Import Percona XtraDB into the MariaDB source tree.

1 files changed, 92 insertions, 0 deletions

diff --git a/storage/xtradb/include/rem0cmp.ic b/storage/xtradb/include/rem0cmp.ic
new file mode 100644
index 00000000000..6c58d9e5a25
--- /dev/null
+++ b/storage/xtradb/include/rem0cmp.ic
@@ -0,0 +1,92 @@
+/*****************************************************************************
+
+Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved.
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+
+*****************************************************************************/
+
+/***********************************************************************
+Comparison services for records
+
+Created 7/1/1994 Heikki Tuuri
+************************************************************************/
+
+/*****************************************************************
+This function is used to compare two data fields for which we know the
+data type. */
+UNIV_INLINE
+int
+cmp_data_data(
+/*==========*/
+				/* out: 1, 0, -1, if data1 is greater, equal,
+				less than data2, respectively */
+	ulint		mtype,	/* in: main type */
+	ulint		prtype,	/* in: precise type */
+	const byte*	data1,	/* in: data field (== a pointer to a memory
+				buffer) */
+	ulint		len1,	/* in: data field length or UNIV_SQL_NULL */
+	const byte*	data2,	/* in: data field (== a pointer to a memory
+				buffer) */
+	ulint		len2)	/* in: data field length or UNIV_SQL_NULL */
+{
+	return(cmp_data_data_slow(mtype, prtype, data1, len1, data2, len2));
+}
+
+/*****************************************************************
+This function is used to compare two dfields where at least the first
+has its data type field set. */
+UNIV_INLINE
+int
+cmp_dfield_dfield(
+/*==============*/
+				/* out: 1, 0, -1, if dfield1 is greater, equal,
+				less than dfield2, respectively */
+	const dfield_t*	dfield1,/* in: data field; must have type field set */
+	const dfield_t*	dfield2)/* in: data field */
+{
+	const dtype_t*	type;
+
+	ut_ad(dfield_check_typed(dfield1));
+
+	type = dfield_get_type(dfield1);
+
+	return(cmp_data_data(type->mtype, type->prtype,
+			     (const byte*) dfield_get_data(dfield1),
+			     dfield_get_len(dfield1),
+			     (const byte*) dfield_get_data(dfield2),
+			     dfield_get_len(dfield2)));
+}
+
+/*****************************************************************
+This function is used to compare two physical records. Only the common
+first fields are compared. */
+UNIV_INLINE
+int
+cmp_rec_rec(
+/*========*/
+				/* out: 1, 0 , -1 if rec1 is greater, equal,
+				less, respectively, than rec2; only the common
+				first fields are compared */
+	const rec_t*	rec1,	/* in: physical record */
+	const rec_t*	rec2,	/* in: physical record */
+	const ulint*	offsets1,/* in: rec_get_offsets(rec1, index) */
+	const ulint*	offsets2,/* in: rec_get_offsets(rec2, index) */
+	dict_index_t*	index)	/* in: data dictionary index */
+{
+	ulint	match_f		= 0;
+	ulint	match_b		= 0;
+
+	return(cmp_rec_rec_with_match(rec1, rec2, offsets1, offsets2, index,
+				      &match_f, &match_b));
+}