sql_show.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:67k
- /* Copyright (C) 2000-2004 MySQL 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- /* Function with list databases, tables or fields */
- #include "mysql_priv.h"
- #include "sql_select.h" // For select_describe
- #include "repl_failsafe.h"
- #include <my_dir.h>
- #ifdef HAVE_BERKELEY_DB
- #include "ha_berkeley.h" // For berkeley_show_logs
- #endif
- static const char *grant_names[]={
- "select","insert","update","delete","create","drop","reload","shutdown",
- "process","file","grant","references","index","alter"};
- #ifndef NO_EMBEDDED_ACCESS_CHECKS
- static TYPELIB grant_types = { sizeof(grant_names)/sizeof(char **),
- "grant_types",
- grant_names, NULL};
- #endif
- static int
- store_create_info(THD *thd, TABLE *table, String *packet);
- /*
- Report list of databases
- A database is a directory in the mysql_data_home directory
- */
- int
- mysqld_show_dbs(THD *thd,const char *wild)
- {
- Item_string *field=new Item_string("",0,thd->charset());
- List<Item> field_list;
- char *end;
- List<char> files;
- char *file_name;
- Protocol *protocol= thd->protocol;
- DBUG_ENTER("mysqld_show_dbs");
- field->name=(char*) thd->alloc(20+ (wild ? (uint) strlen(wild)+4: 0));
- field->max_length=NAME_LEN;
- end=strmov(field->name,"Database");
- if (wild && wild[0])
- strxmov(end," (",wild,")",NullS);
- field_list.push_back(field);
- if (protocol->send_fields(&field_list,1))
- DBUG_RETURN(1);
- if (mysql_find_files(thd,&files,NullS,mysql_data_home,wild,1))
- DBUG_RETURN(1);
- List_iterator_fast<char> it(files);
- while ((file_name=it++))
- {
- #ifndef NO_EMBEDDED_ACCESS_CHECKS
- if (thd->master_access & (DB_ACLS | SHOW_DB_ACL) ||
- acl_get(thd->host, thd->ip, thd->priv_user, file_name,0) ||
- (grant_option && !check_grant_db(thd, file_name)))
- #endif
- {
- protocol->prepare_for_resend();
- protocol->store(file_name, system_charset_info);
- if (protocol->write())
- DBUG_RETURN(-1);
- }
- }
- send_eof(thd);
- DBUG_RETURN(0);
- }
- /***************************************************************************
- List all open tables in a database
- ***************************************************************************/
- int mysqld_show_open_tables(THD *thd,const char *wild)
- {
- List<Item> field_list;
- OPEN_TABLE_LIST *open_list;
- Protocol *protocol= thd->protocol;
- DBUG_ENTER("mysqld_show_open_tables");
- field_list.push_back(new Item_empty_string("Database",NAME_LEN));
- field_list.push_back(new Item_empty_string("Table",NAME_LEN));
- field_list.push_back(new Item_return_int("In_use", 1, MYSQL_TYPE_TINY));
- field_list.push_back(new Item_return_int("Name_locked", 4, MYSQL_TYPE_TINY));
- if (protocol->send_fields(&field_list,1))
- DBUG_RETURN(1);
- if (!(open_list=list_open_tables(thd,wild)) && thd->is_fatal_error)
- DBUG_RETURN(-1);
- for (; open_list ; open_list=open_list->next)
- {
- protocol->prepare_for_resend();
- protocol->store(open_list->db, system_charset_info);
- protocol->store(open_list->table, system_charset_info);
- protocol->store_tiny((longlong) open_list->in_use);
- protocol->store_tiny((longlong) open_list->locked);
- if (protocol->write())
- {
- DBUG_RETURN(-1);
- }
- }
- send_eof(thd);
- DBUG_RETURN(0);
- }
- /***************************************************************************
- ** List all tables in a database (fast version)
- ** A table is a .frm file in the current databasedir
- ***************************************************************************/
- int mysqld_show_tables(THD *thd,const char *db,const char *wild)
- {
- Item_string *field=new Item_string("",0,thd->charset());
- List<Item> field_list;
- char path[FN_LEN],*end;
- List<char> files;
- char *file_name;
- Protocol *protocol= thd->protocol;
- DBUG_ENTER("mysqld_show_tables");
- field->name=(char*) thd->alloc(20+(uint) strlen(db)+
- (wild ? (uint) strlen(wild)+4:0));
- end=strxmov(field->name,"Tables_in_",db,NullS);
- if (wild && wild[0])
- strxmov(end," (",wild,")",NullS);
- field->max_length=NAME_LEN;
- (void) sprintf(path,"%s/%s",mysql_data_home,db);
- (void) unpack_dirname(path,path);
- field_list.push_back(field);
- if (protocol->send_fields(&field_list,1))
- DBUG_RETURN(1);
- if (mysql_find_files(thd,&files,db,path,wild,0))
- DBUG_RETURN(-1);
- List_iterator_fast<char> it(files);
- while ((file_name=it++))
- {
- protocol->prepare_for_resend();
- protocol->store(file_name, system_charset_info);
- if (protocol->write())
- DBUG_RETURN(-1);
- }
- send_eof(thd);
- DBUG_RETURN(0);
- }
- /***************************************************************************
- ** List all table types supported
- ***************************************************************************/
- int mysqld_show_storage_engines(THD *thd)
- {
- List<Item> field_list;
- Protocol *protocol= thd->protocol;
- DBUG_ENTER("mysqld_show_storage_engines");
- field_list.push_back(new Item_empty_string("Engine",10));
- field_list.push_back(new Item_empty_string("Support",10));
- field_list.push_back(new Item_empty_string("Comment",80));
- if (protocol->send_fields(&field_list,1))
- DBUG_RETURN(1);
- const char *default_type_name=
- ha_get_storage_engine((enum db_type)thd->variables.table_type);
- show_table_type_st *types;
- for (types= sys_table_types; types->type; types++)
- {
- protocol->prepare_for_resend();
- protocol->store(types->type, system_charset_info);
- const char *option_name= show_comp_option_name[(int) *types->value];
- if (*types->value == SHOW_OPTION_YES &&
- !my_strcasecmp(system_charset_info, default_type_name, types->type))
- option_name= "DEFAULT";
- protocol->store(option_name, system_charset_info);
- protocol->store(types->comment, system_charset_info);
- if (protocol->write())
- DBUG_RETURN(-1);
- }
- send_eof(thd);
- DBUG_RETURN(0);
- }
- /***************************************************************************
- List all privileges supported
- ***************************************************************************/
- struct show_privileges_st {
- const char *privilege;
- const char *context;
- const char *comment;
- };
- static struct show_privileges_st sys_privileges[]=
- {
- {"Alter", "Tables", "To alter the table"},
- {"Create temporary tables","Databases","To use CREATE TEMPORARY TABLE"},
- {"Create", "Databases,Tables,Indexes", "To create new databases and tables"},
- {"Delete", "Tables", "To delete existing rows"},
- {"Drop", "Databases,Tables", "To drop databases and tables"},
- {"File", "File access on server", "To read and write files on the server"},
- {"Grant option", "Databases,Tables", "To give to other users those privileges you possess"},
- {"Index", "Tables", "To create or drop indexes"},
- {"Insert", "Tables", "To insert data into tables"},
- {"Lock tables","Databases","To use LOCK TABLES (together with SELECT privilege)"},
- {"Process", "Server Admin", "To view the plain text of currently executing queries"},
- {"References", "Databases,Tables", "To have references on tables"},
- {"Reload", "Server Admin", "To reload or refresh tables, logs and privileges"},
- {"Replication client","Server Admin","To ask where the slave or master servers are"},
- {"Replication slave","Server Admin","To read binary log events from the master"},
- {"Select", "Tables", "To retrieve rows from table"},
- {"Show databases","Server Admin","To see all databases with SHOW DATABASES"},
- {"Shutdown","Server Admin", "To shutdown the server"},
- {"Super","Server Admin","To use KILL thread, SET GLOBAL, CHANGE MASTER, etc."},
- {"Update", "Tables", "To update existing rows"},
- {"Usage","Server Admin","No privileges - allow connect only"},
- {NullS, NullS, NullS}
- };
- int mysqld_show_privileges(THD *thd)
- {
- List<Item> field_list;
- Protocol *protocol= thd->protocol;
- DBUG_ENTER("mysqld_show_privileges");
- field_list.push_back(new Item_empty_string("Privilege",10));
- field_list.push_back(new Item_empty_string("Context",15));
- field_list.push_back(new Item_empty_string("Comment",NAME_LEN));
- if (protocol->send_fields(&field_list,1))
- DBUG_RETURN(1);
- show_privileges_st *privilege= sys_privileges;
- for (privilege= sys_privileges; privilege->privilege ; privilege++)
- {
- protocol->prepare_for_resend();
- protocol->store(privilege->privilege, system_charset_info);
- protocol->store(privilege->context, system_charset_info);
- protocol->store(privilege->comment, system_charset_info);
- if (protocol->write())
- DBUG_RETURN(-1);
- }
- send_eof(thd);
- DBUG_RETURN(0);
- }
- /***************************************************************************
- List all column types
