Revert incomplete PG pipeline addition

Closes GH-12735
2024-09-21 09:57:23 +00:00 · 2023-11-20 14:06:34 +00:00 · 2023-11-20 14:06:34 +00:00 · 1e66e6ae73
commit 1e66e6ae73
parent ff2b50889c
6 changed files with 44 additions and 438 deletions
--- a/3
+++ b/3
@ -28,6 +28,9 @@ PHP                                                                        NEWS
 - PCRE:
  . Fixed bug GH-12628 (The gh11374 test fails on Alpinelinux). (nielsdos)

+- PGSQL:
+  . Reverted PG pipeline addition. (Jakub Zelenka)
+
 - PHPDBG:
  . Fixed bug GH-12675 (MEMORY_LEAK in phpdbg_prompt.c). (nielsdos)

--- a/9
+++ b/9
@ -435,11 +435,6 @@ PHP 8.3 UPGRADE NOTES
 - PGSQL:
  . Added pg_set_error_context_visibility to set the visibility of the context
    in error messages (with libpq >= 9.6).
-  . Added pg_enter_pipeline_mode().
-  . Added pg_exit_pipeline_mode().
-  . Added pg_send_flush_request().
-  . Added pg_pipeline_sync().
-  . Added pg_pipeline_status().

 - Random:
  . Added Randomizer::getBytesFromString().
@ -537,10 +532,6 @@ PHP 8.3 UPGRADE NOTES
  . PGSQL_TRACE_SUPPRESS_TIMESTAMPS
  . PGSQL_TRACE_REGRESS_MODE
  . PGSQL_ERRORS_SQLSTATE
-  . PGSQL_PIPELINE_SYNC
-  . PGSQL_PIPELINE_ON
-  . PGSQL_PIPELINE_OFF
-  . PGSQL_PIPELINE_ABORTED
  . PGSQL_SHOW_CONTEXT_NEVER
  . PGSQL_SHOW_CONTEXT_ERRORS
  . PGSQL_SHOW_CONTEXT_ALWAYS
--- a/ext/pgsql/pgsql.c
+++ b/ext/pgsql/pgsql.c
@ -3595,9 +3595,6 @@ PHP_FUNCTION(pg_send_query)
 	char *query;
 	size_t len;
 	PGconn *pgsql;
-#ifdef LIBPQ_HAS_PIPELINING
-	bool is_pipeline_mode;
-#endif
 	int is_non_blocking;
 	int ret;

@ -3609,40 +3606,23 @@ PHP_FUNCTION(pg_send_query)
 	CHECK_PGSQL_LINK(link);
 	pgsql = link->conn;

-#ifdef LIBPQ_HAS_PIPELINING
-	is_pipeline_mode = (PQpipelineStatus(pgsql) == PQ_PIPELINE_ON);
-	if (is_pipeline_mode) {
-		is_non_blocking = 1;
-	} else {
-#endif
-		is_non_blocking = PQisnonblocking(pgsql);
+	is_non_blocking = PQisnonblocking(pgsql);

-		if (is_non_blocking == 0 && PQsetnonblocking(pgsql, 1) == -1) {
-			php_error_docref(NULL, E_NOTICE, "Cannot set connection to nonblocking mode");
-			RETURN_FALSE;
-		}
-
-		if (_php_pgsql_link_has_results(pgsql)) {
-			php_error_docref(NULL, E_NOTICE,
-				"There are results on this connection. Call pg_get_result() until it returns FALSE");
-		}
-#ifdef LIBPQ_HAS_PIPELINING
+	if (is_non_blocking == 0 && PQsetnonblocking(pgsql, 1) == -1) {
+		php_error_docref(NULL, E_NOTICE, "Cannot set connection to nonblocking mode");
+		RETURN_FALSE;
+	}
+
+	if (_php_pgsql_link_has_results(pgsql)) {
+		php_error_docref(NULL, E_NOTICE,
+			"There are results on this connection. Call pg_get_result() until it returns FALSE");
 	}
-#endif

