Merge branch '10.4' into 10.5

1 files changed, 25 insertions, 40 deletions

diff --git a/client/mysqldump.c b/client/mysqldump.c
index 4d3fac02e35..1332da9ab00 100644
--- a/client/mysqldump.c
+++ b/client/mysqldump.c
@@ -148,6 +148,7 @@ static ulonglong opt_system= 0ULL;
 static my_bool insert_pat_inited= 0, debug_info_flag= 0, debug_check_flag= 0,
                select_field_names_inited= 0;
 static ulong opt_max_allowed_packet, opt_net_buffer_length;
+static double opt_max_statement_time= 0.0;
 static MYSQL mysql_connection,*mysql=0;
 static DYNAMIC_STRING insert_pat, select_field_names;
 static char  *opt_password=0,*current_user=0,
@@ -164,6 +165,7 @@ static my_bool server_supports_switching_charsets= TRUE;
 static ulong opt_compatible_mode= 0;
 #define MYSQL_OPT_MASTER_DATA_EFFECTIVE_SQL 1
 #define MYSQL_OPT_MASTER_DATA_COMMENTED_SQL 2
+#define MYSQL_OPT_MAX_STATEMENT_TIME 0
 #define MYSQL_OPT_SLAVE_DATA_EFFECTIVE_SQL 1
 #define MYSQL_OPT_SLAVE_DATA_COMMENTED_SQL 2
 static uint opt_mysql_port= 0, opt_master_data;
@@ -468,6 +470,10 @@ static struct my_option my_long_options[] =
     &opt_max_allowed_packet, &opt_max_allowed_packet, 0,
     GET_ULONG, REQUIRED_ARG, 24*1024*1024, 4096,
    (longlong) 2L*1024L*1024L*1024L, MALLOC_OVERHEAD, 1024, 0},
+  {"max-statement-time", MYSQL_OPT_MAX_STATEMENT_TIME,
+   "Max statement execution time. If unset, overrides server default with 0.",
+   &opt_max_statement_time, &opt_max_statement_time, 0, GET_DOUBLE,
+   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
   {"net_buffer_length", OPT_NET_BUFFER_LENGTH, 
    "The buffer size for TCP/IP and socket communication.",
     &opt_net_buffer_length, &opt_net_buffer_length, 0,
@@ -3110,9 +3116,8 @@ static uint get_table_structure(const char *table, const char *db, char *table_t
       if (strcmp(field->name, "View") == 0)
       {
         char *scv_buff= NULL;
-        my_ulonglong n_cols;
 
-        verbose_msg("-- It's a view, create dummy table for view\n");
+        verbose_msg("-- It's a view, create dummy view for view\n");
 
         /* save "show create" statement for later */
         if ((row= mysql_fetch_row(result)) && (scv_buff=row[1]))
@@ -3121,9 +3126,9 @@ static uint get_table_structure(const char *table, const char *db, char *table_t
         mysql_free_result(result);
 
         /*
-          Create a table with the same name as the view and with columns of
+          Create a view with the same name as the view and with columns of
           the same name in order to satisfy views that depend on this view.
-          The table will be removed when the actual view is created.
+          The view will be removed when the actual view is created.
 
           The properties of each column, are not preserved in this temporary
           table, because they are not necessary.
@@ -3155,23 +3160,9 @@ static uint get_table_structure(const char *table, const char *db, char *table_t
         else
           my_free(scv_buff);
 
-        n_cols= mysql_num_rows(result);
-        if (0 != n_cols)
+        if (mysql_num_rows(result) != 0)
         {
 
