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📄 alter.h(1.11 KB)
📄 async.h(1.8 KB)
📄 cluster.h(1.24 KB)
📄 collationcmds.h(704 B)
📄 comment.h(1.38 KB)
📄 conversioncmds.h(645 B)
📄 copy.h(1.25 KB)
📄 createas.h(845 B)
📄 dbcommands.h(1.19 KB)
📄 dbcommands_xlog.h(1.17 KB)
📄 defrem.h(6.42 KB)
📄 discard.h(471 B)
📄 event_trigger.h(3.35 KB)
📄 explain.h(3.63 KB)
📄 extension.h(1.69 KB)
📄 lockcmds.h(559 B)
📄 matview.h(938 B)
📄 policy.h(1.02 KB)
📄 portalcmds.h(896 B)
📄 prepare.h(2.06 KB)
📄 proclang.h(631 B)
📄 progress.h(1.37 KB)
📄 schemacmds.h(895 B)
📄 seclabel.h(979 B)
📄 sequence.h(2.1 KB)
📄 tablecmds.h(2.85 KB)
📄 tablespace.h(1.91 KB)
📄 trigger.h(6.84 KB)
📄 typecmds.h(2.17 KB)
📄 user.h(1.17 KB)
📄 vacuum.h(7.88 KB)
📄 variable.h(1.84 KB)
📄 view.h(679 B)

Editing: prepare.h

/*-------------------------------------------------------------------------
 *
 * prepare.h
 *	  PREPARE, EXECUTE and DEALLOCATE commands, and prepared-stmt storage
 *
 *
 * Copyright (c) 2002-2016, PostgreSQL Global Development Group
 *
 * src/include/commands/prepare.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef PREPARE_H
#define PREPARE_H

#include "commands/explain.h"
#include "datatype/timestamp.h"
#include "utils/plancache.h"

/*
 * The data structure representing a prepared statement.  This is now just
 * a thin veneer over a plancache entry --- the main addition is that of
 * a name.
 *
 * Note: all subsidiary storage lives in the referenced plancache entry.
 */
typedef struct
{
	/* dynahash.c requires key to be first field */
	char		stmt_name[NAMEDATALEN];
	CachedPlanSource *plansource;		/* the actual cached plan */
	bool		from_sql;		/* prepared via SQL, not FE/BE protocol? */
	TimestampTz prepare_time;	/* the time when the stmt was prepared */
} PreparedStatement;

/* Utility statements PREPARE, EXECUTE, DEALLOCATE, EXPLAIN EXECUTE */
extern void PrepareQuery(PrepareStmt *stmt, const char *queryString);
extern void ExecuteQuery(ExecuteStmt *stmt, IntoClause *intoClause,
			 const char *queryString, ParamListInfo params,
			 DestReceiver *dest, char *completionTag);
extern void DeallocateQuery(DeallocateStmt *stmt);
extern void ExplainExecuteQuery(ExecuteStmt *execstmt, IntoClause *into,
					ExplainState *es,
					const char *queryString, ParamListInfo params);

/* Low-level access to stored prepared statements */
extern void StorePreparedStatement(const char *stmt_name,
					   CachedPlanSource *plansource,
					   bool from_sql);
extern PreparedStatement *FetchPreparedStatement(const char *stmt_name,
					   bool throwError);
extern void DropPreparedStatement(const char *stmt_name, bool showError);
extern TupleDesc FetchPreparedStatementResultDesc(PreparedStatement *stmt);
extern List *FetchPreparedStatementTargetList(PreparedStatement *stmt);

extern void DropAllPreparedStatements(void);

#endif   /* PREPARE_H */

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Editing: prepare.h

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