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authorheikki@donna.mysql.fi <>2001-10-10 22:47:08 +0300
committerheikki@donna.mysql.fi <>2001-10-10 22:47:08 +0300
commit1d7747aa25fba426b9acbd21fcc362bb461b2c4b (patch)
treefc361924d14a3d1727a8b88f61352ed039054720 /innobase/include/row0upd.h
parenta88a9842aa61e31e07dda8bc506f7f43e0636292 (diff)
downloadmariadb-git-1d7747aa25fba426b9acbd21fcc362bb461b2c4b.tar.gz
ut0mem.c Merge changes in InnoDB-3.23.43b
ut0ut.c Merge changes in InnoDB-3.23.43b trx0purge.c Merge changes in InnoDB-3.23.43b trx0rec.c Merge changes in InnoDB-3.23.43b trx0trx.c Merge changes in InnoDB-3.23.43b trx0undo.c Merge changes in InnoDB-3.23.43b thr0loc.c Merge changes in InnoDB-3.23.43b sync0arr.c Merge changes in InnoDB-3.23.43b sync0rw.c Merge changes in InnoDB-3.23.43b sync0sync.c Merge changes in InnoDB-3.23.43b srv0srv.c Merge changes in InnoDB-3.23.43b srv0start.c Merge changes in InnoDB-3.23.43b row0ins.c Merge changes in InnoDB-3.23.43b row0mysql.c Merge changes in InnoDB-3.23.43b row0purge.c Merge changes in InnoDB-3.23.43b row0sel.c Merge changes in InnoDB-3.23.43b row0umod.c Merge changes in InnoDB-3.23.43b row0upd.c Merge changes in InnoDB-3.23.43b row0vers.c Merge changes in InnoDB-3.23.43b rem0cmp.c Merge changes in InnoDB-3.23.43b que0que.c Merge changes in InnoDB-3.23.43b pars0opt.c Merge changes in InnoDB-3.23.43b pars0pars.c Merge changes in InnoDB-3.23.43b lexyy.c Merge changes in InnoDB-3.23.43b pars0grm.c Merge changes in InnoDB-3.23.43b page0page.c Merge changes in InnoDB-3.23.43b os0file.c Merge changes in InnoDB-3.23.43b mtr0log.c Merge changes in InnoDB-3.23.43b mem0pool.c Merge changes in InnoDB-3.23.43b log0log.c Merge changes in InnoDB-3.23.43b log0recv.c Merge changes in InnoDB-3.23.43b lock0lock.c Merge changes in InnoDB-3.23.43b ibuf0ibuf.c Merge changes in InnoDB-3.23.43b fil0fil.c Merge changes in InnoDB-3.23.43b dict0crea.c Merge changes in InnoDB-3.23.43b dict0dict.c Merge changes in InnoDB-3.23.43b dict0load.c Merge changes in InnoDB-3.23.43b dict0mem.c Merge changes in InnoDB-3.23.43b data0data.c Merge changes in InnoDB-3.23.43b data0type.c Merge changes in InnoDB-3.23.43b buf0buf.c Merge changes in InnoDB-3.23.43b buf0lru.c Merge changes in InnoDB-3.23.43b btr0btr.c Merge changes in InnoDB-3.23.43b btr0cur.c Merge changes in InnoDB-3.23.43b btr0pcur.c Merge changes in InnoDB-3.23.43b btr0sea.c Merge changes in InnoDB-3.23.43b data0type.ic Merge changes in InnoDB-3.23.43b dict0dict.ic Merge changes in InnoDB-3.23.43b mtr0mtr.ic Merge changes in InnoDB-3.23.43b row0upd.ic Merge changes in InnoDB-3.23.43b sync0ipm.ic Merge changes in InnoDB-3.23.43b sync0rw.ic Merge changes in InnoDB-3.23.43b sync0sync.ic Merge changes in InnoDB-3.23.43b trx0rseg.ic Merge changes in InnoDB-3.23.43b btr0pcur.ic Merge changes in InnoDB-3.23.43b buf0buf.ic Merge changes in InnoDB-3.23.43b data0data.ic Merge changes in InnoDB-3.23.43b row0upd.h Merge changes in InnoDB-3.23.43b srv0srv.h Merge changes in InnoDB-3.23.43b sync0arr.h Merge changes in InnoDB-3.23.43b sync0rw.h Merge changes in InnoDB-3.23.43b sync0sync.h Merge changes in InnoDB-3.23.43b trx0trx.h Merge changes in InnoDB-3.23.43b ut0mem.h Merge changes in InnoDB-3.23.43b data0data.h Merge changes in InnoDB-3.23.43b data0type.h Merge changes in InnoDB-3.23.43b db0err.h Merge changes in InnoDB-3.23.43b dict0crea.h Merge changes in InnoDB-3.23.43b dict0dict.h Merge changes in InnoDB-3.23.43b dict0load.h Merge changes in InnoDB-3.23.43b dict0mem.h Merge changes in InnoDB-3.23.43b dict0types.h Merge changes in InnoDB-3.23.43b fil0fil.h Merge changes in InnoDB-3.23.43b ibuf0ibuf.h Merge changes in InnoDB-3.23.43b lock0lock.h Merge changes in InnoDB-3.23.43b log0log.h Merge changes in InnoDB-3.23.43b mtr0mtr.h Merge changes in InnoDB-3.23.43b rem0cmp.h Merge changes in InnoDB-3.23.43b row0ins.h Merge changes in InnoDB-3.23.43b row0mysql.h Merge changes in InnoDB-3.23.43b btr0cur.h Merge changes in InnoDB-3.23.43b btr0pcur.h Merge changes in InnoDB-3.23.43b btr0sea.h Merge changes in InnoDB-3.23.43b buf0buf.h Merge changes in InnoDB-3.23.43b sql_table.cc Merge changes in InnoDB-3.23.43b sql_db.cc Merge changes in InnoDB-3.23.43b ha_innobase.cc Merge changes in InnoDB-3.23.43b handler.cc Merge changes in InnoDB-3.23.43b ha_innobase.h Merge changes in InnoDB-3.23.43b handler.h Merge changes in InnoDB-3.23.43b