 	if (is_non_blocking) {
 		if (!PQsendQuery(pgsql, query)) {
 			RETURN_FALSE;
 		}
-#ifdef LIBPQ_HAS_PIPELINING
-		if (is_pipeline_mode) {
-			ret = 0;
-		} else {
-#endif
-			ret = PQflush(pgsql);
-#ifdef LIBPQ_HAS_PIPELINING
-		}
-#endif
+		ret = PQflush(pgsql);
 	} else {
 		if (!PQsendQuery(pgsql, query)) {
 			if ((PGG(auto_reset_persistent) & 2) && PQstatus(pgsql) != CONNECTION_OK) {
@ -3687,9 +3667,6 @@ PHP_FUNCTION(pg_send_query_params)
 	char *query;
 	size_t query_len;
 	PGconn *pgsql;
-#ifdef LIBPQ_HAS_PIPELINING
-	bool is_pipeline_mode;
-#endif
 	int is_non_blocking;
 	int ret;

@ -3701,26 +3678,17 @@ PHP_FUNCTION(pg_send_query_params)
 	CHECK_PGSQL_LINK(link);
 	pgsql = link->conn;

-#ifdef LIBPQ_HAS_PIPELINING
-	is_pipeline_mode = (PQpipelineStatus(pgsql) == PQ_PIPELINE_ON);
-	if (is_pipeline_mode) {
-		is_non_blocking = 1;
-	} else {
-#endif
-		is_non_blocking = PQisnonblocking(pgsql);
+	is_non_blocking = PQisnonblocking(pgsql);

-		if (is_non_blocking == 0 && PQsetnonblocking(pgsql, 1) == -1) {
-			php_error_docref(NULL, E_NOTICE, "Cannot set connection to nonblocking mode");
-			RETURN_FALSE;
-		}
-
-		if (_php_pgsql_link_has_results(pgsql)) {
-			php_error_docref(NULL, E_NOTICE,
-				"There are results on this connection. Call pg_get_result() until it returns FALSE");
-		}
-#ifdef LIBPQ_HAS_PIPELINING
+	if (is_non_blocking == 0 && PQsetnonblocking(pgsql, 1) == -1) {
+		php_error_docref(NULL, E_NOTICE, "Cannot set connection to nonblocking mode");
+		RETURN_FALSE;
+	}
+
+	if (_php_pgsql_link_has_results(pgsql)) {
+		php_error_docref(NULL, E_NOTICE,
+			"There are results on this connection. Call pg_get_result() until it returns FALSE");
 	}
-#endif

 	num_params = zend_hash_num_elements(Z_ARRVAL_P(pv_param_arr));
 	if (num_params > 0) {
@ -3759,15 +3727,7 @@ PHP_FUNCTION(pg_send_query_params)
 	}

 	if (is_non_blocking) {
-#ifdef LIBPQ_HAS_PIPELINING
-		if (is_pipeline_mode) {
-			ret = 0;
-		} else {
-#endif
-			ret = PQflush(pgsql);
-#ifdef LIBPQ_HAS_PIPELINING
-		}
-#endif
+		ret = PQflush(pgsql);
 	} else {
 		/* Wait to finish sending buffer */
 		while ((ret = PQflush(pgsql))) {
@ -3801,9 +3761,6 @@ PHP_FUNCTION(pg_send_prepare)
 	char *query, *stmtname;
 	size_t stmtname_len, query_len;
 	PGconn *pgsql;
-#ifdef LIBPQ_HAS_PIPELINING
-	bool is_pipeline_mode;
-#endif
 	int is_non_blocking;
 	int ret;

@ -3815,26 +3772,17 @@ PHP_FUNCTION(pg_send_prepare)
 	CHECK_PGSQL_LINK(link);
 	pgsql = link->conn;

