/* 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 */ /* Show databases, tables or columns */ #define SHOW_VERSION "8.3" #include <my_global.h> #include <my_sys.h> #include <m_string.h> #include "mysql.h" #include "mysql_version.h" #include "mysqld_error.h" #include <signal.h> #include <stdarg.h> #include <getopt.h> static my_string host=0,opt_password=0,user=0; static my_bool opt_show_keys=0,opt_compress=0,opt_status=0; static uint opt_verbose=0; static void get_options(int *argc,char ***argv); static uint opt_mysql_port=0; static int list_dbs(MYSQL *mysql,const char *wild); static int list_tables(MYSQL *mysql,const char *db,const char *table); static int list_table_status(MYSQL *mysql,const char *db,const char *table); static int list_fields(MYSQL *mysql,const char *db,const char *table, const char *field); static void print_header(const char *header,uint head_length,...); static void print_row(const char *header,uint head_length,...); static void print_trailer(uint length,...); static void print_res_header(MYSQL_RES *result); static void print_res_top(MYSQL_RES *result); static void print_res_row(MYSQL_RES *result,MYSQL_ROW cur); static const char *load_default_groups[]= { "mysqlshow","client",0 }; static my_string opt_mysql_unix_port=0; #include "sslopt-vars.h" int main(int argc, char **argv) { int error; char *wild; MYSQL mysql; MY_INIT(argv[0]); load_defaults("my",load_default_groups,&argc,&argv); get_options(&argc,&argv); wild=0; if (argc && strcont(argv[argc-1],"*?%_")) { char *pos; wild=argv[--argc]; for (pos=wild ; *pos ; pos++) { /* Unix wildcards to sql */ if (*pos == '*') *pos='%'; else if (*pos == '?') *pos='_'; } } else if (argc == 3) /* We only want one field */ wild=argv[--argc]; if (argc > 2) { fprintf(stderr,"%s: Too many arguments\n",my_progname); exit(1); } mysql_init(&mysql); if (opt_compress) mysql_options(&mysql,MYSQL_OPT_COMPRESS,NullS); #ifdef HAVE_OPENSSL if (opt_use_ssl) mysql_ssl_set(&mysql, opt_ssl_key, opt_ssl_cert, opt_ssl_ca, opt_ssl_capath, opt_ssl_cipher); #endif if (!(mysql_real_connect(&mysql,host,user,opt_password, argv[0],opt_mysql_port,opt_mysql_unix_port, 0))) { fprintf(stderr,"%s: %s\n",my_progname,mysql_error(&mysql)); exit(1); } switch (argc) { case 0: error=list_dbs(&mysql,wild); break; case 1: if (opt_status) error=list_table_status(&mysql,argv[0],wild); else error=list_tables(&mysql,argv[0],wild); break; default: if (opt_status && ! wild) error=list_table_status(&mysql,argv[0],argv[1]); else error=list_fields(&mysql,argv[0],argv[1],wild); break; } mysql_close(&mysql); /* Close & free connection */ if (opt_password) my_free(opt_password,MYF(0)); my_end(0); exit(error ? 1 : 0); return 0; /* No compiler warnings */ } static struct option long_options[] = { {"character-sets-dir", required_argument, 0, 'c'}, {"compress", no_argument, 0, 'C'}, {"debug", optional_argument, 0, '#'}, {"help", no_argument, 0, '?'}, {"host", required_argument, 0, 'h'}, {"status", no_argument, 0, 'i'}, {"keys", no_argument, 0, 'k'}, {"password", optional_argument, 0, 'p'}, {"port", required_argument, 0, 'P'}, #ifdef __WIN__ {"pipe", no_argument, 0, 'W'}, #endif {"socket", required_argument, 0, 'S'}, #include "sslopt-longopts.h" #ifndef DONT_ALLOW_USER_CHANGE {"user", required_argument, 0, 'u'}, #endif {"verbose", no_argument, 0, 'v'}, {"version", no_argument, 0, 'V'}, {0, 0, 0, 0} }; static void print_version(void) { printf("%s Ver %s Distrib %s, for %s (%s)\n",my_progname,SHOW_VERSION, MYSQL_SERVER_VERSION,SYSTEM_TYPE,MACHINE_TYPE); } static void usage(void) { print_version(); puts("Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB"); puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,\nand you are welcome to modify and redistribute it under the GPL license\n"); puts("Shows the structure of a mysql database (databases,tables and columns)\n"); printf("Usage: %s [OPTIONS] [database [table [column]]]\n",my_progname); printf("\n\ -#, --debug=... output debug log. Often this is 'd:t:o,filename`\n\ -?, --help display this help and exit\n\ -c, --character-sets-dir=...