- ***************************************************************************/
- struct show_column_type_st
- {
- const char *type;
- uint size;
- const char *min_value;
- const char *max_value;
- uint precision;
- uint scale;
- const char *nullable;
- const char *auto_increment;
- const char *unsigned_attr;
- const char *zerofill;
- const char *searchable;
- const char *case_sensitivity;
- const char *default_value;
- const char *comment;
- };
- /* TODO: Add remaning types */
- static struct show_column_type_st sys_column_types[]=
- {
- {"tinyint",
- 1, "-128", "127", 0, 0, "YES", "YES",
- "NO", "YES", "YES", "NO", "NULL,0",
- "A very small integer"},
- {"tinyint unsigned",
- 1, "0" , "255", 0, 0, "YES", "YES",
- "YES", "YES", "YES", "NO", "NULL,0",
- "A very small integer"},
- };
- int mysqld_show_column_types(THD *thd)
- {
- List<Item> field_list;
- Protocol *protocol= thd->protocol;
- DBUG_ENTER("mysqld_show_column_types");
- field_list.push_back(new Item_empty_string("Type",30));
- field_list.push_back(new Item_int("Size",(longlong) 1,21));
- field_list.push_back(new Item_empty_string("Min_Value",20));
- field_list.push_back(new Item_empty_string("Max_Value",20));
- field_list.push_back(new Item_return_int("Prec", 4, MYSQL_TYPE_SHORT));
- field_list.push_back(new Item_return_int("Scale", 4, MYSQL_TYPE_SHORT));
- field_list.push_back(new Item_empty_string("Nullable",4));
- field_list.push_back(new Item_empty_string("Auto_Increment",4));
- field_list.push_back(new Item_empty_string("Unsigned",4));
- field_list.push_back(new Item_empty_string("Zerofill",4));
- field_list.push_back(new Item_empty_string("Searchable",4));
- field_list.push_back(new Item_empty_string("Case_Sensitive",4));
- field_list.push_back(new Item_empty_string("Default",NAME_LEN));
- field_list.push_back(new Item_empty_string("Comment",NAME_LEN));
- if (protocol->send_fields(&field_list,1))
- DBUG_RETURN(1);
- /* TODO: Change the loop to not use 'i' */
- for (uint i=0; i < sizeof(sys_column_types)/sizeof(sys_column_types[0]); i++)
- {
- protocol->prepare_for_resend();
- protocol->store(sys_column_types[i].type, system_charset_info);
- protocol->store((ulonglong) sys_column_types[i].size);
- protocol->store(sys_column_types[i].min_value, system_charset_info);
- protocol->store(sys_column_types[i].max_value, system_charset_info);
- protocol->store_short((longlong) sys_column_types[i].precision);
- protocol->store_short((longlong) sys_column_types[i].scale);
- protocol->store(sys_column_types[i].nullable, system_charset_info);
- protocol->store(sys_column_types[i].auto_increment, system_charset_info);
- protocol->store(sys_column_types[i].unsigned_attr, system_charset_info);
- protocol->store(sys_column_types[i].zerofill, system_charset_info);
- protocol->store(sys_column_types[i].searchable, system_charset_info);
- protocol->store(sys_column_types[i].case_sensitivity, system_charset_info);
- protocol->store(sys_column_types[i].default_value, system_charset_info);
- protocol->store(sys_column_types[i].comment, system_charset_info);
- if (protocol->write())
- DBUG_RETURN(-1);
- }
- send_eof(thd);
- DBUG_RETURN(0);
- }
- int
- mysql_find_files(THD *thd,List<char> *files, const char *db,const char *path,
- const char *wild, bool dir)
- {
- uint i;
- char *ext;
- MY_DIR *dirp;
- FILEINFO *file;
- #ifndef NO_EMBEDDED_ACCESS_CHECKS
- uint col_access=thd->col_access;
- #endif
- TABLE_LIST table_list;
- DBUG_ENTER("mysql_find_files");
- if (wild && !wild[0])
- wild=0;
- bzero((char*) &table_list,sizeof(table_list));
- if (!(dirp = my_dir(path,MYF(MY_WME | (dir ? MY_WANT_STAT : 0)))))
- DBUG_RETURN(-1);
- for (i=0 ; i < (uint) dirp->number_off_files ; i++)
- {
- file=dirp->dir_entry+i;
- if (dir)
- { /* Return databases */
- #ifdef USE_SYMDIR
- char *ext;
- char buff[FN_REFLEN];
- if (my_use_symdir && !strcmp(ext=fn_ext(file->name), ".sym"))
- {
- /* Only show the sym file if it points to a directory */
- char *end;
- *ext=0; /* Remove extension */
- unpack_dirname(buff, file->name);
- end= strend(buff);
- if (end != buff && end[-1] == FN_LIBCHAR)
- end[-1]= 0; // Remove end FN_LIBCHAR
- if (!my_stat(buff, file->mystat, MYF(0)))
- continue;
- }
- #endif
- if (file->name[0] == '.' || !MY_S_ISDIR(file->mystat->st_mode) ||
- (wild && wild_compare(file->name,wild,0)))
- continue;
- }
- else
- {
- // Return only .frm files which aren't temp files.
- if (my_strcasecmp(system_charset_info, ext=fn_ext(file->name),reg_ext) ||
- is_prefix(file->name,tmp_file_prefix))
- continue;
- *ext=0;
- if (wild)
- {
- if (lower_case_table_names)
- {
- if (wild_case_compare(files_charset_info, file->name, wild))
- continue;
- }
- else if (wild_compare(file->name,wild,0))
- continue;
- }
- }
- #ifndef NO_EMBEDDED_ACCESS_CHECKS
- /* Don't show tables where we don't have any privileges */
- if (db && !(col_access & TABLE_ACLS))
- {
- table_list.db= (char*) db;
- table_list.real_name=file->name;
- table_list.grant.privilege=col_access;
- if (check_grant(thd, TABLE_ACLS, &table_list, 1, UINT_MAX, 1))
- continue;
- }
- #endif
- if (files->push_back(thd->strdup(file->name)))
- {
- my_dirend(dirp);
- DBUG_RETURN(-1);
- }
- }
- DBUG_PRINT("info",("found: %d files", files->elements));
- my_dirend(dirp);
- VOID(ha_find_files(thd,db,path,wild,dir,files));
- DBUG_RETURN(0);
- }
- /***************************************************************************
- Extended version of mysqld_show_tables
- ***************************************************************************/
- int mysqld_extend_show_tables(THD *thd,const char *db,const char *wild)
- {
- Item *item;
- List<char> files;
- List<Item> field_list;
- char path[FN_LEN];
- char *file_name;
- TABLE *table;
- Protocol *protocol= thd->protocol;
- TIME time;
- int res= 0;
- DBUG_ENTER("mysqld_extend_show_tables");
- (void) sprintf(path,"%s/%s",mysql_data_home,db);
- (void) unpack_dirname(path,path);
- field_list.push_back(item=new Item_empty_string("Name",NAME_LEN));
- field_list.push_back(item=new Item_empty_string("Engine",10));
- item->maybe_null=1;
- field_list.push_back(item=new Item_int("Version", (longlong) 0, 21));
- item->maybe_null=1;
- field_list.push_back(item=new Item_empty_string("Row_format",10));
- item->maybe_null=1;
- field_list.push_back(item=new Item_int("Rows",(longlong) 1,21));
- item->maybe_null=1;
- field_list.push_back(item=new Item_int("Avg_row_length",(int32) 0,21));
- item->maybe_null=1;
- field_list.push_back(item=new Item_int("Data_length",(longlong) 1,21));
- item->maybe_null=1;
- field_list.push_back(item=new Item_int("Max_data_length",(longlong) 1,21));
- item->maybe_null=1;
- field_list.push_back(item=new Item_int("Index_length",(longlong) 1,21));
- item->maybe_null=1;
- field_list.push_back(item=new Item_int("Data_free",(longlong) 1,21));
- item->maybe_null=1;
- field_list.push_back(item=new Item_int("Auto_increment",(longlong) 1,21));
- item->maybe_null=1;
- field_list.push_back(item=new Item_datetime("Create_time"));
- item->maybe_null=1;
- field_list.push_back(item=new Item_datetime("Update_time"));
- item->maybe_null=1;
- field_list.push_back(item=new Item_datetime("Check_time"));
- item->maybe_null=1;
- field_list.push_back(item=new Item_empty_string("Collation",32));
- item->maybe_null=1;
- field_list.push_back(item=new Item_int("Checksum",(longlong) 1,21));
- item->maybe_null=1;
- field_list.push_back(item=new Item_empty_string("Create_options",255));
- item->maybe_null=1;
- field_list.push_back(item=new Item_empty_string("Comment",80));
- item->maybe_null=1;
- if (protocol->send_fields(&field_list,1))
- DBUG_RETURN(1);
- if (mysql_find_files(thd,&files,db,path,wild,0))
- DBUG_RETURN(-1);
- List_iterator_fast<char> it(files);
- while ((file_name=it++))
- {
- TABLE_LIST table_list;
- bzero((char*) &table_list,sizeof(table_list));
- protocol->prepare_for_resend();
- protocol->store(file_name, system_charset_info);
- table_list.db=(char*) db;
- table_list.real_name= table_list.alias= file_name;
- if (lower_case_table_names)
- my_casedn_str(files_charset_info, file_name);
- if (!(table = open_ltable(thd, &table_list, TL_READ)))
- {
- for (uint i=2 ; i < field_list.elements ; i++)
- protocol->store_null();
- // Send error to Comment field
- protocol->store(thd->net.last_error, system_charset_info);
- thd->clear_error();
- }
- else
- {
- const char *str;
- handler *file=table->file;
- file->info(HA_STATUS_VARIABLE | HA_STATUS_TIME | HA_STATUS_NO_LOCK);
- protocol->store(file->table_type(), system_charset_info);
- protocol->store((ulonglong) table->frm_version);
- str= ((table->db_options_in_use & HA_OPTION_COMPRESS_RECORD) ?
