/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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 "sql_acl.h" #include "repl_failsafe.h" #include #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"}; static TYPELIB grant_types = { sizeof(grant_names)/sizeof(char **), "grant_types", grant_names}; static int mysql_find_files(THD *thd,List *files, const char *db, const char *path, const char *wild, bool dir); static int store_create_info(THD *thd, TABLE *table, String *packet); static void append_identifier(THD *thd, String *packet, const char *name); extern struct st_VioSSLAcceptorFd * ssl_acceptor_fd; /**************************************************************************** ** Send 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); List field_list; char *end; List files; char *file_name; 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 (send_fields(thd,field_list,1)) DBUG_RETURN(1); if (mysql_find_files(thd,&files,NullS,mysql_data_home,wild,1)) DBUG_RETURN(1); List_iterator_fast it(files); while ((file_name=it++)) { if (thd->master_access & (DB_ACLS | SHOW_DB_ACL) || acl_get(thd->host, thd->ip, (char*) &thd->remote.sin_addr, thd->priv_user, file_name) || (grant_option && !check_grant_db(thd, file_name))) { thd->packet.length(0); net_store_data(&thd->packet, thd->variables.convert_set, file_name); if (my_net_write(&thd->net, (char*) thd->packet.ptr(), thd->packet.length())) DBUG_RETURN(-1); } } send_eof(&thd->net); DBUG_RETURN(0); } /*************************************************************************** ** List all open tables in a database ***************************************************************************/ int mysqld_show_open_tables(THD *thd,const char *wild) { List field_list; OPEN_TABLE_LIST *open_list; CONVERT *convert=thd->variables.convert_set; 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_int("In_use",0, 4)); field_list.push_back(new Item_int("Name_locked",0, 4)); if (send_fields(thd,field_list,1)) DBUG_RETURN(1); if (!(open_list=list_open_tables(thd,wild)) && thd->fatal_error) DBUG_RETURN(-1); for (; open_list ; open_list=open_list->next) { thd->packet.length(0); net_store_data(&thd->packet,convert, open_list->db); net_store_data(&thd->packet,convert, open_list->table); net_store_data(&thd->packet,open_list->in_use); net_store_data(&thd->packet,open_list->locked); if (my_net_write(&thd->net,(char*) thd->packet.ptr(),thd->packet.length())) { DBUG_RETURN(-1); } } send_eof(&thd->net); 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); List field_list; char path[FN_LEN],*end; List files; char *file_name; 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 (send_fields(thd,field_list,1)) DBUG_RETURN(1); if (mysql_find_files(thd,&files,db,path,wild,0)) DBUG_RETURN(-1); List_iterator_fast it(files); while ((file_name=it++)) { thd->packet.length(0); net_store_data(&thd->packet, thd->variables.convert_set, file_name); if (my_net_write(&thd->net,(char*) thd->packet.ptr(),thd->packet.length())) DBUG_RETURN(-1); } send_eof(&thd->net); DBUG_RETURN(0); } static int mysql_find_files(THD *thd,List *files, const char *db,const char *path, const char *wild, bool dir) { uint i; char *ext; MY_DIR *dirp; FILEINFO *file; uint col_access=thd->col_access; 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; if (my_use_symdir && !strcmp(ext=fn_ext(file->name), ".sym")) { /* Only show the sym file if it points to a directory */ char buff[FN_REFLEN], *end; MY_STAT status; *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, &status, MYF(0)) || !MY_S_ISDIR(status.st_mode)) continue; } else #endif { if (file->name[0] == '.' || !MY_S_ISDIR(file->mystat->st_mode) || (wild && wild_compare(file->name,wild))) continue; } } else { // Return only .frm files which aren't temp files. if (my_strcasecmp(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(file->name,wild)) continue; } else if (wild_compare(file->name,wild)) continue; } } /* 