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WL#2936

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"Server Variables for Plugins"
  Implement support for plugins to declare server variables.
  Demonstrate functionality by removing InnoDB specific code from sql/*
  New feature for HASH - HASH_UNIQUE flag
  New feature for DYNAMIC_ARRAY - initializer accepts preallocated ptr.
  Completed support for plugin reference counting.
This commit is contained in:
antony@ppcg5.local
2007-03-02 08:43:45 -08:00
parent 83a5eac0a4
commit dc24473cb2
62 changed files with 4546 additions and 2154 deletions
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11
sql/handler.h
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@@ -876,6 +876,8 @@ public:
class handler :public Sql_alloc
{
friend class ha_partition;
friend int ha_delete_table(THD*,handlerton*,const char*,const char*,
const char*,bool);
protected:
struct st_table_share *table_share; /* The table definition */
@@ -894,7 +896,12 @@ class handler :public Sql_alloc
virtual int rnd_init(bool scan) =0;
virtual int rnd_end() { return 0; }
virtual ulonglong table_flags(void) const =0;
void ha_statistic_increment(ulong SSV::*offset) const;
enum enum_tx_isolation ha_tx_isolation(void) const;
uint ha_sql_command(void) const;
void **ha_data(void) const;
THD *ha_thd(void) const;
ha_rows estimation_rows_to_insert;
virtual void start_bulk_insert(ha_rows rows) {}
@@ -1626,9 +1633,9 @@ extern ulong total_ha, total_ha_2pc;
/* lookups */
handlerton *ha_default_handlerton(THD *thd);
handlerton *ha_resolve_by_name(THD *thd, const LEX_STRING *name);
plugin_ref ha_resolve_by_name(THD *thd, const LEX_STRING *name);
plugin_ref ha_lock_engine(THD *thd, handlerton *hton);
handlerton *ha_resolve_by_legacy_type(THD *thd, enum legacy_db_type db_type);
const char *ha_get_storage_engine(enum legacy_db_type db_type);
handler *get_new_handler(TABLE_SHARE *share, MEM_ROOT *alloc,
handlerton *db_type);
handlerton *ha_checktype(THD *thd, enum legacy_db_type database_type,