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/*-------------------------------------------------------------------------
*
* utility.h
* prototypes for utility.c.
*
*
* Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/tcop/utility.h
*
*-------------------------------------------------------------------------
*/
#ifndef UTILITY_H
#define UTILITY_H
#include "tcop/tcopprot.h"
typedef enum
{
PROCESS_UTILITY_TOPLEVEL, /* toplevel interactive command */
PROCESS_UTILITY_QUERY, /* a complete query, but not toplevel */
PROCESS_UTILITY_QUERY_NONATOMIC, /* a complete query, nonatomic
* execution context */
PROCESS_UTILITY_SUBCOMMAND /* a portion of a query */
} ProcessUtilityContext;
/* Hook for plugins to get control in ProcessUtility() */
typedef void (*ProcessUtility_hook_type) (PlannedStmt *pstmt,
const char *queryString, ProcessUtilityContext context,
ParamListInfo params,
QueryEnvironment *queryEnv,
DestReceiver *dest, char *completionTag);
extern PGDLLIMPORT ProcessUtility_hook_type ProcessUtility_hook;
extern void ProcessUtility(PlannedStmt *pstmt, const char *queryString,
ProcessUtilityContext context, ParamListInfo params,
QueryEnvironment *queryEnv,
DestReceiver *dest, char *completionTag);
extern void standard_ProcessUtility(PlannedStmt *pstmt, const char *queryString,
ProcessUtilityContext context, ParamListInfo params,
QueryEnvironment *queryEnv,
DestReceiver *dest, char *completionTag);
extern bool UtilityReturnsTuples(Node *parsetree);
extern TupleDesc UtilityTupleDescriptor(Node *parsetree);
extern Query *UtilityContainsQuery(Node *parsetree);
extern const char *CreateCommandTag(Node *parsetree);
extern LogStmtLevel GetCommandLogLevel(Node *parsetree);
extern bool CommandIsReadOnly(PlannedStmt *pstmt);
#endif /* UTILITY_H */
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