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Initial commit
This commit is contained in:
593
builddir/postgresql-9.5.3/include/libpq-fe.h
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593
builddir/postgresql-9.5.3/include/libpq-fe.h
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@@ -0,0 +1,593 @@
|
||||
/*-------------------------------------------------------------------------
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*
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||||
* libpq-fe.h
|
||||
* This file contains definitions for structures and
|
||||
* externs for functions used by frontend postgres applications.
|
||||
*
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||||
* Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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||||
*
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||||
* src/interfaces/libpq/libpq-fe.h
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||||
*
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||||
*-------------------------------------------------------------------------
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||||
*/
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||||
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||||
#ifndef LIBPQ_FE_H
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||||
#define LIBPQ_FE_H
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||||
|
||||
#ifdef __cplusplus
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||||
extern "C"
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||||
{
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||||
#endif
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||||
|
||||
#include <stdio.h>
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||||
|
||||
/*
|
||||
* postgres_ext.h defines the backend's externally visible types,
|
||||
* such as Oid.
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||||
*/
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||||
#include "postgres_ext.h"
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||||
|
||||
/*
|
||||
* Option flags for PQcopyResult
|
||||
*/
|
||||
#define PG_COPYRES_ATTRS 0x01
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||||
#define PG_COPYRES_TUPLES 0x02 /* Implies PG_COPYRES_ATTRS */
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||||
#define PG_COPYRES_EVENTS 0x04
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||||
#define PG_COPYRES_NOTICEHOOKS 0x08
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||||
|
||||
/* Application-visible enum types */
|
||||
|
||||
/*
|
||||
* Although it is okay to add to these lists, values which become unused
|
||||
* should never be removed, nor should constants be redefined - that would
|
||||
* break compatibility with existing code.
|
||||
*/
|
||||
|
||||
typedef enum
|
||||
{
|
||||
CONNECTION_OK,
|
||||
CONNECTION_BAD,
|
||||
/* Non-blocking mode only below here */
|
||||
|
||||
/*
|
||||
* The existence of these should never be relied upon - they should only
|
||||
* be used for user feedback or similar purposes.
|
||||
*/
|
||||
CONNECTION_STARTED, /* Waiting for connection to be made. */
|
||||
CONNECTION_MADE, /* Connection OK; waiting to send. */
|
||||
CONNECTION_AWAITING_RESPONSE, /* Waiting for a response from the
|
||||
* postmaster. */
|
||||
CONNECTION_AUTH_OK, /* Received authentication; waiting for
|
||||
* backend startup. */
|
||||
CONNECTION_SETENV, /* Negotiating environment. */
|
||||
CONNECTION_SSL_STARTUP, /* Negotiating SSL. */
|
||||
CONNECTION_NEEDED /* Internal state: connect() needed */
|
||||
} ConnStatusType;
|
||||
|
||||
typedef enum
|
||||
{
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||||
PGRES_POLLING_FAILED = 0,
|
||||
PGRES_POLLING_READING, /* These two indicate that one may */
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||||
PGRES_POLLING_WRITING, /* use select before polling again. */
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||||
PGRES_POLLING_OK,
|
||||
PGRES_POLLING_ACTIVE /* unused; keep for awhile for backwards
|
||||
* compatibility */
|
||||
} PostgresPollingStatusType;
|
||||
|
||||
typedef enum
|
||||
{
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||||
PGRES_EMPTY_QUERY = 0, /* empty query string was executed */
|
||||
PGRES_COMMAND_OK, /* a query command that doesn't return
|
||||
* anything was executed properly by the
|
||||
* backend */
|
||||
PGRES_TUPLES_OK, /* a query command that returns tuples was
|
||||
* executed properly by the backend, PGresult
|
||||
* contains the result tuples */
|
||||
PGRES_COPY_OUT, /* Copy Out data transfer in progress */
|
||||
PGRES_COPY_IN, /* Copy In data transfer in progress */
|
||||
PGRES_BAD_RESPONSE, /* an unexpected response was recv'd from the
|
||||
* backend */
|
||||
PGRES_NONFATAL_ERROR, /* notice or warning message */
|
||||
PGRES_FATAL_ERROR, /* query failed */
|
||||
PGRES_COPY_BOTH, /* Copy In/Out data transfer in progress */
|
||||
PGRES_SINGLE_TUPLE /* single tuple from larger resultset */
|
||||
} ExecStatusType;
|
||||
|
||||
typedef enum
|
||||
{
|
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PQTRANS_IDLE, /* connection idle */
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||||
PQTRANS_ACTIVE, /* command in progress */
|
||||
PQTRANS_INTRANS, /* idle, within transaction block */
|
||||
PQTRANS_INERROR, /* idle, within failed transaction */
|
||||
PQTRANS_UNKNOWN /* cannot determine status */
|
||||
} PGTransactionStatusType;
|
||||
|
||||
typedef enum
|
||||
{
|
||||
PQERRORS_TERSE, /* single-line error messages */
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||||
PQERRORS_DEFAULT, /* recommended style */
|
||||
PQERRORS_VERBOSE /* all the facts, ma'am */
|
||||
} PGVerbosity;
|
||||
|
||||
/*
|
||||
* PGPing - The ordering of this enum should not be altered because the
|
||||
* values are exposed externally via pg_isready.