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,1,1)) continue; } 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); 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 files; List field_list; char path[FN_LEN]; char *file_name; TABLE *table; String *packet= &thd->packet; CONVERT *convert=thd->variables.convert_set; 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)); item->maybe_null=1; field_list.push_back(item=new Item_empty_string("Type",10)); 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("Create_options",255)); item->maybe_null=1; field_list.push_back(item=new Item_empty_string("Comment",80)); item->maybe_null=1; if (send_fields(thd,field_list,1)) DBUG_RETURN(1); if (mysql_find_files(thd,&files,db,path,wild,0)) DBUG_RETURN(-1); List_iterator_fast it(files); while ((file_name=it++)) { TABLE_LIST table_list; bzero((char*) &table_list,sizeof(table_list)); packet->length(0); net_store_data(packet,convert, file_name); table_list.db=(char*) db; table_list.real_name= table_list.alias= file_name; if (lower_case_table_names) casedn_str(file_name); if (!(table = open_ltable(thd, &table_list, TL_READ))) { for (uint i=2 ; i < field_list.elements ; i++) net_store_null(packet); net_store_data(packet,convert, thd->net.last_error); thd->net.last_error[0]=0; } else { struct tm tm_tmp; handler *file=table->file; file->info(HA_STATUS_VARIABLE | HA_STATUS_TIME | HA_STATUS_NO_LOCK); net_store_data(packet, convert, file->table_type()); net_store_data(packet, convert, (table->db_options_in_use & HA_OPTION_COMPRESS_RECORD) ? "Compressed" : (table->db_options_in_use & HA_OPTION_PACK_RECORD) ? "Dynamic" : "Fixed"); net_store_data(packet, (longlong) file->records); net_store_data(packet, (uint32) file->mean_rec_length); net_store_data(packet, (longlong) file->data_file_length); if (file->max_data_file_length) net_store_data(packet, (longlong) file->max_data_file_length); else net_store_null(packet); net_store_data(packet, (longlong) file->index_file_length); net_store_data(packet, (longlong) 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(); net_store_data(packet, table->next_number_field->val_int()); table->next_number_field=0; } else net_store_null(packet); if (!file->create_time) net_store_null(packet); else { localtime_r(&file->create_time,&tm_tmp); net_store_data(packet, &tm_tmp); } if (!file->update_time) net_store_null(packet); else { localtime_r(&file->update_time,&tm_tmp); net_store_data(packet, &tm_tmp); } if (!file->check_time) net_store_null(packet); else { localtime_r(&file->check_time,&tm_tmp); net_store_data(packet, &tm_tmp); } { 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); } net_store_data(packet, convert, option_buff+1, (ptr == option_buff ? 0 : (uint) (ptr-option_buff)-1)); } { char *comment=table->file->update_table_comment(table->comment); net_store_data(packet, comment); if (comment != table->comment) my_free(comment,MYF(0)); } close_thread_tables(thd,0); } if (my_net_write(&thd->net,(char*) packet->ptr(), packet->length())) DBUG_RETURN(-1); } send_eof(&thd->net); DBUG_RETURN(0); } /*************************************************************************** ** 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]; Item *item; CONVERT *convert=thd->variables.convert_set; 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->net); DBUG_RETURN(1); } file=table->file; file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK); (void) get_table_grant(thd, table_list); List field_list; field_list.push_back(new Item_empty_string("Field",NAME_LEN)); field_list.push_back(new Item_empty_string("Type",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)); // Send first number of fields and records { char *pos; pos=net_store_length(tmp, (uint) field_list.elements); pos=net_store_length(pos,(ulonglong) file->records); (void) my_net_write(&thd->net,tmp,(uint) (pos-tmp)); } if (send_fields(thd,field_list,0)) DBUG_RETURN(1); restore_record(table,2); // Get empty record Field **ptr,*field; String *packet= &thd->packet; for (ptr=table->field; (field= *ptr) ; ptr++) { if (!wild || !wild[0] || !wild_case_compare(field->field_name,wild)) { { byte *pos; uint flags=field->flags; String type(tmp,sizeof(tmp)); uint col_access; bool null_default_value=0; packet->length(0); net_store_data(packet,convert,field->field_name); field->sql_type(type); net_store_data(packet,convert,type.ptr(),type.length()); /* Altough TIMESTAMP fields can't contain NULL as its value they will accept NULL if you will try to insert such value and will convert it to current TIMESTAMP. So YES here means that NULL is allowed for assignment but can't be returned. */ pos=(byte*) ((flags & NOT_NULL_FLAG) && field->type() != FIELD_TYPE_TIMESTAMP ? "" : "YES"); net_store_data(packet,convert,(const char*) pos); pos=(byte*) ((field->flags & PRI_KEY_FLAG) ? "PRI" : (field->flags & UNIQUE_KEY_FLAG) ? "UNI" : (field->flags & MULTIPLE_KEY_FLAG) ? "MUL":""); net_store_data(packet,convert,(char*) pos); /* We handle first TIMESTAMP column in special way because its default value is ignored and current timestamp used instead. */ if (table->timestamp_field == field || field->unireg_check == Field::NEXT_NUMBER) null_default_value=1; if (!null_default_value && !field->is_null()) { // Not null by default type.set(tmp,sizeof(tmp)); field->val_str(&type,&type); net_store_data(packet,convert,type.ptr(),type.length()); } else if (field->maybe_null() || null_default_value) net_store_null(packet); // Null as default else net_store_data(packet,convert,tmp,0); char *end=tmp; if (field->unireg_check == Field::NEXT_NUMBER) end=strmov(tmp,"auto_increment"); net_store_data(packet,convert,tmp,(uint) (end-tmp)); if (verbose) { /* Add grant options */ col_access= get_column_grant(thd,table_list,field) & COL_ACLS; end=tmp; for (uint bitnr=0; col_access ; col_access>>=1,bitnr++) { if (col_access & 1) { *end++=','; end=strmov(end,grant_types.type_names[bitnr]); } } net_store_data(packet,convert, tmp+1,end == tmp ? 0 : (uint) (end-tmp-1)); } if (my_net_write(&thd->net,(char*) packet->ptr(),packet->length())) DBUG_RETURN(1); } } } send_eof(&thd->net); DBUG_RETURN(0); } int mysqld_show_create(THD *thd, TABLE_LIST *table_list) { TABLE *table; CONVERT *convert=thd->variables.convert_set; 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->net); DBUG_RETURN(1); } char buff[1024]; String packet(buff,sizeof(buff)); packet.length(0); net_store_data(&packet,convert, table->table_name); /* A hack - we need to reserve some space for the length before we know what it is - let's assume that the length of create table statement will fit into 3 bytes ( 16 MB max :-) ) */ ulong store_len_offset = packet.length(); packet.length(store_len_offset + 4); if (store_create_info(thd, table, &packet)) DBUG_RETURN(-1); ulong create_len = packet.length() - store_len_offset - 4; if (create_len > 0x00ffffff) // better readable in HEX ... { /* Just in case somebody manages to create a table with *that* much stuff in the definition */ DBUG_RETURN(1); } /* Now we have to store the length in three bytes, even if it would fit into fewer bytes, so we cannot use net_store_data() anymore, and do it ourselves */ char* p = (char*)packet.ptr() + store_len_offset; *p++ = (char) 253; // The client the length is stored using 3-bytes int3store(p, create_len); List field_list; field_list.push_back(new Item_empty_string("Table",NAME_LEN)); field_list.push_back(new Item_empty_string("Create Table", max(packet.length(),1024))); // 1024 is for not to confuse old clients if (send_fields(thd,field_list,1)) DBUG_RETURN(1); if (my_net_write(&thd->net, (char*)packet.ptr(), packet.length())) DBUG_RETURN(1); send_eof(&thd->net); DBUG_RETURN(0); } int mysqld_show_logs(THD *thd) { DBUG_ENTER("mysqld_show_logs"); List field_list; 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 (send_fields(thd,field_list,1)) DBUG_RETURN(1); #ifdef HAVE_BERKELEY_DB if (!berkeley_skip && berkeley_show_logs(thd)) DBUG_RETURN(-1); #endif