diff options
Diffstat (limited to 'sql/partition_info.h')
| -rw-r--r-- | sql/partition_info.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sql/partition_info.h b/sql/partition_info.h index e59d4ec8ba4..d3706c8abf4 100644 --- a/sql/partition_info.h +++ b/sql/partition_info.h @@ -1,7 +1,7 @@ #ifndef PARTITION_INFO_INCLUDED #define PARTITION_INFO_INCLUDED -/* Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. +/* Copyright (c) 2006, 2013, Oracle and/or its affiliates. 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 @@ -192,6 +192,19 @@ public: but mainly of use to handlers supporting partitioning. */ uint16 linear_hash_mask; + /* + PARTITION BY KEY ALGORITHM=N + Which algorithm to use for hashing the fields. + N = 1 - Use 5.1 hashing (numeric fields are hashed as binary) + N = 2 - Use 5.5 hashing (numeric fields are hashed like latin1 bytes) + */ + enum enum_key_algorithm + { + KEY_ALGORITHM_NONE= 0, + KEY_ALGORITHM_51= 1, + KEY_ALGORITHM_55= 2 + }; + enum_key_algorithm key_algorithm; bool use_default_partitions; bool use_default_num_partitions; @@ -232,6 +245,7 @@ public: count_curr_subparts(0), part_error_code(0), num_list_values(0), num_part_fields(0), num_subpart_fields(0), num_full_part_fields(0), has_null_part_id(0), linear_hash_mask(0), + key_algorithm(KEY_ALGORITHM_NONE), use_default_partitions(TRUE), use_default_num_partitions(TRUE), use_default_subpartitions(TRUE), use_default_num_subpartitions(TRUE), default_partitions_setup(FALSE), defined_max_value(FALSE), @@ -298,6 +312,7 @@ public: bool add_column_list_value(THD *thd, Item *item); void set_show_version_string(String *packet); void report_part_expr_error(bool use_subpart_expr); + bool has_same_partitioning(partition_info *new_part_info); private: static int list_part_cmp(const void* a, const void* b); bool set_up_default_partitions(handler *file, HA_CREATE_INFO *info, |