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authorunknown <anozdrin/alik@station.>2007-12-14 16:30:22 +0300
committerunknown <anozdrin/alik@station.>2007-12-14 16:30:22 +0300
commit541ac204014fb7a051156fb369fadcf77342788c (patch)
tree362dc5c4acd0fff3e86d1b9d4b96ef068d73b341 /libmysqld/emb_qcache.cc
parenta6eec72e7bcf1ef04dd4569e51fa8845cb192fc1 (diff)
parent35742460f4f252f6d08217997ea2f103b57a5201 (diff)
downloadmariadb-git-541ac204014fb7a051156fb369fadcf77342788c.tar.gz
Merge station.:/mnt/raid/alik/MySQL/devel/5.1
into station.:/mnt/raid/alik/MySQL/devel/5.1-rt client/mysqltest.c: Auto merged include/mysql_com.h: Auto merged libmysqld/emb_qcache.cc: Auto merged libmysqld/emb_qcache.h: Auto merged libmysqld/lib_sql.cc: Auto merged mysql-test/lib/mtr_report.pl: Auto merged sql/ha_partition.cc: Auto merged sql/item_func.cc: Auto merged sql/mysql_priv.h: Auto merged sql/mysqld.cc: Auto merged sql/opt_range.cc: Auto merged sql/set_var.cc: Auto merged sql/set_var.h: Auto merged sql/slave.cc: Auto merged sql/sql_class.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_db.cc: Auto merged sql/sql_insert.cc: Auto merged sql/sql_parse.cc: Auto merged sql/sql_partition.cc: Auto merged sql/sql_select.cc: Auto merged sql/sql_table.cc: Auto merged sql/table.cc: Auto merged storage/myisam/ha_myisam.cc: Auto merged sql/protocol.cc: SCCS merged
Diffstat (limited to 'libmysqld/emb_qcache.cc')
-rw-r--r--libmysqld/emb_qcache.cc103
1 files changed, 69 insertions, 34 deletions
diff --git a/libmysqld/emb_qcache.cc b/libmysqld/emb_qcache.cc
index 07b7d82a0cc..fdd7f8ed776 100644
--- a/libmysqld/emb_qcache.cc
+++ b/libmysqld/emb_qcache.cc
@@ -19,7 +19,7 @@
#include "emb_qcache.h"
#include "embedded_priv.h"
-void Querycache_stream::store_char(char c)
+void Querycache_stream::store_uchar(uchar c)
{
if (data_end == cur_data)
use_next_block(TRUE);
@@ -142,7 +142,7 @@ void Querycache_stream::store_safe_str(const char *str, uint str_len)
store_int(0);
}
-char Querycache_stream::load_char()
+uchar Querycache_stream::load_uchar()
{
if (cur_data == data_end)
use_next_block(FALSE);
@@ -301,8 +301,8 @@ uint emb_count_querycache_size(THD *thd)
*data->embedded_info->prev_ptr= NULL; // this marks the last record
cur_row= data->data;
n_rows= data->rows;
- /* n_fields + n_rows + (field_info + strlen * n_rows) * n_fields */
- result+= (uint) (4+8 + (42 + 4*n_rows)*data->fields);
+ /* n_fields + n_rows + field_info * n_fields */
+ result+= (uint) (4+8 + 42*data->fields);
for(; field < field_end; field++)
{
@@ -313,13 +313,23 @@ uint emb_count_querycache_size(THD *thd)
result+= field->def_length;
}
- for (; cur_row; cur_row=cur_row->next)
+ if (thd->protocol == &thd->protocol_binary)
{
- MYSQL_ROW col= cur_row->data;
- MYSQL_ROW col_end= col + data->fields;
- for (; col < col_end; col++)
- if (*col)
- result+= *(uint *)((*col) - sizeof(uint));
+ result+= (uint) (4*n_rows);
+ for (; cur_row; cur_row=cur_row->next)
+ result+= cur_row->length;
+ }
+ else
+ {
+ result+= (uint) (4*n_rows*data->fields);
+ for (; cur_row; cur_row=cur_row->next)
+ {
+ MYSQL_ROW col= cur_row->data;
+ MYSQL_ROW col_end= col + data->fields;
+ for (; col < col_end; col++)
+ if (*col)
+ result+= *(uint *)((*col) - sizeof(uint));
+ }
}
return result;
}
@@ -353,10 +363,10 @@ void emb_store_querycache_result(Querycache_stream *dst, THD *thd)
{
dst->store_int((uint)field->length);
dst->store_int((uint)field->max_length);