-#ifdef LIBPQ_HAS_PIPELINING
-	is_pipeline_mode = (PQpipelineStatus(pgsql) == PQ_PIPELINE_ON);
-	if (is_pipeline_mode) {
-		is_non_blocking = 1;
-	} else {
-#endif
-		is_non_blocking = PQisnonblocking(pgsql);
+	is_non_blocking = PQisnonblocking(pgsql);

-		if (is_non_blocking == 0 && PQsetnonblocking(pgsql, 1) == -1) {
-			php_error_docref(NULL, E_NOTICE, "Cannot set connection to nonblocking mode");
-			RETURN_FALSE;
-		}
-
-		if (_php_pgsql_link_has_results(pgsql)) {
-			php_error_docref(NULL, E_NOTICE,
-				"There are results on this connection. Call pg_get_result() until it returns FALSE");
-		}
-#ifdef LIBPQ_HAS_PIPELINING
+	if (is_non_blocking == 0 && PQsetnonblocking(pgsql, 1) == -1) {
+		php_error_docref(NULL, E_NOTICE, "Cannot set connection to nonblocking mode");
+		RETURN_FALSE;
+	}
+
+	if (_php_pgsql_link_has_results(pgsql)) {
+		php_error_docref(NULL, E_NOTICE,
+			"There are results on this connection. Call pg_get_result() until it returns FALSE");
 	}
-#endif

 	if (!PQsendPrepare(pgsql, stmtname, query, 0, NULL)) {
 		if (is_non_blocking) {
@ -3850,15 +3798,7 @@ PHP_FUNCTION(pg_send_prepare)
 	}

 	if (is_non_blocking) {
-#ifdef LIBPQ_HAS_PIPELINING
-		if (is_pipeline_mode) {
-			ret = 0;
-		} else {
-#endif
-			ret = PQflush(pgsql);
-#ifdef LIBPQ_HAS_PIPELINING
-		}
-#endif
+		ret = PQflush(pgsql);
 	} else {
 		/* Wait to finish sending buffer */
 		while ((ret = PQflush(pgsql))) {
@ -3894,9 +3834,6 @@ PHP_FUNCTION(pg_send_execute)
 	char *stmtname;
 	size_t stmtname_len;
 	PGconn *pgsql;
-#ifdef LIBPQ_HAS_PIPELINING
-	bool is_pipeline_mode;
-#endif
 	int is_non_blocking;
 	int ret;

@ -3908,26 +3845,17 @@ PHP_FUNCTION(pg_send_execute)
 	CHECK_PGSQL_LINK(link);
 	pgsql = link->conn;

-#ifdef LIBPQ_HAS_PIPELINING
-	is_pipeline_mode = (PQpipelineStatus(pgsql) == PQ_PIPELINE_ON);
-	if (is_pipeline_mode) {
-		is_non_blocking = 1;
-	} else {
-#endif
-		is_non_blocking = PQisnonblocking(pgsql);
+	is_non_blocking = PQisnonblocking(pgsql);

-		if (is_non_blocking == 0 && PQsetnonblocking(pgsql, 1) == -1) {
-			php_error_docref(NULL, E_NOTICE, "Cannot set connection to nonblocking mode");
-			RETURN_FALSE;
-		}
-
-		if (_php_pgsql_link_has_results(pgsql)) {
-			php_error_docref(NULL, E_NOTICE,
-				"There are results on this connection. Call pg_get_result() until it returns FALSE");
-		}
-#ifdef LIBPQ_HAS_PIPELINING
+	if (is_non_blocking == 0 && PQsetnonblocking(pgsql, 1) == -1) {
+		php_error_docref(NULL, E_NOTICE, "Cannot set connection to nonblocking mode");
+		RETURN_FALSE;
+	}
+
+	if (_php_pgsql_link_has_results(pgsql)) {
+		php_error_docref(NULL, E_NOTICE,
+			"There are results on this connection. Call pg_get_result() until it returns FALSE");
 	}
-#endif

 	num_params = zend_hash_num_elements(Z_ARRVAL_P(pv_param_arr));
 	if (num_params > 0) {
@ -3968,15 +3896,7 @@ PHP_FUNCTION(pg_send_execute)
 	}