|
||||
*/
|
||||
|
||||
typedef enum
|
||||
{
|
||||
PQPING_OK, /* server is accepting connections */
|
||||
PQPING_REJECT, /* server is alive but rejecting connections */
|
||||
PQPING_NO_RESPONSE, /* could not establish connection */
|
||||
PQPING_NO_ATTEMPT /* connection not attempted (bad params) */
|
||||
} PGPing;
|
||||
|
||||
/* PGconn encapsulates a connection to the backend.
|
||||
* The contents of this struct are not supposed to be known to applications.
|
||||
*/
|
||||
typedef struct pg_conn PGconn;
|
||||
|
||||
/* PGresult encapsulates the result of a query (or more precisely, of a single
|
||||
* SQL command --- a query string given to PQsendQuery can contain multiple
|
||||
* commands and thus return multiple PGresult objects).
|
||||
* The contents of this struct are not supposed to be known to applications.
|
||||
*/
|
||||
typedef struct pg_result PGresult;
|
||||
|
||||
/* PGcancel encapsulates the information needed to cancel a running
|
||||
* query on an existing connection.
|
||||
* The contents of this struct are not supposed to be known to applications.
|
||||
*/
|
||||
typedef struct pg_cancel PGcancel;
|
||||
|
||||
/* PGnotify represents the occurrence of a NOTIFY message.
|
||||
* Ideally this would be an opaque typedef, but it's so simple that it's
|
||||
* unlikely to change.
|
||||
* NOTE: in Postgres 6.4 and later, the be_pid is the notifying backend's,
|
||||
* whereas in earlier versions it was always your own backend's PID.
|
||||
*/
|
||||
typedef struct pgNotify
|
||||
{
|
||||
char *relname; /* notification condition name */
|
||||
int be_pid; /* process ID of notifying server process */
|
||||
char *extra; /* notification parameter */
|
||||
/* Fields below here are private to libpq; apps should not use 'em */
|
||||
struct pgNotify *next; /* list link */
|
||||
} PGnotify;
|
||||
|
||||
/* Function types for notice-handling callbacks */
|
||||
typedef void (*PQnoticeReceiver) (void *arg, const PGresult *res);
|
||||
typedef void (*PQnoticeProcessor) (void *arg, const char *message);
|
||||
|
||||
/* Print options for PQprint() */
|
||||
typedef char pqbool;
|
||||
|
||||
typedef struct _PQprintOpt
|
||||
{
|
||||
pqbool header; /* print output field headings and row count */
|
||||
pqbool align; /* fill align the fields */
|
||||
pqbool standard; /* old brain dead format */
|
||||
pqbool html3; /* output html tables */
|
||||
pqbool expanded; /* expand tables */
|
||||
pqbool pager; /* use pager for output if needed */
|
||||
char *fieldSep; /* field separator */
|
||||
char *tableOpt; /* insert to HTML <table ...> */
|
||||
char *caption; /* HTML <caption> */
|
||||
char **fieldName; /* null terminated array of replacement field
|
||||
* names */
|
||||
} PQprintOpt;
|
||||
|
||||
/* ----------------
|
||||
* Structure for the conninfo parameter definitions returned by PQconndefaults
|
||||
* or PQconninfoParse.
