Get rid of rea_create_table()

Moved rea_create_table() to the sole caller.

Also ha_create_partitioning_metadata(CHF_CREATE_FLAG) does cleanup on
error now.

Part of MDEV-17805 - Remove InnoDB cache for temporary tables.

sql/field.h

@@ -4972,7 +4972,7 @@ public:
   /** structure with parsed options (for comparing fields in ALTER TABLE) */
   ha_field_option_struct *option_struct;
   uint	offset;
-  uint8 interval_id;                    // For rea_create_table
+  uint8 interval_id;
   bool create_if_not_exists;            // Used in ALTER TABLE IF NOT EXISTS
 
   Create_field():

sql/ha_partition.cc

@@ -2828,6 +2828,8 @@ bool ha_partition::create_handler_file(const char *name)
       }
     }
     (void) mysql_file_close(file, MYF(0));
+    if (result)
+      mysql_file_delete(key_file_partition, file_name, MYF(MY_WME));
   }
   else
     result= TRUE;

sql/sql_table.cc

@@ -5031,9 +5031,22 @@ int create_table_impl(THD *thd, const LEX_CSTRING &orig_db,
     */
     if (!file || thd->is_error())
       goto err;
-    if (rea_create_table(thd, frm, path, db.str, table_name.str, create_info,
-                         file, frm_only))
+
+    if (thd->variables.keep_files_on_create)
+      create_info->options|= HA_CREATE_KEEP_FILES;
+
+    if (file->ha_create_partitioning_metadata(path, NULL, CHF_CREATE_FLAG))
       goto err;
+
+    if (!frm_only)
+    {
+      if (ha_create_table(thd, path, db.str, table_name.str, create_info, frm))
+      {
+        file->ha_create_partitioning_metadata(path, NULL, CHF_DELETE_FLAG);
+        deletefrm(path);
+        goto err;
+      }
+    }
   }
 
   create_info->table= 0;

sql/unireg.cc

@@ -509,49 +509,6 @@ err:
 }
 
 
-/**
-  Create a frm (table definition) file and the tables
-
-  @param thd           Thread handler
-  @param frm           Binary frm image of the table to create
-  @param path          Name of file (including database, without .frm)
-  @param db            Data base name
-  @param table_name    Table name
-  @param create_info   create info parameters
-  @param file          Handler to use or NULL if only frm needs to be created
-
-  @retval 0   ok
-  @retval 1   error
-*/
-
-int rea_create_table(THD *thd, LEX_CUSTRING *frm,
-                     const char *path, const char *db, const char *table_name,
-                     HA_CREATE_INFO *create_info, handler *file,
-                     bool no_ha_create_table)
-{
-  DBUG_ENTER("rea_create_table");
-
-  if (thd->variables.keep_files_on_create)
-    create_info->options|= HA_CREATE_KEEP_FILES;
-
-  if (file->ha_create_partitioning_metadata(path, NULL, CHF_CREATE_FLAG))
-    goto err_part;
-
-  if (!no_ha_create_table)
-  {
-    if (ha_create_table(thd, path, db, table_name, create_info, frm))
-      goto err_part;
-  }
-
-  DBUG_RETURN(0);
-
-err_part:
-  file->ha_create_partitioning_metadata(path, NULL, CHF_DELETE_FLAG);
-  deletefrm(path);
-  DBUG_RETURN(1);
-} /* rea_create_table */
-
-
 /* Pack keyinfo and keynames to keybuff for save in form-file. */
 
 static uint pack_keys(uchar *keybuff, uint key_count, KEY *keyinfo,

sql/unireg.h

@@ -183,10 +183,6 @@ enum extra2_field_flags {
   VERS_OPTIMIZED_UPDATE= 1 << INVISIBLE_MAX_BITS,
 };
 
-int rea_create_table(THD *thd, LEX_CUSTRING *frm,
-                     const char *path, const char *db, const char *table_name,
-                     HA_CREATE_INFO *create_info, handler *file,
-                     bool no_ha_create_table);
 LEX_CUSTRING build_frm_image(THD *thd, const LEX_CSTRING &table,
                              HA_CREATE_INFO *create_info,
                              List<Create_field> &create_fields,