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/*
   +----------------------------------------------------------------------+
   | PHP Version 4                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2008 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Zeev Suraski <zeev@zend.com>                                |
   |          Jouni Ahto <jouni.ahto@exdec.fi>                            |
   +----------------------------------------------------------------------+
 */
 
/* $Id: php_pgsql.h,v 1.56.2.4.2.3 2007/12/31 07:22:51 sebastian Exp $ */

#ifndef PHP_PGSQL_H
#define PHP_PGSQL_H

#if HAVE_PGSQL

#define PHP_PGSQL_API 20020419

extern zend_module_entry pgsql_module_entry;
#define pgsql_module_ptr &pgsql_module_entry

#ifdef PHP_PGSQL_PRIVATE
#undef SOCKET_SIZE_TYPE
#include <libpq-fe.h>

#ifdef PHP_WIN32
#define INV_WRITE            0x00020000
#define INV_READ             0x00040000
#undef PHPAPI
#ifdef PGSQL_EXPORTS
#define PHPAPI __declspec(dllexport)
#else
#define PHPAPI __declspec(dllimport)
#endif
#else
#include <libpq/libpq-fs.h>
#endif

#ifdef HAVE_PG_CONFIG_H
#include <pg_config.h>
#endif

#ifdef HAVE_PGSQL_WITH_MULTIBYTE_SUPPORT
const char * pg_encoding_to_char(int encoding);
#endif

PHP_MINIT_FUNCTION(pgsql);
PHP_MSHUTDOWN_FUNCTION(pgsql);
PHP_RINIT_FUNCTION(pgsql);
PHP_RSHUTDOWN_FUNCTION(pgsql);
PHP_MINFO_FUNCTION(pgsql);
/* connection functions */
PHP_FUNCTION(pg_connect);
PHP_FUNCTION(pg_pconnect);
PHP_FUNCTION(pg_close);
PHP_FUNCTION(pg_connection_reset);
PHP_FUNCTION(pg_connection_status);
PHP_FUNCTION(pg_connection_busy);
PHP_FUNCTION(pg_host);
PHP_FUNCTION(pg_dbname);
PHP_FUNCTION(pg_port);
PHP_FUNCTION(pg_tty);
PHP_FUNCTION(pg_options);
PHP_FUNCTION(pg_ping);
/* query functions */
PHP_FUNCTION(pg_query);
PHP_FUNCTION(pg_send_query);
PHP_FUNCTION(pg_cancel_query);
/* result functions */
PHP_FUNCTION(pg_fetch_assoc);
PHP_FUNCTION(pg_fetch_array);
PHP_FUNCTION(pg_fetch_object);
PHP_FUNCTION(pg_fetch_result);
PHP_FUNCTION(pg_fetch_row);
PHP_FUNCTION(pg_fetch_all);
#if HAVE_PQCMDTUPLES
PHP_FUNCTION(pg_affected_rows);
#endif
PHP_FUNCTION(pg_get_result);
PHP_FUNCTION(pg_result_seek);
PHP_FUNCTION(pg_result_status);
PHP_FUNCTION(pg_free_result);
PHP_FUNCTION(pg_last_oid);
PHP_FUNCTION(pg_num_rows);
PHP_FUNCTION(pg_num_fields);
PHP_FUNCTION(pg_field_name);
PHP_FUNCTION(pg_field_num);
PHP_FUNCTION(pg_field_size);
PHP_FUNCTION(pg_field_type);
PHP_FUNCTION(pg_field_prtlen);
PHP_FUNCTION(pg_field_is_null);
/* async message functions */
PHP_FUNCTION(pg_get_notify);
PHP_FUNCTION(pg_get_pid);
/* error message functions */
PHP_FUNCTION(pg_result_error);
PHP_FUNCTION(pg_last_error);
PHP_FUNCTION(pg_last_notice);
/* copy functions */
PHP_FUNCTION(pg_put_line);
PHP_FUNCTION(pg_end_copy);
PHP_FUNCTION(pg_copy_to);
PHP_FUNCTION(pg_copy_from);
/* large object functions */
PHP_FUNCTION(pg_lo_create);
PHP_FUNCTION(pg_lo_unlink);
PHP_FUNCTION(pg_lo_open);
PHP_FUNCTION(pg_lo_close);
PHP_FUNCTION(pg_lo_read);
PHP_FUNCTION(pg_lo_write);
PHP_FUNCTION(pg_lo_read_all);
PHP_FUNCTION(pg_lo_import);
PHP_FUNCTION(pg_lo_export);
PHP_FUNCTION(pg_lo_seek);
PHP_FUNCTION(pg_lo_tell);

/* debugging functions */
PHP_FUNCTION(pg_trace);
PHP_FUNCTION(pg_untrace);

/* utility functions */
PHP_FUNCTION(pg_client_encoding);
PHP_FUNCTION(pg_set_client_encoding);
#if HAVE_PQESCAPE
PHP_FUNCTION(pg_escape_string);
PHP_FUNCTION(pg_escape_bytea);
PHP_FUNCTION(pg_unescape_bytea);
#endif

/* misc functions */
PHP_FUNCTION(pg_meta_data);
PHP_FUNCTION(pg_convert);
PHP_FUNCTION(pg_insert);
PHP_FUNCTION(pg_update);
PHP_FUNCTION(pg_delete);
PHP_FUNCTION(pg_select);

