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mysql_client_fw.c
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/* Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
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; version 2 of the License.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#include <my_global.h>
#include <my_sys.h>
#include <mysql.h>
#include <errmsg.h>
#include <my_compare.h>
#include <my_getopt.h>
#include <m_string.h>
#include <mysqld_error.h>
#include <sql_common.h>
#include <mysql/client_plugin.h>
/*
If non_blocking_api_enabled is true, we will re-define all the blocking
API functions as wrappers that call the corresponding non-blocking API
and use poll()/select() to wait for them to complete. This way we can get
a good coverage testing of the non-blocking API as well.
*/
#include <my_context.h>
static my_bool non_blocking_api_enabled= 0;
#if !defined(EMBEDDED_LIBRARY) && !defined(MY_CONTEXT_DISABLE)
#define WRAP_NONBLOCK_ENABLED non_blocking_api_enabled
#include "nonblock-wrappers.h"
#endif
#define VER "2.1"
#define MAX_TEST_QUERY_LENGTH 300 /* MAX QUERY BUFFER LENGTH */
#define MAX_KEY MAX_INDEXES
#define MAX_SERVER_ARGS 64
/* set default options */
static int opt_testcase __attribute__((unused)) = 0;
static char *opt_db= 0;
static char *opt_user= 0;
static char *opt_password= 0;
static char *opt_host= 0;
static char *opt_unix_socket= 0;
#ifdef HAVE_SMEM
static char *shared_memory_base_name= 0;
#endif
static unsigned int opt_port;
static my_bool tty_password= 0, opt_silent= 0;
static MYSQL *mysql= 0;
static char current_db[]= "client_test_db";
static unsigned int test_count= 0;
static unsigned int opt_count= 0;
static unsigned int opt_count_read= 0;
static unsigned int iter_count= 0;
static my_bool have_innodb= FALSE;
static char *opt_plugin_dir= 0, *opt_default_auth= 0;
static unsigned int opt_drop_db= 1;
static const char *opt_basedir= "./";
static const char *opt_vardir= "mysql-test/var";
static char mysql_charsets_dir[FN_REFLEN+1];
static longlong opt_getopt_ll_test= 0;
static char **defaults_argv;
static int original_argc;
static char **original_argv;
static int embedded_server_arg_count= 0;
static char *embedded_server_args[MAX_SERVER_ARGS];
static const char *embedded_server_groups[]= {
"server",
"embedded",
"mysql_client_test_SERVER",
NullS
};
static time_t start_time, end_time;
static double total_time;
const char *default_dbug_option= "d:t:o,/tmp/mysql_client_test.trace";
struct my_tests_st
{
const char *name;
void (*function)();
};
#define myheader(str) \
DBUG_PRINT("test", ("name: %s", str)); \
if (opt_silent < 2) \
{ \
fprintf(stdout, "\n\n#####################################\n"); \
fprintf(stdout, "%u of (%u/%u): %s", test_count++, iter_count, \
opt_count, str); \
fprintf(stdout, " \n#####################################\n"); \
}
#define myheader_r(str) \
DBUG_PRINT("test", ("name: %s", str)); \
if (!opt_silent) \
{ \
fprintf(stdout, "\n\n#####################################\n"); \
fprintf(stdout, "%s", str); \
fprintf(stdout, " \n#####################################\n"); \
}
static void print_error(const char *msg);
static void print_st_error(MYSQL_STMT *stmt, const char *msg);
static void client_disconnect(MYSQL* mysql);
static void get_options(int *argc, char ***argv);
/*
Abort unless given experssion is non-zero.
SYNOPSIS
DIE_UNLESS(expr)
DESCRIPTION
We can't use any kind of system assert as we need to
preserve tested invariants in release builds as well.