- "Compressed" :
- (table->db_options_in_use & HA_OPTION_PACK_RECORD) ?
- "Dynamic" : "Fixed");
- protocol->store(str, system_charset_info);
- protocol->store((ulonglong) file->records);
- protocol->store((ulonglong) file->mean_rec_length);
- protocol->store((ulonglong) file->data_file_length);
- if (file->max_data_file_length)
- protocol->store((ulonglong) file->max_data_file_length);
- else
- protocol->store_null();
- protocol->store((ulonglong) file->index_file_length);
- protocol->store((ulonglong) file->delete_length);
- if (table->found_next_number_field)
- {
- table->next_number_field=table->found_next_number_field;
- table->next_number_field->reset();
- file->update_auto_increment();
- protocol->store(table->next_number_field->val_int());
- table->next_number_field=0;
- }
- else
- protocol->store_null();
- if (!file->create_time)
- protocol->store_null();
- else
- {
- thd->variables.time_zone->gmt_sec_to_TIME(&time, file->create_time);
- protocol->store(&time);
- }
- if (!file->update_time)
- protocol->store_null();
- else
- {
- thd->variables.time_zone->gmt_sec_to_TIME(&time, file->update_time);
- protocol->store(&time);
- }
- if (!file->check_time)
- protocol->store_null();
- else
- {
- thd->variables.time_zone->gmt_sec_to_TIME(&time, file->check_time);
- protocol->store(&time);
- }
- str= (table->table_charset ? table->table_charset->name : "default");
- protocol->store(str, system_charset_info);
- if (file->table_flags() & HA_HAS_CHECKSUM)
- protocol->store((ulonglong)file->checksum());
- else
- protocol->store_null(); // Checksum
- {
- char option_buff[350],*ptr;
- ptr=option_buff;
- if (table->min_rows)
- {
- ptr=strmov(ptr," min_rows=");
- ptr=longlong10_to_str(table->min_rows,ptr,10);
- }
- if (table->max_rows)
- {
- ptr=strmov(ptr," max_rows=");
- ptr=longlong10_to_str(table->max_rows,ptr,10);
- }
- if (table->avg_row_length)
- {
- ptr=strmov(ptr," avg_row_length=");
- ptr=longlong10_to_str(table->avg_row_length,ptr,10);
- }
- if (table->db_create_options & HA_OPTION_PACK_KEYS)
- ptr=strmov(ptr," pack_keys=1");
- if (table->db_create_options & HA_OPTION_NO_PACK_KEYS)
- ptr=strmov(ptr," pack_keys=0");
- if (table->db_create_options & HA_OPTION_CHECKSUM)
- ptr=strmov(ptr," checksum=1");
- if (table->db_create_options & HA_OPTION_DELAY_KEY_WRITE)
- ptr=strmov(ptr," delay_key_write=1");
- if (table->row_type != ROW_TYPE_DEFAULT)
- ptr=strxmov(ptr, " row_format=", ha_row_type[(uint) table->row_type],
- NullS);
- if (file->raid_type)
- {
- char buff[100];
- sprintf(buff," raid_type=%s raid_chunks=%d raid_chunksize=%ld",
- my_raid_type(file->raid_type), file->raid_chunks, file->raid_chunksize/RAID_BLOCK_SIZE);
- ptr=strmov(ptr,buff);
- }
- protocol->store(option_buff+1,
- (ptr == option_buff ? 0 : (uint) (ptr-option_buff)-1)
- , system_charset_info);
- }
- {
- char *comment=table->file->update_table_comment(table->comment);
- protocol->store(comment, system_charset_info);
- if (comment != table->comment)
- my_free(comment,MYF(0));
- }
- close_thread_tables(thd,0);
- }
- if (protocol->write())
- {
- res= -1;
- break;
- }
- }
- thd->insert_id(0);
- if (!res)
- send_eof(thd);
- DBUG_RETURN(res);
- }
- /***************************************************************************
- ** List all columns in a table_list->real_name
- ***************************************************************************/
- int
- mysqld_show_fields(THD *thd, TABLE_LIST *table_list,const char *wild,
- bool verbose)
- {
- TABLE *table;
- handler *file;
- char tmp[MAX_FIELD_WIDTH];
- char tmp1[MAX_FIELD_WIDTH];
- Item *item;
- Protocol *protocol= thd->protocol;
- DBUG_ENTER("mysqld_show_fields");
- DBUG_PRINT("enter",("db: %s table: %s",table_list->db,
- table_list->real_name));
- if (!(table = open_ltable(thd, table_list, TL_UNLOCK)))
- {
- send_error(thd);
- DBUG_RETURN(1);
- }
- file=table->file;
- file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK);
- #ifndef NO_EMBEDDED_ACCESS_CHECKS
- (void) get_table_grant(thd, table_list);
- #endif
- List<Item> field_list;
- field_list.push_back(new Item_empty_string("Field",NAME_LEN));
- field_list.push_back(new Item_empty_string("Type", 40));
- if (verbose)
- field_list.push_back(new Item_empty_string("Collation",40));
- field_list.push_back(new Item_empty_string("Null",1));
- field_list.push_back(new Item_empty_string("Key",3));
- field_list.push_back(item=new Item_empty_string("Default",NAME_LEN));
- item->maybe_null=1;
- field_list.push_back(new Item_empty_string("Extra",20));
- if (verbose)
- {
- field_list.push_back(new Item_empty_string("Privileges",80));
- field_list.push_back(new Item_empty_string("Comment",255));
- }
- // Send first number of fields and records
- if (protocol->send_records_num(&field_list, (ulonglong)file->records) ||
- protocol->send_fields(&field_list,0))
- DBUG_RETURN(1);
- restore_record(table,default_values); // Get empty record
- Field **ptr,*field;
- for (ptr=table->field; (field= *ptr) ; ptr++)
- {
- if (!wild || !wild[0] ||
- !wild_case_compare(system_charset_info, field->field_name,wild))
- {
- {
- byte *pos;
- uint flags=field->flags;
- String type(tmp,sizeof(tmp), system_charset_info);
- #ifndef NO_EMBEDDED_ACCESS_CHECKS
- uint col_access;
- #endif
- protocol->prepare_for_resend();
- protocol->store(field->field_name, system_charset_info);
- field->sql_type(type);
- protocol->store(type.ptr(), type.length(), system_charset_info);
- if (verbose)
- protocol->store(field->has_charset() ? field->charset()->name : "NULL",
- system_charset_info);
- /*
- Even if TIMESTAMP field can't contain NULL as its value it
- will accept NULL if you will try to insert such value and will
- convert NULL value to current TIMESTAMP. So YES here means
- that NULL is allowed for assignment (but may be won't be
- returned).
- */
- pos=(byte*) ((flags & NOT_NULL_FLAG) &&
- field->type() != FIELD_TYPE_TIMESTAMP ?
- "" : "YES");
- protocol->store((const char*) pos, system_charset_info);
- pos=(byte*) ((field->flags & PRI_KEY_FLAG) ? "PRI" :
- (field->flags & UNIQUE_KEY_FLAG) ? "UNI" :
- (field->flags & MULTIPLE_KEY_FLAG) ? "MUL":"");
- protocol->store((char*) pos, system_charset_info);
- if (table->timestamp_field == field &&
- field->unireg_check != Field::TIMESTAMP_UN_FIELD)
- {
- /*
- We have NOW() as default value but we use CURRENT_TIMESTAMP form
- because it is more SQL standard comatible
- */
- protocol->store("CURRENT_TIMESTAMP", system_charset_info);
- }
- else if (field->unireg_check != Field::NEXT_NUMBER &&
- !field->is_null())
- { // Not null by default
- /*
- Note: we have to convert the default value into
- system_charset_info before sending.
- This is necessary for "SET NAMES binary":
- If the client character set is binary, we want to
- send metadata in UTF8 rather than in the column's
- character set.
- This conversion also makes "SHOW COLUMNS" and
- "SHOW CREATE TABLE" output consistent. Without
- this conversion the default values were displayed
- differently.
