit.c:510
MyBackendType
BackendType MyBackendType
Definition: miscinit.c:63
copyObject
#define copyObject(obj)
Definition: nodes.h:244
castNode
#define castNode(_type_, nodeptr)
Definition: nodes.h:197
free_parsestate
void free_parsestate(ParseState *pstate)
Definition: parse_node.c:77
make_parsestate
ParseState * make_parsestate(ParseState *parentParseState)
Definition: parse_node.c:44
list_make1
#define list_make1(x1)
Definition: pg_list.h:212
PerformCursorOpen
void PerformCursorOpen(ParseState *pstate, DeclareCursorStmt *cstmt, ParamListInfo params, bool isTopLevel)
Definition: portalcmds.c:43
PerformPortalClose
void PerformPortalClose(const char *name)
Definition: portalcmds.c:214
PerformPortalFetch
void PerformPortalFetch(FetchStmt *stmt, DestReceiver *dest, QueryCompletion *qc)
Definition: portalcmds.c:167
check_stack_depth
void check_stack_depth(void)
Definition: postgres.c:3508
ExecSecLabelStmt
ObjectAddress ExecSecLabelStmt(SecLabelStmt *stmt)
Definition: seclabel.c:115
DefElem::arg
Node * arg
Definition: parsenodes.h:811
Node
Definition: nodes.h:129
ParseState::p_queryEnv
QueryEnvironment * p_queryEnv
Definition: parse_node.h:219
ParseState::p_sourcetext
const char * p_sourcetext
Definition: parse_node.h:192
superuser
bool superuser(void)
Definition: superuser.c:46
ExecuteTruncate
void ExecuteTruncate(TruncateStmt *stmt)
Definition: tablecmds.c:1667
AfterTriggerSetState
void AfterTriggerSetState(ConstraintsSetStmt *stmt)
Definition: trigger.c:5616
FinishPreparedTransaction
void FinishPreparedTransaction(const char *gid, bool isCommit)
Definition: twophase.c:1480
ReassignOwnedObjects
void ReassignOwnedObjects(ReassignOwnedStmt *stmt)
Definition: user.c:1618
AlterRole
Oid AlterRole(ParseState *pstate, AlterRoleStmt *stmt)
Definition: user.c:620
AlterRoleSet
Oid AlterRoleSet(AlterRoleSetStmt *stmt)
Definition: user.c:1001
DropRole
void DropRole(DropRoleStmt *stmt)
Definition: user.c:1091
CreateRole
Oid CreateRole(ParseState *pstate, CreateRoleStmt *stmt)
Definition: user.c:133
GrantRole
void GrantRole(ParseState *pstate, GrantRoleStmt *stmt)
Definition: user.c:1487
ClassifyUtilityCommandAsReadOnly
static int ClassifyUtilityCommandAsReadOnly(Node *parsetree)
Definition: utility.c:135
PreventCommandIfReadOnly
void PreventCommandIfReadOnly(const char *cmdname)
Definition: utility.c:411
PreventCommandIfParallelMode
void PreventCommandIfParallelMode(const char *cmdname)
Definition: utility.c:429
ExecDropStmt
static void ExecDropStmt(DropStmt *stmt, bool isTopLevel)
Definition: utility.c:1995
CheckRestrictedOperation
static void CheckRestrictedOperation(const char *cmdname)
Definition: utility.c:466
PreventCommandDuringRecovery
void PreventCommandDuringRecovery(const char *cmdname)
Definition: utility.c:448
ProcessUtilitySlow
static void ProcessUtilitySlow(ParseState *pstate, PlannedStmt *pstmt, const char *queryString, ProcessUtilityContext context, ParamListInfo params, QueryEnvironment *queryEnv, DestReceiver *dest, QueryCompletion *qc)
Definition: utility.c:1099
COMMAND_OK_IN_PARALLEL_MODE
#define COMMAND_OK_IN_PARALLEL_MODE
Definition: utility.h:57
COMMAND_IS_STRICTLY_READ_ONLY
#define COMMAND_IS_STRICTLY_READ_ONLY
Definition: utility.h:65
ExecVacuum
void ExecVacuum(ParseState *pstate, VacuumStmt *vacstmt, bool isTopLevel)
Definition: vacuum.c:151
WarnNoTransactionBlock
void WarnNoTransactionBlock(bool isTopLevel, const char *stmtType)
Definition: xact.c:3552
UserAbortTransactionBlock
void UserAbortTransactionBlock(bool chain)
Definition: xact.c:4049
PrepareTransactionBlock
bool PrepareTransactionBlock(const char *gid)
Definition: xact.c:3837
RequireTransactionBlock
void RequireTransactionBlock(bool isTopLevel, const char *stmtType)
Definition: xact.c:3558
DefineSavepoint
void DefineSavepoint(const char *name)
Definition: xact.c:4218
XactReadOnly
bool XactReadOnly
Definition: xact.c:82
CommandCounterIncrement
void CommandCounterIncrement(void)
Definition: xact.c:1078
PreventInTransactionBlock
void PreventInTransactionBlock(bool isTopLevel, const char *stmtType)
Definition: xact.c:3480
ReleaseSavepoint
void ReleaseSavepoint(const char *name)
Definition: xact.c:4303
IsTransactionBlock
bool IsTransactionBlock(void)
Definition: xact.c:4815
IsInParallelMode
bool IsInParallelMode(void)
Definition: xact.c:1069
BeginTransactionBlock
void BeginTransactionBlock(void)
Definition: xact.c:3769
RollbackToSavepoint
void RollbackToSavepoint(const char *name)
Definition: xact.c:4412
EndTransactionBlock
bool EndTransactionBlock(bool chain)
Definition: xact.c:3889
RecoveryInProgress
bool RecoveryInProgress(void)
Definition: xlog.c:5921
CHECKPOINT_FORCE
#define CHECKPOINT_FORCE
Definition: xlog.h:137
CHECKPOINT_WAIT
#define CHECKPOINT_WAIT
Definition: xlog.h:140
CHECKPOINT_IMMEDIATE
#define CHECKPOINT_IMMEDIATE
Definition: xlog.h:136