 	if (is_non_blocking) {
-#ifdef LIBPQ_HAS_PIPELINING
-		if (is_pipeline_mode) {
-			ret = 0;
-		} else {
-#endif
-			ret = PQflush(pgsql);
-#ifdef LIBPQ_HAS_PIPELINING
-		}
-#endif
+		ret = PQflush(pgsql);
 	} else {
 		/* Wait to finish sending buffer */
 		while ((ret = PQflush(pgsql))) {
@ -5958,85 +5878,4 @@ PHP_FUNCTION(pg_select)
 }
 /* }}} */

-#ifdef LIBPQ_HAS_PIPELINING
-PHP_FUNCTION(pg_enter_pipeline_mode)
-{
-	zval *pgsql_link;
-	pgsql_link_handle *pgsql_handle;
-
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &pgsql_link, pgsql_link_ce) == FAILURE) {
-		RETURN_THROWS();
-	}
-
-	pgsql_handle = Z_PGSQL_LINK_P(pgsql_link);
-	CHECK_PGSQL_LINK(pgsql_handle);
-
-	PQsetnonblocking(pgsql_handle->conn, 1);
-
-	RETURN_BOOL(PQenterPipelineMode(pgsql_handle->conn));
-}
-
-PHP_FUNCTION(pg_exit_pipeline_mode)
-{
-	zval *pgsql_link;
-	pgsql_link_handle *pgsql_handle;
-
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &pgsql_link, pgsql_link_ce) == FAILURE) {
-		RETURN_THROWS();
-	}
-
-	pgsql_handle = Z_PGSQL_LINK_P(pgsql_link);
-	CHECK_PGSQL_LINK(pgsql_handle);
-
-	PQsetnonblocking(pgsql_handle->conn, 0);
-
-	RETURN_BOOL(PQexitPipelineMode(pgsql_handle->conn));
-}
-
-PHP_FUNCTION(pg_send_flush_request)
-{
-	zval *pgsql_link;
-	pgsql_link_handle *pgsql_handle;
-
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &pgsql_link, pgsql_link_ce) == FAILURE) {
-		RETURN_THROWS();
-	}
-
-	pgsql_handle = Z_PGSQL_LINK_P(pgsql_link);
-	CHECK_PGSQL_LINK(pgsql_handle);
-
-	RETURN_BOOL(PQsendFlushRequest(pgsql_handle->conn));
-}
-
-PHP_FUNCTION(pg_pipeline_sync)
-{
-	zval *pgsql_link;
-	pgsql_link_handle *pgsql_handle;
-
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &pgsql_link, pgsql_link_ce) == FAILURE) {
-		RETURN_THROWS();
-	}
-
-	pgsql_handle = Z_PGSQL_LINK_P(pgsql_link);
-	CHECK_PGSQL_LINK(pgsql_handle);
-
-	RETURN_BOOL(PQpipelineSync(pgsql_handle->conn));
-}
-
-PHP_FUNCTION(pg_pipeline_status)
-{
-	zval *pgsql_link;
-	pgsql_link_handle *pgsql_handle;
-
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &pgsql_link, pgsql_link_ce) == FAILURE) {
-		RETURN_THROWS();
-	}
-
-	pgsql_handle = Z_PGSQL_LINK_P(pgsql_link);
-	CHECK_PGSQL_LINK(pgsql_handle);
-
-	RETURN_LONG(PQpipelineStatus(pgsql_handle->conn));
-}
-#endif
-
 #endif
--- a/ext/pgsql/pgsql.stub.php
+++ b/ext/pgsql/pgsql.stub.php
@ -440,29 +440,6 @@ namespace {
    const PGSQL_TRACE_REGRESS_MODE = UNKNOWN;
 #endif