*/
#define DIE_UNLESS(expr) \
((void) ((expr) ? 0 : (die(__FILE__, __LINE__, #expr), 0)))
#define DIE_IF(expr) \
((void) ((expr) ? (die(__FILE__, __LINE__, #expr), 0) : 0))
#define DIE(expr) \
die(__FILE__, __LINE__, #expr)
static void die(const char *file, int line, const char *expr)
{
fflush(stdout);
fprintf(stderr, "%s:%d: check failed: '%s'\n", file, line, expr);
fprintf(stderr, "MySQL error %d: %s\n", mysql_errno(0), mysql_error(0));
fflush(stderr);
exit(1);
}
#define myerror(msg) print_error(msg)
#define mysterror(stmt, msg) print_st_error(stmt, msg)
#define myquery(RES) \
{ \
int r= (RES); \
if (r) \
myerror(NULL); \
DIE_UNLESS(r == 0); \
}
#define myquery_r(r) \
{ \
if (r) \
myerror(NULL); \
DIE_UNLESS(r != 0); \
}
#define check_execute(stmt, r) \
{ \
if (r) \
mysterror(stmt, NULL); \
DIE_UNLESS(r == 0); \
}
#define check_execute_r(stmt, r) \
{ \
if (r) \
mysterror(stmt, NULL); \
DIE_UNLESS(r != 0); \
}
#define check_stmt(stmt) \
{ \
if ( stmt == 0) \
myerror(NULL); \
DIE_UNLESS(stmt != 0); \
}
#define check_stmt_r(stmt) \
{ \
if (stmt == 0) \
myerror(NULL); \
DIE_UNLESS(stmt == 0); \
}
#define mytest(x) if (!(x)) {myerror(NULL);DIE_UNLESS(FALSE);}
#define mytest_r(x) if ((x)) {myerror(NULL);DIE_UNLESS(FALSE);}
/* A workaround for Sun Forte 5.6 on Solaris x86 */
static int cmp_double(double *a, double *b)
{
return *a == *b;
}
/* Print the error message */
static void print_error(const char *msg)
{
if (!opt_silent)
{
if (mysql && mysql_errno(mysql))
{
if (mysql->server_version)
fprintf(stdout, "\n [MySQL-%s]", mysql->server_version);
else
fprintf(stdout, "\n [MySQL]");
fprintf(stdout, "[%d] %s\n", mysql_errno(mysql), mysql_error(mysql));
}
else if (msg)
fprintf(stderr, " [MySQL] %s\n", msg);
}
}
static void print_st_error(MYSQL_STMT *stmt, const char *msg)
{
if (!opt_silent)
{
if (stmt && mysql_stmt_errno(stmt))
{
if (stmt->mysql && stmt->mysql->server_version)
fprintf(stdout, "\n [MySQL-%s]", stmt->mysql->server_version);
else
fprintf(stdout, "\n [MySQL]");
fprintf(stdout, "[%d] %s\n", mysql_stmt_errno(stmt),
mysql_stmt_error(stmt));
}
else if (msg)
fprintf(stderr, " [MySQL] %s\n", msg);
}
}
/*
Enhanced version of mysql_client_init(), which may also set shared memory
base on Windows.
*/
static MYSQL *mysql_client_init(MYSQL* con)
{
MYSQL* res = mysql_init(con);
#ifdef HAVE_SMEM
if (res && shared_memory_base_name)
mysql_options(res, MYSQL_SHARED_MEMORY_BASE_NAME, shared_memory_base_name);
#endif
if (res && non_blocking_api_enabled)
mysql_options(res, MYSQL_OPT_NONBLOCK, 0);
if (opt_plugin_dir && *opt_plugin_dir)
mysql_options(res, MYSQL_PLUGIN_DIR, opt_plugin_dir);
if (opt_default_auth && *opt_default_auth)
mysql_options(res, MYSQL_DEFAULT_AUTH, opt_default_auth);
return res;
}
/*
Disable direct calls of mysql_init, as it disregards shared memory base.
*/
#define mysql_init(A) Please use mysql_client_init instead of mysql_init
/* Check if the connection has InnoDB tables */
static my_bool check_have_innodb(MYSQL *conn)
{
MYSQL_RES *res;
MYSQL_ROW row;
int rc;
my_bool result= FALSE;
rc= mysql_query(conn,
"SELECT (support = 'YES' or support = 'DEFAULT' or support = 'ENABLED') "
"AS `TRUE` FROM information_schema.engines WHERE engine = 'innodb'");
myquery(rc);
res= mysql_use_result(conn);
DIE_UNLESS(res);
row= mysql_fetch_row(res);
DIE_UNLESS(row);
if (row[0] && row[1])
result= strcmp(row[1], "1") == 0;
mysql_free_result(res);
return result;
}
/*
This is to be what mysql_query() is for mysql_real_query(), for
mysql_simple_prepare(): a variant without the 'length' parameter.
