diff options
Diffstat (limited to 'sql/sql_partition.h')
| -rw-r--r-- | sql/sql_partition.h | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/sql/sql_partition.h b/sql/sql_partition.h index 0c47340016c..6e1bf8b5728 100644 --- a/sql/sql_partition.h +++ b/sql/sql_partition.h @@ -1,7 +1,7 @@ #ifndef SQL_PARTITION_INCLUDED #define SQL_PARTITION_INCLUDED -/* Copyright (C) 2006 MySQL AB +/* Copyright 2005-2008 MySQL AB, 2008-2009 Sun Microsystems, Inc. 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 +68,19 @@ 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); +int get_cs_converted_part_value_from_string(THD *thd, + Item *item, + String *input_str, + String *output_str, + CHARSET_INFO *cs, + bool use_hex); void get_full_part_id_from_key(const TABLE *table, uchar *buf, KEY *key_info, const key_range *key_spec, @@ -99,6 +103,7 @@ 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. @@ -175,13 +180,16 @@ 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. - flags Some combination of NEAR_MIN, NEAR_MAX, NO_MIN_RANGE, - NO_MAX_RANGE. - part_iter Iterator structure to be initialized + part_info Partitioning info + 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 + part_iter Iterator structure to be initialized DESCRIPTION Functions with this signature are used to perform "Partitioning Interval @@ -194,8 +202,9 @@ 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 +215,9 @@ 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); |