- */
- String def(tmp1,sizeof(tmp1), system_charset_info);
- type.set(tmp, sizeof(tmp), field->charset());
- field->val_str(&type);
- uint dummy_errors;
- def.copy(type.ptr(), type.length(), type.charset(),
- system_charset_info, &dummy_errors);
- protocol->store(def.ptr(), def.length(), def.charset());
- }
- else if (field->unireg_check == Field::NEXT_NUMBER ||
- field->maybe_null())
- protocol->store_null(); // Null as default
- else
- protocol->store("",0, system_charset_info); // empty string
- char *end=tmp;
- if (field->unireg_check == Field::NEXT_NUMBER)
- end=strmov(tmp,"auto_increment");
- protocol->store(tmp,(uint) (end-tmp), system_charset_info);
- if (verbose)
- {
- /* Add grant options & comments */
- end=tmp;
- #ifndef NO_EMBEDDED_ACCESS_CHECKS
- col_access= get_column_grant(thd,table_list,field) & COL_ACLS;
- for (uint bitnr=0; col_access ; col_access>>=1,bitnr++)
- {
- if (col_access & 1)
- {
- *end++=',';
- end=strmov(end,grant_types.type_names[bitnr]);
- }
- }
- #else
- end=strmov(end,"");
- #endif
- protocol->store(tmp+1,end == tmp ? 0 : (uint) (end-tmp-1),
- system_charset_info);
- protocol->store(field->comment.str, field->comment.length,
- system_charset_info);
- }
- if (protocol->write())
- DBUG_RETURN(1);
- }
- }
- }
- send_eof(thd);
- DBUG_RETURN(0);
- }
- int
- mysqld_show_create(THD *thd, TABLE_LIST *table_list)
- {
- TABLE *table;
- Protocol *protocol= thd->protocol;
- char buff[2048];
- String buffer(buff, sizeof(buff), system_charset_info);
- DBUG_ENTER("mysqld_show_create");
- DBUG_PRINT("enter",("db: %s table: %s",table_list->db,
- table_list->real_name));
- /* Only one table for now */
- if (!(table = open_ltable(thd, table_list, TL_UNLOCK)))
- {
- send_error(thd);
- DBUG_RETURN(1);
- }
- buffer.length(0);
- if (store_create_info(thd, table, &buffer))
- DBUG_RETURN(-1);
- List<Item> field_list;
- field_list.push_back(new Item_empty_string("Table",NAME_LEN));
- // 1024 is for not to confuse old clients
- field_list.push_back(new Item_empty_string("Create Table",
- max(buffer.length(),1024)));
- if (protocol->send_fields(&field_list, 1))
- DBUG_RETURN(1);
- protocol->prepare_for_resend();
- protocol->store(table->table_name, system_charset_info);
- protocol->store(buffer.ptr(), buffer.length(), buffer.charset());
- if (protocol->write())
- DBUG_RETURN(1);
- send_eof(thd);
- DBUG_RETURN(0);
- }
- int mysqld_show_create_db(THD *thd, char *dbname,
- HA_CREATE_INFO *create_info)
- {
- int length;
- char path[FN_REFLEN];
- char buff[2048];
- String buffer(buff, sizeof(buff), system_charset_info);
- #ifndef NO_EMBEDDED_ACCESS_CHECKS
- uint db_access;
- #endif
- bool found_libchar;
- HA_CREATE_INFO create;
- uint create_options = create_info ? create_info->options : 0;
- Protocol *protocol=thd->protocol;
- DBUG_ENTER("mysql_show_create_db");
- if (check_db_name(dbname))
- {
- net_printf(thd,ER_WRONG_DB_NAME, dbname);
- DBUG_RETURN(1);
- }
- #ifndef NO_EMBEDDED_ACCESS_CHECKS
- if (test_all_bits(thd->master_access,DB_ACLS))
- db_access=DB_ACLS;
- else
- db_access= (acl_get(thd->host,thd->ip, thd->priv_user,dbname,0) |
- thd->master_access);
- if (!(db_access & DB_ACLS) && (!grant_option || check_grant_db(thd,dbname)))
- {
- net_printf(thd,ER_DBACCESS_DENIED_ERROR,
- thd->priv_user, thd->host_or_ip, dbname);
- mysql_log.write(thd,COM_INIT_DB,ER(ER_DBACCESS_DENIED_ERROR),
- thd->priv_user, thd->host_or_ip, dbname);
- DBUG_RETURN(1);
- }
- #endif
- (void) sprintf(path,"%s/%s",mysql_data_home, dbname);
- length=unpack_dirname(path,path); // Convert if not unix
- found_libchar= 0;
- if (length && path[length-1] == FN_LIBCHAR)
- {
- found_libchar= 1;
- path[length-1]=0; // remove ending ''
- }
- if (access(path,F_OK))
- {
- net_printf(thd,ER_BAD_DB_ERROR,dbname);
- DBUG_RETURN(1);
- }
- if (found_libchar)
- path[length-1]= FN_LIBCHAR;
- strmov(path+length, MY_DB_OPT_FILE);
- load_db_opt(thd, path, &create);
- List<Item> field_list;
- field_list.push_back(new Item_empty_string("Database",NAME_LEN));
- field_list.push_back(new Item_empty_string("Create Database",1024));
- if (protocol->send_fields(&field_list,1))
- DBUG_RETURN(1);
- protocol->prepare_for_resend();
- protocol->store(dbname, strlen(dbname), system_charset_info);
- buffer.length(0);
- buffer.append("CREATE DATABASE ", 16);
- if (create_options & HA_LEX_CREATE_IF_NOT_EXISTS)
- buffer.append("/*!32312 IF NOT EXISTS*/ ", 25);
- append_identifier(thd, &buffer, dbname, strlen(dbname));
- if (create.default_table_charset)
- {
- buffer.append(" /*!40100", 9);
- buffer.append(" DEFAULT CHARACTER SET ", 23);
- buffer.append(create.default_table_charset->csname);
- if (!(create.default_table_charset->state & MY_CS_PRIMARY))
- {
- buffer.append(" COLLATE ", 9);
- buffer.append(create.default_table_charset->name);
- }
- buffer.append(" */", 3);
- }
- protocol->store(buffer.ptr(), buffer.length(), buffer.charset());
- if (protocol->write())
- DBUG_RETURN(1);
- send_eof(thd);
- DBUG_RETURN(0);
- }
- int
- mysqld_show_logs(THD *thd)
- {
- List<Item> field_list;
- Protocol *protocol= thd->protocol;
- DBUG_ENTER("mysqld_show_logs");
- field_list.push_back(new Item_empty_string("File",FN_REFLEN));
- field_list.push_back(new Item_empty_string("Type",10));
- field_list.push_back(new Item_empty_string("Status",10));
- if (protocol->send_fields(&field_list,1))
- DBUG_RETURN(1);
- #ifdef HAVE_BERKELEY_DB
- if ((have_berkeley_db == SHOW_OPTION_YES) && berkeley_show_logs(protocol))
- DBUG_RETURN(-1);
- #endif
- send_eof(thd);
- DBUG_RETURN(0);
- }
- int
- mysqld_show_keys(THD *thd, TABLE_LIST *table_list)
- {
- TABLE *table;
- Protocol *protocol= thd->protocol;
- DBUG_ENTER("mysqld_show_keys");
- DBUG_PRINT("enter",("db: %s table: %s",table_list->db,
- table_list->real_name));
- if (!(table = open_ltable(thd, table_list, TL_UNLOCK)))
- {
- send_error(thd);
- DBUG_RETURN(1);
- }
- List<Item> field_list;
- Item *item;
- field_list.push_back(new Item_empty_string("Table",NAME_LEN));
- field_list.push_back(new Item_return_int("Non_unique",1, MYSQL_TYPE_TINY));
- field_list.push_back(new Item_empty_string("Key_name",NAME_LEN));
- field_list.push_back(new Item_return_int("Seq_in_index",2, MYSQL_TYPE_TINY));
- field_list.push_back(new Item_empty_string("Column_name",NAME_LEN));
- field_list.push_back(item=new Item_empty_string("Collation",1));
- item->maybe_null=1;
- field_list.push_back(item=new Item_int("Cardinality",0,21));
- item->maybe_null=1;
- field_list.push_back(item=new Item_return_int("Sub_part",3,
- MYSQL_TYPE_SHORT));
- item->maybe_null=1;
- field_list.push_back(item=new Item_empty_string("Packed",10));
- item->maybe_null=1;
- field_list.push_back(new Item_empty_string("Null",3));
- field_list.push_back(new Item_empty_string("Index_type",16));
- field_list.push_back(new Item_empty_string("Comment",255));
- item->maybe_null=1;
- if (protocol->send_fields(&field_list,1))
- DBUG_RETURN(1);
- KEY *key_info=table->key_info;
- table->file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK | HA_STATUS_TIME);
- for (uint i=0 ; i < table->keys ; i++,key_info++)
- {
- KEY_PART_INFO *key_part= key_info->key_part;
- const char *str;
- for (uint j=0 ; j < key_info->key_parts ; j++,key_part++)
- {
- protocol->prepare_for_resend();
- protocol->store(table->table_name, system_charset_info);
- protocol->store_tiny((longlong) ((key_info->flags & HA_NOSAME) ? 0 :1));
- protocol->store(key_info->name, system_charset_info);
- protocol->store_tiny((longlong) (j+1));
- str=(key_part->field ? key_part->field->field_name :
- "?unknown field?");
- protocol->store(str, system_charset_info);
- if (table->file->index_flags(i, j, 0) & HA_READ_ORDER)
- protocol->store(((key_part->key_part_flag & HA_REVERSE_SORT) ?