\n\ Directory where character sets are\n\ -C, --compress Use compression in server/client protocol\n\ -h, --host=... connect to host\n\ -i, --status Shows a lot of extra information about each table\n\ -k, --keys show keys for table\n\ -p, --password[=...] password to use when connecting to server\n\ If password is not given it's asked from the tty.\n"); #ifdef __WIN__ puts("-W, --pipe Use named pipes to connect to server"); #endif printf("\ -P --port=... Port number to use for connection\n\ -S --socket=... Socket file to use for connection\n"); #include "sslopt-usage.h" #ifndef DONT_ALLOW_USER_CHANGE printf("\ -u, --user=# user for login if not current user\n"); #endif printf("\ -v, --verbose more verbose output; You can use this multiple times\n\ to get even more verbose output.\n\ -V, --version output version information and exit\n"); puts("\n\ If last argument contains a shell or SQL wildcard (*,?,% or _) then only\n\ what\'s matched by the wildcard is shown.\n\ If no database is given then all matching databases are shown.\n\ If no table is given then all matching tables in database are shown\n\ If no column is given then all matching columns and columntypes in table\n\ are shown"); print_defaults("my",load_default_groups); } static void get_options(int *argc,char ***argv) { int c,option_index; my_bool tty_password=0; while ((c=getopt_long(*argc,*argv,"c:h:p::u:#::P:S:Ck?vVWi",long_options, &option_index)) != EOF) { switch(c) { case 'C': opt_compress=1; break; case 'c': charsets_dir= optarg; break; case 'v': opt_verbose++; break; case 'h': host = optarg; break; case 'i': opt_status=1; break; case 'k': opt_show_keys=1; break; case 'p': if (optarg) { char *start=optarg; my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR)); opt_password=my_strdup(optarg,MYF(MY_FAE)); while (*optarg) *optarg++= 'x'; /* Destroy argument */ if (*start) start[1]=0; /* Cut length of argument */ } else tty_password=1; break; #ifndef DONT_ALLOW_USER_CHANGE case 'u': user=optarg; break; #endif case 'P': opt_mysql_port= (unsigned int) atoi(optarg); break; case 'S': opt_mysql_unix_port= optarg; break; case 'W': #ifdef __WIN__ opt_mysql_unix_port=MYSQL_NAMEDPIPE; #endif break; #include "sslopt-case.h" case '#': DBUG_PUSH(optarg ? optarg : "d:t:o"); break; case 'V': print_version(); exit(0); break; default: fprintf(stderr,"Illegal option character '%c'\n",opterr); /* Fall throught */ case '?': case 'I': /* Info */ usage(); exit(0); } } (*argc)-=optind; (*argv)+=optind; if (tty_password) opt_password=get_tty_password(NullS); return; } static int list_dbs(MYSQL *mysql,const char *wild) { const char *header; uint length, counter = 0; ulong rowcount = 0L; char tables[NAME_LEN+1], rows[NAME_LEN+1]; char query[255]; MYSQL_FIELD *field; MYSQL_RES *result; MYSQL_ROW row, trow, rrow; if (!(result=mysql_list_dbs(mysql,wild))) { fprintf(stderr,"%s: Cannot list databases: %s\n",my_progname, mysql_error(mysql)); return 1; } if (wild) printf("Wildcard: %s\n",wild); header="Databases"; length=(uint) strlen(header); field=mysql_fetch_field(result); if (length < field->max_length) length=field->max_length; if (!opt_verbose) print_header(header,length,NullS); else if (opt_verbose == 1) print_header(header,length,"Tables",6,NullS); else print_header(header,length,"Tables",6,"Total Rows",12,NullS); while ((row = mysql_fetch_row(result))) { counter++; if (opt_verbose) { /* * Original code by MG16373; Slightly modified by Monty. * Print now the count of tables and rows for each database. */ if (!(mysql_select_db(mysql,row[0]))) { MYSQL_RES *tresult = mysql_list_tables(mysql,(char*)NULL); if (mysql_affected_rows(mysql) > 0) { sprintf(tables,"%6lu",(ulong) mysql_affected_rows(mysql)); rowcount = 0; if (opt_verbose > 1) { while ((trow = mysql_fetch_row(tresult))) { sprintf(query,"SELECT COUNT(*) FROM `%s`",trow[0]); if (!