-#ifdef LIBPQ_HAS_PIPELINING
-    /**
-     * @var int
-     * @cvalue PGRES_PIPELINE_SYNC
-     */
-    const PGSQL_PIPELINE_SYNC = UNKNOWN;
-    /**
-     * @var int
-     * @cvalue PQ_PIPELINE_ON
-     */
-    const PGSQL_PIPELINE_ON = UNKNOWN;
-    /**
-     * @var int
-     * @cvalue PQ_PIPELINE_OFF
-     */
-    const PGSQL_PIPELINE_OFF = UNKNOWN;
-    /**
-     * @var int
-     * @cvalue PQ_PIPELINE_ABORTED
-     */
-    const PGSQL_PIPELINE_ABORTED = UNKNOWN;
-#endif
-    
 #ifdef HAVE_PG_CONTEXT_VISIBILITY
    /* For pg_set_error_context_visibility() */

@ -963,14 +940,6 @@ namespace {
     */
    function pg_select(PgSql\Connection $connection, string $table_name, array $conditions, int $flags = PGSQL_DML_EXEC, int $mode = PGSQL_ASSOC): array|string|false {}

-#ifdef LIBPQ_HAS_PIPELINING
-    function pg_enter_pipeline_mode(PgSql\Connection $connection): bool {}
-    function pg_exit_pipeline_mode(PgSql\Connection $connection): bool {}
-    function pg_send_flush_request(PgSql\Connection $connection): bool {}
-    function pg_pipeline_sync(PgSql\Connection $connection): bool {}
-    function pg_pipeline_status(PgSql\Connection $connection): int {}
-#endif
-
 #ifdef HAVE_PG_CONTEXT_VISIBILITY
    function pg_set_error_context_visibility(PgSql\Connection $connection, int $visibility): int {}
 #endif
--- a/ext/pgsql/pgsql_arginfo.h
+++ b/ext/pgsql/pgsql_arginfo.h
@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 25badfac7b1d807202b80fd544e6db234fd726fd */
+ * Stub hash: 7966ed8575d26d934f6b292f3b13b0b6a4bf0e1e */

 ZEND_BEGIN_ARG_WITH_RETURN_OBJ_TYPE_MASK_EX(arginfo_pg_connect, 0, 1, PgSql\\Connection, MAY_BE_FALSE)
 	ZEND_ARG_TYPE_INFO(0, connection_string, IS_STRING, 0)
@ -452,30 +452,6 @@ ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_pg_select, 0, 3, MAY_BE_ARRAY|MA
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, mode, IS_LONG, 0, "PGSQL_ASSOC")
 ZEND_END_ARG_INFO()

