MNDR:

- remove COM_FIELD_LIST

5 files changed, 3 insertions, 160 deletions

diff --git a/ext/mysqlnd/mysqlnd.c b/ext/mysqlnd/mysqlnd.c
index f01d6687c1..3fb0d36a13 100644
--- a/ext/mysqlnd/mysqlnd.c
+++ b/ext/mysqlnd/mysqlnd.c
@@ -1373,72 +1373,6 @@ mysqlnd_poll(MYSQLND **r_array, MYSQLND **e_array, MYSQLND ***dont_poll, long se
 /* }}} */
 
 
-/*
-  COM_FIELD_LIST is special, different from a SHOW FIELDS FROM :
-  - There is no result set header - status from the command, which
-    impacts us to allocate big chunk of memory for reading the metadata.
-  - The EOF packet is consumed by the metadata packet reader.
-*/
-
-/* {{{ mysqlnd_conn_data::list_fields */
-MYSQLND_RES *
-MYSQLND_METHOD(mysqlnd_conn_data, list_fields)(MYSQLND_CONN_DATA * conn, const char *table, const char *achtung_wild)
-{
-	const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), list_fields);
-	MYSQLND_RES * result = NULL;
-	DBG_ENTER("mysqlnd_conn_data::list_fields");
-	DBG_INF_FMT("conn=%llu table=%s wild=%s", conn->thread_id, table? table:"",achtung_wild? achtung_wild:"");
-
-	if (PASS == conn->m->local_tx_start(conn, this_func)) {
-		do {
-			enum_func_status ret = FAIL;
-			const MYSQLND_CSTRING tbl = {table, strlen(table)};
-			const MYSQLND_CSTRING wildcard = {achtung_wild, strlen(achtung_wild)};
-
-			struct st_mysqlnd_protocol_command * command = conn->command_factory(COM_FIELD_LIST, conn, tbl, wildcard);
-			if (command) {
-				ret = command->run(command);
-				command->free_command(command);
-			}
-			if (ret == FAIL) {
-				break;
-			}
-
-			/*
-			   Prepare for the worst case.
-			   MyISAM goes to 2500 BIT columns, double it for safety.
-			*/
-			result = conn->m->result_init(5000, conn->persistent);
-			if (!result) {
-				break;
-			}
-
-			if (FAIL == result->m.read_result_metadata(result, conn)) {
-				DBG_ERR("Error occurred while reading metadata");
-				result->m.free_result(result, TRUE);
-				result = NULL;
-				break;
-			}
-
-			result->type = MYSQLND_RES_NORMAL;
-			result->unbuf = mysqlnd_result_unbuffered_init(result->field_count, FALSE, result->persistent);
-			if (!result->unbuf) {
-				/* OOM */
-				SET_OOM_ERROR(conn->error_info);
-				result->m.free_result(result, TRUE);
-				result = NULL;
-				break;
-			}
-			result->unbuf->eof_reached = TRUE;
-		} while (0);
-		conn->m->local_tx_end(conn, this_func, result == NULL? FAIL:PASS);
-	}
-
-	DBG_RETURN(result);
-}
-/* }}} */
-
-
 /* {{{ mysqlnd_conn_data::list_method */
 MYSQLND_RES *
 MYSQLND_METHOD(mysqlnd_conn_data, list_method)(MYSQLND_CONN_DATA * conn, const char * query, const char *achtung_wild, char *par1)
@@ -2894,7 +2828,6 @@ MYSQLND_CLASS_METHODS_START(mysqlnd_conn_data)
 	MYSQLND_METHOD(mysqlnd_conn_data, get_proto_info),
 	MYSQLND_METHOD(mysqlnd_conn_data, info),
 	MYSQLND_METHOD(mysqlnd_conn_data, charset_name),
-	MYSQLND_METHOD(mysqlnd_conn_data, list_fields),
 	MYSQLND_METHOD(mysqlnd_conn_data, list_method),
 
 	MYSQLND_METHOD(mysqlnd_conn_data, insert_id),
@@ -2916,7 +2849,6 @@ MYSQLND_CLASS_METHODS_START(mysqlnd_conn_data)
 	MYSQLND_METHOD_PRIVATE(mysqlnd_conn_data, get_reference),
 	MYSQLND_METHOD_PRIVATE(mysqlnd_conn_data, free_reference),
 