- "D" : "A"), 1, system_charset_info);
- else
- protocol->store_null(); /* purecov: inspected */
- KEY *key=table->key_info+i;
- if (key->rec_per_key[j])
- {
- ha_rows records=(table->file->records / key->rec_per_key[j]);
- protocol->store((ulonglong) records);
- }
- else
- protocol->store_null();
- /* Check if we have a key part that only uses part of the field */
- if (!(key_info->flags & HA_FULLTEXT) && (!key_part->field ||
- key_part->length != table->field[key_part->fieldnr-1]->key_length()))
- protocol->store_short((longlong) key_part->length /
- key_part->field->charset()->mbmaxlen);
- else
- protocol->store_null();
- protocol->store_null(); // No pack_information yet
- /* Null flag */
- uint flags= key_part->field ? key_part->field->flags : 0;
- char *pos=(char*) ((flags & NOT_NULL_FLAG) ? "" : "YES");
- protocol->store((const char*) pos, system_charset_info);
- protocol->store(table->file->index_type(i), system_charset_info);
- /* Comment */
- if (!table->keys_in_use.is_set(i))
- protocol->store("disabled",8, system_charset_info);
- else
- protocol->store("", 0, system_charset_info);
- if (protocol->write())
- DBUG_RETURN(1); /* purecov: inspected */
- }
- }
- send_eof(thd);
- DBUG_RETURN(0);
- }
- /****************************************************************************
- Return only fields for API mysql_list_fields
- Use "show table wildcard" in mysql instead of this
- ****************************************************************************/
- void
- mysqld_list_fields(THD *thd, TABLE_LIST *table_list, const char *wild)
- {
- TABLE *table;
- DBUG_ENTER("mysqld_list_fields");
- DBUG_PRINT("enter",("table: %s",table_list->real_name));
- if (!(table = open_ltable(thd, table_list, TL_UNLOCK)))
- {
- send_error(thd);
- DBUG_VOID_RETURN;
- }
- List<Item> field_list;
- Field **ptr,*field;
- for (ptr=table->field ; (field= *ptr); ptr++)
- {
- if (!wild || !wild[0] ||
- !wild_case_compare(system_charset_info, field->field_name,wild))
- field_list.push_back(new Item_field(field));
- }
- restore_record(table,default_values); // Get empty record
- if (thd->protocol->send_fields(&field_list,2))
- DBUG_VOID_RETURN;
- thd->protocol->flush();
- DBUG_VOID_RETURN;
- }
- int
- mysqld_dump_create_info(THD *thd, TABLE *table, int fd)
- {
- Protocol *protocol= thd->protocol;
- String *packet= protocol->storage_packet();
- DBUG_ENTER("mysqld_dump_create_info");
- DBUG_PRINT("enter",("table: %s",table->real_name));
- protocol->prepare_for_resend();
- if (store_create_info(thd, table, packet))
- DBUG_RETURN(-1);
- if (fd < 0)
- {
- if (protocol->write())
- DBUG_RETURN(-1);
- protocol->flush();
- }
- else
- {
- if (my_write(fd, (const byte*) packet->ptr(), packet->length(),
- MYF(MY_WME)))
- DBUG_RETURN(-1);
- }
- DBUG_RETURN(0);
- }
- /*
- Go through all character combinations and ensure that sql_lex.cc can
- parse it as an identifer.
- SYNOPSIS
- require_quotes()
- name attribute name
- name_length length of name
- RETURN
- # Pointer to conflicting character
- 0 No conflicting character
- */
- static const char *require_quotes(const char *name, uint name_length)
- {
- uint length;
- const char *end= name + name_length;
- for ( ; name < end ; name++)
- {
- uchar chr= (uchar) *name;
- length= my_mbcharlen(system_charset_info, chr);
- if (length == 1 && !system_charset_info->ident_map[chr])
- return name;
- }
- return 0;
- }
- void
- append_identifier(THD *thd, String *packet, const char *name, uint length)
- {
- const char *name_end;
- char quote_char;
- int q= get_quote_char_for_identifier(thd, name, length);
- if (q == EOF)
- {
- packet->append(name, length, system_charset_info);
- return;
- }
- /*
- The identifier must be quoted as it includes a quote character or
- it's a keyword
- */
- packet->reserve(length*2 + 2);
- quote_char= (char) q;
- packet->append("e_char, 1, system_charset_info);
- for (name_end= name+length ; name < name_end ; name+= length)
- {
- uchar chr= (uchar) *name;
- length= my_mbcharlen(system_charset_info, chr);
- /*
- my_mbcharlen can retur 0 on a wrong multibyte
- sequence. It is possible when upgrading from 4.0,
- and identifier contains some accented characters.
- The manual says it does not work. So we'll just
- change length to 1 not to hang in the endless loop.
- */
- if (!length)
- length= 1;
- if (length == 1 && chr == (uchar) quote_char)
- packet->append("e_char, 1, system_charset_info);
- packet->append(name, length, packet->charset());
- }
- packet->append("e_char, 1, system_charset_info);
- }
- /*
- Get the quote character for displaying an identifier.
- SYNOPSIS
- get_quote_char_for_identifier()
- thd Thread handler
- name name to quote
- length length of name
- IMPLEMENTATION
- If name is a keyword or includes a special character, then force
- quoting.
- Otherwise identifier is quoted only if the option OPTION_QUOTE_SHOW_CREATE
- is set.
- RETURN
- EOF No quote character is needed
- # Quote character
- */
- int get_quote_char_for_identifier(THD *thd, const char *name, uint length)
- {
- if (!is_keyword(name,length) &&
- !require_quotes(name, length) &&
- !(thd->options & OPTION_QUOTE_SHOW_CREATE))
- return EOF;
- if (thd->variables.sql_mode & MODE_ANSI_QUOTES)
- return '"';
- return '`';
- }
- /* Append directory name (if exists) to CREATE INFO */
- static void append_directory(THD *thd, String *packet, const char *dir_type,
- const char *filename)
- {
- if (filename && !(thd->variables.sql_mode & MODE_NO_DIR_IN_CREATE))
- {
- uint length= dirname_length(filename);
- packet->append(' ');
- packet->append(dir_type);
- packet->append(" DIRECTORY='", 12);
- #ifdef __WIN__
- char *winfilename = thd->memdup(filename, length);
- for (uint i=0; i < length; i++)
- if (winfilename[i] == '\')
- winfilename[i] = '/';
- packet->append(winfilename, length);
- #else
- packet->append(filename, length);
- #endif
- packet->append(''');
- }
- }
- #define LIST_PROCESS_HOST_LEN 64
- static int
- store_create_info(THD *thd, TABLE *table, String *packet)
- {
- List<Item> field_list;
- char tmp[MAX_FIELD_WIDTH], *for_str, buff[128], *end, *alias;
- String type(tmp, sizeof(tmp), system_charset_info);
- Field **ptr,*field;
- uint primary_key;
- KEY *key_info;
- handler *file= table->file;
- HA_CREATE_INFO create_info;
- my_bool foreign_db_mode= (thd->variables.sql_mode & (MODE_POSTGRESQL |
- MODE_ORACLE |
- MODE_MSSQL |
- MODE_DB2 |
- MODE_MAXDB |
- MODE_ANSI)) != 0;
- my_bool limited_mysql_mode= (thd->variables.sql_mode &
- (MODE_NO_FIELD_OPTIONS | MODE_MYSQL323 |
- MODE_MYSQL40)) != 0;
- DBUG_ENTER("store_create_info");
- DBUG_PRINT("enter",("table: %s",table->real_name));
- restore_record(table,default_values); // Get empty record
- if (table->tmp_table)
- packet->append("CREATE TEMPORARY TABLE ", 23);
- else
- packet->append("CREATE TABLE ", 13);
- alias= (lower_case_table_names == 2 ? table->table_name :
- table->real_name);
- append_identifier(thd, packet, alias, strlen(alias));
- packet->append(" (n", 3);
- for (ptr=table->field ; (field= *ptr); ptr++)
- {
- bool has_default;
- bool has_now_default;
- uint flags = field->flags;
- if (ptr != table->field)
- packet->append(",n", 2);
- packet->append(" ", 2);
- append_identifier(thd,packet,field->field_name, strlen(field->field_name));
- packet->append(' ');
- // check for surprises from the previous call to Field::sql_type()
- if (type.ptr() != tmp)
- type.set(tmp, sizeof(tmp), system_charset_info);
- else
- type.set_charset(system_charset_info);
- field->sql_type(type);
- packet->append(type.ptr(), type.length(), system_charset_info);
- if (field->has_charset() &&
- !(thd->variables.sql_mode & (MODE_MYSQL323 | MODE_MYSQL40)))
- {
- if (field->charset() != table->table_charset)
- {
- packet->append(" character set ", 15);
- packet->append(field->charset()->csname);
- }
- /*
- For string types dump collation name only if
- collation is not primary for the given charset
- */
- if (!(field->charset()->state & MY_CS_PRIMARY))
- {
- packet->append(" collate ", 9);
- packet->append(field->charset()->name);
- }
- }
- if (flags & NOT_NULL_FLAG)
- packet->append(" NOT NULL", 9);
- else if (field->type() == FIELD_TYPE_TIMESTAMP)
- {
- /*
- TIMESTAMP field require explicit NULL flag, because unlike
- all other fields they are treated as NOT NULL by default.