|
||||
*
|
||||
* All fields except "val" point at static strings which must not be altered.
|
||||
* "val" is either NULL or a malloc'd current-value string. PQconninfoFree()
|
||||
* will release both the val strings and the PQconninfoOption array itself.
|
||||
* ----------------
|
||||
*/
|
||||
typedef struct _PQconninfoOption
|
||||
{
|
||||
char *keyword; /* The keyword of the option */
|
||||
char *envvar; /* Fallback environment variable name */
|
||||
char *compiled; /* Fallback compiled in default value */
|
||||
char *val; /* Option's current value, or NULL */
|
||||
char *label; /* Label for field in connect dialog */
|
||||
char *dispchar; /* Indicates how to display this field in a
|
||||
* connect dialog. Values are: "" Display
|
||||
* entered value as is "*" Password field -
|
||||
* hide value "D" Debug option - don't show
|
||||
* by default */
|
||||
int dispsize; /* Field size in characters for dialog */
|
||||
} PQconninfoOption;
|
||||
|
||||
/* ----------------
|
||||
* PQArgBlock -- structure for PQfn() arguments
|
||||
* ----------------
|
||||
*/
|
||||
typedef struct
|
||||
{
|
||||
int len;
|
||||
int isint;
|
||||
union
|
||||
{
|
||||
int *ptr; /* can't use void (dec compiler barfs) */
|
||||
int integer;
|
||||
} u;
|
||||
} PQArgBlock;
|
||||
|
||||
/* ----------------
|
||||
* PGresAttDesc -- Data about a single attribute (column) of a query result
|
||||
* ----------------
|
||||
*/
|
||||
typedef struct pgresAttDesc
|
||||
{
|
||||
char *name; /* column name */
|
||||
Oid tableid; /* source table, if known */
|
||||
int columnid; /* source column, if known */
|
||||
int format; /* format code for value (text/binary) */
|
||||
Oid typid; /* type id */
|
||||
int typlen; /* type size */
|
||||
int atttypmod; /* type-specific modifier info */
|
||||
} PGresAttDesc;
|
||||
|
||||
/* ----------------
|
||||
* Exported functions of libpq
|
||||
* ----------------
|
||||
*/
|
||||
|
||||
/* === in fe-connect.c === */
|
||||
|
||||
/* make a new client connection to the backend */
|
||||
/* Asynchronous (non-blocking) */
|
||||
extern PGconn *PQconnectStart(const char *conninfo);
|
||||
extern PGconn *PQconnectStartParams(const char *const * keywords,
|
||||
const char *const * values, int expand_dbname);
|
||||
extern PostgresPollingStatusType PQconnectPoll(PGconn *conn);
|
||||
|
||||
/* Synchronous (blocking) */
|
||||
extern PGconn *PQconnectdb(const char *conninfo);
|
||||
extern PGconn *PQconnectdbParams(const char *const * keywords,
|
||||
const char *const * values, int expand_dbname);
|
||||
extern PGconn *PQsetdbLogin(const char *pghost, const char *pgport,
|
||||
const char *pgoptions, const char *pgtty,
|
||||
const char *dbName,
|
||||
const char *login, const char *pwd);
|
||||
|
||||
#define PQsetdb(M_PGHOST,M_PGPORT,M_PGOPT,M_PGTTY,M_DBNAME) \
|
||||
PQsetdbLogin(M_PGHOST, M_PGPORT, M_PGOPT, M_PGTTY, M_DBNAME, NULL, NULL)
|
||||
|
||||
/* close the current connection and free the PGconn data structure */
|
||||
extern void PQfinish(PGconn *conn);
|
||||
|
||||
/* get info about connection options known to PQconnectdb */
|
||||
extern PQconninfoOption *PQconndefaults(void);
|
||||
|
||||
/* parse connection options in same way as PQconnectdb */
|
||||
extern PQconninfoOption *PQconninfoParse(const char *conninfo, char **errmsg);
|
||||
|
||||
/* return the connection options used by a live connection */
|
||||
extern PQconninfoOption *PQconninfo(PGconn *conn);
|
||||
|
||||
/* free the data structure returned by PQconndefaults() or PQconninfoParse() */