-//	MYSQLND_METHOD(mysqlnd_conn_data, send_command_handle_response),
 	MYSQLND_METHOD(mysqlnd_conn_data, restart_psession),
 	MYSQLND_METHOD(mysqlnd_conn_data, end_psession),
 	MYSQLND_METHOD(mysqlnd_conn_data, send_close),
diff --git a/ext/mysqlnd/mysqlnd_result_meta.c b/ext/mysqlnd/mysqlnd_result_meta.c
index 9394f627e4..85c9794583 100644
--- a/ext/mysqlnd/mysqlnd_result_meta.c
+++ b/ext/mysqlnd/mysqlnd_result_meta.c
@@ -84,18 +84,9 @@ MYSQLND_METHOD(mysqlnd_res_meta, read_metadata)(MYSQLND_RES_METADATA * const met
 			DBG_RETURN(FAIL);
 		}
 
-		if (field_packet->stupid_list_fields_eof == TRUE) {
-			meta->field_count = i;
-			break;
-		}
-
 		if (mysqlnd_ps_fetch_functions[meta->fields[i].type].func == NULL) {
-			DBG_ERR_FMT("Unknown type %u sent by the server.  Please send a report to the developers",
-						meta->fields[i].type);
-			php_error_docref(NULL, E_WARNING,
-							 "Unknown type %u sent by the server. "
-							 "Please send a report to the developers",
-							 meta->fields[i].type);
+			DBG_ERR_FMT("Unknown type %u sent by the server.  Please send a report to the developers", meta->fields[i].type);
+			php_error_docref(NULL, E_WARNING, "Unknown type %u sent by the server. Please send a report to the developers", meta->fields[i].type);
 			PACKET_FREE(field_packet);
 			DBG_RETURN(FAIL);
 		}
diff --git a/ext/mysqlnd/mysqlnd_structs.h b/ext/mysqlnd/mysqlnd_structs.h
index f1db6f424d..8c15a7b885 100644
--- a/ext/mysqlnd/mysqlnd_structs.h
+++ b/ext/mysqlnd/mysqlnd_structs.h
@@ -493,7 +493,6 @@ typedef const char *		(*func_mysqlnd_conn_data__get_host_information)(const MYSQ
 typedef unsigned int		(*func_mysqlnd_conn_data__get_protocol_information)(const MYSQLND_CONN_DATA * const conn);
 typedef const char *		(*func_mysqlnd_conn_data__get_last_message)(const MYSQLND_CONN_DATA * const conn);
 typedef const char *		(*func_mysqlnd_conn_data__charset_name)(const MYSQLND_CONN_DATA * const conn);
-typedef MYSQLND_RES *		(*func_mysqlnd_conn_data__list_fields)(MYSQLND_CONN_DATA * conn, const char * table, const char * achtung_wild);
 typedef MYSQLND_RES *		(*func_mysqlnd_conn_data__list_method)(MYSQLND_CONN_DATA * conn, const char * query, const char * achtung_wild, char *par1);
 
 typedef uint64_t			(*func_mysqlnd_conn_data__get_last_insert_id)(const MYSQLND_CONN_DATA * const conn);
@@ -585,7 +584,6 @@ MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data)
 	func_mysqlnd_conn_data__get_protocol_information get_protocol_information;
 	func_mysqlnd_conn_data__get_last_message get_last_message;
 	func_mysqlnd_conn_data__charset_name charset_name;
-	func_mysqlnd_conn_data__list_fields list_fields;
 	func_mysqlnd_conn_data__list_method list_method;
 
 	func_mysqlnd_conn_data__get_last_insert_id get_last_insert_id;
diff --git a/ext/mysqlnd/mysqlnd_wireprotocol.c b/ext/mysqlnd/mysqlnd_wireprotocol.c
index ad89fc0007..975239011f 100644
--- a/ext/mysqlnd/mysqlnd_wireprotocol.c
+++ b/ext/mysqlnd/mysqlnd_wireprotocol.c
@@ -1292,9 +1292,8 @@ php_mysqlnd_rset_field_read(void * _packet)
 		DBG_ERR_FMT("Server error : (%u) %s", packet->error_info.error_no, packet->error_info.error);
 		DBG_RETURN(PASS);
 	} else if (EODATA_MARKER == *p && packet->header.size < 8) {
-		/* Premature EOF. That should be COM_FIELD_LIST */
+		/* Premature EOF. That should be COM_FIELD_LIST. But we don't support COM_FIELD_LIST anymore, thus this should not happen */
 		DBG_INF("Premature EOF. That should be COM_FIELD_LIST");
-		packet->stupid_list_fields_eof = TRUE;
 		DBG_RETURN(PASS);
 	}
 