References AfterTriggerSetState(), AlterDatabase(), AlterDatabaseRefreshColl(), AlterDatabaseSet(), AlterEventTrigger(), AlterRole(), AlterRoleSet(), AlterSystemSetConfigFile(), AlterTableSpaceOptions(), DefElem::arg, Async_Listen(), Async_Notify(), Async_Unlisten(), Async_UnlistenAll(), B_BACKEND, BeginTransactionBlock(), castNode, check_stack_depth(), CHECKPOINT_FORCE, CHECKPOINT_IMMEDIATE, CHECKPOINT_WAIT, CheckRestrictedOperation(), ClassifyUtilityCommandAsReadOnly(), closeAllVfds(), cluster(), COMMAND_IS_STRICTLY_READ_ONLY, COMMAND_OK_IN_PARALLEL_MODE, COMMAND_OK_IN_READ_ONLY_TXN, COMMAND_OK_IN_RECOVERY, CommandCounterIncrement(), CommentObject(), copyObject, CreateCommandTag(), createdb(), CreateEventTrigger(), CreateRole(), CreateTableSpace(), DeallocateQuery(), DefineSavepoint(), DefElem::defname, generate_unaccent_rules::dest, DiscardCommand(), DoCopy(), DropDatabase(), DropRole(), DropTableSpace(), EndTransactionBlock(), ereport, errcode(), errdetail(), errmsg(), ERROR, EventTriggerSupportsObjectType(), ExecAlterObjectDependsStmt(), ExecAlterObjectSchemaStmt(), ExecAlterOwnerStmt(), ExecDropStmt(), ExecReindex(), ExecRenameStmt(), ExecSecLabelStmt(), ExecSetVariableStmt(), ExecuteCallStmt(), ExecuteDoStmt(), ExecuteGrantStmt(), ExecuteQuery(), ExecuteTruncate(), ExecVacuum(), ExplainQuery(), FinishPreparedTransaction(), free_parsestate(), GetCommandTagName(), GetPGVariable(), GetUserId(), GrantRole(), has_privs_of_role(), IsInParallelMode(), IsTransactionBlock(), lfirst, list_make1, load_file(), LockTableCommand(), make_parsestate(), MyBackendType, VariableShowStmt::name, nodeTag, ParseState::p_queryEnv, ParseState::p_sourcetext, PerformCursorOpen(), PerformPortalClose(), PerformPortalFetch(), PrepareQuery(), PrepareTransactionBlock(), PreventCommandDuringRecovery(), PreventCommandIfParallelMode(), PreventCommandIfReadOnly(), PreventInTransactionBlock(), PROCESS_UTILITY_QUERY_NONATOMIC, PROCESS_UTILITY_TOPLEVEL, ProcessUtilitySlow(), ReassignOwnedObjects(), RecoveryInProgress(), ReleaseSavepoint(), RequestCheckpoint(), RequireTransactionBlock(), RollbackToSavepoint(), SetPGVariable(), SetQueryCompletion(), stmt, PlannedStmt::stmt_len, PlannedStmt::stmt_location, superuser(), TRANS_STMT_BEGIN, TRANS_STMT_COMMIT, TRANS_STMT_COMMIT_PREPARED, TRANS_STMT_PREPARE, TRANS_STMT_RELEASE, TRANS_STMT_ROLLBACK, TRANS_STMT_ROLLBACK_PREPARED, TRANS_STMT_ROLLBACK_TO, TRANS_STMT_SAVEPOINT, TRANS_STMT_START, UserAbortTransactionBlock(), PlannedStmt::utilityStmt, WarnNoTransactionBlock(), and XactReadOnly.