|
||||
extern void PQconninfoFree(PQconninfoOption *connOptions);
|
||||
|
||||
/*
|
||||
* close the current connection and restablish a new one with the same
|
||||
* parameters
|
||||
*/
|
||||
/* Asynchronous (non-blocking) */
|
||||
extern int PQresetStart(PGconn *conn);
|
||||
extern PostgresPollingStatusType PQresetPoll(PGconn *conn);
|
||||
|
||||
/* Synchronous (blocking) */
|
||||
extern void PQreset(PGconn *conn);
|
||||
|
||||
/* request a cancel structure */
|
||||
extern PGcancel *PQgetCancel(PGconn *conn);
|
||||
|
||||
/* free a cancel structure */
|
||||
extern void PQfreeCancel(PGcancel *cancel);
|
||||
|
||||
/* issue a cancel request */
|
||||
extern int PQcancel(PGcancel *cancel, char *errbuf, int errbufsize);
|
||||
|
||||
/* backwards compatible version of PQcancel; not thread-safe */
|
||||
extern int PQrequestCancel(PGconn *conn);
|
||||
|
||||
/* Accessor functions for PGconn objects */
|
||||
extern char *PQdb(const PGconn *conn);
|
||||
extern char *PQuser(const PGconn *conn);
|
||||
extern char *PQpass(const PGconn *conn);
|
||||
extern char *PQhost(const PGconn *conn);
|
||||
extern char *PQport(const PGconn *conn);
|
||||
extern char *PQtty(const PGconn *conn);
|
||||
extern char *PQoptions(const PGconn *conn);
|
||||
extern ConnStatusType PQstatus(const PGconn *conn);
|
||||
extern PGTransactionStatusType PQtransactionStatus(const PGconn *conn);
|
||||
extern const char *PQparameterStatus(const PGconn *conn,
|
||||
const char *paramName);
|
||||
extern int PQprotocolVersion(const PGconn *conn);
|
||||
extern int PQserverVersion(const PGconn *conn);
|
||||
extern char *PQerrorMessage(const PGconn *conn);
|
||||
extern int PQsocket(const PGconn *conn);
|
||||
extern int PQbackendPID(const PGconn *conn);
|
||||
extern int PQconnectionNeedsPassword(const PGconn *conn);
|
||||
extern int PQconnectionUsedPassword(const PGconn *conn);
|
||||
extern int PQclientEncoding(const PGconn *conn);
|
||||
extern int PQsetClientEncoding(PGconn *conn, const char *encoding);
|
||||
|
||||
/* SSL information functions */
|
||||
extern int PQsslInUse(PGconn *conn);
|
||||
extern void *PQsslStruct(PGconn *conn, const char *struct_name);
|
||||
extern const char *PQsslAttribute(PGconn *conn, const char *attribute_name);
|
||||
extern const char *const * PQsslAttributeNames(PGconn *conn);
|
||||
|
||||
/* Get the OpenSSL structure associated with a connection. Returns NULL for
|
||||
* unencrypted connections or if any other TLS library is in use. */
|
||||
extern void *PQgetssl(PGconn *conn);
|
||||
|
||||
/* Tell libpq whether it needs to initialize OpenSSL */
|
||||
extern void PQinitSSL(int do_init);
|
||||
|
||||
/* More detailed way to tell libpq whether it needs to initialize OpenSSL */
|
||||
extern void PQinitOpenSSL(int do_ssl, int do_crypto);
|
||||
|
||||
/* Set verbosity for PQerrorMessage and PQresultErrorMessage */
|
||||
extern PGVerbosity PQsetErrorVerbosity(PGconn *conn, PGVerbosity verbosity);
|
||||
|
||||
/* Enable/disable tracing */
|
||||
extern void PQtrace(PGconn *conn, FILE *debug_port);
|
||||
extern void PQuntrace(PGconn *conn);
|
||||
|
||||
/* Override default notice handling routines */
|
||||
extern PQnoticeReceiver PQsetNoticeReceiver(PGconn *conn,
|
||||
PQnoticeReceiver proc,
|
||||
void *arg);
|
||||
extern PQnoticeProcessor PQsetNoticeProcessor(PGconn *conn,
|
||||
PQnoticeProcessor proc,
|
||||
void *arg);
|
||||
|
||||
/*
|
||||
* Used to set callback that prevents concurrent access to
|
||||
* non-thread safe functions that libpq needs.