send_eof(&thd->net); DBUG_RETURN(0); } int mysqld_show_keys(THD *thd, TABLE_LIST *table_list) { TABLE *table; char buff[256]; CONVERT *convert=thd->variables.convert_set; 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->net); DBUG_RETURN(1); } List field_list; Item *item; field_list.push_back(new Item_empty_string("Table",NAME_LEN)); field_list.push_back(new Item_int("Non_unique",0,1)); field_list.push_back(new Item_empty_string("Key_name",NAME_LEN)); field_list.push_back(new Item_int("Seq_in_index",0,2)); 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_int("Sub_part",0,3)); 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 (send_fields(thd,field_list,1)) DBUG_RETURN(1); String *packet= &thd->packet; 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; char *end; for (uint j=0 ; j < key_info->key_parts ; j++,key_part++) { packet->length(0); net_store_data(packet,convert,table->table_name); net_store_data(packet,convert,((key_info->flags & HA_NOSAME) ? "0" :"1"), 1); net_store_data(packet,convert,key_info->name); end=int10_to_str((long) (j+1),(char*) buff,10); net_store_data(packet,convert,buff,(uint) (end-buff)); net_store_data(packet,convert, key_part->field ? key_part->field->field_name : "?unknown field?"); if (table->file->index_flags(i) & HA_READ_ORDER) net_store_data(packet,convert, ((key_part->key_part_flag & HA_REVERSE_SORT) ? "D" : "A"), 1); else net_store_null(packet); /* 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]); end=longlong10_to_str((longlong) records, buff, 10); net_store_data(packet,convert,buff,(uint) (end-buff)); } else net_store_null(packet); /* 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())) { end=int10_to_str((long) key_part->length, buff,10); /* purecov: inspected */ net_store_data(packet,convert,buff,(uint) (end-buff)); /* purecov: inspected */ } else net_store_null(packet); net_store_null(packet); // No pack_information yet /* Null flag */ uint flags= key_part->field ? key_part->field->flags : 0; char *pos=(char*) ((flags & NOT_NULL_FLAG) ? "" : "YES"); net_store_data(packet,convert,(const char*) pos); net_store_data(packet,convert,table->file->index_type(i)); /* Comment */ if (!(table->keys_in_use & ((key_map) 1 << i))) net_store_data(packet,convert,"disabled",8); else net_store_data(packet,convert,""); if (my_net_write(&thd->net,(char*) packet->ptr(),packet->length())) DBUG_RETURN(1); /* purecov: inspected */ } } send_eof(&thd->net); 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->net); DBUG_VOID_RETURN; } List field_list; Field **ptr,*field; for (ptr=table->field ; (field= *ptr); ptr++) { if (!wild || !wild[0] || !wild_case_compare(field->field_name,wild)) field_list.push_back(new Item_field(field)); } restore_record(table,2); // Get empty record if (send_fields(thd,field_list,2)) DBUG_VOID_RETURN; VOID(net_flush(&thd->net)); DBUG_VOID_RETURN; } int mysqld_dump_create_info(THD *thd, TABLE *table, int fd) { CONVERT *convert=thd->variables.convert_set; DBUG_ENTER("mysqld_dump_create_info"); DBUG_PRINT("enter",("table: %s",table->real_name)); String* packet = &thd->packet; packet->length(0); if (store_create_info(thd,table,packet)) DBUG_RETURN(-1); if (convert) convert->convert((char*) packet->ptr(), packet->length()); if (fd < 0) { if (my_net_write(&thd->net, (char*)packet->ptr(), packet->length())) DBUG_RETURN(-1); VOID(net_flush(&thd->net)); } else { if (my_write(fd, (const byte*) packet->ptr(), packet->length(), MYF(MY_WME))) DBUG_RETURN(-1); } DBUG_RETURN(0); } static void append_identifier(THD *thd, String *packet, const char *name) { if (thd->options & OPTION_QUOTE_SHOW_CREATE) { packet->append("`", 1); packet->append(name); packet->append("`", 1); } else { packet->append(name); } } /* Append directory name (if exists) to CREATE INFO */ static void append_directory(THD *thd, String *packet, const char *dir_type, const char *filename) { uint length; if (filename && !