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authorunknown <monty@hundin.mysql.fi>2002-01-16 00:42:52 +0200
committerunknown <monty@hundin.mysql.fi>2002-01-16 00:42:52 +0200
commitf015cbdc7e3427cf0f77012c4ce89f3cf8d5dd5f (patch)
tree890cb295feeab3ebd6413663178be56ec5ed21a2 /include/my_base.h
parent71a5af5b52642cbe64960275f1994f5a57832ff3 (diff)
downloadmariadb-git-f015cbdc7e3427cf0f77012c4ce89f3cf8d5dd5f.tar.gz
Add support for NULL=NULL in keys (Used in GROUP BY optimization)
Add ISAM to Windows version Fix of test results Fixes for NULL keys in HEAP tables. Docs/manual.texi: Changelog heap/hp_open.c: Add support for NULL=NULL in keys (for GROUP BY) heap/hp_rkey.c: Cleanup heap/hp_write.c: Cleanup include/config-win.h: Add ISAM to Windows version include/my_base.h: Add support for NULL=NULL in keys (for GROUP BY) libmysqld/Makefile.am: Rename of innobase to innodb myisam/mi_write.c: Add support for NULL=NULL in keys (for GROUP BY) BitKeeper/etc/ignore: Added libmysqld/ha_innodb.cc to the ignore list mysql-test/r/group_by.result: Test of NULL keys in HEAP tables mysql-test/r/heap.result: Test of NULL keys in HEAP tables mysql-test/r/null.result: Cleanup mysql-test/r/order_by.result: Fix for result of new ORDER BY optimization mysql-test/t/group_by.test: Test of NULL keys in HEAP tables mysql-test/t/heap.test: Test of NULL keys in HEAP tables mysql-test/t/null.test: Cleanup sql/ha_heap.cc: Add support of NULL keys sql/item_strfunc.h: Fix for BINARY and CAST functions sql/item_timefunc.h: Fix for BINARY and CAST functions sql/sql_parse.cc: Cleanup sql/sql_select.cc: Add support for NULL=NULL in keys (for GROUP BY)
Diffstat (limited to 'include/my_base.h')
-rw-r--r--include/my_base.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/my_base.h b/include/my_base.h
index 6494fa93ab9..68f33147145 100644
--- a/include/my_base.h
+++ b/include/my_base.h
@@ -150,6 +150,7 @@ enum ha_base_keytype {
#define HA_FULLTEXT 128 /* SerG: for full-text search */
#define HA_UNIQUE_CHECK 256 /* Check the key for uniqueness */
#define HA_SPATIAL 1024 /* Alex Barkov: for spatial search */
+#define HA_NULL_ARE_EQUAL 2048 /* NULL in key are cmp as equal */
/* Automatic bits in key-flag */
@@ -260,6 +261,7 @@ enum ha_base_keytype {
#define MBR_DISJOINT 4096
#define MBR_EQUAL 8192
#define MBR_DATA 16384
+#define SEARCH_NULL_ARE_EQUAL 32768 /* NULL in keys are equal */
/* bits in opt_flag */
#define QUICK_USED 1