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Add the .fullschema command to the sqlite3.exe utility. This command shows

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the schema and the content of the sqlite_stat tables, all in one go.  Useful
when reporting problems with the query planner.

FossilOrigin-Name: ebec48921c092e20c9d7608242b63db40b40be5e
This commit is contained in:
drh
2014-06-23 23:28:13 +00:00
parent 685ffb134a
commit c1971541e4
3 changed files with 47 additions and 8 deletions
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39
src/shell.c
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@@ -1583,6 +1583,7 @@ static char zHelp[] =
".exit Exit this program\n"
".explain ?on|off? Turn output mode suitable for EXPLAIN on or off.\n"
" With no args, it turns EXPLAIN on.\n"
".fullschema Show schema and the content of sqlite_stat tables\n"
".headers on|off Turn display of headers on or off\n"
".help Show this message\n"
".import FILE TABLE Import data from FILE into TABLE\n"
@@ -2412,6 +2413,44 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
}else
if( c=='f' && strncmp(azArg[0], "fullschema", n)==0 ){
struct callback_data data;
char *zErrMsg = 0;
if( nArg!=1 ){
fprintf(stderr, "Usage: .fullschema\n");
rc = 1;
goto meta_command_exit;
}
open_db(p, 0);
memcpy(&data, p, sizeof(data));
data.showHeader = 0;
data.mode = MODE_Semi;
rc = sqlite3_exec(p->db,
"SELECT sql FROM"
" (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
" FROM sqlite_master UNION ALL"
" SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
"WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%'"
"ORDER BY rowid",
callback, &data, &zErrMsg
);
sqlite3_exec(p->db, "SELECT 'ANALYZE sqlite_master;'",
callback, &data, &zErrMsg);
data.mode = MODE_Insert;
data.zDestTable = "sqlite_stat1";
shell_exec(p->db, "SELECT * FROM sqlite_stat1",
shell_callback, &data,&zErrMsg);
data.zDestTable = "sqlite_stat3";
shell_exec(p->db, "SELECT * FROM sqlite_stat3",
shell_callback, &data,&zErrMsg);
data.zDestTable = "sqlite_stat4";
shell_exec(p->db, "SELECT * FROM sqlite_stat4",
shell_callback, &data, &zErrMsg);
data.mode = MODE_Semi;
shell_exec(p->db, "SELECT 'ANALYZE sqlite_master;'",
shell_callback, &data, &zErrMsg);
}else
if( c=='h' && strncmp(azArg[0], "headers", n)==0 ){
if( nArg==2 ){
p->showHeader = booleanValue(azArg[1]);