Diffstat (limited to 'innobase/include/row0upd.h')
-rw-r--r--innobase/include/row0upd.h45
1 files changed, 31 insertions, 14 deletions
diff --git a/innobase/include/row0upd.h b/innobase/include/row0upd.h
index 9bb73726b29..106d3866b25 100644
--- a/innobase/include/row0upd.h
+++ b/innobase/include/row0upd.h
@@ -47,8 +47,7 @@ upd_get_nth_field(
upd_t* update, /* in: update vector */
ulint n); /* in: field position in update vector */
/*************************************************************************
-Sets the clustered index field number to be updated by an update vector
-field. */
+Sets an index field number to be updated by an update vector field. */
UNIV_INLINE
void
upd_field_set_field_no(
@@ -56,7 +55,7 @@ upd_field_set_field_no(
upd_field_t* upd_field, /* in: update vector field */
ulint field_no, /* in: field number in a clustered
index */
- dict_index_t* index); /* in: clustered index */
+ dict_index_t* index); /* in: index */
/*************************************************************************
Writes into the redo log the values of trx id and roll ptr and enough info
to determine their positions within a clustered index record. */
@@ -136,13 +135,27 @@ row_upd_rec_in_place(
rec_t* rec, /* in/out: record where replaced */
upd_t* update);/* in: update vector */
/*******************************************************************
+Builds an update vector from those fields which in a secondary index entry
+differ from a record that has the equal ordering fields. NOTE: we compare
+the fields as binary strings! */
+
+upd_t*
+row_upd_build_sec_rec_difference_binary(
+/*====================================*/
+ /* out, own: update vector of differing
+ fields */
+ dict_index_t* index, /* in: index */
+ dtuple_t* entry, /* in: entry to insert */
+ rec_t* rec, /* in: secondary index record */
+ mem_heap_t* heap); /* in: memory heap from which allocated */
+/*******************************************************************
Builds an update vector from those fields, excluding the roll ptr and
trx id fields, which in an index entry differ from a record that has
-the equal ordering fields. */
+the equal ordering fields. NOTE: we compare the fields as binary strings! */
upd_t*
-row_upd_build_difference(
-/*=====================*/
+row_upd_build_difference_binary(
+/*============================*/
/* out, own: update vector of differing
fields, excluding roll ptr and trx id */
dict_index_t* index, /* in: clustered index */
@@ -175,13 +188,16 @@ row_upd_clust_index_replace_new_col_vals(
/***************************************************************
Checks if an update vector changes an ordering field of an index record.
This function is fast if the update vector is short or the number of ordering
-fields in the index is small. Otherwise, this can be quadratic. */
-
+fields in the index is small. Otherwise, this can be quadratic.
+NOTE: we compare the fields as binary strings! */
+
ibool
-row_upd_changes_ord_field(
-/*======================*/
+row_upd_changes_ord_field_binary(
+/*=============================*/
/* out: TRUE if update vector changes
- an ordering field in the index record */
+ an ordering field in the index record;
+ NOTE: the fields are compared as binary
+ strings */
dtuple_t* row, /* in: old value of row, or NULL if the
row and the data values in update are not
known when this function is called, e.g., at
@@ -191,11 +207,12 @@ row_upd_changes_ord_field(
/***************************************************************
Checks if an update vector changes an ordering field of an index record.
This function is fast if the update vector is short or the number of ordering
-fields in the index is small. Otherwise, this can be quadratic. */
+fields in the index is small. Otherwise, this can be quadratic.
+NOTE: we compare the fields as binary strings! */
ibool
-row_upd_changes_some_index_ord_field(
-/*=================================*/
+row_upd_changes_some_index_ord_field_binary(
+/*========================================*/
/* out: TRUE if update vector may change
an ordering field in an index record */
dict_table_t* table, /* in: table */