*/
static MYSQL_STMT *STDCALL
mysql_simple_prepare(MYSQL *mysql_arg, const char *query)
{
MYSQL_STMT *stmt= mysql_stmt_init(mysql_arg);
if (stmt && mysql_stmt_prepare(stmt, query, (uint) strlen(query)))
{
mysql_stmt_close(stmt);
return 0;
}
return stmt;
}
/**
Connect to the server with options given by arguments to this application,
stored in global variables opt_host, opt_user, opt_password, opt_db,
opt_port and opt_unix_socket.
@param flag[in] client_flag passed on to mysql_real_connect
@param protocol[in] MYSQL_PROTOCOL_* to use for this connection
@param auto_reconnect[in] set to 1 for auto reconnect
@return pointer to initialized and connected MYSQL object
*/
static MYSQL* client_connect(ulong flag, uint protocol, my_bool auto_reconnect)
{
MYSQL* mysql;
int rc;
static char query[MAX_TEST_QUERY_LENGTH];
myheader_r("client_connect");
if (!opt_silent)
fprintf(stdout, "\n Establishing a connection to '%s' ...",
opt_host ? opt_host : "");
if (!(mysql= mysql_client_init(NULL)))
{
opt_silent= 0;
myerror("mysql_client_init() failed");
exit(1);
}
/* enable local infile, in non-binary builds often disabled by default */
mysql_options(mysql, MYSQL_OPT_LOCAL_INFILE, 0);
mysql_options(mysql, MYSQL_OPT_PROTOCOL, &protocol);
if (opt_plugin_dir && *opt_plugin_dir)
mysql_options(mysql, MYSQL_PLUGIN_DIR, opt_plugin_dir);
if (opt_default_auth && *opt_default_auth)
mysql_options(mysql, MYSQL_DEFAULT_AUTH, opt_default_auth);
if (!(mysql_real_connect(mysql, opt_host, opt_user,
opt_password, opt_db ? opt_db:"test", opt_port,
opt_unix_socket, flag)))
{
opt_silent= 0;
myerror("connection failed");
mysql_close(mysql);
fprintf(stdout, "\n Check the connection options using --help or -?\n");
exit(1);
}
mysql->reconnect= auto_reconnect;
if (!opt_silent)
fprintf(stdout, "OK");
/* set AUTOCOMMIT to ON*/
mysql_autocommit(mysql, TRUE);
if (!opt_silent)
{
fprintf(stdout, "\nConnected to MySQL server version: %s (%lu)\n",
mysql_get_server_info(mysql),
(ulong) mysql_get_server_version(mysql));
fprintf(stdout, "\n Creating a test database '%s' ...", current_db);
}
strxmov(query, "CREATE DATABASE IF NOT EXISTS ", current_db, NullS);
rc= mysql_query(mysql, query);
myquery(rc);
strxmov(query, "USE ", current_db, NullS);
rc= mysql_query(mysql, query);
myquery(rc);
have_innodb= check_have_innodb(mysql);
if (!opt_silent)
fprintf(stdout, "OK\n");
return mysql;
}
/* Close the connection */
static void client_disconnect(MYSQL* mysql)
{
static char query[MAX_TEST_QUERY_LENGTH];
myheader_r("client_disconnect");
if (mysql)
{
if (opt_drop_db)
{
if (!opt_silent)
fprintf(stdout, "\n dropping the test database '%s' ...", current_db);
strxmov(query, "DROP DATABASE IF EXISTS ", current_db, NullS);
mysql_query(mysql, query);
if (!opt_silent)
fprintf(stdout, "OK");
}
if (!opt_silent)
fprintf(stdout, "\n closing the connection ...");
mysql_close(mysql);
if (!opt_silent)
fprintf(stdout, "OK\n");
}
}
/* Print dashes */
static void my_print_dashes(MYSQL_RES *result)
