diff options
Diffstat (limited to 'sql/table.cc')
| -rw-r--r-- | sql/table.cc | 85 |
1 files changed, 49 insertions, 36 deletions
diff --git a/sql/table.cc b/sql/table.cc index 7f80b95c954..926b44dedbc 100644 --- a/sql/table.cc +++ b/sql/table.cc @@ -30,7 +30,7 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head, File file); static void fix_type_pointers(const char ***array, TYPELIB *point_to_type, uint types, char **names); -static uint find_field(Field **fields, uint start, uint length); +static uint find_field(Field **fields, byte *record, uint start, uint length); /* Get column name from column hash */ @@ -1069,6 +1069,7 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head, Field *field; if (new_field_pack_flag <= 1) key_part->fieldnr= (uint16) find_field(share->field, + share->default_values, (uint) key_part->offset, (uint) key_part->length); if (!key_part->fieldnr) @@ -1232,24 +1233,19 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head, if (share->found_next_number_field) { - /* - We must have a table object for find_ref_key to calculate field offset - */ - TABLE tmp_table; - tmp_table.record[0]= share->default_values; - reg_field= *share->found_next_number_field; - reg_field->table= &tmp_table; if ((int) (share->next_number_index= (uint) - find_ref_key(share->key_info, share->keys, reg_field, + find_ref_key(share->key_info, share->keys, + share->default_values, reg_field, &share->next_number_key_offset)) < 0) { + /* Wrong field definition */ + DBUG_ASSERT(0); reg_field->unireg_check= Field::NONE; /* purecov: inspected */ share->found_next_number_field= 0; } else reg_field->flags |= AUTO_INCREMENT_FLAG; - reg_field->table= 0; } if (share->blob_fields) @@ -1343,7 +1339,7 @@ int open_table_from_share(THD *thd, TABLE_SHARE *share, const char *alias, Field **field_ptr; DBUG_ENTER("open_table_from_share"); DBUG_PRINT("enter",("name: '%s.%s' form: 0x%lx", share->db.str, - share->table_name.str, outparam)); + share->table_name.str, (long) outparam)); error= 1; bzero((char*) outparam, sizeof(*outparam)); @@ -1969,7 +1965,7 @@ TYPELIB *typelib(MEM_ROOT *mem_root, List<String> &strings) # field number +1 */ -static uint find_field(Field **fields, uint start, uint length) +static uint find_field(Field **fields, byte *record, uint start, uint length) { Field **field; uint i, pos; @@ -1977,7 +1973,7 @@ static uint find_field(Field **fields, uint start, uint length) pos= 0; for (field= fields, i=1 ; *field ; i++,field++) { - if ((*field)->offset() == start) + if ((*field)->offset(record) == start) { if ((*field)->key_length() == length) return (i); @@ -2258,7 +2254,7 @@ char *get_field(MEM_ROOT *mem, Field *field) SYNPOSIS check_db_name() - name Name of database + org_name Name of database and length NOTES If lower_case_table_names is set then database is converted to lower case @@ -2268,35 +2264,35 @@ char *get_field(MEM_ROOT *mem, Field *field) 1 error */ -bool check_db_name(char *name) +bool check_db_name(LEX_STRING *org_name) { - char *start= name; - /* Used to catch empty names and names with end space */ - bool last_char_is_space= TRUE; + char *name= org_name->str; + + if (!org_name->length || org_name->length > NAME_LEN) + return 1; if (lower_case_table_names && name != any_db) my_casedn_str(files_charset_info, name); - while (*name) - { #if defined(USE_MB) && defined(USE_MB_IDENT) - last_char_is_space= my_isspace(system_charset_info, *name); - if (use_mb(system_charset_info)) + if (use_mb(system_charset_info)) + { + bool last_char_is_space= TRUE; + char *end= name + org_name->length; + while (name < end) { - int len=my_ismbchar(system_charset_info, name, - name+system_charset_info->mbmaxlen); - if (len) - { - name += len; - continue; - } + int len; + last_char_is_space= my_isspace(system_charset_info, *name); + len= my_ismbchar(system_charset_info, name, end); + if (!len) + len= 1; + name+= len; } -#else - last_char_is_space= *name==' '; -#endif - name++; + return last_char_is_space; } - return last_char_is_space || (uint) (name - start) > NAME_LEN; + else +#endif + return org_name->str[org_name->length - 1] != ' '; /* purecov: inspected */ } @@ -2405,8 +2401,8 @@ table_check_intact(TABLE *table, const uint table_f_count, my_bool error= FALSE; my_bool fields_diff_count; DBUG_ENTER("table_check_intact"); - DBUG_PRINT("info",("table=%s expected_count=%d",table->alias, table_f_count)); - DBUG_PRINT("info",("last_create_time=%d", *last_create_time)); + DBUG_PRINT("info",("table: %s expected_count: %d last_create_time: %ld", + table->alias, table_f_count, *last_create_time)); if ((fields_diff_count= (table->s->fields != table_f_count)) || (*last_create_time != table->file->stats.create_time)) @@ -4096,6 +4092,23 @@ void st_table_list::reinit_before_use(THD *thd) embedding->nested_join->join_list.head() == embedded); } +/* + Return subselect that contains the FROM list this table is taken from + + SYNOPSIS + st_table_list::containing_subselect() + + RETURN + Subselect item for the subquery that contains the FROM list + this table is taken from if there is any + 0 - otherwise + +*/ + +Item_subselect *st_table_list::containing_subselect() +{ + return (select_lex ? select_lex->master_unit()->item : 0); +} /***************************************************************************** ** Instansiate templates |