Convert resources to objects in ext/pgsql

Closes GH-6791

Co-authored-by: Nikita Popov <nikita.ppv@gmail.com>

Author: kocsismate

NEWS

@@ -98,6 +98,11 @@ PHP                                                                        NEWS
 . PDO SQLite:
   . Fixed bug #38334 (Proper data-type support for PDO_SQLITE). (Nikita)
 
+- PgSQL:
+  . Convert resource<pgsql link> to object \PgSql\Connection. (Máté)
+  . Convert resource<pgsql result> to object \PgSql\Result. (Máté)
+  . Convert resource<pgsql large object> to object \PgSql\Lob. (Máté)
+
 - PSpell:
   . Convert resource<pspell> to object \PSpell\Dictionary. (Sara)
   . Convert resource<pspell config> to object \PSpell\Config. (Sara)

UPGRADING

@@ -120,6 +120,17 @@ PHP 8.1 UPGRADE NOTES
     types. You can restore the previous behavior by enabling the
     PDO::ATTR_STRINGIFY_FETCHES option.
 
+- PgSQL:
+  . The PgSQL functions now accept and return, respectively, \PgSql\Connection
+    objects instead of "pgsql link" resources. Return value checks using
+    is_resource() should be replaced with checks for `false`.
+  . The PgSQL functions now accept and return, respectively, \PgSql\Result
+    objects instead of "pgsql result" resources. Return value checks using
+    is_resource() should be replaced with checks for `false`.
+  . The PgSQL functions now accept and return, respectively, \PgSql\Lob
+    objects instead of "pgsql large object" resources. Return value checks
+    using is_resource() should be replaced with checks for `false`.
+
 - PSpell:
   . The PSpell functions now accept and return, respectively, PSpell\Dictionary objects
     instead of "pspell" resources. Return value checks using is_resource()

Zend/Optimizer/zend_func_info.c

@@ -658,19 +658,17 @@ static const func_info_t func_infos[] = {
 	F1("session_encode",						MAY_BE_FALSE | MAY_BE_STRING),
 
 	/* ext/pgsql */
-	FN("pg_connect",							MAY_BE_FALSE | MAY_BE_RESOURCE),
-	FN("pg_pconnect",							MAY_BE_FALSE | MAY_BE_RESOURCE),
 	F1("pg_dbname",								MAY_BE_STRING),
 	F1("pg_options",							MAY_BE_STRING),
 	F1("pg_port",								MAY_BE_STRING),
 	F1("pg_tty",								MAY_BE_STRING),
 	F1("pg_host",								MAY_BE_STRING),
 	F1("pg_version",							MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_NULL),
 	F1("pg_parameter_status",					MAY_BE_FALSE | MAY_BE_STRING),
-	F1("pg_query",								MAY_BE_FALSE | MAY_BE_RESOURCE),
-	F1("pg_query_params",						MAY_BE_FALSE | MAY_BE_RESOURCE),
-	F1("pg_prepare",							MAY_BE_FALSE | MAY_BE_RESOURCE),
-	F1("pg_execute",							MAY_BE_FALSE | MAY_BE_RESOURCE),
+	F1("pg_query",								MAY_BE_FALSE | MAY_BE_OBJECT),
+	F1("pg_query_params",						MAY_BE_FALSE | MAY_BE_OBJECT),
+	F1("pg_prepare",							MAY_BE_FALSE | MAY_BE_OBJECT),
+	F1("pg_execute",							MAY_BE_FALSE | MAY_BE_OBJECT),
 	FN("pg_last_notice",						MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY ),
 	F1("pg_field_name",							MAY_BE_STRING),
 	F1("pg_field_type_oid",						MAY_BE_LONG | MAY_BE_STRING),
@@ -683,7 +681,7 @@ static const func_info_t func_infos[] = {
 	F1("pg_fetch_all_columns",					MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_NULL | MAY_BE_ARRAY_OF_STRING),
 	F1("pg_last_oid",							MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_STRING),
 	F1("pg_lo_create",							MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_STRING),
-	F1("pg_lo_open",							MAY_BE_FALSE | MAY_BE_RESOURCE),
+	F1("pg_lo_open",							MAY_BE_FALSE | MAY_BE_OBJECT),
 	F1("pg_lo_read",							MAY_BE_FALSE | MAY_BE_STRING),
 	F1("pg_lo_import",							MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_STRING),
 	F1("pg_copy_to",							MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
@@ -694,13 +692,13 @@ static const func_info_t func_infos[] = {
 	F1("pg_escape_identifier",					MAY_BE_FALSE | MAY_BE_STRING),
 	F1("pg_result_error",						MAY_BE_FALSE | MAY_BE_STRING),
 	F1("pg_result_error_field",					MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
-	F1("pg_get_result",							MAY_BE_FALSE | MAY_BE_RESOURCE),
+	F1("pg_get_result",							MAY_BE_FALSE | MAY_BE_OBJECT),
 	F1("pg_result_status",						MAY_BE_LONG | MAY_BE_STRING),
 	F1("pg_get_notify",							MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
-	F1("pg_socket",								MAY_BE_FALSE | MAY_BE_RESOURCE),
+	F1("pg_socket",								MAY_BE_FALSE | MAY_BE_OBJECT),
 	F1("pg_meta_data",							MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ARRAY),
 	F1("pg_convert",							MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY),
-	F1("pg_insert",								MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_RESOURCE | MAY_BE_STRING),
+	F1("pg_insert",								MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_OBJECT | MAY_BE_STRING),
 	F1("pg_update",								MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_STRING),
 	F1("pg_delete",								MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_STRING),
 	F1("pg_select",								MAY_BE_FALSE | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_ARRAY),