(mysql_query(mysql,query))) { MYSQL_RES *rresult; if ((rresult = mysql_store_result(mysql))) { rrow = mysql_fetch_row(rresult); rowcount += (ulong) strtoull(rrow[0], (char**) 0, 10); mysql_free_result(rresult); } } } sprintf(rows,"%12lu",rowcount); } } else { sprintf(tables,"%6d",0); sprintf(rows,"%12d",0); } mysql_free_result(tresult); } else { strmov(tables,"N/A"); strmov(rows,"N/A"); } } if (!opt_verbose) print_row(row[0],length,0); else if (opt_verbose == 1) print_row(row[0],length,tables,6,NullS); else print_row(row[0],length,tables,6,rows,12,NullS); } print_trailer(length, (opt_verbose > 0 ? 6 : 0), (opt_verbose > 1 ? 12 :0), 0); if (counter && opt_verbose) printf("%u row%s in set.\n",counter,(counter > 1) ? "s" : ""); mysql_free_result(result); return 0; } static int list_tables(MYSQL *mysql,const char *db,const char *table) { const char *header; uint head_length, counter = 0; char query[255], rows[64], fields[16]; MYSQL_FIELD *field; MYSQL_RES *result; MYSQL_ROW row, rrow; if (mysql_select_db(mysql,db)) { fprintf(stderr,"%s: Cannot connect to db %s: %s\n",my_progname,db, mysql_error(mysql)); return 1; } if (!(result=mysql_list_tables(mysql,table))) { fprintf(stderr,"%s: Cannot list tables in %s: %s\n",my_progname,db, mysql_error(mysql)); exit(1); } printf("Database: %s",db); if (table) printf(" Wildcard: %s",table); putchar('\n'); header="Tables"; head_length=(uint) strlen(header); field=mysql_fetch_field(result); if (head_length < field->max_length) head_length=field->max_length; if (!opt_verbose) print_header(header,head_length,NullS); else if (opt_verbose == 1) print_header(header,head_length,"Columns",8,NullS); else print_header(header,head_length,"Columns",8, "Total Rows",10,NullS); while ((row = mysql_fetch_row(result))) { /* * Modified by MG16373 * Print now the count of rows for each table. */ counter++; if (opt_verbose > 0) { if (!(mysql_select_db(mysql,db))) { MYSQL_RES *rresult = mysql_list_fields(mysql,row[0],NULL); ulong rowcount=0L; if (!rresult) { strmov(fields,"N/A"); strmov(rows,"N/A"); } else { sprintf(fields,"%8u",(uint) mysql_num_fields(rresult)); mysql_free_result(rresult); if (opt_verbose > 1) { sprintf(query,"SELECT COUNT(*) FROM `%s`",row[0]); if (!(mysql_query(mysql,query))) { if ((rresult = mysql_store_result(mysql))) { rrow = mysql_fetch_row(rresult); rowcount += (unsigned long) strtoull(rrow[0], (char**) 0, 10); mysql_free_result(rresult); } sprintf(rows,"%10lu",rowcount); } else sprintf(rows,"%10d",0); } } } else { strmov(fields,"N/A"); strmov(rows,"N/A"); } } if (!opt_verbose) print_row(row[0],head_length,NullS); else if (opt_verbose == 1) print_row(row[0],head_length, fields,8, NullS); else print_row(row[0],head_length, fields,8, rows,10, NullS); } print_trailer(head_length, (opt_verbose > 0 ? 8 : 0), (opt_verbose > 1 ? 10 :0), 0); if (counter && opt_verbose) printf("%u row%s in set.\n\n",counter,(counter > 1) ? "s" : ""); mysql_free_result(result); return 0; } static int list_table_status(MYSQL *mysql,const char *db,const char *wild) { char query[1024],*end; MYSQL_RES *result; MYSQL_ROW row; end=strxmov(query,"show table status from ",db,NullS); if (wild && wild[0]) strxmov(end," like '",wild,"'",NullS); if (mysql_query(mysql,query) || !(result=mysql_store_result(mysql))) { fprintf(stderr,"%s: Cannot get status for db: %s, table: %s: %s\n", my_progname,db,wild ? wild : "",mysql_error(mysql)); if (mysql_errno(mysql) == ER_PARSE_ERROR) fprintf(stderr,"This error probably means that your MySQL server doesn't support the\n\'show table status' command.\n"); return 1; } printf("Database: %s",db); if (wild) printf(" Wildcard: %s",wild); putchar('\n'); print_res_header(result); while ((row=mysql_fetch_row(result))) print_res_row(result,row); print_res_top(result); mysql_free_result(result); return 0; } /* ** list fields uses field interface as an example of how to parse ** a MYSQL FIELD */ static int list_fields(MYSQL *mysql,const char *db,const char *table, const char *wild) { char query[1024],*end; MYSQL_RES *result; MYSQL_ROW row; if (mysql_select_db(mysql,db)) { fprintf(stderr,"%s: Cannot connect to db: %s: %s\n",my_progname,db, mysql_error(mysql)); return 1; } end=strmov(strmov(query,"show /*!32332 FULL */ columns from "),table); if (wild && wild[0]) strxmov(end," like '",wild,"'",NullS); if (mysql_query(mysql,query) || !