|
||||
* The default implementation uses a libpq internal mutex.
|
||||
* Only required for multithreaded apps that use kerberos
|
||||
* both within their app and for postgresql connections.
|
||||
*/
|
||||
typedef void (*pgthreadlock_t) (int acquire);
|
||||
|
||||
extern pgthreadlock_t PQregisterThreadLock(pgthreadlock_t newhandler);
|
||||
|
||||
/* === in fe-exec.c === */
|
||||
|
||||
/* Simple synchronous query */
|
||||
extern PGresult *PQexec(PGconn *conn, const char *query);
|
||||
extern PGresult *PQexecParams(PGconn *conn,
|
||||
const char *command,
|
||||
int nParams,
|
||||
const Oid *paramTypes,
|
||||
const char *const * paramValues,
|
||||
const int *paramLengths,
|
||||
const int *paramFormats,
|
||||
int resultFormat);
|
||||
extern PGresult *PQprepare(PGconn *conn, const char *stmtName,
|
||||
const char *query, int nParams,
|
||||
const Oid *paramTypes);
|
||||
extern PGresult *PQexecPrepared(PGconn *conn,
|
||||
const char *stmtName,
|
||||
int nParams,
|
||||
const char *const * paramValues,
|
||||
const int *paramLengths,
|
||||
const int *paramFormats,
|
||||
int resultFormat);
|
||||
|
||||
/* Interface for multiple-result or asynchronous queries */
|
||||
extern int PQsendQuery(PGconn *conn, const char *query);
|
||||
extern int PQsendQueryParams(PGconn *conn,
|
||||
const char *command,
|
||||
int nParams,
|
||||
const Oid *paramTypes,
|
||||
const char *const * paramValues,
|
||||
const int *paramLengths,
|
||||
const int *paramFormats,
|
||||
int resultFormat);
|
||||
extern int PQsendPrepare(PGconn *conn, const char *stmtName,
|
||||
const char *query, int nParams,
|
||||
const Oid *paramTypes);
|
||||
extern int PQsendQueryPrepared(PGconn *conn,
|
||||
const char *stmtName,
|
||||
int nParams,
|
||||
const char *const * paramValues,
|
||||
const int *paramLengths,
|
||||
const int *paramFormats,
|
||||
int resultFormat);
|
||||
extern int PQsetSingleRowMode(PGconn *conn);
|
||||
extern PGresult *PQgetResult(PGconn *conn);
|
||||
|
||||
/* Routines for managing an asynchronous query */
|
||||
extern int PQisBusy(PGconn *conn);
|
||||
extern int PQconsumeInput(PGconn *conn);
|
||||
|
||||
/* LISTEN/NOTIFY support */
|
||||
extern PGnotify *PQnotifies(PGconn *conn);
|
||||
|
||||
/* Routines for copy in/out */
|
||||
extern int PQputCopyData(PGconn *conn, const char *buffer, int nbytes);
|
||||
extern int PQputCopyEnd(PGconn *conn, const char *errormsg);
|
||||
extern int PQgetCopyData(PGconn *conn, char **buffer, int async);
|
||||
|
||||
/* Deprecated routines for copy in/out */
|
||||
extern int PQgetline(PGconn *conn, char *string, int length);
|
||||
extern int PQputline(PGconn *conn, const char *string);
|
||||
extern int PQgetlineAsync(PGconn *conn, char *buffer, int bufsize);
|
||||
extern int PQputnbytes(PGconn *conn, const char *buffer, int nbytes);
|
||||
extern int PQendcopy(PGconn *conn);
|
||||
|
||||
/* Set blocking/nonblocking connection to the backend */
|
||||
extern int PQsetnonblocking(PGconn *conn, int arg);
|
||||
extern int PQisnonblocking(const PGconn *conn);
|
||||
extern int PQisthreadsafe(void);
|
||||
extern PGPing PQping(const char *conninfo);
|
||||
extern PGPing PQpingParams(const char *const * keywords,
|
||||
const char *const * values, int expand_dbname);
|
||||
|
||||
/* Force the write buffer to be written (or at least try) */
|
||||
extern int PQflush(PGconn *conn);
|
||||
|
||||
/*
|
||||
* "Fast path" interface --- not really recommended for application
|
||||
* use
|
||||
*/
|
||||
extern PGresult *PQfn(PGconn *conn,
|
||||
int fnid,