- */
- packet->append(" NULL", 5);
- }
- /*
- Again we are using CURRENT_TIMESTAMP instead of NOW because it is
- more standard
- */
- has_now_default= table->timestamp_field == field &&
- field->unireg_check != Field::TIMESTAMP_UN_FIELD;
-
- has_default= (field->type() != FIELD_TYPE_BLOB &&
- field->unireg_check != Field::NEXT_NUMBER &&
- !((thd->variables.sql_mode & (MODE_MYSQL323 | MODE_MYSQL40)) &&
- has_now_default));
- if (has_default)
- {
- packet->append(" default ", 9);
- if (has_now_default)
- packet->append("CURRENT_TIMESTAMP",17);
- else if (!field->is_null())
- { // Not null by default
- type.set(tmp, sizeof(tmp), field->charset());
- field->val_str(&type);
- if (type.length())
- {
- String def_val;
- uint dummy_errors;
- /* convert to system_charset_info == utf8 */
- def_val.copy(type.ptr(), type.length(), field->charset(),
- system_charset_info, &dummy_errors);
- append_unescaped(packet, def_val.ptr(), def_val.length());
- }
- else
- packet->append("''",2);
- }
- else if (field->maybe_null())
- packet->append("NULL", 4); // Null as default
- else
- packet->append(tmp);
- }
- if (!(thd->variables.sql_mode & MODE_NO_FIELD_OPTIONS) &&
- table->timestamp_field == field &&
- field->unireg_check != Field::TIMESTAMP_DN_FIELD)
- packet->append(" on update CURRENT_TIMESTAMP",28);
- if (field->unireg_check == Field::NEXT_NUMBER &&
- !(thd->variables.sql_mode & MODE_NO_FIELD_OPTIONS))
- packet->append(" auto_increment", 15 );
- if (field->comment.length)
- {
- packet->append(" COMMENT ",9);
- append_unescaped(packet, field->comment.str, field->comment.length);
- }
- }
- key_info= table->key_info;
- file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK | HA_STATUS_TIME);
- bzero((char*) &create_info, sizeof(create_info));
- file->update_create_info(&create_info);
- primary_key= table->primary_key;
- for (uint i=0 ; i < table->keys ; i++,key_info++)
- {
- KEY_PART_INFO *key_part= key_info->key_part;
- bool found_primary=0;
- packet->append(",n ", 4);
- if (i == primary_key && !strcmp(key_info->name, primary_key_name))
- {
- found_primary=1;
- packet->append("PRIMARY ", 8);
- }
- else if (key_info->flags & HA_NOSAME)
- packet->append("UNIQUE ", 7);
- else if (key_info->flags & HA_FULLTEXT)
- packet->append("FULLTEXT ", 9);
- else if (key_info->flags & HA_SPATIAL)
- packet->append("SPATIAL ", 8);
- packet->append("KEY ", 4);
- if (!found_primary)
- append_identifier(thd, packet, key_info->name, strlen(key_info->name));
- if (!(thd->variables.sql_mode & MODE_NO_KEY_OPTIONS) &&
- !limited_mysql_mode && !foreign_db_mode)
- {
- if (key_info->algorithm == HA_KEY_ALG_BTREE)
- packet->append(" USING BTREE", 12);
-
- if (key_info->algorithm == HA_KEY_ALG_HASH)
- packet->append(" USING HASH", 11);
-
- // +BAR: send USING only in non-default case: non-spatial rtree
- if ((key_info->algorithm == HA_KEY_ALG_RTREE) &&
- !(key_info->flags & HA_SPATIAL))
- packet->append(" USING RTREE", 12);
- // No need to send TYPE FULLTEXT, it is sent as FULLTEXT KEY
- }
- packet->append(" (", 2);
- for (uint j=0 ; j < key_info->key_parts ; j++,key_part++)
- {
- if (j)
- packet->append(',');
- if (key_part->field)
- append_identifier(thd,packet,key_part->field->field_name,
- strlen(key_part->field->field_name));
- if (!key_part->field ||
- (key_part->length !=
- table->field[key_part->fieldnr-1]->key_length() &&
- !(key_info->flags & HA_FULLTEXT)))
- {
- buff[0] = '(';
- char* end=int10_to_str((long) key_part->length /
- key_part->field->charset()->mbmaxlen,
- buff + 1,10);
- *end++ = ')';
- packet->append(buff,(uint) (end-buff));
- }
- }
- packet->append(')');
- }
- /*
- Get possible foreign key definitions stored in InnoDB and append them
- to the CREATE TABLE statement
- */
- if ((for_str= file->get_foreign_key_create_info()))
- {
- packet->append(for_str, strlen(for_str));
- file->free_foreign_key_create_info(for_str);
- }
- packet->append("n)", 2);
- if (!(thd->variables.sql_mode & MODE_NO_TABLE_OPTIONS) && !foreign_db_mode)
- {
- if (thd->variables.sql_mode & (MODE_MYSQL323 | MODE_MYSQL40))
- packet->append(" TYPE=", 6);
- else
- packet->append(" ENGINE=", 8);
- packet->append(file->table_type());
-
- if (table->table_charset &&
- !(thd->variables.sql_mode & MODE_MYSQL323) &&
- !(thd->variables.sql_mode & MODE_MYSQL40))
- {
- packet->append(" DEFAULT CHARSET=", 17);
- packet->append(table->table_charset->csname);
- if (!(table->table_charset->state & MY_CS_PRIMARY))
- {
- packet->append(" COLLATE=", 9);
- packet->append(table->table_charset->name);
- }
- }
- if (table->min_rows)
- {
- packet->append(" MIN_ROWS=", 10);
- end= longlong10_to_str(table->min_rows, buff, 10);
- packet->append(buff, (uint) (end- buff));
- }
- if (table->max_rows)
- {
- packet->append(" MAX_ROWS=", 10);
- end= longlong10_to_str(table->max_rows, buff, 10);
- packet->append(buff, (uint) (end - buff));
- }
- if (table->avg_row_length)
- {
- packet->append(" AVG_ROW_LENGTH=", 16);
- end= longlong10_to_str(table->avg_row_length, buff,10);
- packet->append(buff, (uint) (end - buff));
- }
- if (table->db_create_options & HA_OPTION_PACK_KEYS)
- packet->append(" PACK_KEYS=1", 12);
- if (table->db_create_options & HA_OPTION_NO_PACK_KEYS)
- packet->append(" PACK_KEYS=0", 12);
- if (table->db_create_options & HA_OPTION_CHECKSUM)
- packet->append(" CHECKSUM=1", 11);
- if (table->db_create_options & HA_OPTION_DELAY_KEY_WRITE)
- packet->append(" DELAY_KEY_WRITE=1",18);
- if (table->row_type != ROW_TYPE_DEFAULT)
- {
- packet->append(" ROW_FORMAT=",12);
- packet->append(ha_row_type[(uint) table->row_type]);
- }
- table->file->append_create_info(packet);
- if (table->comment && table->comment[0])
- {
- packet->append(" COMMENT=", 9);
- append_unescaped(packet, table->comment, strlen(table->comment));
- }
- if (file->raid_type)
- {
- uint length;
- length= my_snprintf(buff,sizeof(buff),
- " RAID_TYPE=%s RAID_CHUNKS=%d RAID_CHUNKSIZE=%ld",
- my_raid_type(file->raid_type), file->raid_chunks,
- file->raid_chunksize/RAID_BLOCK_SIZE);
- packet->append(buff, length);
- }
- append_directory(thd, packet, "DATA", create_info.data_file_name);
- append_directory(thd, packet, "INDEX", create_info.index_file_name);
- }
- DBUG_RETURN(0);
- }
- /****************************************************************************
- Return info about all processes
- returns for each thread: thread id, user, host, db, command, info
- ****************************************************************************/
- class thread_info :public ilink {
- public:
- static void *operator new(size_t size) {return (void*) sql_alloc((uint) size); }
- static void operator delete(void *ptr __attribute__((unused)),
- size_t size __attribute__((unused))) {} /*lint -e715 */
- ulong thread_id;
- time_t start_time;
- uint command;
- const char *user,*host,*db,*proc_info,*state_info;
- char *query;
- };
- #ifdef __GNUC__
- template class I_List<thread_info>;
- #endif
- void mysqld_list_processes(THD *thd,const char *user, bool verbose)
- {
- Item *field;
- List<Item> field_list;
- I_List<thread_info> thread_infos;
- ulong max_query_length= (verbose ? thd->variables.max_allowed_packet :
- PROCESS_LIST_WIDTH);
- Protocol *protocol= thd->protocol;
- DBUG_ENTER("mysqld_list_processes");
- field_list.push_back(new Item_int("Id",0,11));
- field_list.push_back(new Item_empty_string("User",16));
- field_list.push_back(new Item_empty_string("Host",LIST_PROCESS_HOST_LEN));
- field_list.push_back(field=new Item_empty_string("db",NAME_LEN));
- field->maybe_null=1;
- field_list.push_back(new Item_empty_string("Command",16));
- field_list.push_back(new Item_return_int("Time",7, FIELD_TYPE_LONG));
- field_list.push_back(field=new Item_empty_string("State",30));
- field->maybe_null=1;
- field_list.push_back(field=new Item_empty_string("Info",max_query_length));
- field->maybe_null=1;
- if (protocol->send_fields(&field_list,1))
- DBUG_VOID_RETURN;
- VOID(pthread_mutex_lock(&LOCK_thread_count)); // For unlink from list
- if (!thd->killed)
- {
- I_List_iterator<THD> it(threads);
- THD *tmp;
- while ((tmp=it++))
- {
- struct st_my_thread_var *mysys_var;
- if ((tmp->vio_ok() || tmp->system_thread) &&
- (!user || (tmp->user && !strcmp(tmp->user,user))))
- {
- thread_info *thd_info=new thread_info;
- thd_info->thread_id=tmp->thread_id;
- thd_info->user=thd->strdup(tmp->user ? tmp->user :
- (tmp->system_thread ?
