diff options
Diffstat (limited to 'sql/sql_table.cc')
| -rw-r--r-- | sql/sql_table.cc | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/sql/sql_table.cc b/sql/sql_table.cc index 6977d85dff5..edf47858ebe 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -1,6 +1,6 @@ /* Copyright (c) 2000, 2013, Oracle and/or its affiliates. - Copyright (c) 2010, 2013, Monty Program Ab. + Copyright (c) 2010, 2014, SkySQL Ab. 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 @@ -74,6 +74,7 @@ static bool check_engine(THD *, const char *, const char *, HA_CREATE_INFO *); static int mysql_prepare_create_table(THD *, HA_CREATE_INFO *, Alter_info *, bool, uint *, handler *, KEY **, uint *, int); +static uint blob_length_by_type(enum_field_types type); /** @brief Helper function for explain_filename @@ -3475,7 +3476,6 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info, CHARSET_INFO *ft_key_charset=0; // for FULLTEXT for (uint column_nr=0 ; (column=cols++) ; column_nr++) { - uint length; Key_part_spec *dup_column; it.rewind(); @@ -3552,7 +3552,7 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info, } if (f_is_geom(sql_field->pack_flag) && sql_field->geom_type == Field::GEOM_POINT) - column->length= 25; + column->length= MAX_LEN_GEOM_POINT_FIELD; if (!column->length) { my_error(ER_BLOB_KEY_WITHOUT_LENGTH, MYF(0), column->field_name.str); @@ -3618,30 +3618,31 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info, key_part_info->fieldnr= field; key_part_info->offset= (uint16) sql_field->offset; key_part_info->key_type=sql_field->pack_flag; - length= sql_field->key_length; + uint key_part_length= sql_field->key_length; if (column->length) { if (f_is_blob(sql_field->pack_flag)) { - if ((length=column->length) > max_key_length || - length > file->max_key_part_length()) + key_part_length= min(column->length, + blob_length_by_type(sql_field->sql_type) + * sql_field->charset->mbmaxlen); + if (key_part_length > max_key_length || + key_part_length > file->max_key_part_length()) { - length=min(max_key_length, file->max_key_part_length()); + key_part_length= min(max_key_length, file->max_key_part_length()); if (key->type == Key::MULTIPLE) { /* not a critical problem */ - char warn_buff[MYSQL_ERRMSG_SIZE]; - my_snprintf(warn_buff, sizeof(warn_buff), ER(ER_TOO_LONG_KEY), - length); - push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_TOO_LONG_KEY, warn_buff); + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_TOO_LONG_KEY, ER(ER_TOO_LONG_KEY), + key_part_length); /* Align key length to multibyte char boundary */ - length-= length % sql_field->charset->mbmaxlen; + key_part_length-= key_part_length % sql_field->charset->mbmaxlen; } else { - my_error(ER_TOO_LONG_KEY,MYF(0),length); + my_error(ER_TOO_LONG_KEY, MYF(0), key_part_length); DBUG_RETURN(TRUE); } } @@ -3649,9 +3650,9 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info, // Catch invalid use of partial keys else if (!f_is_geom(sql_field->pack_flag) && // is the key partial? - column->length != length && + column->length != key_part_length && // is prefix length bigger than field length? - (column->length > length || + (column->length > key_part_length || // can the field have a partial key? !Field::type_can_have_key_part (sql_field->sql_type) || // a packed field can't be used in a partial key @@ -3660,43 +3661,42 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info, ((file->ha_table_flags() & HA_NO_PREFIX_CHAR_KEYS) && // and is this a 'unique' key? (key_info->flags & HA_NOSAME)))) - { + { my_message(ER_WRONG_SUB_KEY, ER(ER_WRONG_SUB_KEY), MYF(0)); DBUG_RETURN(TRUE); } else if (!(file->ha_table_flags() & HA_NO_PREFIX_CHAR_KEYS)) - length=column->length; + key_part_length= column->length; } - else if (length == 0 && (sql_field->flags & NOT_NULL_FLAG)) + else if (key_part_length == 0 && (sql_field->flags & NOT_NULL_FLAG)) { my_error(ER_WRONG_KEY_COLUMN, MYF(0), column->field_name.str); DBUG_RETURN(TRUE); } - if (length > file->max_key_part_length() && key->type != Key::FULLTEXT) + if (key_part_length > file->max_key_part_length() && + key->type != Key::FULLTEXT) { - length= file->max_key_part_length(); + key_part_length= file->max_key_part_length(); if (key->type == Key::MULTIPLE) { /* not a critical problem */ - char warn_buff[MYSQL_ERRMSG_SIZE]; - my_snprintf(warn_buff, sizeof(warn_buff), ER(ER_TOO_LONG_KEY), - length); - push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_TOO_LONG_KEY, warn_buff); + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_TOO_LONG_KEY, ER(ER_TOO_LONG_KEY), + key_part_length); /* Align key length to multibyte char boundary */ - length-= length % sql_field->charset->mbmaxlen; + key_part_length-= key_part_length % sql_field->charset->mbmaxlen; } else { - my_error(ER_TOO_LONG_KEY,MYF(0),length); + my_error(ER_TOO_LONG_KEY, MYF(0), key_part_length); DBUG_RETURN(TRUE); } } - key_part_info->length=(uint16) length; + key_part_info->length= (uint16) key_part_length; /* Use packed keys for long strings on the first column */ if (!((*db_options) & HA_OPTION_NO_PACK_KEYS) && !((create_info->table_options & HA_OPTION_NO_PACK_KEYS)) && - (length >= KEY_DEFAULT_PACK_LENGTH && + (key_part_length >= KEY_DEFAULT_PACK_LENGTH && (sql_field->sql_type == MYSQL_TYPE_STRING || sql_field->sql_type == MYSQL_TYPE_VARCHAR || sql_field->pack_flag & FIELDFLAG_BLOB))) @@ -3708,10 +3708,10 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info, key_info->flags|= HA_PACK_KEY; } /* Check if the key segment is partial, set the key flag accordingly */ - if (length != sql_field->key_length) + if (key_part_length != sql_field->key_length) key_info->flags|= HA_KEY_HAS_PART_KEY_SEG; - key_length+=length; + key_length+= key_part_length; key_part_info++; /* Create the key name based on the first column (if not given) */ |