|
||||
int *result_buf,
|
||||
int *result_len,
|
||||
int result_is_int,
|
||||
const PQArgBlock *args,
|
||||
int nargs);
|
||||
|
||||
/* Accessor functions for PGresult objects */
|
||||
extern ExecStatusType PQresultStatus(const PGresult *res);
|
||||
extern char *PQresStatus(ExecStatusType status);
|
||||
extern char *PQresultErrorMessage(const PGresult *res);
|
||||
extern char *PQresultErrorField(const PGresult *res, int fieldcode);
|
||||
extern int PQntuples(const PGresult *res);
|
||||
extern int PQnfields(const PGresult *res);
|
||||
extern int PQbinaryTuples(const PGresult *res);
|
||||
extern char *PQfname(const PGresult *res, int field_num);
|
||||
extern int PQfnumber(const PGresult *res, const char *field_name);
|
||||
extern Oid PQftable(const PGresult *res, int field_num);
|
||||
extern int PQftablecol(const PGresult *res, int field_num);
|
||||
extern int PQfformat(const PGresult *res, int field_num);
|
||||
extern Oid PQftype(const PGresult *res, int field_num);
|
||||
extern int PQfsize(const PGresult *res, int field_num);
|
||||
extern int PQfmod(const PGresult *res, int field_num);
|
||||
extern char *PQcmdStatus(PGresult *res);
|
||||
extern char *PQoidStatus(const PGresult *res); /* old and ugly */
|
||||
extern Oid PQoidValue(const PGresult *res); /* new and improved */
|
||||
extern char *PQcmdTuples(PGresult *res);
|
||||
extern char *PQgetvalue(const PGresult *res, int tup_num, int field_num);
|
||||
extern int PQgetlength(const PGresult *res, int tup_num, int field_num);
|
||||
extern int PQgetisnull(const PGresult *res, int tup_num, int field_num);
|
||||
extern int PQnparams(const PGresult *res);
|
||||
extern Oid PQparamtype(const PGresult *res, int param_num);
|
||||
|
||||
/* Describe prepared statements and portals */
|
||||
extern PGresult *PQdescribePrepared(PGconn *conn, const char *stmt);
|
||||
extern PGresult *PQdescribePortal(PGconn *conn, const char *portal);
|
||||
extern int PQsendDescribePrepared(PGconn *conn, const char *stmt);
|
||||
extern int PQsendDescribePortal(PGconn *conn, const char *portal);
|
||||
|
||||
/* Delete a PGresult */
|
||||
extern void PQclear(PGresult *res);
|
||||
|
||||
/* For freeing other alloc'd results, such as PGnotify structs */
|
||||
extern void PQfreemem(void *ptr);
|
||||
|
||||
/* Exists for backward compatibility. bjm 2003-03-24 */
|
||||
#define PQfreeNotify(ptr) PQfreemem(ptr)
|
||||
|
||||
/* Error when no password was given. */
|
||||
/* Note: depending on this is deprecated; use PQconnectionNeedsPassword(). */
|
||||
#define PQnoPasswordSupplied "fe_sendauth: no password supplied\n"
|
||||
|
||||
/* Create and manipulate PGresults */
|
||||
extern PGresult *PQmakeEmptyPGresult(PGconn *conn, ExecStatusType status);
|
||||
extern PGresult *PQcopyResult(const PGresult *src, int flags);
|
||||
extern int PQsetResultAttrs(PGresult *res, int numAttributes, PGresAttDesc *attDescs);
|
||||
extern void *PQresultAlloc(PGresult *res, size_t nBytes);
|
||||
extern int PQsetvalue(PGresult *res, int tup_num, int field_num, char *value, int len);
|
||||
|
||||
/* Quoting strings before inclusion in queries. */
|
||||
extern size_t PQescapeStringConn(PGconn *conn,
|
||||
char *to, const char *from, size_t length,
|
||||
int *error);
|
||||
extern char *PQescapeLiteral(PGconn *conn, const char *str, size_t len);
|
||||
extern char *PQescapeIdentifier(PGconn *conn, const char *str, size_t len);
|
||||
extern unsigned char *PQescapeByteaConn(PGconn *conn,
|
||||
const unsigned char *from, size_t from_length,
|
||||
size_t *to_length);
