xref: /PHP-8.0/ext/pgsql/php_pgsql.h (revision 8ff2f2f8)
1 /*
2    +----------------------------------------------------------------------+
3    | Copyright (c) The PHP Group                                          |
4    +----------------------------------------------------------------------+
5    | This source file is subject to version 3.01 of the PHP license,      |
6    | that is bundled with this package in the file LICENSE, and is        |
7    | available through the world-wide-web at the following url:           |
8    | http://www.php.net/license/3_01.txt                                  |
9    | If you did not receive a copy of the PHP license and are unable to   |
10    | obtain it through the world-wide-web, please send a note to          |
11    | license@php.net so we can mail you a copy immediately.               |
12    +----------------------------------------------------------------------+
13    | Authors: Zeev Suraski <zeev@php.net>                                 |
14    |          Jouni Ahto <jouni.ahto@exdec.fi>                            |
15    +----------------------------------------------------------------------+
16  */
17 
18 #ifndef PHP_PGSQL_H
19 #define PHP_PGSQL_H
20 
21 #ifdef HAVE_PGSQL
22 
23 #define PHP_PGSQL_API_VERSION 20140217
24 
25 extern zend_module_entry pgsql_module_entry;
26 #define pgsql_module_ptr &pgsql_module_entry
27 
28 #include "php_version.h"
29 #define PHP_PGSQL_VERSION PHP_VERSION
30 
31 #ifdef PHP_PGSQL_PRIVATE
32 #undef SOCKET_SIZE_TYPE
33 #include <libpq-fe.h>
34 
35 #include <libpq/libpq-fs.h>
36 #ifdef PHP_WIN32
37 #undef PHP_PGSQL_API
38 #ifdef PGSQL_EXPORTS
39 #define PHP_PGSQL_API __declspec(dllexport)
40 #else
41 #define PHP_PGSQL_API __declspec(dllimport)
42 #endif
43 #else
44 # if defined(__GNUC__) && __GNUC__ >= 4
45 #  define PHP_PGSQL_API __attribute__ ((visibility("default")))
46 # else
47 #  define PHP_PGSQL_API
48 # endif
49 #endif
50 
51 #ifdef HAVE_PGSQL_WITH_MULTIBYTE_SUPPORT
52 const char * pg_encoding_to_char(int encoding);
53 #endif
54 
55 PHP_MINIT_FUNCTION(pgsql);
56 PHP_MSHUTDOWN_FUNCTION(pgsql);
57 PHP_RINIT_FUNCTION(pgsql);
58 PHP_RSHUTDOWN_FUNCTION(pgsql);
59 PHP_MINFO_FUNCTION(pgsql);
60 /* connection functions */
61 PHP_FUNCTION(pg_connect);
62 PHP_FUNCTION(pg_pconnect);
63 PHP_FUNCTION(pg_connect_poll);
64 PHP_FUNCTION(pg_close);
65 PHP_FUNCTION(pg_connection_reset);
66 PHP_FUNCTION(pg_connection_status);
67 PHP_FUNCTION(pg_connection_busy);
68 PHP_FUNCTION(pg_host);
69 PHP_FUNCTION(pg_dbname);
70 PHP_FUNCTION(pg_port);
71 PHP_FUNCTION(pg_tty);
72 PHP_FUNCTION(pg_options);
73 PHP_FUNCTION(pg_version);
74 PHP_FUNCTION(pg_ping);
75 PHP_FUNCTION(pg_parameter_status);
76 PHP_FUNCTION(pg_transaction_status);
77 /* query functions */
78 PHP_FUNCTION(pg_query);
79 PHP_FUNCTION(pg_query_params);
80 PHP_FUNCTION(pg_prepare);
81 PHP_FUNCTION(pg_execute);
82 PHP_FUNCTION(pg_send_query);
83 PHP_FUNCTION(pg_send_query_params);
84 PHP_FUNCTION(pg_send_prepare);
85 PHP_FUNCTION(pg_send_execute);
86 PHP_FUNCTION(pg_cancel_query);
87 /* result functions */
88 PHP_FUNCTION(pg_fetch_assoc);
89 PHP_FUNCTION(pg_fetch_array);
90 PHP_FUNCTION(pg_fetch_object);
91 PHP_FUNCTION(pg_fetch_result);
92 PHP_FUNCTION(pg_fetch_row);
93 PHP_FUNCTION(pg_fetch_all);
94 PHP_FUNCTION(pg_fetch_all_columns);
95 PHP_FUNCTION(pg_affected_rows);
96 PHP_FUNCTION(pg_get_result);
97 PHP_FUNCTION(pg_result_seek);
98 PHP_FUNCTION(pg_result_status);
99 PHP_FUNCTION(pg_free_result);
100 PHP_FUNCTION(pg_last_oid);
101 PHP_FUNCTION(pg_num_rows);
102 PHP_FUNCTION(pg_num_fields);
103 PHP_FUNCTION(pg_field_name);
