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authorunknown <gkodinov/kgeorge@magare.gmz>2007-07-18 15:56:29 +0300
committerunknown <gkodinov/kgeorge@magare.gmz>2007-07-18 15:56:29 +0300
commit4a07ed48ddb8a7fd8d6a1c786d67377289b8263b (patch)
tree41c1dde4a4218d15c8b9a50136bece1db3b96eaa /storage/heap
parent1d0749b858b2450e44f182dcf58dd50b44a938cf (diff)
parent06b446dae4a55b48108bb85bd3ca3f70924b9b8d (diff)
downloadmariadb-git-4a07ed48ddb8a7fd8d6a1c786d67377289b8263b.tar.gz
Merge magare.gmz:/home/kgeorge/mysql/work/mysql-5.0-opt
into magare.gmz:/home/kgeorge/mysql/work/merge-5.0-5.1-opt mysql-test/r/type_time.result: Auto merged sql/field.cc: Auto merged sql/item_cmpfunc.cc: Auto merged BitKeeper/deleted/.del-index_merge.result: Auto merged mysql-test/include/index_merge1.inc: Auto merged sql/item_cmpfunc.h: Auto merged sql/opt_range.cc: Auto merged storage/heap/ha_heap.cc: Auto merged storage/heap/ha_heap.h: Auto merged
Diffstat (limited to 'storage/heap')
-rw-r--r--storage/heap/ha_heap.cc20
-rw-r--r--storage/heap/ha_heap.h9
2 files changed, 24 insertions, 5 deletions
diff --git a/storage/heap/ha_heap.cc b/storage/heap/ha_heap.cc
index 86bc2cc516e..5d34395fa5a 100644
--- a/storage/heap/ha_heap.cc
+++ b/storage/heap/ha_heap.cc
@@ -125,6 +125,26 @@ int ha_heap::close(void)
/*
+ Create a copy of this table
+
+ DESCRIPTION
+ Do same as default implementation but use file->s->name instead of
+ table->s->path. This is needed by Windows where the clone() call sees
+ '/'-delimited path in table->s->path, while ha_peap::open() was called
+ with '\'-delimited path.
+*/
+
+handler *ha_heap::clone(MEM_ROOT *mem_root)
+{
+ handler *new_handler= get_new_handler(table, mem_root, table->s->db_type);
+ if (new_handler && !new_handler->ha_open(file->s->name, table->db_stat,
+ HA_OPEN_IGNORE_IF_LOCKED))
+ return new_handler;
+ return NULL; /* purecov: inspected */
+}
+
+
+/*
Compute which keys to use for scanning
SYNOPSIS
diff --git a/storage/heap/ha_heap.h b/storage/heap/ha_heap.h
index f41c710716d..c414383a4aa 100644
--- a/storage/heap/ha_heap.h
+++ b/storage/heap/ha_heap.h
@@ -32,6 +32,7 @@ class ha_heap: public handler
public:
ha_heap(handlerton *hton, TABLE_SHARE *table);
~ha_heap() {}
+ handler *clone(MEM_ROOT *mem_root);
const char *table_type() const
{
return (table->in_use->variables.sql_mode & MODE_MYSQL323) ?
@@ -55,8 +56,8 @@ public:
ulong index_flags(uint inx, uint part, bool all_parts) const
{
return ((table_share->key_info[inx].algorithm == HA_KEY_ALG_BTREE) ?
- HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER | HA_READ_RANGE :
- HA_ONLY_WHOLE_INDEX);
+ HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER | HA_READ_RANGE :
+ HA_ONLY_WHOLE_INDEX | HA_KEY_SCAN_NOT_ROR);
}
const key_map *keys_to_use_for_scanning() { return &btree_keys; }
uint max_supported_keys() const { return MAX_KEY; }
@@ -108,9 +109,7 @@ public:
enum thr_lock_type lock_type);
int cmp_ref(const uchar *ref1, const uchar *ref2)
{
- HEAP_PTR ptr1=*(HEAP_PTR*)ref1;
- HEAP_PTR ptr2=*(HEAP_PTR*)ref2;
- return ptr1 < ptr2? -1 : (ptr1 > ptr2? 1 : 0);
+ return memcmp(ref1, ref2, sizeof(HEAP_PTR));
}
bool check_if_incompatible_data(HA_CREATE_INFO *info, uint table_changes);
private: