Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 108 insertions, 0 deletions

diff --git a/sql/create_options.h b/sql/create_options.h
new file mode 100644
index 00000000..ce645167
--- /dev/null
+++ b/sql/create_options.h
@@ -0,0 +1,108 @@
+/* Copyright (C) 2010 Monty Program Ab
+
+   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
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
+
+/**
+  @file
+
+  Engine defined options of tables/fields/keys in CREATE/ALTER TABLE.
+*/
+
+#ifndef SQL_CREATE_OPTIONS_INCLUDED
+#define SQL_CREATE_OPTIONS_INCLUDED
+
+#include "sql_class.h"
+
+enum { ENGINE_OPTION_MAX_LENGTH=32767 };
+
+class engine_option_value: public Sql_alloc
+{
+ public:
+  LEX_CSTRING name;
+  LEX_CSTRING value;
+  engine_option_value *next;    ///< parser puts them in a FIFO linked list
+  bool parsed;                  ///< to detect unrecognized options
+  bool quoted_value;            ///< option=VAL vs. option='VAL'
+
+  engine_option_value(engine_option_value *src,
+                      engine_option_value **start, engine_option_value **end) :
+    name(src->name), value(src->value),
+    next(NULL), parsed(src->parsed), quoted_value(src->quoted_value)
+  {
+    link(start, end);
+  }
+  engine_option_value(LEX_CSTRING &name_arg, LEX_CSTRING &value_arg,
+                      bool quoted,
+                      engine_option_value **start, engine_option_value **end) :
+    name(name_arg), value(value_arg),
+    next(NULL), parsed(false), quoted_value(quoted)
+  {
+    link(start, end);
+  }
+  engine_option_value(LEX_CSTRING &name_arg,
+                      engine_option_value **start, engine_option_value **end) :
+    name(name_arg), value(null_clex_str),
+    next(NULL), parsed(false), quoted_value(false)
+  {
+    link(start, end);
+  }
+  engine_option_value(LEX_CSTRING &name_arg, ulonglong value_arg,
+                      engine_option_value **start, engine_option_value **end,
+                      MEM_ROOT *root) :
+    name(name_arg), next(NULL), parsed(false), quoted_value(false)
+  {
+    char *str;
+    if (likely((value.str= str= (char *)alloc_root(root, 22))))
+    {
+      value.length= longlong10_to_str(value_arg, str, 10) - str;
+      link(start, end);
+    }
+  }
+  static uchar *frm_read(const uchar *buff, const uchar *buff_end,
+                         engine_option_value **start,
+                         engine_option_value **end, MEM_ROOT *root);
+  void link(engine_option_value **start, engine_option_value **end);
+  uint frm_length();
+  uchar *frm_image(uchar *buff);
+};
+
+typedef struct st_key KEY;
+class Create_field;
+
+bool resolve_sysvar_table_options(handlerton *hton);
+void free_sysvar_table_options(handlerton *hton);
+bool parse_engine_table_options(THD *thd, handlerton *ht, TABLE_SHARE *share);
+bool parse_option_list(THD* thd, handlerton *hton, void *option_struct,
+                       engine_option_value **option_list,
+                       ha_create_table_option *rules,
+                       bool suppress_warning, MEM_ROOT *root);
+bool engine_table_options_frm_read(const uchar *buff, size_t length,
+                                   TABLE_SHARE *share);
+engine_option_value *merge_engine_table_options(engine_option_value *source,
+                                                engine_option_value *changes,
+                                                MEM_ROOT *root);
+
+uint engine_table_options_frm_length(engine_option_value *table_option_list,
+                                     List<Create_field> &create_fields,
+                                     uint keys, KEY *key_info);
+uchar *engine_table_options_frm_image(uchar *buff,
+                                      engine_option_value *table_option_list,
+                                      List<Create_field> &create_fields,
+                                      uint keys, KEY *key_info);
+
+bool engine_options_differ(void *old_struct, void *new_struct,
+                           ha_create_table_option *rules);
+bool is_engine_option_known(engine_option_value *opt,
+                            ha_create_table_option *rules);
+#endif