(result=mysql_store_result(mysql))) { fprintf(stderr,"%s: Cannot list columns in db: %s, table: %s: %s\n", my_progname,db,table,mysql_error(mysql)); return 1; } printf("Database: %s Table: %s Rows: %lu", db,table, (ulong) mysql->extra_info); if (wild && wild[0]) printf(" Wildcard: %s",wild); putchar('\n'); print_res_header(result); while ((row=mysql_fetch_row(result))) print_res_row(result,row); print_res_top(result); if (opt_show_keys) { end=strmov(strmov(query,"show keys from "),table); if (mysql_query(mysql,query) || !(result=mysql_store_result(mysql))) { fprintf(stderr,"%s: Cannot list keys in db: %s, table: %s: %s\n", my_progname,db,table,mysql_error(mysql)); return 1; } if (mysql_num_rows(result)) { print_res_header(result); while ((row=mysql_fetch_row(result))) print_res_row(result,row); print_res_top(result); } else puts("Table has no keys"); } mysql_free_result(result); return 0; } /***************************************************************************** ** General functions to print a nice ascii-table from data *****************************************************************************/ static void print_header(const char *header,uint head_length,...) { va_list args; uint length,i,str_length,pre_space; const char *field; va_start(args,head_length); putchar('+'); field=header; length=head_length; for (;;) { for (i=0 ; i < length+2 ; i++) putchar('-'); putchar('+'); if (!(field=va_arg(args,my_string))) break; length=va_arg(args,uint); } va_end(args); putchar('\n'); va_start(args,head_length); field=header; length=head_length; putchar('|'); for (;;) { str_length=(uint) strlen(field); if (str_length > length) str_length=length+1; pre_space=(uint) (((int) length-(int) str_length)/2)+1; for (i=0 ; i < pre_space ; i++) putchar(' '); for (i = 0 ; i < str_length ; i++) putchar(field[i]); length=length+2-str_length-pre_space; for (i=0 ; i < length ; i++) putchar(' '); putchar('|'); if (!(field=va_arg(args,my_string))) break; length=va_arg(args,uint); } va_end(args); putchar('\n'); va_start(args,head_length); putchar('+'); field=header; length=head_length; for (;;) { for (i=0 ; i < length+2 ; i++) putchar('-'); putchar('+'); if (!(field=va_arg(args,my_string))) break; length=va_arg(args,uint); } va_end(args); putchar('\n'); } static void print_row(const char *header,uint head_length,...) { va_list args; const char *field; uint i,length,field_length; va_start(args,head_length); field=header; length=head_length; for (;;) { putchar('|'); putchar(' '); fputs(field,stdout); field_length=(uint) strlen(field); for (i=field_length ; i <= length ; i++) putchar(' '); if (!(field=va_arg(args,my_string))) break; length=va_arg(args,uint); } va_end(args); putchar('|'); putchar('\n'); } static void print_trailer(uint head_length,...) { va_list args; uint length,i; va_start(args,head_length); length=head_length; putchar('+'); for (;;) { for (i=0 ; i < length+2 ; i++) putchar('-'); putchar('+'); if (!(length=va_arg(args,uint))) break; } va_end(args); putchar('\n'); } static void print_res_header(MYSQL_RES *result) { MYSQL_FIELD *field; print_res_top(result); mysql_field_seek(result,0); putchar('|'); while ((field = mysql_fetch_field(result))) { printf(" %-*s|",(int) field->max_length+1,field->name); } putchar('\n'); print_res_top(result); } static void print_res_top(MYSQL_RES *result) { uint i,length; MYSQL_FIELD *field; putchar('+'); mysql_field_seek(result,0); while((field = mysql_fetch_field(result))) { if ((length=(uint) strlen(field->name)) > field->max_length) field->max_length=length; else length=field->max_length; for (i=length+2 ; i--> 0 ; ) putchar('-'); putchar('+'); } putchar('\n'); } static void print_res_row(MYSQL_RES *result,MYSQL_ROW cur) { uint i,length; MYSQL_FIELD *field; putchar('|'); mysql_field_seek(result,0); for (i=0 ; i < mysql_num_fields(result); i++) { field = mysql_fetch_field(result); length=field->max_length; printf(" %-*s|",length+1,cur[i] ? (char*) cur[i] : ""); } putchar('\n'); }