104 PHP_FUNCTION(pg_field_num);
105 PHP_FUNCTION(pg_field_size);
106 PHP_FUNCTION(pg_field_type);
107 PHP_FUNCTION(pg_field_type_oid);
108 PHP_FUNCTION(pg_field_prtlen);
109 PHP_FUNCTION(pg_field_is_null);
110 PHP_FUNCTION(pg_field_table);
111 /* async message functions */
112 PHP_FUNCTION(pg_get_notify);
113 PHP_FUNCTION(pg_socket);
114 PHP_FUNCTION(pg_consume_input);
115 PHP_FUNCTION(pg_flush);
116 PHP_FUNCTION(pg_get_pid);
117 /* error message functions */
118 PHP_FUNCTION(pg_result_error);
119 PHP_FUNCTION(pg_result_error_field);
120 PHP_FUNCTION(pg_last_error);
121 PHP_FUNCTION(pg_last_notice);
122 /* copy functions */
123 PHP_FUNCTION(pg_put_line);
124 PHP_FUNCTION(pg_end_copy);
125 PHP_FUNCTION(pg_copy_to);
126 PHP_FUNCTION(pg_copy_from);
127 /* large object functions */
128 PHP_FUNCTION(pg_lo_create);
129 PHP_FUNCTION(pg_lo_unlink);
130 PHP_FUNCTION(pg_lo_open);
131 PHP_FUNCTION(pg_lo_close);
132 PHP_FUNCTION(pg_lo_read);
133 PHP_FUNCTION(pg_lo_write);
134 PHP_FUNCTION(pg_lo_read_all);
135 PHP_FUNCTION(pg_lo_import);
136 PHP_FUNCTION(pg_lo_export);
137 PHP_FUNCTION(pg_lo_seek);
138 PHP_FUNCTION(pg_lo_tell);
139 PHP_FUNCTION(pg_lo_truncate);
140 
141 /* debugging functions */
142 PHP_FUNCTION(pg_trace);
143 PHP_FUNCTION(pg_untrace);
144 
145 /* utility functions */
146 PHP_FUNCTION(pg_client_encoding);
147 PHP_FUNCTION(pg_set_client_encoding);
148 PHP_FUNCTION(pg_set_error_verbosity);
149 PHP_FUNCTION(pg_escape_string);
150 PHP_FUNCTION(pg_escape_bytea);
151 PHP_FUNCTION(pg_unescape_bytea);
152 PHP_FUNCTION(pg_escape_literal);
153 PHP_FUNCTION(pg_escape_identifier);
154 
155 /* misc functions */
156 PHP_FUNCTION(pg_meta_data);
157 PHP_FUNCTION(pg_convert);
158 PHP_FUNCTION(pg_insert);
159 PHP_FUNCTION(pg_update);
160 PHP_FUNCTION(pg_delete);
161 PHP_FUNCTION(pg_select);
162 
163 /* connection options - ToDo: Add async connection option */
164 #define PGSQL_CONNECT_FORCE_NEW     (1<<1)
165 #define PGSQL_CONNECT_ASYNC         (1<<2)
166 /* php_pgsql_convert options */
167 #define PGSQL_CONV_IGNORE_DEFAULT   (1<<1)     /* Do not use DEFAULT value by removing field from returned array */
168 #define PGSQL_CONV_FORCE_NULL       (1<<2)     /* Convert to NULL if string is null string */
169 #define PGSQL_CONV_IGNORE_NOT_NULL  (1<<3)     /* Ignore NOT NULL constraints */
170 #define PGSQL_CONV_OPTS             (PGSQL_CONV_IGNORE_DEFAULT|PGSQL_CONV_FORCE_NULL|PGSQL_CONV_IGNORE_NOT_NULL)
171 /* php_pgsql_insert/update/select/delete options */
172 #define PGSQL_DML_NO_CONV           (1<<8)     /* Do not call php_pgsql_convert() */
173 #define PGSQL_DML_EXEC              (1<<9)     /* Execute query */
174 #define PGSQL_DML_ASYNC             (1<<10)    /* Do async query */
175 #define PGSQL_DML_STRING            (1<<11)    /* Return query string */
176 #define PGSQL_DML_ESCAPE            (1<<12)    /* No convert, but escape only */
177 
178 /* exported functions */
179 PHP_PGSQL_API int php_pgsql_meta_data(PGconn *pg_link, const char *table_name, zval *meta, zend_bool extended);
180 PHP_PGSQL_API int php_pgsql_convert(PGconn *pg_link, const char *table_name, const zval *values, zval *result, zend_ulong opt);
181 PHP_PGSQL_API int php_pgsql_insert(PGconn *pg_link, const char *table, zval *values, zend_ulong opt, zend_string **sql);
182 PHP_PGSQL_API int php_pgsql_update(PGconn *pg_link, const char *table, zval *values, zval *ids, zend_ulong opt , zend_string **sql);
183 PHP_PGSQL_API int php_pgsql_delete(PGconn *pg_link, const char *table, zval *ids, zend_ulong opt, zend_string **sql);
