diff options
Diffstat (limited to 'sql/sql_partition.cc')
| -rw-r--r-- | sql/sql_partition.cc | 108 |
1 files changed, 78 insertions, 30 deletions
diff --git a/sql/sql_partition.cc b/sql/sql_partition.cc index 5fd9091c58f..d7078278557 100644 --- a/sql/sql_partition.cc +++ b/sql/sql_partition.cc @@ -2455,7 +2455,7 @@ end: @retval != 0 Failure */ -static int add_key_with_algorithm(String *str, partition_info *part_info) +static int add_key_with_algorithm(String *str, const partition_info *part_info) { int err= 0; err+= str->append(STRING_WITH_LEN("KEY ")); @@ -2484,6 +2484,78 @@ char *generate_partition_syntax_for_frm(THD *thd, partition_info *part_info, return res; } + +/* + Generate the partition type syntax from the partition data structure. + + @return Operation status. + @retval 0 Success + @retval > 0 Failure + @retval -1 Fatal error +*/ + +int partition_info::gen_part_type(THD *thd, String *str) const +{ + int err= 0; + switch (part_type) + { + case RANGE_PARTITION: + err+= str->append(STRING_WITH_LEN("RANGE ")); + break; + case LIST_PARTITION: + err+= str->append(STRING_WITH_LEN("LIST ")); + break; + case HASH_PARTITION: + if (linear_hash_ind) + err+= str->append(STRING_WITH_LEN("LINEAR ")); + if (list_of_part_fields) + { + err+= add_key_with_algorithm(str, this); + err+= add_part_field_list(thd, str, part_field_list); + } + else + err+= str->append(STRING_WITH_LEN("HASH ")); + break; + case VERSIONING_PARTITION: + err+= str->append(STRING_WITH_LEN("SYSTEM_TIME ")); + break; + default: + DBUG_ASSERT(0); + /* We really shouldn't get here, no use in continuing from here */ + my_error(ER_OUT_OF_RESOURCES, MYF(ME_FATAL)); + return -1; + } + return err; +} + + +void part_type_error(THD *thd, partition_info *work_part_info, + const char *part_type, + partition_info *tab_part_info) +{ + StringBuffer<256> tab_part_type; + if (tab_part_info->gen_part_type(thd, &tab_part_type) < 0) + return; + tab_part_type.length(tab_part_type.length() - 1); + if (work_part_info) + { + DBUG_ASSERT(!part_type); + StringBuffer<256> work_part_type; + if (work_part_info->gen_part_type(thd, &work_part_type) < 0) + return; + work_part_type.length(work_part_type.length() - 1); + my_error(ER_PARTITION_WRONG_TYPE, MYF(0), work_part_type.c_ptr(), + tab_part_type.c_ptr()); + } + else + { + DBUG_ASSERT(part_type); + my_error(ER_PARTITION_WRONG_TYPE, MYF(0), part_type, + tab_part_type.c_ptr()); + } +} + + /* Generate the partition syntax from the partition data structure. Useful for support of generating defaults, SHOW CREATE TABLES @@ -2527,34 +2599,10 @@ char *generate_partition_syntax(THD *thd, partition_info *part_info, DBUG_ENTER("generate_partition_syntax"); err+= str.append(STRING_WITH_LEN(" PARTITION BY ")); - switch (part_info->part_type) - { - case RANGE_PARTITION: - err+= str.append(STRING_WITH_LEN("RANGE ")); - break; - case LIST_PARTITION: - err+= str.append(STRING_WITH_LEN("LIST ")); - break; - case HASH_PARTITION: - if (part_info->linear_hash_ind) - err+= str.append(STRING_WITH_LEN("LINEAR ")); - if (part_info->list_of_part_fields) - { - err+= add_key_with_algorithm(&str, part_info); - err+= add_part_field_list(thd, &str, part_info->part_field_list); - } - else - err+= str.append(STRING_WITH_LEN("HASH ")); - break; - case VERSIONING_PARTITION: - err+= str.append(STRING_WITH_LEN("SYSTEM_TIME ")); - break; - default: - DBUG_ASSERT(0); - /* We really shouldn't get here, no use in continuing from here */ - my_error(ER_OUT_OF_RESOURCES, MYF(ME_FATAL)); - DBUG_RETURN(NULL); - } + int err2= part_info->gen_part_type(thd, &str); + if (err2 < 0) + DBUG_RETURN(NULL); + err+= err2; if (part_info->part_type == VERSIONING_PARTITION) { Vers_part_info *vers_info= part_info->vers_info; @@ -5051,7 +5099,7 @@ uint prep_alter_part_table(THD *thd, TABLE *table, Alter_info *alter_info, else if (thd->work_part_info->part_type == VERSIONING_PARTITION || tab_part_info->part_type == VERSIONING_PARTITION) { - my_error(ER_PARTITION_WRONG_TYPE, MYF(0), "SYSTEM_TIME"); + part_type_error(thd, thd->work_part_info, NULL, tab_part_info); } else { |