Referenced by pgss_ProcessUtility(), ProcessUtility(), REGRESS_utility_command(), and sepgsql_utility_command().

◆ UtilityContainsQuery()

Query* UtilityContainsQuery ( Node *  parsetree)

Definition at line 2180 of file utility.c.

2181 {
2182  Query *qry;
2183 
2184  switch (nodeTag(parsetree))
2185  {
2186  case T_DeclareCursorStmt:
2187  qry = castNode(Query, ((DeclareCursorStmt *) parsetree)->query);
2188  if (qry->commandType == CMD_UTILITY)
2189  return UtilityContainsQuery(qry->utilityStmt);
2190  return qry;
2191 
2192  case T_ExplainStmt:
2193  qry = castNode(Query, ((ExplainStmt *) parsetree)->query);
2194  if (qry->commandType == CMD_UTILITY)
2195  return UtilityContainsQuery(qry->utilityStmt);
2196  return qry;
2197 
2198  case T_CreateTableAsStmt:
2199  qry = castNode(Query, ((CreateTableAsStmt *) parsetree)->query);
2200  if (qry->commandType == CMD_UTILITY)
2201  return UtilityContainsQuery(qry->utilityStmt);
2202  return qry;
2203 
2204  default:
2205  return NULL;
2206  }
2207 }
Query::commandType
CmdType commandType
Definition: parsenodes.h:128
Query::utilityStmt
Node * utilityStmt
Definition: parsenodes.h:143
UtilityContainsQuery
Query * UtilityContainsQuery(Node *parsetree)
Definition: utility.c:2180

References castNode, CMD_UTILITY, Query::commandType, nodeTag, and Query::utilityStmt.

Referenced by AcquireExecutorLocks(), AcquirePlannerLocks(), extract_query_dependencies_walker(), and ResetPlanCache().

◆ UtilityReturnsTuples()

bool UtilityReturnsTuples ( Node *  parsetree)

Definition at line 2028 of file utility.c.