|
||||
extern unsigned char *PQunescapeBytea(const unsigned char *strtext,
|
||||
size_t *retbuflen);
|
||||
|
||||
/* These forms are deprecated! */
|
||||
extern size_t PQescapeString(char *to, const char *from, size_t length);
|
||||
extern unsigned char *PQescapeBytea(const unsigned char *from, size_t from_length,
|
||||
size_t *to_length);
|
||||
|
||||
|
||||
|
||||
/* === in fe-print.c === */
|
||||
|
||||
extern void PQprint(FILE *fout, /* output stream */
|
||||
const PGresult *res,
|
||||
const PQprintOpt *ps); /* option structure */
|
||||
|
||||
/*
|
||||
* really old printing routines
|
||||
*/
|
||||
extern void PQdisplayTuples(const PGresult *res,
|
||||
FILE *fp, /* where to send the output */
|
||||
int fillAlign, /* pad the fields with spaces */
|
||||
const char *fieldSep, /* field separator */
|
||||
int printHeader, /* display headers? */
|
||||
int quiet);
|
||||
|
||||
extern void PQprintTuples(const PGresult *res,
|
||||
FILE *fout, /* output stream */
|
||||
int printAttName, /* print attribute names */
|
||||
int terseOutput, /* delimiter bars */
|
||||
int width); /* width of column, if 0, use variable width */
|
||||
|
||||
|
||||
/* === in fe-lobj.c === */
|
||||
|
||||
/* Large-object access routines */
|
||||
extern int lo_open(PGconn *conn, Oid lobjId, int mode);
|
||||
extern int lo_close(PGconn *conn, int fd);
|
||||
extern int lo_read(PGconn *conn, int fd, char *buf, size_t len);
|
||||
extern int lo_write(PGconn *conn, int fd, const char *buf, size_t len);
|
||||
extern int lo_lseek(PGconn *conn, int fd, int offset, int whence);
|
||||
extern pg_int64 lo_lseek64(PGconn *conn, int fd, pg_int64 offset, int whence);
|
||||
extern Oid lo_creat(PGconn *conn, int mode);
|
||||
extern Oid lo_create(PGconn *conn, Oid lobjId);
|
||||
extern int lo_tell(PGconn *conn, int fd);
|
||||
extern pg_int64 lo_tell64(PGconn *conn, int fd);
|
||||
extern int lo_truncate(PGconn *conn, int fd, size_t len);
|
||||
extern int lo_truncate64(PGconn *conn, int fd, pg_int64 len);
|
||||
extern int lo_unlink(PGconn *conn, Oid lobjId);
|
||||
extern Oid lo_import(PGconn *conn, const char *filename);
|
||||
extern Oid lo_import_with_oid(PGconn *conn, const char *filename, Oid lobjId);
|
||||
extern int lo_export(PGconn *conn, Oid lobjId, const char *filename);
|
||||
|
||||
/* === in fe-misc.c === */
|
||||
|
||||
/* Get the version of the libpq library in use */
|
||||
extern int PQlibVersion(void);
|
||||
|
||||
/* Determine length of multibyte encoded char at *s */
|
||||
extern int PQmblen(const char *s, int encoding);
|
||||
|
||||
/* Determine display length of multibyte encoded char at *s */
|
||||
extern int PQdsplen(const char *s, int encoding);
|
||||
|
||||
/* Get encoding id from environment variable PGCLIENTENCODING */
|
||||
extern int PQenv2encoding(void);
|
||||
|
||||
/* === in fe-auth.c === */
|
||||
|
||||
extern char *PQencryptPassword(const char *passwd, const char *user);
|
||||
|
||||
/* === in encnames.c === */
|
||||
|
||||
extern int pg_char_to_encoding(const char *name);
|
||||
extern const char *pg_encoding_to_char(int encoding);
|
||||
extern int pg_valid_server_encoding_id(int encoding);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* LIBPQ_FE_H */
|
||||
7
builddir/postgresql-9.5.3/include/pg_config_ext.h
Normal file
7
builddir/postgresql-9.5.3/include/pg_config_ext.h
Normal file
@@ -0,0 +1,7 @@
|
||||
/*
|
||||
* src/include/pg_config_ext.h.win32. This is generated manually, not by
|
||||
* autoheader, since we want to limit which symbols get defined here.
