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Merged WL#3352 into mysql-next-mr

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This commit is contained in:
Mikael Ronstrom
2009-10-28 18:22:36 +01:00
parent cd6e159890 10fed1aca0
commit 072c13d939
48 changed files with 4922 additions and 1365 deletions
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25
sql/sql_partition.h
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@@ -1,7 +1,7 @@
#ifndef SQL_PARTITION_INCLUDED
#define SQL_PARTITION_INCLUDED
/* Copyright (C) 2006 MySQL AB
/* Copyright (C) 2006-2008 MySQL AB, Sun Microsystems Inc. 2008-2009
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
@@ -68,15 +68,13 @@ int get_part_for_delete(const uchar *buf, const uchar *rec0,
void prune_partition_set(const TABLE *table, part_id_range *part_spec);
bool check_partition_info(partition_info *part_info,handlerton **eng_type,
TABLE *table, handler *file, HA_CREATE_INFO *info);
void set_linear_hash_mask(partition_info *part_info, uint no_parts);
void set_linear_hash_mask(partition_info *part_info, uint num_parts);
bool fix_partition_func(THD *thd, TABLE *table, bool create_table_ind);
char *generate_partition_syntax(partition_info *part_info,
uint *buf_length, bool use_sql_alloc,
bool show_partition_options);
bool partition_key_modified(TABLE *table, const MY_BITMAP *fields);
void get_partition_set(const TABLE *table, uchar *buf, const uint index,
const key_range *key_spec,
part_id_range *part_spec);
uint get_partition_field_store_length(Field *field);
void get_full_part_id_from_key(const TABLE *table, uchar *buf,
KEY *key_info,
const key_range *key_spec,
@@ -99,6 +97,7 @@ bool fix_fields_part_func(THD *thd, Item* func_expr, TABLE *table,
bool check_part_func_fields(Field **ptr, bool ok_with_charsets);
bool field_is_partition_charset(Field *field);
Item* convert_charset_partition_constant(Item *item, CHARSET_INFO *cs);
/*
A "Get next" function for partition iterator.
@@ -176,11 +175,14 @@ typedef struct st_partition_iter
SYNOPSIS
get_partitions_in_range_iter()
part_info Partitioning info
is_subpart
min_val Left edge, field value in opt_range_key format.
max_val Right edge, field value in opt_range_key format.
is_subpart
store_length_array Length of fields packed in opt_range_key format
min_val Left edge, field value in opt_range_key format
max_val Right edge, field value in opt_range_key format
min_len Length of minimum value
max_len Length of maximum value
flags Some combination of NEAR_MIN, NEAR_MAX, NO_MIN_RANGE,
NO_MAX_RANGE.
NO_MAX_RANGE
part_iter Iterator structure to be initialized
DESCRIPTION
@@ -194,8 +196,9 @@ typedef struct st_partition_iter
The set of partitions is returned by initializing an iterator in *part_iter
NOTES
There are currently two functions of this type:
There are currently three functions of this type:
- get_part_iter_for_interval_via_walking
- get_part_iter_for_interval_cols_via_map
- get_part_iter_for_interval_via_mapping
RETURN
@@ -206,7 +209,9 @@ typedef struct st_partition_iter
typedef int (*get_partitions_in_range_iter)(partition_info *part_info,
bool is_subpart,
uint32 *store_length_array,
uchar *min_val, uchar *max_val,
uint min_len, uint max_len,
uint flags,
PARTITION_ITERATOR *part_iter);