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Merge neptunus.(none):/home/msvensson/mysql/bug14871/my51-bug14871

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into  neptunus.(none):/home/msvensson/mysql/mysql-5.1
This commit is contained in:
msvensson@neptunus.(none)
2006-02-21 15:57:56 +01:00
parent 8e760bc6cc f64effb570
commit d35ba92a24
3 changed files with 254 additions and 43 deletions
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203
client/mysqldump.c
View File

@ -860,6 +860,27 @@ static int mysql_query_with_error_report(MYSQL *mysql_con, MYSQL_RES **res,
return 0;
}
/*
Open a new .sql file to dump the table or view into
SYNOPSIS
open_sql_file_for_table
name name of the table or view
RETURN VALUES
0 Failed to open file
> 0 Handle of the open file
*/
static FILE* open_sql_file_for_table(const char* table)
{
FILE* res;
char filename[FN_REFLEN], tmp_path[FN_REFLEN];
convert_dirname(tmp_path,path,NullS);
res= my_fopen(fn_format(filename, table, tmp_path, ".sql", 4),
O_WRONLY, MYF(MY_WME));
return res;
}
static void safe_exit(int error)
{
@ -1411,11 +1432,7 @@ static uint get_table_structure(char *table, char *db, char *table_type,
if (path)
{
char filename[FN_REFLEN], tmp_path[FN_REFLEN];
convert_dirname(tmp_path,path,NullS);
sql_file= my_fopen(fn_format(filename, table, tmp_path, ".sql", 4),
O_WRONLY, MYF(MY_WME));
if (!sql_file) /* If file couldn't be opened */
if (!(sql_file= open_sql_file_for_table(table)))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
@ -1580,11 +1597,7 @@ static uint get_table_structure(char *table, char *db, char *table_type,
{
if (path)
{
char filename[FN_REFLEN], tmp_path[FN_REFLEN];
convert_dirname(tmp_path,path,NullS);
sql_file= my_fopen(fn_format(filename, table, tmp_path, ".sql", 4),
O_WRONLY, MYF(MY_WME));
if (!sql_file) /* If file couldn't be opened */
if (!(sql_file= open_sql_file_for_table(table)))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
@ -3345,6 +3358,41 @@ cleanup:
}
/*
Replace a substring
SYNOPSIS
replace
ds_str The string to search and perform the replace in
search_str The string to search for
search_len Length of the string to search for
replace_str The string to replace with
replace_len Length of the string to replace with
RETURN
0 String replaced
1 Could not find search_str in str
*/
static int replace(DYNAMIC_STRING *ds_str,
const char *search_str, ulong search_len,
const char *replace_str, ulong replace_len)
{
const char *start= strstr(ds_str->str, search_str);
if (!start)
return 1;
DYNAMIC_STRING ds_tmp;
init_dynamic_string(&ds_tmp, "",
ds_str->length + replace_len, 256);
dynstr_append_mem(&ds_tmp, ds_str->str, start - ds_str->str);
dynstr_append_mem(&ds_tmp, replace_str, replace_len);
dynstr_append(&ds_tmp, start + search_len);
dynstr_set(ds_str, ds_tmp.str);
dynstr_free(&ds_tmp);
return 0;
}
/*
Getting VIEW structure
@ -3366,11 +3414,11 @@ static my_bool get_view_structure(char *table, char* db)
char *result_table, *opt_quoted_table;
char table_buff[NAME_LEN*2+3];
char table_buff2[NAME_LEN*2+3];
char buff[20+FN_REFLEN];
char query[QUERY_LENGTH];
FILE *sql_file = md_result_file;
DBUG_ENTER("get_view_structure");
if (tFlag)
if (tFlag) /* Don't write table creation info */
DBUG_RETURN(0);
if (verbose)
@ -3384,29 +3432,14 @@ static my_bool get_view_structure(char *table, char* db)
result_table= quote_name(table, table_buff, 1);
opt_quoted_table= quote_name(table, table_buff2, 0);
sprintf(buff,"show create table %s", result_table);
if (mysql_query(sock, buff))
snprintf(query, sizeof(query), "SHOW CREATE TABLE %s", result_table);
if (mysql_query_with_error_report(sock, &table_res, query))
{
fprintf(stderr, "%s: Can't get CREATE TABLE for view %s (%s)\n",
my_progname, result_table, mysql_error(sock));