{
MYSQL_FIELD *field;
unsigned int i, j;
mysql_field_seek(result, 0);
fputc('\t', stdout);
fputc('+', stdout);
for(i= 0; i< mysql_num_fields(result); i++)
{
field= mysql_fetch_field(result);
for(j= 0; j < field->max_length+2; j++)
fputc('-', stdout);
fputc('+', stdout);
}
fputc('\n', stdout);
}
/* Print resultset metadata information */
static void my_print_result_metadata(MYSQL_RES *result)
{
MYSQL_FIELD *field;
unsigned int i, j;
unsigned int field_count;
mysql_field_seek(result, 0);
if (!opt_silent)
{
fputc('\n', stdout);
fputc('\n', stdout);
}
field_count= mysql_num_fields(result);
for(i= 0; i< field_count; i++)
{
field= mysql_fetch_field(result);
j= strlen(field->name);
if (j < field->max_length)
j= field->max_length;
if (j < 4 && !IS_NOT_NULL(field->flags))
j= 4;
field->max_length= j;
}
if (!opt_silent)
{
my_print_dashes(result);
fputc('\t', stdout);
fputc('|', stdout);
}
mysql_field_seek(result, 0);
for(i= 0; i< field_count; i++)
{
field= mysql_fetch_field(result);
if (!opt_silent)
fprintf(stdout, " %-*s |", (int) field->max_length, field->name);
}
if (!opt_silent)
{
fputc('\n', stdout);
my_print_dashes(result);
}
}
/* Process the result set */
static int my_process_result_set(MYSQL_RES *result)
{
MYSQL_ROW row;
MYSQL_FIELD *field;
unsigned int i;
unsigned int row_count= 0;
if (!result)
return 0;
my_print_result_metadata(result);
while ((row= mysql_fetch_row(result)) != NULL)
{
mysql_field_seek(result, 0);
if (!opt_silent)
{
fputc('\t', stdout);
fputc('|', stdout);
}
for(i= 0; i< mysql_num_fields(result); i++)
{
field= mysql_fetch_field(result);
if (!opt_silent)
{
if (row[i] == NULL)
fprintf(stdout, " %-*s |", (int) field->max_length, "NULL");
else if (IS_NUM(field->type))
fprintf(stdout, " %*s |", (int) field->max_length, row[i]);
else
fprintf(stdout, " %-*s |", (int) field->max_length, row[i]);
}
}
if (!opt_silent)
{
fputc('\t', stdout);
fputc('\n', stdout);
}
row_count++;
}
if (!opt_silent)
{
if (row_count)
my_print_dashes(result);
if (mysql_errno(mysql) != 0)
fprintf(stderr, "\n\tmysql_fetch_row() failed\n");
else
fprintf(stdout, "\n\t%d %s returned\n", row_count,
row_count == 1 ? "row" : "rows");
}
return row_count;
}
static int my_process_result(MYSQL *mysql_arg)
{
MYSQL_RES *result;
int row_count;
if (!(result= mysql_store_result(mysql_arg)))
return 0;
row_count= my_process_result_set(result);
mysql_free_result(result);
return row_count;
}
/* Process the statement result set */
#define MAX_RES_FIELDS 50
#define MAX_FIELD_DATA_SIZE 255
static int my_process_stmt_result(MYSQL_STMT *stmt)
{
int field_count;
int row_count= 0;
MYSQL_BIND buffer[MAX_RES_FIELDS];
MYSQL_FIELD *field;
MYSQL_RES *result;
char data[MAX_RES_FIELDS][MAX_FIELD_DATA_SIZE];
ulong length[MAX_RES_FIELDS];
my_bool is_null[MAX_RES_FIELDS];
int rc, i;
if (!(result= mysql_stmt_result_metadata(stmt))) /* No meta info */
{
while (!mysql_stmt_fetch(stmt))
row_count++;
return row_count;
}
field_count= MY_MIN(mysql_num_fields(result), MAX_RES_FIELDS);
bzero((char*) buffer, sizeof(buffer));
bzero((char*) length, sizeof(length));
bzero((char*) is_null, sizeof(is_null));
for(i= 0; i < field_count; i++)
{
buffer[i].buffer_type= MYSQL_TYPE_STRING;
buffer[i].buffer_length= MAX_FIELD_DATA_SIZE;
buffer[i].length= &length[i];
buffer[i].buffer= (void *) data[i];
buffer[i].is_null= &is_null[i];
}
rc= mysql_stmt_bind_result(stmt, buffer);
check_execute(stmt, rc);
rc= 1;
mysql_stmt_attr_set(stmt, STMT_ATTR_UPDATE_MAX_LENGTH, (void*)&rc);
rc= mysql_stmt_store_result(stmt);
check_execute(stmt, rc);
my_print_result_metadata(result);
mysql_field_seek(result, 0);
while ((rc= mysql_stmt_fetch(stmt)) == 0)
{
if (!opt_silent)
{
fputc('\t', stdout);
fputc('|', stdout);
}
mysql_field_seek(result, 0);
for (i= 0; i < field_count; i++)
{
field= mysql_fetch_field(result);
if (!opt_silent)
{
if (is_null[i])
fprintf(stdout, " %-*s |", (int) field->max_length, "NULL");
else if (length[i] == 0)
{
data[i][0]= '\0'; /* unmodified buffer */
fprintf(stdout, " %*s |", (int) field->max_length, data[i]);
}
else if (IS_NUM(field->type))
fprintf(stdout, " %*s |", (int) field->max_length, data[i]);
else
fprintf(stdout, " %-*s |", (int) field->max_length, data[i]);
}
}
if (!opt_silent)
{
fputc('\t', stdout);
fputc('\n', stdout);
}
row_count++;
}
DIE_UNLESS(rc == MYSQL_NO_DATA);
if (!opt_silent)
{
if (row_count)
my_print_dashes(result);
fprintf(stdout, "\n\t%d %s returned\n", row_count,
row_count == 1 ? "row" : "rows");
}
mysql_free_result(result);
return row_count;
}
/* Prepare statement, execute, and process result set for given query */
int my_stmt_result(const char *buff)
{
MYSQL_STMT *stmt;
int row_count;
int rc;
if (!opt_silent)
fprintf(stdout, "\n\n %s", buff);
stmt= mysql_simple_prepare(mysql, buff);
check_stmt(stmt);
rc= mysql_stmt_execute(stmt);
check_execute(stmt, rc);
row_count= my_process_stmt_result(stmt);
mysql_stmt_close(stmt);
return row_count;
}
/* Print the total number of warnings and the warnings themselves. */
void my_process_warnings(MYSQL *conn, unsigned expected_warning_count)
{
MYSQL_RES *result;
int rc;
if (!opt_silent)
fprintf(stdout, "\n total warnings: %u (expected: %u)\n",
mysql_warning_count(conn), expected_warning_count);
DIE_UNLESS(mysql_warning_count(mysql) == expected_warning_count);
rc= mysql_query(conn, "SHOW WARNINGS");
DIE_UNLESS(rc == 0);
result= mysql_store_result(conn);
mytest(result);
rc= my_process_result_set(result);
mysql_free_result(result);
}
/* Utility function to verify a particular column data */
static void verify_col_data(const char *table, const char *col,
const char *exp_data)
{
static char query[MAX_TEST_QUERY_LENGTH];
MYSQL_RES *result;
MYSQL_ROW row;
int rc, field= 1;
if (table && col)
{
strxmov(query, "SELECT ", col, " FROM ", table, " LIMIT 1", NullS);
if (!opt_silent)
fprintf(stdout, "\n %s", query);
rc= mysql_query(mysql, query);
myquery(rc);
field= 0;
}
result= mysql_use_result(mysql);
mytest(result);
if (!(row= mysql_fetch_row(result)) || !row[field])