(thd->sql_mode & MODE_NO_DIR_IN_CREATE)) { length= dirname_length(filename); packet->append(' '); packet->append(dir_type); packet->append(" DIRECTORY='", 12); packet->append(filename, length); packet->append('\''); } } static int store_create_info(THD *thd, TABLE *table, String *packet) { List field_list; char tmp[MAX_FIELD_WIDTH], *for_str, buff[128], *end; String type(tmp, sizeof(tmp)); Field **ptr,*field; uint primary_key; KEY *key_info; handler *file= table->file; HA_CREATE_INFO create_info; DBUG_ENTER("store_create_info"); DBUG_PRINT("enter",("table: %s",table->real_name)); restore_record(table,2); // Get empty record if (table->tmp_table) packet->append("CREATE TEMPORARY TABLE ", 23); else packet->append("CREATE TABLE ", 13); append_identifier(thd,packet, (lower_case_table_names == 2 ? table->table_name : table->real_name)); packet->append(" (\n", 3); for (ptr=table->field ; (field= *ptr); ptr++) { bool has_default; uint flags = field->flags; if (ptr != table->field) packet->append(",\n", 2); packet->append(" ", 2); append_identifier(thd,packet,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)); field->sql_type(type); packet->append(type.ptr(),type.length()); has_default= (field->type() != FIELD_TYPE_BLOB && table->timestamp_field != field && field->unireg_check != Field::NEXT_NUMBER); if (flags & NOT_NULL_FLAG) packet->append(" NOT NULL", 9); if (has_default) { packet->append(" default ", 9); if (!field->is_null()) { // Not null by default type.set(tmp,sizeof(tmp)); field->val_str(&type,&type); packet->append('\''); if (type.length()) append_unescaped(packet, type.c_ptr()); packet->append('\''); } else if (field->maybe_null()) packet->append("NULL", 4); // Null as default else packet->append(tmp,0); } if (field->unireg_check == Field::NEXT_NUMBER) packet->append(" auto_increment", 15 ); } 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")) { 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); packet->append("KEY ", 4); if (!found_primary) append_identifier(thd,packet,key_info->name); 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); 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, 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); packet->append(" TYPE=", 6); packet->append(file->table_type()); if (table->min_rows) { packet->append(" MIN_ROWS="); end= longlong10_to_str(table->min_rows, buff, 10); packet->append(buff, (uint) (end- buff)); } if (table->max_rows) { packet->append(" MAX_ROWS="); 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="); 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='", 10); append_unescaped(packet, table->comment); packet->append('\''); } 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; #endif #define LIST_PROCESS_HOST_LEN 64 void mysqld_list_processes(THD *thd,const char *user, bool verbose) { Item *field; List field_list; I_List thread_infos; ulong max_query_length= (verbose ? thd->variables.max_allowed_packet : PROCESS_LIST_WIDTH); CONVERT *convert=thd->variables.convert_set; DBUG_ENTER("mysqld_list_processes"); field_list.push_back(new Item_int("Id",0,7)); 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_empty_string("Time",7)); 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 (send_fields(thd,field_list,1)) DBUG_VOID_RETURN; VOID(pthread_mutex_lock(&LOCK_thread_count)); // For unlink from list if (!thd->killed) { I_List_iterator it(threads); THD *tmp; while ((tmp=it++)) { struct st_my_thread_var *mysys_var; if ((tmp->net.vio || 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); 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); 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 before tmp->query */ uint length= min(max_query_length, tmp->query_length); thd_info->query=(char*) thd->memdup(tmp->query,length+1); thd_info->query[length]=0; } thread_infos.append(thd_info); } } } VOID(pthread_mutex_unlock(&LOCK_thread_count)); thread_info *thd_info; String *packet= &thd->packet; while ((thd_info=thread_infos.get())) { char