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
if (path)
{
char filename[FN_REFLEN], tmp_path[FN_REFLEN];
convert_dirname(tmp_path,path,NullS);
sql_file= my_fopen(fn_format(filename, table, tmp_path, ".sql", 4),
O_WRONLY, MYF(MY_WME));
if (!sql_file) /* If file couldn't be opened */
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(1);
}
write_header(sql_file, db);
}
table_res= mysql_store_result(sock);
/* Check if this is a view */
field= mysql_fetch_field_direct(table_res, 0);
if (strcmp(field->name, "View") != 0)
{
@ -3415,6 +3448,17 @@ static my_bool get_view_structure(char *table, char* db)
DBUG_RETURN(0);
}
/* If requested, open separate .sql file for this view */
if (path)
{
if (!(sql_file= open_sql_file_for_table(table)))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(1);
}
write_header(sql_file, db);
}
if (!opt_xml && opt_comments)
{
fprintf(sql_file, "\n--\n-- View structure for view %s\n--\n\n",
@ -3430,11 +3474,102 @@ static my_bool get_view_structure(char *table, char* db)
check_io(sql_file);
}
row= mysql_fetch_row(table_res);
fprintf(sql_file, "/*!50001 %s*/;\n", row[1]);
check_io(sql_file);
mysql_free_result(table_res);
snprintf(query, sizeof(query),
"SELECT CHECK_OPTION, DEFINER, SECURITY_TYPE " \
"FROM information_schema.views " \
"WHERE table_name=\"%s\" AND table_schema=\"%s\"", table, db);
if (mysql_query(sock, query))
{
/*
Use the raw output from SHOW CREATE TABLE if
information_schema query fails.
*/
row= mysql_fetch_row(table_res);
fprintf(sql_file, "/*!50001 %s */;\n", row[1]);
check_io(sql_file);
mysql_free_result(table_res);
}
else
{
char *ptr;
ulong *lengths;
char search_buf[256], replace_buf[256];
ulong search_len, replace_len;
DYNAMIC_STRING ds_view;
/* Save the result of SHOW CREATE TABLE in ds_view */
row= mysql_fetch_row(table_res);
lengths= mysql_fetch_lengths(table_res);
init_dynamic_string(&ds_view, row[1], lengths[1] + 1, 1024);
mysql_free_result(table_res);
/* Get the result from "select ... information_schema" */
if (!(table_res= mysql_store_result(sock)))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(1);
}
row= mysql_fetch_row(table_res);
lengths= mysql_fetch_lengths(table_res);
/*
"WITH %s CHECK OPTION" is available from 5.0.2
Surround it with !50002 comments
*/
if (strcmp(row[0], "NONE"))
{
ptr= search_buf;
search_len= (ulong)(strxmov(ptr, "WITH ", row[0],
" CHECK OPTION", NullS) - ptr);
ptr= replace_buf;
replace_len=(ulong)(strxmov(ptr, "*/\n/*!50002 WITH ", row[0],
" CHECK OPTION", NullS) - ptr);
replace(&ds_view, search_buf, search_len, replace_buf, replace_len);
}
/*
"DEFINER=%s SQL SECURITY %s" is available from 5.0.13
Surround it with !50013 comments
*/
{
uint user_name_len;
char user_name_str[USERNAME_LENGTH + 1];
char quoted_user_name_str[USERNAME_LENGTH * 2 + 3];
uint host_name_len;
char host_name_str[HOSTNAME_LENGTH + 1];
char quoted_host_name_str[HOSTNAME_LENGTH * 2 + 3];
parse_user(row[1], lengths[1], user_name_str, &user_name_len,
host_name_str, &host_name_len);
ptr= search_buf;
search_len=
(ulong)(strxmov(ptr, "DEFINER=",
quote_name(user_name_str, quoted_user_name_str, FALSE),
"@",
quote_name(host_name_str, quoted_host_name_str, FALSE),
" SQL SECURITY ", row[2], NullS) - ptr);
ptr= replace_buf;
replace_len=
(ulong)(strxmov(ptr, "*/\n/*!50013 DEFINER=",
quote_name(user_name_str, quoted_user_name_str, FALSE),
"@",
quote_name(host_name_str, quoted_host_name_str, FALSE),
" SQL SECURITY ", row[2],
" */\n/*!50001", NullS) - ptr);
replace(&ds_view, search_buf, search_len, replace_buf, replace_len);
}
/* Dump view structure to file */
fprintf(sql_file, "/*!50001 %s */;\n", ds_view.str);
check_io(sql_file);
mysql_free_result(table_res);
dynstr_free(&ds_view);
}
/* If a separate .sql file was opened, close it now */
if (sql_file != md_result_file)
{
fputs("\n", sql_file);