-#if defined(LIBPQ_HAS_PIPELINING)
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pg_enter_pipeline_mode, 0, 1, _IS_BOOL, 0)
-	ZEND_ARG_OBJ_INFO(0, connection, PgSql\\Connection, 0)
-ZEND_END_ARG_INFO()
-#endif
-
-#if defined(LIBPQ_HAS_PIPELINING)
-#define arginfo_pg_exit_pipeline_mode arginfo_pg_enter_pipeline_mode
-#endif
-
-#if defined(LIBPQ_HAS_PIPELINING)
-#define arginfo_pg_send_flush_request arginfo_pg_enter_pipeline_mode
-#endif
-
-#if defined(LIBPQ_HAS_PIPELINING)
-#define arginfo_pg_pipeline_sync arginfo_pg_enter_pipeline_mode
-#endif
-
-#if defined(LIBPQ_HAS_PIPELINING)
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pg_pipeline_status, 0, 1, IS_LONG, 0)
-	ZEND_ARG_OBJ_INFO(0, connection, PgSql\\Connection, 0)
-ZEND_END_ARG_INFO()
-#endif
-
 #if defined(HAVE_PG_CONTEXT_VISIBILITY)
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pg_set_error_context_visibility, 0, 2, IS_LONG, 0)
 	ZEND_ARG_OBJ_INFO(0, connection, PgSql\\Connection, 0)
@ -575,21 +551,6 @@ ZEND_FUNCTION(pg_insert);
 ZEND_FUNCTION(pg_update);
 ZEND_FUNCTION(pg_delete);
 ZEND_FUNCTION(pg_select);
-#if defined(LIBPQ_HAS_PIPELINING)
-ZEND_FUNCTION(pg_enter_pipeline_mode);
-#endif
-#if defined(LIBPQ_HAS_PIPELINING)
-ZEND_FUNCTION(pg_exit_pipeline_mode);
-#endif
-#if defined(LIBPQ_HAS_PIPELINING)
-ZEND_FUNCTION(pg_send_flush_request);
-#endif
-#if defined(LIBPQ_HAS_PIPELINING)
-ZEND_FUNCTION(pg_pipeline_sync);
-#endif
-#if defined(LIBPQ_HAS_PIPELINING)
-ZEND_FUNCTION(pg_pipeline_status);
-#endif
 #if defined(HAVE_PG_CONTEXT_VISIBILITY)
 ZEND_FUNCTION(pg_set_error_context_visibility);
 #endif
@ -710,21 +671,6 @@ static const zend_function_entry ext_functions[] = {
 	ZEND_FE(pg_update, arginfo_pg_update)
 	ZEND_FE(pg_delete, arginfo_pg_delete)
 	ZEND_FE(pg_select, arginfo_pg_select)
-#if defined(LIBPQ_HAS_PIPELINING)
-	ZEND_FE(pg_enter_pipeline_mode, arginfo_pg_enter_pipeline_mode)
-#endif
-#if defined(LIBPQ_HAS_PIPELINING)
-	ZEND_FE(pg_exit_pipeline_mode, arginfo_pg_exit_pipeline_mode)
-#endif
-#if defined(LIBPQ_HAS_PIPELINING)
-	ZEND_FE(pg_send_flush_request, arginfo_pg_send_flush_request)
-#endif
-#if defined(LIBPQ_HAS_PIPELINING)
-	ZEND_FE(pg_pipeline_sync, arginfo_pg_pipeline_sync)
-#endif
-#if defined(LIBPQ_HAS_PIPELINING)
-	ZEND_FE(pg_pipeline_status, arginfo_pg_pipeline_status)
-#endif
 #if defined(HAVE_PG_CONTEXT_VISIBILITY)
 	ZEND_FE(pg_set_error_context_visibility, arginfo_pg_set_error_context_visibility)
 #endif
@ -848,18 +794,6 @@ static void register_pgsql_symbols(int module_number)
 #if defined(PQTRACE_REGRESS_MODE)
 	REGISTER_LONG_CONSTANT("PGSQL_TRACE_REGRESS_MODE", PQTRACE_REGRESS_MODE, CONST_PERSISTENT);
 #endif
-#if defined(LIBPQ_HAS_PIPELINING)
-	REGISTER_LONG_CONSTANT("PGSQL_PIPELINE_SYNC", PGRES_PIPELINE_SYNC, CONST_PERSISTENT);
-#endif
-#if defined(LIBPQ_HAS_PIPELINING)
-	REGISTER_LONG_CONSTANT("PGSQL_PIPELINE_ON", PQ_PIPELINE_ON, CONST_PERSISTENT);
-#endif
-#if defined(LIBPQ_HAS_PIPELINING)
-	REGISTER_LONG_CONSTANT("PGSQL_PIPELINE_OFF", PQ_PIPELINE_OFF, CONST_PERSISTENT);
-#endif
-#if defined(LIBPQ_HAS_PIPELINING)
-	REGISTER_LONG_CONSTANT("PGSQL_PIPELINE_ABORTED", PQ_PIPELINE_ABORTED, CONST_PERSISTENT);
-#endif
 #if defined(HAVE_PG_CONTEXT_VISIBILITY)