|
||||
*/
|
||||
|
||||
/* Define to the name of a signed 64-bit integer type. */
|
||||
#define PG_INT64_TYPE long long int
|
||||
69
builddir/postgresql-9.5.3/include/postgres_ext.h
Normal file
69
builddir/postgresql-9.5.3/include/postgres_ext.h
Normal file
@@ -0,0 +1,69 @@
|
||||
/*-------------------------------------------------------------------------
|
||||
*
|
||||
* postgres_ext.h
|
||||
*
|
||||
* This file contains declarations of things that are visible everywhere
|
||||
* in PostgreSQL *and* are visible to clients of frontend interface libraries.
|
||||
* For example, the Oid type is part of the API of libpq and other libraries.
|
||||
*
|
||||
* Declarations which are specific to a particular interface should
|
||||
* go in the header file for that interface (such as libpq-fe.h). This
|
||||
* file is only for fundamental Postgres declarations.
|
||||
*
|
||||
* User-written C functions don't count as "external to Postgres."
|
||||
* Those function much as local modifications to the backend itself, and
|
||||
* use header files that are otherwise internal to Postgres to interface
|
||||
* with the backend.
|
||||
*
|
||||
* src/include/postgres_ext.h
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
#ifndef POSTGRES_EXT_H
|
||||
#define POSTGRES_EXT_H
|
||||
|
||||
#include "pg_config_ext.h"
|
||||
|
||||
/*
|
||||
* Object ID is a fundamental type in Postgres.
|
||||
*/
|
||||
typedef unsigned int Oid;
|
||||
|
||||
#ifdef __cplusplus
|
||||
#define InvalidOid (Oid(0))
|
||||
#else
|
||||
#define InvalidOid ((Oid) 0)
|
||||
#endif
|
||||
|
||||
#define OID_MAX UINT_MAX
|
||||
/* you will need to include <limits.h> to use the above #define */
|
||||
|
||||
/* Define a signed 64-bit integer type for use in client API declarations. */
|
||||
typedef PG_INT64_TYPE pg_int64;
|
||||
|
||||
|
||||
/*
|
||||
* Identifiers of error message fields. Kept here to keep common
|
||||
* between frontend and backend, and also to export them to libpq
|
||||
* applications.
|
||||
*/
|
||||
#define PG_DIAG_SEVERITY 'S'
|
||||
#define PG_DIAG_SQLSTATE 'C'
|
||||
#define PG_DIAG_MESSAGE_PRIMARY 'M'
|
||||
#define PG_DIAG_MESSAGE_DETAIL 'D'
|
||||
#define PG_DIAG_MESSAGE_HINT 'H'
|
||||
#define PG_DIAG_STATEMENT_POSITION 'P'
|
||||
#define PG_DIAG_INTERNAL_POSITION 'p'
|
||||
#define PG_DIAG_INTERNAL_QUERY 'q'
|
||||
#define PG_DIAG_CONTEXT 'W'
|
||||
#define PG_DIAG_SCHEMA_NAME 's'
|
||||
#define PG_DIAG_TABLE_NAME 't'
|
||||
#define PG_DIAG_COLUMN_NAME 'c'
|
||||
#define PG_DIAG_DATATYPE_NAME 'd'
|
||||
#define PG_DIAG_CONSTRAINT_NAME 'n'
|
||||
#define PG_DIAG_SOURCE_FILE 'F'
|
||||
#define PG_DIAG_SOURCE_LINE 'L'
|
||||
#define PG_DIAG_SOURCE_FUNCTION 'R'
|
||||
|
||||
#endif /* POSTGRES_EXT_H */
|
||||
Reference in New Issue
Block a user