/* connection options - ToDo: Add async connection option */
#define PGSQL_CONNECT_FORCE_NEW     (1<<1)
/* php_pgsql_convert options */
#define PGSQL_CONV_IGNORE_DEFAULT   (1<<1)     /* Do not use DEAFULT value by removing field from returned array */
#define PGSQL_CONV_FORCE_NULL       (1<<2)     /* Convert to NULL if string is null string */
#define PGSQL_CONV_IGNORE_NOT_NULL  (1<<3)     /* Ignore NOT NULL constraints */
#define PGSQL_CONV_OPTS             (PGSQL_CONV_IGNORE_DEFAULT|PGSQL_CONV_FORCE_NULL|PGSQL_CONV_IGNORE_NOT_NULL)
/* php_pgsql_insert/update/select/delete options */
#define PGSQL_DML_NO_CONV           (1<<8)     /* Do not call php_pgsql_convert() */
#define PGSQL_DML_EXEC              (1<<9)     /* Execute query */
#define PGSQL_DML_ASYNC             (1<<10)    /* Do async query */
#define PGSQL_DML_STRING            (1<<11)    /* Return query string */

/* exported functions */
PHPAPI int php_pgsql_meta_data(PGconn *pg_link, const char *table_name, zval *meta TSRMLS_DC);
PHPAPI int php_pgsql_convert(PGconn *pg_link, const char *table_name, const zval *values, zval *result, ulong opt TSRMLS_DC);
PHPAPI int php_pgsql_insert(PGconn *pg_link, const char *table, zval *values, ulong opt, char **sql TSRMLS_DC);
PHPAPI int php_pgsql_update(PGconn *pg_link, const char *table, zval *values, zval *ids, ulong opt , char **sql TSRMLS_DC);
PHPAPI int php_pgsql_delete(PGconn *pg_link, const char *table, zval *ids, ulong opt, char **sql TSRMLS_DC);
PHPAPI int php_pgsql_select(PGconn *pg_link, const char *table, zval *ids, zval *ret_array, ulong opt, char **sql  TSRMLS_DC);
PHPAPI int php_pgsql_result2array(PGresult *pg_result, zval *ret_array TSRMLS_DC);

/* internal functions */
static void php_pgsql_do_connect(INTERNAL_FUNCTION_PARAMETERS,int persistent);
static void php_pgsql_get_link_info(INTERNAL_FUNCTION_PARAMETERS, int entry_type);
static void php_pgsql_get_result_info(INTERNAL_FUNCTION_PARAMETERS, int entry_type);
static char *get_field_name(PGconn *pgsql, Oid oid, HashTable *list TSRMLS_DC);
static void php_pgsql_get_field_info(INTERNAL_FUNCTION_PARAMETERS, int entry_type);
static void php_pgsql_data_info(INTERNAL_FUNCTION_PARAMETERS, int entry_type);
static void php_pgsql_do_async(INTERNAL_FUNCTION_PARAMETERS,int entry_type);

typedef enum _php_pgsql_data_type {
	/* boolean */
	PG_BOOL,
	/* number */
	PG_OID,
	PG_INT2,
	PG_INT4,
	PG_INT8,
	PG_FLOAT4,
	PG_FLOAT8,
	PG_NUMERIC,
	PG_MONEY,
	/* character */
	PG_TEXT,
	PG_CHAR,
	PG_VARCHAR,
	/* time and interval */
	PG_UNIX_TIME,
	PG_UNIX_TIME_INTERVAL,
	PG_DATE,
	PG_TIME,
	PG_TIME_WITH_TIMEZONE,
	PG_TIMESTAMP,
	PG_TIMESTAMP_WITH_TIMEZONE,
	PG_INTERVAL,
	/* binary */
	PG_BYTEA,
	/* network */
	PG_CIDR,
	PG_INET,
	PG_MACADDR,
	/* bit */
	PG_BIT,
	PG_VARBIT,
	/* geometoric */
	PG_LINE,
	PG_LSEG,
	PG_POINT,
	PG_BOX,
	PG_PATH,
	PG_POLYGON,
	PG_CIRCLE,
	/* unkown and system */
	PG_UNKNOWN
} php_pgsql_data_type;

typedef struct pgLofp {
	PGconn *conn;
	int lofd;
} pgLofp;

typedef struct _php_pgsql_result_handle {
	PGconn *conn;
	PGresult *result;
	int row;
} pgsql_result_handle;

typedef struct _php_pgsql_notice {
	char *message;
	size_t len;
} php_pgsql_notice;

ZEND_BEGIN_MODULE_GLOBALS(pgsql)
	long default_link; /* default link when connection is omitted */
	long num_links,num_persistent;
	long max_links,max_persistent;
	long allow_persistent;
	long auto_reset_persistent;
	int le_lofp,le_string;
	long ignore_notices,log_notices;
	HashTable notices;  /* notice message for each connection */
ZEND_END_MODULE_GLOBALS(pgsql)

ZEND_EXTERN_MODULE_GLOBALS(pgsql)

#ifdef ZTS
# define PGG(v) TSRMG(pgsql_globals_id, zend_pgsql_globals *, v)
#else
# define PGG(v) (pgsql_globals.v)
#endif

#endif

#else

#define pgsql_module_ptr NULL

#endif

#define phpext_pgsql_ptr pgsql_module_ptr

#endif /* PHP_PGSQL_H */