buff[20],*end; packet->length(0); end=int10_to_str((long) thd_info->thread_id, buff,10); net_store_data(packet,convert,buff,(uint) (end-buff)); net_store_data(packet,convert,thd_info->user); net_store_data(packet,convert,thd_info->host); if (thd_info->db) net_store_data(packet,convert,thd_info->db); else net_store_null(packet); if (thd_info->proc_info) net_store_data(packet,convert,thd_info->proc_info); else net_store_data(packet,convert,command_name[thd_info->command]); if (thd_info->start_time) net_store_data(packet, (uint32) (time((time_t*) 0) - thd_info->start_time)); else net_store_null(packet); if (thd_info->state_info) net_store_data(packet,convert,thd_info->state_info); else net_store_null(packet); if (thd_info->query) net_store_data(packet,convert,thd_info->query); else net_store_null(packet); if (my_net_write(&thd->net,(char*) packet->ptr(),packet->length())) break; /* purecov: inspected */ } send_eof(&thd->net); DBUG_VOID_RETURN; } /***************************************************************************** ** Status functions *****************************************************************************/ int mysqld_show(THD *thd, const char *wild, show_var_st *variables, enum enum_var_type value_type, pthread_mutex_t *mutex) { char buff[8192]; String packet2(buff,sizeof(buff)); List field_list; CONVERT *convert=thd->variables.convert_set; 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 (send_fields(thd,field_list,1)) DBUG_RETURN(1); /* purecov: inspected */ pthread_mutex_lock(mutex); for (; variables->name; variables++) { if (!(wild && wild[0] && wild_case_compare(variables->name,wild))) { packet2.length(0); net_store_data(&packet2,convert,variables->name); SHOW_TYPE show_type=variables->type; char *value=variables->value; if (show_type == SHOW_SYS) { show_type= ((sys_var*) value)->type(); value= (char*) ((sys_var*) value)->value_ptr(thd, value_type); } switch (show_type) { case SHOW_LONG: case SHOW_LONG_CONST: net_store_data(&packet2,(uint32) *(ulong*) value); break; case SHOW_LONGLONG: net_store_data(&packet2,(longlong) *(longlong*) value); break; case SHOW_HA_ROWS: net_store_data(&packet2,(longlong) *(ha_rows*) value); break; case SHOW_BOOL: net_store_data(&packet2,(ulong) *(bool*) value ? "ON" : "OFF"); break; case SHOW_MY_BOOL: net_store_data(&packet2,(ulong) *(my_bool*) value ? "ON" : "OFF"); break; case SHOW_INT_CONST: case SHOW_INT: net_store_data(&packet2,(uint32) *(int*) value); break; case SHOW_HAVE: { SHOW_COMP_OPTION tmp= *(SHOW_COMP_OPTION*) value; net_store_data(&packet2, (tmp == SHOW_OPTION_NO ? "NO" : tmp == SHOW_OPTION_YES ? "YES" : "DISABLED")); break; } case SHOW_CHAR: net_store_data(&packet2,convert, value); break; case SHOW_STARTTIME: net_store_data(&packet2,(uint32) (thd->query_start() - start_time)); break; case SHOW_QUESTION: net_store_data(&packet2,(uint32) thd->query_id); break; case SHOW_RPL_STATUS: net_store_data(&packet2, rpl_status_type[(int)rpl_status]); break; #ifdef HAVE_REPLICATION case SHOW_SLAVE_RUNNING: { pthread_mutex_lock(&LOCK_active_mi); net_store_data(&packet2, (active_mi->slave_running && active_mi->rli.slave_running) ? "ON" : "OFF"); pthread_mutex_unlock(&LOCK_active_mi); break; } #endif case SHOW_OPENTABLES: net_store_data(&packet2,(uint32) cached_tables()); break; case SHOW_CHAR_PTR: { value= *(char**) value; net_store_data(&packet2,convert, value ? value : ""); break; } #ifdef HAVE_OPENSSL /* First group - functions relying on CTX */ case