- "system user" : "unauthenticated user"));
- if (tmp->peer_port && (tmp->host || tmp->ip) && thd->host_or_ip[0])
- {
- if ((thd_info->host= thd->alloc(LIST_PROCESS_HOST_LEN+1)))
- my_snprintf((char *) thd_info->host, LIST_PROCESS_HOST_LEN,
- "%s:%u", tmp->host_or_ip, tmp->peer_port);
- }
- else
- thd_info->host= thd->strdup(tmp->host_or_ip);
- if ((thd_info->db=tmp->db)) // Safe test
- thd_info->db=thd->strdup(thd_info->db);
- thd_info->command=(int) tmp->command;
- if ((mysys_var= tmp->mysys_var))
- pthread_mutex_lock(&mysys_var->mutex);
- thd_info->proc_info= (char*) (tmp->killed ? "Killed" : 0);
- #ifndef EMBEDDED_LIBRARY
- thd_info->state_info= (char*) (tmp->locked ? "Locked" :
- tmp->net.reading_or_writing ?
- (tmp->net.reading_or_writing == 2 ?
- "Writing to net" :
- thd_info->command == COM_SLEEP ? "" :
- "Reading from net") :
- tmp->proc_info ? tmp->proc_info :
- tmp->mysys_var &&
- tmp->mysys_var->current_cond ?
- "Waiting on cond" : NullS);
- #else
- thd_info->state_info= (char*)"Writing to net";
- #endif
- if (mysys_var)
- pthread_mutex_unlock(&mysys_var->mutex);
- #if !defined(DONT_USE_THR_ALARM) && ! defined(SCO)
- if (pthread_kill(tmp->real_id,0))
- tmp->proc_info="*** DEAD ***"; // This shouldn't happen
- #endif
- #ifdef EXTRA_DEBUG
- thd_info->start_time= tmp->time_after_lock;
- #else
- thd_info->start_time= tmp->start_time;
- #endif
- thd_info->query=0;
- if (tmp->query)
- {
- /*
- query_length is always set to 0 when we set query = NULL; see
- the comment in sql_class.h why this prevents crashes in possible
- races with query_length
- */
- uint length= min(max_query_length, tmp->query_length);
- thd_info->query=(char*) thd->strmake(tmp->query,length);
- }
- thread_infos.append(thd_info);
- }
- }
- }
- VOID(pthread_mutex_unlock(&LOCK_thread_count));
- thread_info *thd_info;
- time_t now= time(0);
- while ((thd_info=thread_infos.get()))
- {
- protocol->prepare_for_resend();
- protocol->store((ulonglong) thd_info->thread_id);
- protocol->store(thd_info->user, system_charset_info);
- protocol->store(thd_info->host, system_charset_info);
- protocol->store(thd_info->db, system_charset_info);
- if (thd_info->proc_info)
- protocol->store(thd_info->proc_info, system_charset_info);
- else
- protocol->store(command_name[thd_info->command], system_charset_info);
- if (thd_info->start_time)
- protocol->store((uint32) (now - thd_info->start_time));
- else
- protocol->store_null();
- protocol->store(thd_info->state_info, system_charset_info);
- protocol->store(thd_info->query, system_charset_info);
- if (protocol->write())
- break; /* purecov: inspected */
- }
- send_eof(thd);
- DBUG_VOID_RETURN;
- }
- /*****************************************************************************
- Status functions
- *****************************************************************************/
- static bool write_collation(Protocol *protocol, CHARSET_INFO *cs)
- {
- protocol->prepare_for_resend();
- protocol->store(cs->name, system_charset_info);
- protocol->store(cs->csname, system_charset_info);
- protocol->store_short((longlong) cs->number);
- protocol->store((cs->state & MY_CS_PRIMARY) ? "Yes" : "",system_charset_info);
- protocol->store((cs->state & MY_CS_COMPILED)? "Yes" : "",system_charset_info);
- protocol->store_short((longlong) cs->strxfrm_multiply);
- return protocol->write();
- }
- int mysqld_show_collations(THD *thd, const char *wild)
- {
- char buff[8192];
- String packet2(buff,sizeof(buff),thd->charset());
- List<Item> field_list;
- CHARSET_INFO **cs;
- Protocol *protocol= thd->protocol;
- DBUG_ENTER("mysqld_show_charsets");
- field_list.push_back(new Item_empty_string("Collation",30));
- field_list.push_back(new Item_empty_string("Charset",30));
- field_list.push_back(new Item_return_int("Id",11, FIELD_TYPE_SHORT));
- field_list.push_back(new Item_empty_string("Default",30));
- field_list.push_back(new Item_empty_string("Compiled",30));
- field_list.push_back(new Item_return_int("Sortlen",3, FIELD_TYPE_SHORT));
- if (protocol->send_fields(&field_list, 1))
- DBUG_RETURN(1);
- for ( cs= all_charsets ; cs < all_charsets+255 ; cs++ )
- {
- CHARSET_INFO **cl;
- if (!cs[0] || !(cs[0]->state & MY_CS_AVAILABLE) ||
- !(cs[0]->state & MY_CS_PRIMARY))
- continue;
- for ( cl= all_charsets; cl < all_charsets+255 ;cl ++)
- {
- if (!cl[0] || !(cl[0]->state & MY_CS_AVAILABLE) ||
- !my_charset_same(cs[0],cl[0]))
- continue;
- if (!(wild && wild[0] &&
- wild_case_compare(system_charset_info,cl[0]->name,wild)))
- {
- if (write_collation(protocol, cl[0]))
- goto err;
- }
- }
- }
- send_eof(thd);
- DBUG_RETURN(0);
- err:
- DBUG_RETURN(1);
- }
- static bool write_charset(Protocol *protocol, CHARSET_INFO *cs)
- {
- protocol->prepare_for_resend();
- protocol->store(cs->csname, system_charset_info);
- protocol->store(cs->comment ? cs->comment : "", system_charset_info);
- protocol->store(cs->name, system_charset_info);
- protocol->store_short((longlong) cs->mbmaxlen);
- return protocol->write();
- }
- int mysqld_show_charsets(THD *thd, const char *wild)
- {
- char buff[8192];
- String packet2(buff,sizeof(buff),thd->charset());
- List<Item> field_list;
- CHARSET_INFO **cs;
- Protocol *protocol= thd->protocol;
- DBUG_ENTER("mysqld_show_charsets");
- field_list.push_back(new Item_empty_string("Charset",30));
- field_list.push_back(new Item_empty_string("Description",60));
- field_list.push_back(new Item_empty_string("Default collation",60));
- field_list.push_back(new Item_return_int("Maxlen",3, FIELD_TYPE_SHORT));
- if (protocol->send_fields(&field_list, 1))
- DBUG_RETURN(1);
- for ( cs= all_charsets ; cs < all_charsets+255 ; cs++ )
- {
- if (cs[0] && (cs[0]->state & MY_CS_PRIMARY) &&
- (cs[0]->state & MY_CS_AVAILABLE) &&
- !(wild && wild[0] &&
- wild_case_compare(system_charset_info,cs[0]->csname,wild)))
- {
- if (write_charset(protocol, cs[0]))
- goto err;
- }
- }
- send_eof(thd);
- DBUG_RETURN(0);
- err:
- DBUG_RETURN(1);
- }
-
- int mysqld_show(THD *thd, const char *wild, show_var_st *variables,
- enum enum_var_type value_type,
- pthread_mutex_t *mutex)
- {
- char buff[1024];
- List<Item> field_list;
- Protocol *protocol= thd->protocol;
- LEX_STRING null_lex_str;
- DBUG_ENTER("mysqld_show");
- field_list.push_back(new Item_empty_string("Variable_name",30));
- field_list.push_back(new Item_empty_string("Value",256));
- if (protocol->send_fields(&field_list,1))
- DBUG_RETURN(1); /* purecov: inspected */
- null_lex_str.str= 0; // For sys_var->value_ptr()
- null_lex_str.length= 0;
- pthread_mutex_lock(mutex);
- for (; variables->name; variables++)
- {
- if (!(wild && wild[0] && wild_case_compare(system_charset_info,
- variables->name,wild)))
- {
- protocol->prepare_for_resend();
- protocol->store(variables->name, system_charset_info);
- SHOW_TYPE show_type=variables->type;
- char *value=variables->value;
- const char *pos, *end;
- long nr;
- if (show_type == SHOW_SYS)
- {
- show_type= ((sys_var*) value)->type();
- value= (char*) ((sys_var*) value)->value_ptr(thd, value_type,
- &null_lex_str);
- }
- pos= end= buff;
- switch (show_type) {
- case SHOW_LONG:
- case SHOW_LONG_CONST:
- end= int10_to_str(*(long*) value, buff, 10);
- break;
- case SHOW_LONGLONG:
- end= longlong10_to_str(*(longlong*) value, buff, 10);
- break;
- case SHOW_HA_ROWS:
- end= longlong10_to_str((longlong) *(ha_rows*) value, buff, 10);
- break;
- case SHOW_BOOL:
- end= strmov(buff, *(bool*) value ? "ON" : "OFF");
- break;
- case SHOW_MY_BOOL:
- end= strmov(buff, *(my_bool*) value ? "ON" : "OFF");
- break;
- case SHOW_INT_CONST:
- case SHOW_INT:
- end= int10_to_str((long) *(uint32*) value, buff, 10);
- break;
- case SHOW_HAVE:
- {
- SHOW_COMP_OPTION tmp= *(SHOW_COMP_OPTION*) value;
- pos= show_comp_option_name[(int) tmp];
- end= strend(pos);
- break;
- }
- case SHOW_CHAR:
- {
- if (!(pos= value))
- pos= "";
- end= strend(pos);
- break;
- }
- case SHOW_STARTTIME:
- nr= (long) (thd->query_start() - start_time);
- end= int10_to_str(nr, buff, 10);
- break;
- case SHOW_QUESTION:
- end= int10_to_str((long) thd->query_id, buff, 10);
- break;
- #ifdef HAVE_REPLICATION
- case SHOW_RPL_STATUS:
- end= strmov(buff, rpl_status_type[(int)rpl_status]);
- break;
- case SHOW_SLAVE_RUNNING:
- {
- pthread_mutex_lock(&LOCK_active_mi);
- end= strmov(buff, (active_mi && active_mi->slave_running &&
- active_mi->rli.slave_running) ? "ON" : "OFF");
- pthread_mutex_unlock(&LOCK_active_mi);
- break;
- }
- case SHOW_SLAVE_RETRIED_TRANS:
- {
- /*
- TODO: in 5.1 with multimaster, have one such counter per line in SHOW
- SLAVE STATUS, and have the sum over all lines here.
