Merge 10.1 into 10.2

sql/mysql_install_db.cc

@@ -406,8 +406,8 @@ static int register_service()
 
 static void clean_directory(const char *dir)
 {
-  char dir2[MAX_PATH+2];
-  *(strmake_buf(dir2, dir)+1)= 0;
+  char dir2[MAX_PATH + 4]= {};
+  snprintf(dir2, MAX_PATH+2, "%s\\*", dir);
 
   SHFILEOPSTRUCT fileop;
   fileop.hwnd= NULL;    /* no status display */
@@ -558,7 +558,7 @@ static int create_db_instance()
   DWORD cwd_len= MAX_PATH;
   char cmdline[3*MAX_PATH];
   FILE *in;
-  bool cleanup_datadir= true;
+  bool created_datadir= false;
   DWORD last_error;
 
   verbose("Running bootstrap");
@@ -567,7 +567,11 @@ static int create_db_instance()
 
   /* Create datadir and datadir/mysql, if they do not already exist. */
 
-  if (!CreateDirectory(opt_datadir, NULL) && (GetLastError() != ERROR_ALREADY_EXISTS))
+  if (CreateDirectory(opt_datadir, NULL))
+  {
+    created_datadir= true;
+  }
+  else if (GetLastError() != ERROR_ALREADY_EXISTS)
   {
     last_error = GetLastError();
     switch(last_error)
@@ -604,9 +608,11 @@ static int create_db_instance()
     }
   }
 
-  if (PathIsDirectoryEmpty(opt_datadir))
+  if (!PathIsDirectoryEmpty(opt_datadir))
   {
-    cleanup_datadir= false;
+    fprintf(stderr,"ERROR : Data directory %s is not empty."
+        " Only new or empty existing directories are accepted for --datadir\n",opt_datadir);
+    exit(1);
   }
 
   if (!CreateDirectory("mysql",NULL))
@@ -735,10 +741,12 @@ static int create_db_instance()
   }
 
 end:
-  if (ret && cleanup_datadir)
+  if (ret)
   {
     SetCurrentDirectory(cwd);
     clean_directory(opt_datadir);
+    if (created_datadir)
+      RemoveDirectory(opt_datadir);
   }
   return ret;
 }

sql/sql_class.h

@@ -3610,7 +3610,11 @@ class THD :public Statement,
   bool is_bulk_op() const { return MY_TEST(bulk_param); }
 
   /// Returns Diagnostics-area for the current statement.
-  Diagnostics_area *get_stmt_da() const
+  Diagnostics_area *get_stmt_da()
+  { return m_stmt_da; }
+
+  /// Returns Diagnostics-area for the current statement.
+  const Diagnostics_area *get_stmt_da() const
   { return m_stmt_da; }
 
   /// Sets Diagnostics-area for the current statement.

sql/sql_show.cc

 /* Copyright (c) 2000, 2015, Oracle and/or its affiliates.
-   Copyright (c) 2009, 2017, MariaDB
+   Copyright (c) 2009, 2020, MariaDB
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -5088,16 +5088,16 @@ bool store_schema_shemata(THD* thd, TABLE *table, LEX_STRING *db_name,
 */
 static bool verify_database_directory_exists(const LEX_STRING &dbname)
 {
-  DBUG_ENTER("verity_database_exists");
+  DBUG_ENTER("verify_database_directory_exists");
   char path[FN_REFLEN + 16];
   uint path_len;
   MY_STAT stat_info;
   if (!dbname.str[0])
-    DBUG_RETURN(true); // Empty database name: does not exits.
+    DBUG_RETURN(true); // Empty database name: does not exist.
   path_len= build_table_filename(path, sizeof(path) - 1, dbname.str, "", "", 0);
   path[path_len - 1]= 0;
   if (!mysql_file_stat(key_file_misc, path, &stat_info, MYF(0)))
-    DBUG_RETURN(true); // The database directory was not found: does not exists.
+    DBUG_RETURN(true); // The database directory was not found: does not exist.
   DBUG_RETURN(false);  // The database directory was found.
 }
 

sql/winservice.c

@@ -150,10 +150,7 @@ int get_mysql_service_properties(const wchar_t *bin_path,
       There are rare cases where service config does not have 
       --defaults-filein the binary parth . There services were registered with 
       plain mysqld --install, the data directory is next to "bin" in this case.
-      Service name (second parameter) must be MySQL.
     */
-    if(wcscmp(args[1], L"MySQL") != 0)
-      goto end;
     have_inifile= FALSE;
   }
   else if(numargs == 3)
@@ -211,7 +208,7 @@ int get_mysql_service_properties(const wchar_t *bin_path,
     }
   }
 
-  if(!have_inifile)
+  if(!have_inifile || props->datadir[0] == 0)
   {
     /*
       Hard, although a rare case, we're guessing datadir and defaults-file.
@@ -235,22 +232,25 @@ int get_mysql_service_properties(const wchar_t *bin_path,
       *p= 0;
     }
 
-    /* Look for my.ini, my.cnf in the install root */
-    sprintf_s(props->inifile, MAX_PATH, "%s\\my.ini", install_root);
-    if (GetFileAttributes(props->inifile) == INVALID_FILE_ATTRIBUTES)
-    {
-      sprintf_s(props->inifile, MAX_PATH, "%s\\my.cnf", install_root);
-    }
-    if (GetFileAttributes(props->inifile) != INVALID_FILE_ATTRIBUTES)
-    {
-      /* Ini file found, get datadir from there */
-      GetPrivateProfileString("mysqld", "datadir", NULL, props->datadir,
-        MAX_PATH, props->inifile);
-    }
-    else
+    if (!have_inifile)
     {
-      /* No ini file */
-      props->inifile[0]= 0;
+      /* Look for my.ini, my.cnf in the install root */
+      sprintf_s(props->inifile, MAX_PATH, "%s\\my.ini", install_root);
+      if (GetFileAttributes(props->inifile) == INVALID_FILE_ATTRIBUTES)
+      {
+        sprintf_s(props->inifile, MAX_PATH, "%s\\my.cnf", install_root);
+      }
+      if (GetFileAttributes(props->inifile) != INVALID_FILE_ATTRIBUTES)
+      {
+        /* Ini file found, get datadir from there */
+        GetPrivateProfileString("mysqld", "datadir", NULL, props->datadir,
+                                MAX_PATH, props->inifile);
+      }
+      else
+      {
+        /* No ini file */
+        props->inifile[0]= 0;
+      }
     }
 
     /* Try datadir in install directory.*/