@@ -3114,79 +3113,6 @@ mysqlnd_com_ping_create_command(va_list args)
 }
 /* }}} */
 
-/************************** COM_FIELD_LIST ******************************************/
-struct st_mysqlnd_protocol_com_field_list_command
-{
-	struct st_mysqlnd_protocol_command parent;
-	struct st_mysqlnd_com_field_list_context
-	{
-		MYSQLND_CONN_DATA * conn;
-		MYSQLND_CSTRING table;
-		MYSQLND_CSTRING achtung_wild;
-	} context;
-};
-
-
-/* {{{ mysqlnd_com_field_list_run */
-static enum_func_status
-mysqlnd_com_field_list_run(void *cmd)
-{
-	struct st_mysqlnd_protocol_com_field_list_command * command = (struct st_mysqlnd_protocol_com_field_list_command *) cmd;
-	enum_func_status ret = FAIL;
-	MYSQLND_CONN_DATA * conn = command->context.conn;
-	/* db + \0 + wild + \0 (for wild) */
-	zend_uchar buff[MYSQLND_MAX_ALLOWED_DB_LEN * 2 + 1 + 1], *p = buff;
-
-	DBG_ENTER("mysqlnd_com_field_list_run");
-
-	if (command->context.table.s && command->context.table.l) {
-		size_t to_copy = MIN(command->context.table.l, MYSQLND_MAX_ALLOWED_DB_LEN);
-		memcpy(p, command->context.table.s, to_copy);
-		p += to_copy;
-		*p++ = '\0';
-	}
-
-	if (command->context.achtung_wild.s && command->context.achtung_wild.l) {
-		size_t to_copy = MIN(command->context.achtung_wild.l, MYSQLND_MAX_ALLOWED_DB_LEN);
-		memcpy(p, command->context.achtung_wild.s, to_copy);
-		p += to_copy;
-		*p++ = '\0';
-	}
-
-	ret = send_command(COM_FIELD_LIST, buff, p - buff, FALSE,
-					   &conn->state,
-					   conn->error_info,
-					   conn->upsert_status,
-					   conn->stats,
-					   conn->payload_decoder_factory,
-					   conn->m->send_close,
-					   conn);
-
-	DBG_RETURN(ret);
-}
-/* }}} */
-
-
-/* {{{ mysqlnd_com_field_list_create_command */
-static struct st_mysqlnd_protocol_command *
-mysqlnd_com_field_list_create_command(va_list args)
-{
-	struct st_mysqlnd_protocol_com_field_list_command * command;
-	DBG_ENTER("mysqlnd_com_field_list_create_command");
-	command = mnd_ecalloc(1, sizeof(struct st_mysqlnd_protocol_com_field_list_command));
-	if (command) {
-		command->context.conn = va_arg(args, MYSQLND_CONN_DATA *);
-		command->context.table = va_arg(args, MYSQLND_CSTRING);
-		command->context.achtung_wild = va_arg(args, MYSQLND_CSTRING);
-
-		command->parent.free_command = mysqlnd_com_no_params_free_command;
-		command->parent.run = mysqlnd_com_field_list_run;
-	}
-
-	DBG_RETURN((struct st_mysqlnd_protocol_command *) command);
-}
-/* }}} */
-
 
 /************************** COM_STATISTICS ******************************************/
 struct st_mysqlnd_protocol_com_statistics_command
@@ -4174,9 +4100,6 @@ mysqlnd_get_command(enum php_mysqlnd_server_command command, ...)
 		case COM_PING:
 			ret = mysqlnd_com_ping_create_command(args);
 			break;
-		case COM_FIELD_LIST:
-			ret = mysqlnd_com_field_list_create_command(args);
-			break;
 		case COM_STATISTICS:
 			ret = mysqlnd_com_statistics_create_command(args);
 			break;
diff --git a/ext/mysqlnd/mysqlnd_wireprotocol.h b/ext/mysqlnd/mysqlnd_wireprotocol.h
index 8915cfd394..2643ea5564 100644
--- a/ext/mysqlnd/mysqlnd_wireprotocol.h
+++ b/ext/mysqlnd/mysqlnd_wireprotocol.h
@@ -207,7 +207,6 @@ typedef struct st_mysqlnd_packet_res_field {
 	MYSQLND_FIELD			*metadata;
 	/* For table definitions, empty for result sets */
 	zend_bool				skip_parsing;
-	zend_bool				stupid_list_fields_eof;
 	zend_bool				persistent_alloc;
 
 	MYSQLND_ERROR_INFO		error_info;