- */
- pthread_mutex_lock(&LOCK_active_mi);
- if (active_mi)
- {
- pthread_mutex_lock(&active_mi->rli.data_lock);
- end= int10_to_str(active_mi->rli.retried_trans, buff, 10);
- pthread_mutex_unlock(&active_mi->rli.data_lock);
- }
- pthread_mutex_unlock(&LOCK_active_mi);
- break;
- }
- #endif /* HAVE_REPLICATION */
- case SHOW_OPENTABLES:
- end= int10_to_str((long) cached_tables(), buff, 10);
- break;
- case SHOW_CHAR_PTR:
- {
- if (!(pos= *(char**) value))
- pos= "";
- end= strend(pos);
- break;
- }
- #ifdef HAVE_OPENSSL
- /* First group - functions relying on CTX */
- case SHOW_SSL_CTX_SESS_ACCEPT:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_accept(ssl_acceptor_fd->
- ssl_context)),
- buff, 10);
- break;
- case SHOW_SSL_CTX_SESS_ACCEPT_GOOD:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_accept_good(ssl_acceptor_fd->
- ssl_context)),
- buff, 10);
- break;
- case SHOW_SSL_CTX_SESS_CONNECT_GOOD:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_connect_good(ssl_acceptor_fd->
- ssl_context)),
- buff, 10);
- break;
- case SHOW_SSL_CTX_SESS_ACCEPT_RENEGOTIATE:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_accept_renegotiate(ssl_acceptor_fd->ssl_context)),
- buff, 10);
- break;
- case SHOW_SSL_CTX_SESS_CONNECT_RENEGOTIATE:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_connect_renegotiate(ssl_acceptor_fd-> ssl_context)),
- buff, 10);
- break;
- case SHOW_SSL_CTX_SESS_CB_HITS:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_cb_hits(ssl_acceptor_fd->
- ssl_context)),
- buff, 10);
- break;
- case SHOW_SSL_CTX_SESS_HITS:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_hits(ssl_acceptor_fd->
- ssl_context)),
- buff, 10);
- break;
- case SHOW_SSL_CTX_SESS_CACHE_FULL:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_cache_full(ssl_acceptor_fd->
- ssl_context)),
- buff, 10);
- break;
- case SHOW_SSL_CTX_SESS_MISSES:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_misses(ssl_acceptor_fd->
- ssl_context)),
- buff, 10);
- break;
- case SHOW_SSL_CTX_SESS_TIMEOUTS:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_timeouts(ssl_acceptor_fd->ssl_context)),
- buff,10);
- break;
- case SHOW_SSL_CTX_SESS_NUMBER:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_number(ssl_acceptor_fd->ssl_context)),
- buff,10);
- break;
- case SHOW_SSL_CTX_SESS_CONNECT:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_connect(ssl_acceptor_fd->ssl_context)),
- buff,10);
- break;
- case SHOW_SSL_CTX_SESS_GET_CACHE_SIZE:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_sess_get_cache_size(ssl_acceptor_fd->ssl_context)),
- buff,10);
- break;
- case SHOW_SSL_CTX_GET_VERIFY_MODE:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_get_verify_mode(ssl_acceptor_fd->ssl_context)),
- buff,10);
- break;
- case SHOW_SSL_CTX_GET_VERIFY_DEPTH:
- end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
- SSL_CTX_get_verify_depth(ssl_acceptor_fd->ssl_context)),
- buff,10);
- break;
- case SHOW_SSL_CTX_GET_SESSION_CACHE_MODE:
- if (!ssl_acceptor_fd)
- {
- pos= "NONE";
- end= pos+4;
- break;
- }
- switch (SSL_CTX_get_session_cache_mode(ssl_acceptor_fd->ssl_context))
- {
- case SSL_SESS_CACHE_OFF:
- pos= "OFF";
- break;
- case SSL_SESS_CACHE_CLIENT:
- pos= "CLIENT";
- break;
- case SSL_SESS_CACHE_SERVER:
- pos= "SERVER";
- break;
- case SSL_SESS_CACHE_BOTH:
- pos= "BOTH";
- break;
- case SSL_SESS_CACHE_NO_AUTO_CLEAR:
- pos= "NO_AUTO_CLEAR";
- break;
- case SSL_SESS_CACHE_NO_INTERNAL_LOOKUP:
- pos= "NO_INTERNAL_LOOKUP";
- break;
- default:
- pos= "Unknown";
- break;
- }
- end= strend(pos);
- break;
- /* First group - functions relying on SSL */
- case SHOW_SSL_GET_VERSION:
- pos= (thd->net.vio->ssl_arg ?
- SSL_get_version((SSL*) thd->net.vio->ssl_arg) : "");
- end= strend(pos);
- break;
- case SHOW_SSL_SESSION_REUSED:
- end= int10_to_str((long) (thd->net.vio->ssl_arg ?
- SSL_session_reused((SSL*) thd->net.vio->
- ssl_arg) :
- 0),
- buff, 10);
- break;
- case SHOW_SSL_GET_DEFAULT_TIMEOUT:
- end= int10_to_str((long) (thd->net.vio->ssl_arg ?
- SSL_get_default_timeout((SSL*) thd->net.vio->
- ssl_arg) :
- 0),
- buff, 10);
- break;
- case SHOW_SSL_GET_VERIFY_MODE:
- end= int10_to_str((long) (thd->net.vio->ssl_arg ?
- SSL_get_verify_mode((SSL*) thd->net.vio->
- ssl_arg):
- 0),
- buff, 10);
- break;
- case SHOW_SSL_GET_VERIFY_DEPTH:
- end= int10_to_str((long) (thd->net.vio->ssl_arg ?
- SSL_get_verify_depth((SSL*) thd->net.vio->
- ssl_arg):
- 0),
- buff, 10);
- break;
- case SHOW_SSL_GET_CIPHER:
- pos= (thd->net.vio->ssl_arg ?
- SSL_get_cipher((SSL*) thd->net.vio->ssl_arg) : "" );
- end= strend(pos);
- break;
- case SHOW_SSL_GET_CIPHER_LIST:
- if (thd->net.vio->ssl_arg)
- {
- char *to= buff;
- for (int i=0 ; i++ ;)
- {
- const char *p= SSL_get_cipher_list((SSL*) thd->net.vio->ssl_arg,i);
- if (p == NULL)
- break;
- to= strmov(to, p);
- *to++= ':';
- }
- if (to != buff)
- to--; // Remove last ':'
- end= to;
- }
- break;
- #endif /* HAVE_OPENSSL */
- case SHOW_KEY_CACHE_LONG:
- case SHOW_KEY_CACHE_CONST_LONG:
- value= (value-(char*) &dflt_key_cache_var)+ (char*) dflt_key_cache;
- end= int10_to_str(*(long*) value, buff, 10);
- break;
- case SHOW_KEY_CACHE_LONGLONG:
- value= (value-(char*) &dflt_key_cache_var)+ (char*) dflt_key_cache;
- end= longlong10_to_str(*(longlong*) value, buff, 10);
- break;
- case SHOW_UNDEF: // Show never happen
- case SHOW_SYS:
- break; // Return empty string
- default:
- break;
- }
- if (protocol->store(pos, (uint32) (end - pos), system_charset_info) ||
- protocol->write())
- goto err; /* purecov: inspected */
- }
- }
- pthread_mutex_unlock(mutex);
- send_eof(thd);
- DBUG_RETURN(0);
- err:
- pthread_mutex_unlock(mutex);
- DBUG_RETURN(1);
- }
- #ifdef __GNUC__
- template class List_iterator_fast<char>;
- template class List<char>;
- #endif