{
fprintf(stdout, "\n *** ERROR: FAILED TO GET THE RESULT ***");
exit(1);
}
if (strcmp(row[field], exp_data))
{
fprintf(stdout, "\n obtained: `%s` (expected: `%s`)",
row[field], exp_data);
DIE_UNLESS(FALSE);
}
mysql_free_result(result);
}
/* Utility function to verify the field members */
#define verify_prepare_field(result,no,name,org_name,type,table,\
org_table,db,length,def) \
do_verify_prepare_field((result),(no),(name),(org_name),(type), \
(table),(org_table),(db),(length),(def), \
__FILE__, __LINE__)
static void do_verify_prepare_field(MYSQL_RES *result,
unsigned int no, const char *name,
const char *org_name,
enum enum_field_types type,
const char *table,
const char *org_table, const char *db,
unsigned long length, const char *def,
const char *file, int line)
{
MYSQL_FIELD *field;
CHARSET_INFO *cs;
ulonglong expected_field_length;
if (!(field= mysql_fetch_field_direct(result, no)))
{
fprintf(stdout, "\n *** ERROR: FAILED TO GET THE RESULT ***");
exit(1);
}
cs= get_charset(field->charsetnr, 0);
DIE_UNLESS(cs);
if ((expected_field_length= length * cs->mbmaxlen) > UINT_MAX32)
expected_field_length= UINT_MAX32;
if (!opt_silent)
{
fprintf(stdout, "\n field[%d]:", no);
fprintf(stdout, "\n name :`%s`\t(expected: `%s`)", field->name, name);
fprintf(stdout, "\n org_name :`%s`\t(expected: `%s`)",
field->org_name, org_name);
fprintf(stdout, "\n type :`%d`\t(expected: `%d`)", field->type, type);
if (table)
fprintf(stdout, "\n table :`%s`\t(expected: `%s`)",
field->table, table);
if (org_table)
fprintf(stdout, "\n org_table:`%s`\t(expected: `%s`)",
field->org_table, org_table);
fprintf(stdout, "\n database :`%s`\t(expected: `%s`)", field->db, db);
fprintf(stdout, "\n length :`%lu`\t(expected: `%llu`)",
field->length, expected_field_length);
fprintf(stdout, "\n maxlength:`%ld`", field->max_length);
fprintf(stdout, "\n charsetnr:`%d`", field->charsetnr);
fprintf(stdout, "\n default :`%s`\t(expected: `%s`)",
field->def ? field->def : "(null)", def ? def: "(null)");
fprintf(stdout, "\n");
}
DIE_UNLESS(strcmp(field->name, name) == 0);
DIE_UNLESS(strcmp(field->org_name, org_name) == 0);
/*
XXX: silent column specification change works based on number of
bytes a column occupies. So CHAR -> VARCHAR upgrade is possible even
for CHAR(2) column if its character set is multibyte.
VARCHAR -> CHAR downgrade won't work for VARCHAR(3) as one would
expect.
*/
if (cs->mbmaxlen == 1)
{
if (field->type != type)
{
fprintf(stderr,
"Expected field type: %d, got type: %d in file %s, line %d\n",
(int) type, (int) field->type, file, line);
DIE_UNLESS(field->type == type);
}
}
if (table)
DIE_UNLESS(strcmp(field->table, table) == 0);
if (org_table)
DIE_UNLESS(strcmp(field->org_table, org_table) == 0);
DIE_UNLESS(strcmp(field->db, db) == 0);
/*
Character set should be taken into account for multibyte encodings, such
as utf8. Field length is calculated as number of characters * maximum
number of bytes a character can occupy.