 	REGISTER_LONG_CONSTANT("PGSQL_SHOW_CONTEXT_NEVER", PQSHOW_CONTEXT_NEVER, CONST_PERSISTENT);
 #endif
--- a/ext/pgsql/tests/pg_pipeline_sync.phpt
+++ b/ext/pgsql/tests/pg_pipeline_sync.phpt
@ -1,130 +0,0 @@
--TEST--
-PostgreSQL pipeline mode
--EXTENSIONS--
-pgsql
--SKIPIF--
-<?php
-include("skipif.inc");
-if (!defined('PGSQL_PIPELINE_SYNC') || !function_exists('pg_send_query_params')) {
-    die('skip pipeline mode not available');
-}
-?>
--FILE--
-<?php
-
-include('config.inc');
-include('nonblocking.inc');
-
-if (!$db = pg_connect($conn_str, PGSQL_CONNECT_ASYNC)) {
-    die("pg_connect() error");
-} elseif (pg_connection_status($db) === PGSQL_CONNECTION_BAD) {
-    die("pg_connect() error");
-} elseif ($db_socket = pg_socket($db)) {
-    stream_set_blocking($db_socket, FALSE);
-} else {
-    die("pg_socket() error");
-}
-
-while (true) {
-    switch ($status = pg_connect_poll($db)) {
-        case PGSQL_POLLING_READING:
-            nb_is_readable($db_socket);
-            break;
-        case PGSQL_POLLING_WRITING:
-            nb_is_writable($db_socket);
-            break;
-        case PGSQL_POLLING_FAILED:
-            die("async connection failed");
-        case PGSQL_POLLING_OK:
-            break 2;
-        default:
-            die("unknown poll status");
-    }
-}
-
-if (!pg_enter_pipeline_mode($db)) {
-    die('pg_enter_pipeline_mode{}');
-}
-
-if (!pg_send_query_params($db, "select $1 as index, now() + ($1||' day')::interval as time", array(1))) {
-    die('pg_send_query_params failed');
-}
-
-if (!pg_flush($db)) {
-    die('pg_flush failed');
-}
-
-for ($i = 2; $i < 50; ++$i) {
-    if (!pg_send_query_params($db, "select $1 as index, now() + ($1||' day')::interval as time", array($i))) {
-        die('pg_send_query_params failed');
-    }
-}
-
-if (!pg_send_flush_request($db)) {
-    die('pg_send_flush_request failed');
-}
-
-for ($i = 50; $i < 99; ++$i) {
-    if (!pg_send_query_params($db, "select $1 as index, now() + ($1||' day')::interval as time", array($i))) {
-        die('pg_send_query_params failed');
-    }
-}
-
-if (!pg_pipeline_sync($db)) {
-    die('pg_pipeline_sync failed');
-}
-
-if (pg_pipeline_status($db) !== PGSQL_PIPELINE_ON) {
-    die('pg_pipeline_status failed');
-}
-
-if (!($stream = pg_socket($db))) {
-    die('pg_socket');
-}
-
-if (pg_connection_busy($db)) {
-    $read = [$stream]; $write = $ex = [];
-    while (!stream_select($read, $write, $ex, null, null)) { }
-}
-
-for ($i = 1; $i < 99; ++$i) {
-    if (!($result = pg_get_result($db))) {
-        die('pg_get_result');
-    }
-
-    if (pg_result_status($result) !== PGSQL_TUPLES_OK) {
-        die('pg_result_status failed');
-    }
-
-    if (pg_num_rows($result) == -1) {
-        die('pg_num_rows failed');
-    }
-
-    if (!($row = pg_fetch_row($result, null))) {
-        die('pg_fetch_row failed');
-    }
-
-    pg_free_result($result);
-
-    if (pg_get_result($db) !== false) {
-        die('pg_get_result failed');
-    }
-}
-
-if (($result = pg_get_result($db)) !== false) {
-	if (pg_result_status($result) !== PGSQL_PIPELINE_SYNC) {
-		die('pg_result_status failed');
-	}
-}
-
-if (!pg_exit_pipeline_mode($db)) {
-    die('pg_exit_pipeline_mode failed');
-}
-
-echo "OK";
-
-pg_close($db);
-
-?>
--EXPECT--
-OK