summaryrefslogtreecommitdiffstats
path: root/sql/create_options.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--sql/create_options.h108
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