SHOW_SSL_CTX_SESS_ACCEPT: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_accept(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_SESS_ACCEPT_GOOD: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_accept_good(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_SESS_CONNECT_GOOD: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_connect_good(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_SESS_ACCEPT_RENEGOTIATE: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_accept_renegotiate(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_SESS_CONNECT_RENEGOTIATE: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_connect_renegotiate(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_SESS_CB_HITS: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_cb_hits(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_SESS_HITS: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_hits(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_SESS_CACHE_FULL: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_cache_full(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_SESS_MISSES: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_misses(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_SESS_TIMEOUTS: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_timeouts(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_SESS_NUMBER: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_number(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_SESS_CONNECT: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_connect(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_SESS_GET_CACHE_SIZE: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_sess_get_cache_size(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_GET_VERIFY_MODE: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_get_verify_mode(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_GET_VERIFY_DEPTH: net_store_data(&packet2,(uint32) (!ssl_acceptor_fd ? 0 : SSL_CTX_get_verify_depth(ssl_acceptor_fd->ssl_context))); break; case SHOW_SSL_CTX_GET_SESSION_CACHE_MODE: if (!ssl_acceptor_fd) { net_store_data(&packet2,"NONE" ); break; } switch (SSL_CTX_get_session_cache_mode(ssl_acceptor_fd->ssl_context)) { case SSL_SESS_CACHE_OFF: net_store_data(&packet2,"OFF" ); break; case SSL_SESS_CACHE_CLIENT: net_store_data(&packet2,"CLIENT" ); break; case SSL_SESS_CACHE_SERVER: net_store_data(&packet2,"SERVER" ); break; case SSL_SESS_CACHE_BOTH: net_store_data(&packet2,"BOTH" ); break; case SSL_SESS_CACHE_NO_AUTO_CLEAR: net_store_data(&packet2,"NO_AUTO_CLEAR" ); break; case SSL_SESS_CACHE_NO_INTERNAL_LOOKUP: net_store_data(&packet2,"NO_INTERNAL_LOOKUP" ); break; default: net_store_data(&packet2,"Unknown"); break; } break; /* First group - functions relying on SSL */ case SHOW_SSL_GET_VERSION: net_store_data(&packet2, thd->net.vio->ssl_arg ? SSL_get_version((SSL*) thd->net.vio->ssl_arg) : ""); break; case SHOW_SSL_SESSION_REUSED: net_store_data(&packet2,(uint32) (thd->net.vio->ssl_arg ? SSL_session_reused((SSL*) thd->net.vio->ssl_arg) : 0)); break; case SHOW_SSL_GET_DEFAULT_TIMEOUT: net_store_data(&packet2,(uint32) (thd->net.vio->ssl_arg ? SSL_get_default_timeout((SSL*) thd->net.vio->ssl_arg) : 0)); break; case SHOW_SSL_GET_VERIFY_MODE: net_store_data(&packet2,(uint32) (thd->net.vio->ssl_arg ? SSL_get_verify_mode((SSL*) thd->net.vio->ssl_arg):0)); break; case SHOW_SSL_GET_VERIFY_DEPTH: net_store_data(&packet2,(uint32) (thd->net.vio->ssl_arg ? SSL_get_verify_depth((SSL*) thd->net.vio->ssl_arg):0)); break; case SHOW_SSL_GET_CIPHER: net_store_data(&packet2, thd->net.vio->ssl_arg ? SSL_get_cipher((SSL*) thd->net.vio->ssl_arg) : ""); break; case SHOW_SSL_GET_CIPHER_LIST: if (thd->net.vio->ssl_arg) { char buf[1024], *pos; pos=buf; for (int i=0 ; i++ ;) { const char *p=SSL_get_cipher_list((SSL*) thd->net.vio->ssl_arg,i); if (p == NULL) break; pos=strmov(pos, p); *pos++= ':'; } if (pos != buf) pos--; // Remove last ':' *pos=0; net_store_data(&packet2, buf); } else net_store_data(&packet2, ""); break; #endif /* HAVE_OPENSSL */ case SHOW_UNDEF: // Show never happen case SHOW_SYS: net_store_data(&packet2, ""); // Safety break; } if (my_net_write(&thd->net, (char*) packet2.ptr(),packet2.length())) goto err; /* purecov: inspected */ } } pthread_mutex_unlock(mutex); send_eof(&thd->net); DBUG_RETURN(0); err: pthread_mutex_unlock(mutex); DBUG_RETURN(1); } #ifdef __GNUC__ template class List_iterator_fast; template class List; #endif