184 PHP_PGSQL_API int php_pgsql_select(PGconn *pg_link, const char *table, zval *ids, zval *ret_array, zend_ulong opt, long fetch_option, zend_string **sql );
185 PHP_PGSQL_API void php_pgsql_result2array(PGresult *pg_result, zval *ret_array, long fetch_option);
186 
187 /* internal functions */
188 static void php_pgsql_do_connect(INTERNAL_FUNCTION_PARAMETERS,int persistent);
189 static void php_pgsql_get_link_info(INTERNAL_FUNCTION_PARAMETERS, int entry_type);
190 static void php_pgsql_get_result_info(INTERNAL_FUNCTION_PARAMETERS, int entry_type);
191 static char *get_field_name(PGconn *pgsql, Oid oid, HashTable *list);
192 static void php_pgsql_get_field_info(INTERNAL_FUNCTION_PARAMETERS, int entry_type);
193 static void php_pgsql_data_info(INTERNAL_FUNCTION_PARAMETERS, int entry_type);
194 static void php_pgsql_do_async(INTERNAL_FUNCTION_PARAMETERS,int entry_type);
195 
196 static ssize_t php_pgsql_fd_write(php_stream *stream, const char *buf, size_t count);
197 static ssize_t php_pgsql_fd_read(php_stream *stream, char *buf, size_t count);
198 static int php_pgsql_fd_close(php_stream *stream, int close_handle);
199 static int php_pgsql_fd_flush(php_stream *stream);
200 static int php_pgsql_fd_set_option(php_stream *stream, int option, int value, void *ptrparam);
201 static int php_pgsql_fd_cast(php_stream *stream, int cast_as, void **ret);
202 
203 typedef enum _php_pgsql_data_type {
204 	/* boolean */
205 	PG_BOOL,
206 	/* number */
207 	PG_OID,
208 	PG_INT2,
209 	PG_INT4,
210 	PG_INT8,
211 	PG_FLOAT4,
212 	PG_FLOAT8,
213 	PG_NUMERIC,
214 	PG_MONEY,
215 	/* character */
216 	PG_TEXT,
217 	PG_CHAR,
218 	PG_VARCHAR,
219 	/* time and interval */
220 	PG_UNIX_TIME,
221 	PG_UNIX_TIME_INTERVAL,
222 	PG_DATE,
223 	PG_TIME,
224 	PG_TIME_WITH_TIMEZONE,
225 	PG_TIMESTAMP,
226 	PG_TIMESTAMP_WITH_TIMEZONE,
227 	PG_INTERVAL,
228 	/* binary */
229 	PG_BYTEA,
230 	/* network */
231 	PG_CIDR,
232 	PG_INET,
233 	PG_MACADDR,
234 	/* bit */
235 	PG_BIT,
236 	PG_VARBIT,
237 	/* geometoric */
238 	PG_LINE,
239 	PG_LSEG,
240 	PG_POINT,
241 	PG_BOX,
242 	PG_PATH,
243 	PG_POLYGON,
244 	PG_CIRCLE,
245 	/* unknown and system */
246 	PG_UNKNOWN
247 } php_pgsql_data_type;
248 
249 typedef struct pgLofp {
250 	PGconn *conn;
251 	int lofd;
252 } pgLofp;
253 
254 typedef struct _php_pgsql_result_handle {
255 	PGconn *conn;
256 	PGresult *result;
257 	int row;
258 } pgsql_result_handle;
259 
260 typedef struct _php_pgsql_notice {
261 	char *message;
262 	size_t len;
263 } php_pgsql_notice;
264 
265 static const php_stream_ops php_stream_pgsql_fd_ops = {
266 	php_pgsql_fd_write,
267 	php_pgsql_fd_read,
268 	php_pgsql_fd_close,
269 	php_pgsql_fd_flush,
270 	"PostgreSQL link",
271 	NULL, /* seek */
272 	php_pgsql_fd_cast, /* cast */
273 	NULL, /* stat */
274 	php_pgsql_fd_set_option
275 };
276 
277 ZEND_BEGIN_MODULE_GLOBALS(pgsql)
278 	zend_long num_links,num_persistent;
279 	zend_long max_links,max_persistent;
280 	zend_long allow_persistent;
281 	zend_long auto_reset_persistent;
282 	int le_lofp,le_string;
283 	int ignore_notices,log_notices;
284 	HashTable notices;  /* notice message for each connection */
285 	zend_resource *default_link; /* default link when connection is omitted */
286 	HashTable hashes; /* hashes for each connection */
287 ZEND_END_MODULE_GLOBALS(pgsql)
288 
289 ZEND_EXTERN_MODULE_GLOBALS(pgsql)
290 # define PGG(v) ZEND_MODULE_GLOBALS_ACCESSOR(pgsql, v)
291 
292 #if defined(ZTS) && defined(COMPILE_DL_PGSQL)
293 ZEND_TSRMLS_CACHE_EXTERN()
294 #endif
295 
296 #endif
297 
298 #else
299 
300 #define pgsql_module_ptr NULL
301 
302 #endif
303 
304 #define phpext_pgsql_ptr pgsql_module_ptr
305 
306 #endif /* PHP_PGSQL_H */
307