*/
if (length && (field->length != expected_field_length))
{
fflush(stdout);
fprintf(stderr, "Expected field length: %llu, got length: %lu\n",
expected_field_length, field->length);
fflush(stderr);
DIE_UNLESS(field->length == expected_field_length);
}
if (def)
DIE_UNLESS(strcmp(field->def, def) == 0);
}
/* Utility function to verify the parameter count */
static void verify_param_count(MYSQL_STMT *stmt, long exp_count)
{
long param_count= mysql_stmt_param_count(stmt);
if (!opt_silent)
fprintf(stdout, "\n total parameters in stmt: `%ld` (expected: `%ld`)",
param_count, exp_count);
DIE_UNLESS(param_count == exp_count);
}
/* Utility function to verify the total affected rows */
static void verify_st_affected_rows(MYSQL_STMT *stmt, ulonglong exp_count)
{
ulonglong affected_rows= mysql_stmt_affected_rows(stmt);
if (!opt_silent)
fprintf(stdout, "\n total affected rows: `%ld` (expected: `%ld`)",
(long) affected_rows, (long) exp_count);
DIE_UNLESS(affected_rows == exp_count);
}
/* Utility function to verify the total affected rows */
static void verify_affected_rows(ulonglong exp_count)
{
ulonglong affected_rows= mysql_affected_rows(mysql);
if (!opt_silent)
fprintf(stdout, "\n total affected rows: `%ld` (expected: `%ld`)",
(long) affected_rows, (long) exp_count);
DIE_UNLESS(affected_rows == exp_count);
}
/* Utility function to verify the total fields count */
static void verify_field_count(MYSQL_RES *result, uint exp_count)
{
uint field_count= mysql_num_fields(result);
if (!opt_silent)
fprintf(stdout, "\n total fields in the result set: `%d` (expected: `%d`)",
field_count, exp_count);
DIE_UNLESS(field_count == exp_count);
}
/* Utility function to execute a query using prepare-execute */
#ifndef EMBEDDED_LIBRARY
static void execute_prepare_query(const char *query, ulonglong exp_count)
{
MYSQL_STMT *stmt;
ulonglong affected_rows;
int rc;
stmt= mysql_simple_prepare(mysql, query);
check_stmt(stmt);
rc= mysql_stmt_execute(stmt);
myquery(rc);
affected_rows= mysql_stmt_affected_rows(stmt);
if (!opt_silent)
fprintf(stdout, "\n total affected rows: `%ld` (expected: `%ld`)",
(long) affected_rows, (long) exp_count);
DIE_UNLESS(affected_rows == exp_count);
mysql_stmt_close(stmt);
}
#endif
/*
Accepts arbitrary number of queries and runs them against the database.
Used to fill tables for each test.
*/
void fill_tables(const char **query_list, unsigned query_count)
{
int rc;
const char **query;
DBUG_ENTER("fill_tables");
for (query= query_list; query < query_list + query_count;
++query)
{
rc= mysql_query(mysql, *query);
myquery(rc);
}
DBUG_VOID_RETURN;
}
/*
All state of fetch from one statement: statement handle, out buffers,
fetch position.
See fetch_n for for the only use case.
*/
enum { MAX_COLUMN_LENGTH= 255 };
typedef struct st_stmt_fetch
{
const char *query;
unsigned stmt_no;
MYSQL_STMT *handle;
my_bool is_open;
MYSQL_BIND *bind_array;
char **out_data;
unsigned long *out_data_length;
unsigned column_count;
unsigned row_count;
} Stmt_fetch;
/*
Create statement handle, prepare it with statement, execute and allocate
fetch buffers.
*/
void stmt_fetch_init(Stmt_fetch *fetch, unsigned stmt_no_arg,
const char *query_arg)
{
unsigned long type= CURSOR_TYPE_READ_ONLY;
int rc;
unsigned i;
MYSQL_RES *metadata;
DBUG_ENTER("stmt_fetch_init");
/* Save query and statement number for error messages */
fetch->stmt_no= stmt_no_arg;
fetch->query= query_arg;
fetch->handle= mysql_stmt_init(mysql);
rc= mysql_stmt_prepare(fetch->handle, fetch->query, strlen(fetch->query));
check_execute(fetch->handle, rc);
/*
The attribute is sent to server on execute and asks to open read-only
for result set
*/
mysql_stmt_attr_set(fetch->handle, STMT_ATTR_CURSOR_TYPE,
(const void*) &type);
rc= mysql_stmt_execute(fetch->handle);
check_execute(fetch->handle, rc);
/* Find out total number of columns in result set */
metadata= mysql_stmt_result_metadata(fetch->handle);
fetch->column_count= mysql_num_fields(metadata);
mysql_free_result(metadata);
/*
Now allocate bind handles and buffers for output data:
calloc memory to reduce number of MYSQL_BIND members we need to
set up.