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Merge 5.5-mwl248 -> 10.0-base

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This commit is contained in:
Igor Babaev
2013-01-08 19:34:33 -08:00
parent 88b59efef6 7d9df8075e
commit f853333e09
54 changed files with 2575 additions and 1676 deletions
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24
sql/table.h
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@ -562,6 +562,21 @@ typedef I_P_List <Wait_for_flush,
Wait_for_flush_list;
/**
Control block to access table statistics loaded
from persistent statistical tables
*/
struct TABLE_STATISTICS_CB
{
MEM_ROOT mem_root; /* MEM_ROOT to allocate statistical data for the table */
Table_statistics *table_stats; /* Structure to access the statistical data */
bool stats_can_be_read; /* Memory for statistical data is allocated */
bool stats_is_read; /* Statistical data for table has been read
from statistical tables */
};
/**
This structure is shared between different table objects. There is one
instance of table share per one table in the database.
@ -599,14 +614,7 @@ struct TABLE_SHARE
KEY *key_info; /* data of keys in database */
uint *blob_field; /* Index to blobs in Field arrray*/
bool stats_can_be_read; /* Memory for statistical data is allocated */
bool stats_is_read; /* Statistical data for table has been read
from statistical tables */
/*
This structure is used for statistical data on the table
that has been read from the statistical table table_stat
*/
Table_statistics *read_stats;
TABLE_STATISTICS_CB stats_cb;
uchar *default_values; /* row with default values */
LEX_STRING comment; /* Comment about table */