-          /*
-            The actual formula is based on the column names and how the .FRM
-            files are stored and is too volatile to be repeated here.
-            Thus we simply warn the user if the columns exceed a limit we
-            know works most of the time.
-          */
-          if (n_cols >= 1000)
-            fprintf(stderr,
-                    "-- Warning: Creating a stand-in table for view %s may"
-                    " fail when replaying the dump file produced because "
-                    "of the number of columns exceeding 1000. Exercise "
-                    "caution when replaying the produced dump file.\n", 
-                    table);
           if (opt_drop)
           {
             /*
@@ -3187,7 +3178,7 @@ static uint get_table_structure(const char *table, const char *db, char *table_t
           fprintf(sql_file,
                   "SET @saved_cs_client     = @@character_set_client;\n"
                   "SET character_set_client = utf8;\n"
-                  "/*!50001 CREATE TABLE %s (\n",
+                  "/*!50001 CREATE VIEW %s AS SELECT\n",
                   result_table);
 
           /*
@@ -3199,28 +3190,21 @@ static uint get_table_structure(const char *table, const char *db, char *table_t
           row= mysql_fetch_row(result);
 
           /*
-            The actual column type doesn't matter anyway, since the table will
+            The actual column value doesn't matter anyway, since the view will
             be dropped at run time.
-            We do tinyint to avoid hitting the row size limit.
           */
-          fprintf(sql_file, "  %s tinyint NOT NULL",
+          fprintf(sql_file, " 1 AS %s",
                   quote_name(row[0], name_buff, 0));
 
           while((row= mysql_fetch_row(result)))
           {
             /* col name, col type */
-            fprintf(sql_file, ",\n  %s tinyint NOT NULL",
+            fprintf(sql_file, ",\n  1 AS %s",
                     quote_name(row[0], name_buff, 0));
           }
 
-          /*
-            Stand-in tables are always MyISAM tables as the default
-            engine might have a column-limit that's lower than the
-            number of columns in the view, and MyISAM support is
-            guaranteed to be in the server anyway.
-          */
           fprintf(sql_file,
-                  "\n) ENGINE=MyISAM */;\n"
+                  " */;\n"
                   "SET character_set_client = @saved_cs_client;\n");
 
           check_io(sql_file);
@@ -6714,15 +6698,8 @@ static my_bool get_view_structure(char *table, char* db)
                 "\n--\n-- Final view structure for view %s\n--\n\n",
                 fix_for_comment(result_table));
 
-  /* Table might not exist if this view was dumped with --tab. */
-  fprintf(sql_file, "/*!50001 DROP TABLE IF EXISTS %s*/;\n", opt_quoted_table);
-  if (opt_drop)
-  {
-    fprintf(sql_file, "/*!50001 DROP VIEW IF EXISTS %s*/;\n",
-            opt_quoted_table);
-    check_io(sql_file);
-  }
-
+  /* View might not exist if this view was dumped with --tab. */
+  fprintf(sql_file, "/*!50001 DROP VIEW IF EXISTS %s*/;\n", opt_quoted_table);
 
   my_snprintf(query, sizeof(query),
               "SELECT CHECK_OPTION, DEFINER, SECURITY_TYPE, "
@@ -6894,6 +6871,7 @@ static void dynstr_realloc_checked(DYNAMIC_STRING *str, ulong additional_size)
 
 int main(int argc, char **argv)
 {
+  char query[48];
   char bin_log_name[FN_REFLEN];
   int exit_code;
   int consistent_binlog_pos= 0;
@@ -6935,6 +6913,13 @@ int main(int argc, char **argv)
   if (!path)
     write_header(md_result_file, *argv);
 
+  /* Set MAX_STATEMENT_TIME to 0 unless set in client */
+  my_snprintf(query, sizeof(query), "/*!100100 SET @@MAX_STATEMENT_TIME=%f */", opt_max_statement_time);
+  mysql_query(mysql, query);
+
+  /* Set server side timeout between client commands to server compiled-in default */
+  mysql_query(mysql, "/*!100100 SET WAIT_TIMEOUT=DEFAULT */");
+
   /* Check if the server support multi source */
   if (mysql_get_server_version(mysql) >= 100000)
   {