- dst->store_char((char)field->type);
+ dst->store_uchar((uchar)field->type);
dst->store_short((ushort)field->flags);
dst->store_short((ushort)field->charsetnr);
- dst->store_char((char)field->decimals);
+ dst->store_uchar((uchar)field->decimals);
dst->store_str(field->name, field->name_length);
dst->store_str(field->table, field->table_length);
dst->store_str(field->org_name, field->org_name_length);
@@ -366,14 +376,22 @@ void emb_store_querycache_result(Querycache_stream *dst, THD *thd)
dst->store_safe_str(field->def, field->def_length);
}
- for (; cur_row; cur_row=cur_row->next)
+ if (thd->protocol == &thd->protocol_binary)
{
- MYSQL_ROW col= cur_row->data;
- MYSQL_ROW col_end= col + data->fields;
- for (; col < col_end; col++)
+ for (; cur_row; cur_row=cur_row->next)
+ dst->store_str((char *) cur_row->data, cur_row->length);
+ }
+ else
+ {
+ for (; cur_row; cur_row=cur_row->next)
{
- uint len= *col ? *(uint *)((*col) - sizeof(uint)) : 0;
- dst->store_safe_str(*col, len);
+ MYSQL_ROW col= cur_row->data;
+ MYSQL_ROW col_end= col + data->fields;
+ for (; col < col_end; col++)
+ {
+ uint len= *col ? *(uint *)((*col) - sizeof(uint)) : 0;
+ dst->store_safe_str(*col, len);
+ }
}
}
DBUG_ASSERT(emb_count_querycache_size(thd) == dst->stored_size);
@@ -408,10 +426,10 @@ int emb_load_querycache_result(THD *thd, Querycache_stream *src)
{
field->length= src->load_int();
field->max_length= (unsigned int)src->load_int();
- field->type= (enum enum_field_types)src->load_char();
+ field->type= (enum enum_field_types)src->load_uchar();
field->flags= (unsigned int)src->load_short();
field->charsetnr= (unsigned int)src->load_short();
- field->decimals= (unsigned int)src->load_char();
+ field->decimals= src->load_uchar();
if (!(field->name= src->load_str(f_alloc, &field->name_length)) ||
!(field->table= src->load_str(f_alloc,&field->table_length)) ||
@@ -423,26 +441,43 @@ int emb_load_querycache_result(THD *thd, Querycache_stream *src)
goto err;
}
- row= (MYSQL_ROWS *)alloc_root(&data->alloc,
- (uint) (rows * sizeof(MYSQL_ROWS) +
- rows*(data->fields+1)*sizeof(char*)));
- end_row= row + rows;
- columns= (MYSQL_ROW)end_row;
-
data->rows= rows;
- data->data= row;
if (!rows)
goto return_ok;
+ if (thd->protocol == &thd->protocol_binary)
+ {
+ uint length;
+ row= (MYSQL_ROWS *)alloc_root(&data->alloc, rows * sizeof(MYSQL_ROWS));
+ end_row= row + rows;
+ data->data= row;
- for (prev_row= &row->next; row < end_row; prev_row= &row->next, row++)
+ for (prev_row= &row->next; row < end_row; prev_row= &row->next, row++)
+ {
+ *prev_row= row;
+ row->data= (MYSQL_ROW) src->load_str(&data->alloc, &length);
+ row->length= length;
+ }
+ }
+ else
{
- *prev_row= row;
- row->data= columns;
- MYSQL_ROW col_end= columns + data->fields;
- for (; columns < col_end; columns++)
- src->load_column(&data->alloc, columns);
+ row= (MYSQL_ROWS *)alloc_root(&data->alloc,
+ (uint) (rows * sizeof(MYSQL_ROWS) +
+ rows*(data->fields+1)*sizeof(char*)));
+ end_row= row + rows;
+ columns= (MYSQL_ROW)end_row;
- *(columns++)= NULL;
+ data->data= row;
+
+ for (prev_row= &row->next; row < end_row; prev_row= &row->next, row++)
+ {
+ *prev_row= row;
+ row->data= columns;
+ MYSQL_ROW col_end= columns + data->fields;
+ for (; columns < col_end; columns++)
+ src->load_column(&data->alloc, columns);
+
+ *(columns++)= NULL;
+ }
}
*prev_row= NULL;
data->embedded_info->prev_ptr= prev_row;