Merge.

4 files changed, 46 insertions, 18 deletions

diff --git a/storage/xtradb/include/dict0dict.h b/storage/xtradb/include/dict0dict.h
index 2baecdc958a..f94ab32eb9b 100644
--- a/storage/xtradb/include/dict0dict.h
+++ b/storage/xtradb/include/dict0dict.h
@@ -839,6 +839,18 @@ dict_index_get_nth_col_pos(
 	const dict_index_t*	index,	/*!< in: index */
 	ulint			n);	/*!< in: column number */
 /********************************************************************//**
+Looks for column n in an index.
+@return position in internal representation of the index;
+ULINT_UNDEFINED if not contained */
+UNIV_INTERN
+ulint
+dict_index_get_nth_col_or_prefix_pos(
+/*=================================*/
+	const dict_index_t*	index,		/*!< in: index */
+	ulint			n,		/*!< in: column number */
+	ibool			inc_prefix);	/*!< in: TRUE=consider
+						column prefixes too */
+/********************************************************************//**
 Returns TRUE if the index contains a column or a prefix of that column.
 @return	TRUE if contains the column or its prefix */
 UNIV_INTERN
diff --git a/storage/xtradb/include/dict0dict.ic b/storage/xtradb/include/dict0dict.ic
index bd7534dc7e2..02527d8edd2 100644
--- a/storage/xtradb/include/dict0dict.ic
+++ b/storage/xtradb/include/dict0dict.ic
@@ -656,6 +656,20 @@ dict_index_get_nth_col_no(
 	return(dict_col_get_no(dict_index_get_nth_col(index, pos)));
 }
 
+/********************************************************************//**
+Looks for column n in an index.
+@return position in internal representation of the index;
+ULINT_UNDEFINED if not contained */
+UNIV_INLINE
+ulint
+dict_index_get_nth_col_pos(
+/*=======================*/
+	const dict_index_t*	index,	/*!< in: index */
+	ulint			n)	/*!< in: column number */
+{
+	return(dict_index_get_nth_col_or_prefix_pos(index, n, FALSE));
+}
+
 #ifndef UNIV_HOTBACKUP
 /********************************************************************//**
 Returns the minimum data size of an index record.
diff --git a/storage/xtradb/include/ha_prototypes.h b/storage/xtradb/include/ha_prototypes.h
index 445d94eeabb..db71c37afc3 100644
--- a/storage/xtradb/include/ha_prototypes.h
+++ b/storage/xtradb/include/ha_prototypes.h
@@ -247,6 +247,15 @@ innobase_get_at_most_n_mbchars(
 	ulint data_len,		/*!< in: length of the string in bytes */
 	const char* str);	/*!< in: character string */
 
+/*************************************************************//**
+InnoDB index push-down condition check
+@return ICP_NO_MATCH, ICP_MATCH, or ICP_OUT_OF_RANGE */
+UNIV_INTERN
+enum icp_result
+innobase_index_cond(
+/*================*/
+	void*	file)	/*!< in/out: pointer to ha_innobase */
+	__attribute__((nonnull, warn_unused_result));
 /******************************************************************//**
 Returns true if the thread supports XA,
 global value of innodb_supports_xa if thd is NULL.
diff --git a/storage/xtradb/include/row0mysql.h b/storage/xtradb/include/row0mysql.h
index cd9dec2f089..b18e1fca5dc 100644
--- a/storage/xtradb/include/row0mysql.h
+++ b/storage/xtradb/include/row0mysql.h
@@ -547,6 +547,10 @@ struct mysql_row_templ_struct {
 					Innobase record in the clustered index;
 					not defined if template_type is
 					ROW_MYSQL_WHOLE_ROW */
+	ulint	icp_rec_field_no;	/*!< field number of the column in an
+					Innobase record in the current index;
+					not defined unless
+					index condition pushdown is used */
 	ulint	mysql_col_offset;	/*!< offset of the column in the MySQL
 					row format */
 	ulint	mysql_col_len;		/*!< length of the column in the MySQL
@@ -585,16 +589,6 @@ struct mysql_row_templ_struct {
 #define ROW_PREBUILT_ALLOCATED	78540783
 #define ROW_PREBUILT_FREED	26423527
 
-
-typedef enum xtradb_icp_result {
-  XTRADB_ICP_ERROR=-1,
-  XTRADB_ICP_NO_MATCH=0,
-  XTRADB_ICP_MATCH=1,
-  XTRADB_ICP_OUT_OF_RANGE=2,
-  XTRADB_ICP_ABORTED_BY_USER=3,
-} xtradb_icp_result_t;
-
-typedef xtradb_icp_result_t (*index_cond_func_t)(void *param);
 /** A struct for (sometimes lazily) prebuilt structures in an Innobase table
 
 handle used within MySQL; these are used to save CPU time. */
@@ -792,16 +786,15 @@ struct row_prebuilt_struct {
 					store it here so that we can return
 					it to MySQL */
 	/*----------------------*/
+	void*		idx_cond;	/*!< In ICP, pointer to a ha_innobase,
+					passed to innobase_index_cond().
+					NULL if index condition pushdown is
+					not used. */
+	ulint		idx_cond_n_cols;/*!< Number of fields in idx_cond_cols.
+					0 if and only if idx_cond == NULL. */
+	/*----------------------*/
 	ulint		magic_n2;	/*!< this should be the same as
 					magic_n */
-	/*----------------------*/
-        index_cond_func_t idx_cond_func;/* Index Condition Pushdown function,
-                                        or NULL if there is none set */
-        void*           idx_cond_func_arg;/* ICP function  argument */
-        ulint           n_index_fields; /* Number of fields at the start of
-                                        mysql_template. Valid only when using
-                                        ICP. */
-	/*----------------------*/
 };
 
 #define ROW_PREBUILT_FETCH_MAGIC_N	465765687