2029 {
2030  switch (nodeTag(parsetree))
2031  {
2032  case T_CallStmt:
2033  {
2034  CallStmt *stmt = (CallStmt *) parsetree;
2035 
2036  return (stmt->funcexpr->funcresulttype == RECORDOID);
2037  }
2038  case T_FetchStmt:
2039  {
2040  FetchStmt *stmt = (FetchStmt *) parsetree;
2041  Portal portal;
2042 
2043  if (stmt->ismove)
2044  return false;
2045  portal = GetPortalByName(stmt->portalname);
2046  if (!PortalIsValid(portal))
2047  return false; /* not our business to raise error */
2048  return portal->tupDesc ? true : false;
2049  }
2050 
2051  case T_ExecuteStmt:
2052  {
2053  ExecuteStmt *stmt = (ExecuteStmt *) parsetree;
2054  PreparedStatement *entry;
2055 
2056  entry = FetchPreparedStatement(stmt->name, false);
2057  if (!entry)
2058  return false; /* not our business to raise error */
2059  if (entry->plansource->resultDesc)
2060  return true;
2061  return false;
2062  }
2063 
2064  case T_ExplainStmt:
2065  return true;
2066 
2067  case T_VariableShowStmt:
2068  return true;
2069 
2070  default:
2071  return false;
2072  }
2073 }
true
return true
Definition: isn.c:126
PortalIsValid
#define PortalIsValid(p)
Definition: portal.h:212
GetPortalByName
Portal GetPortalByName(const char *name)
Definition: portalmem.c:131
CachedPlanSource::resultDesc
TupleDesc resultDesc
Definition: plancache.h:108
PortalData::tupDesc
TupleDesc tupDesc
Definition: portal.h:160
PreparedStatement::plansource
CachedPlanSource * plansource
Definition: prepare.h:31

References FetchPreparedStatement(), GetPortalByName(), nodeTag, PreparedStatement::plansource, PortalIsValid, CachedPlanSource::resultDesc, stmt, true, and PortalData::tupDesc.

Referenced by ChoosePortalStrategy().

◆ UtilityTupleDescriptor()

TupleDesc UtilityTupleDescriptor ( Node *  parsetree)

Definition at line 2084 of file utility.c.

2085 {
2086  switch (nodeTag(parsetree))
2087  {
2088  case T_CallStmt:
2089  return CallStmtResultDesc((CallStmt *) parsetree);
2090 
2091  case T_FetchStmt:
2092  {
2093  FetchStmt *stmt = (FetchStmt *) parsetree;
2094  Portal portal;
2095 
2096  if (stmt->ismove)
2097  return NULL;
2098  portal = GetPortalByName(stmt->portalname);
2099  if (!PortalIsValid(portal))
2100  return NULL; /* not our business to raise error */
2101  return CreateTupleDescCopy(portal->tupDesc);
2102  }
2103 
2104  case T_ExecuteStmt:
2105  {
2106  ExecuteStmt *stmt = (ExecuteStmt *) parsetree;
2107  PreparedStatement *entry;
2108 
2109  entry = FetchPreparedStatement(stmt->name, false);
2110  if (!entry)
2111  return NULL; /* not our business to raise error */
2112  return FetchPreparedStatementResultDesc(entry);
2113  }
2114 
2115  case T_ExplainStmt:
2116  return ExplainResultDesc((ExplainStmt *) parsetree);
2117 
2118  case T_VariableShowStmt:
2119  {
2120  VariableShowStmt *n = (VariableShowStmt *) parsetree;
2121 
2122  return GetPGVariableResultDesc(n->name);
2123  }
2124 
2125  default:
2126  return NULL;
2127  }
2128 }
FetchPreparedStatementResultDesc
TupleDesc FetchPreparedStatementResultDesc(PreparedStatement *stmt)
Definition: prepare.c:466
ExplainResultDesc
TupleDesc ExplainResultDesc(ExplainStmt *stmt)
Definition: explain.c:337
CallStmtResultDesc
TupleDesc CallStmtResultDesc(CallStmt *stmt)
Definition: functioncmds.c:2353
GetPGVariableResultDesc
TupleDesc GetPGVariableResultDesc(const char *name)
Definition: guc_funcs.c:394
CreateTupleDescCopy
TupleDesc CreateTupleDescCopy(TupleDesc tupdesc)
Definition: tupdesc.c:111

References CallStmtResultDesc(), CreateTupleDescCopy(), ExplainResultDesc(), FetchPreparedStatement(), FetchPreparedStatementResultDesc(), GetPGVariableResultDesc(), GetPortalByName(), VariableShowStmt::name, nodeTag, PortalIsValid, stmt, and PortalData::tupDesc.

Referenced by PlanCacheComputeResultDesc(), and PortalStart().

Variable Documentation

◆ ProcessUtility_hook

PGDLLIMPORT ProcessUtility_hook_type ProcessUtility_hook
extern

Definition at line 77 of file utility.c.

Referenced by _PG_init(), and ProcessUtility().