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/***********************************************************************
Copyright (c) 2009 Innobase Oy. All rights reserved.
Copyright (c) 2009 Oracle. 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
************************************************************************/
/* Simple single threaded test that does the equivalent of:
Create a database
CREATE TABLE t(c1 INT, c2 VARCHAR(10), PK(c1));
FOR I IN 1 ... 10 STEP 2
INSERT INTO t VALUES(I, CHAR('a' + I)); ...
END FOR
SELECT * FROM t;
UPDATE t SET c1 = c1 / 2;
SELECT * FROM t;
DROP TABLE t;
The test will create all the relevant sub-directories in the current
working directory. */
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef UNIV_DEBUG_VALGRIND
#include <valgrind/memcheck.h>
#endif
#include "test0aux.h"
#define DATABASE "test"
#define TABLE "t"
/*********************************************************************
Create an InnoDB database (sub-directory). */
static
ib_err_t
create_database(
/*============*/
const char* name)
{
ib_bool_t err;
err = ib_database_create(name);
assert(err == IB_TRUE);
return(DB_SUCCESS);
}
/*********************************************************************
CREATE TABLE t(c1 INT, c2 VARCHAR(10), PRIMARY KEY(c1); */
static
ib_err_t
create_table(
/*=========*/
const char* dbname, /*!< in: database name */
const char* name) /*!< in: table name */
{
ib_trx_t ib_trx;
ib_id_t table_id = 0;
ib_err_t err = DB_SUCCESS;
ib_tbl_sch_t ib_tbl_sch = NULL;
ib_idx_sch_t ib_idx_sch = NULL;
char table_name[IB_MAX_TABLE_NAME_LEN];
#ifdef __WIN__
sprintf(table_name, "%s/%s", dbname, name);
#else
snprintf(table_name, sizeof(table_name), "%s/%s", dbname, name);
#endif
/* Pass a table page size of 0, ie., use default page size. */
err = ib_table_schema_create(
table_name, &ib_tbl_sch, IB_TBL_COMPACT, 0);
assert(err == DB_SUCCESS);
err = ib_table_schema_add_col(
ib_tbl_sch, "c1", IB_INT, IB_COL_NONE, 0, 4);
assert(err == DB_SUCCESS);
err = ib_table_schema_add_col(
ib_tbl_sch, "c2", IB_VARCHAR, IB_COL_NONE, 0, 10);
assert(err == DB_SUCCESS);
err = ib_table_schema_add_index(ib_tbl_sch, "c1", &ib_idx_sch);
assert(err == DB_SUCCESS);
/* Set prefix length to 0. */
err = ib_index_schema_add_col( ib_idx_sch, "c1", 0);
assert(err == DB_SUCCESS);
err = ib_index_schema_set_clustered(ib_idx_sch);
assert(err == DB_SUCCESS);
/* Create the table */
ib_trx = ib_trx_begin(IB_TRX_REPEATABLE_READ);
err = ib_schema_lock_exclusive(ib_trx);
assert(err == DB_SUCCESS);
err = ib_table_create(ib_trx, ib_tbl_sch, &table_id);
assert(err == DB_SUCCESS);
err = ib_trx_commit(ib_trx);
assert(err == DB_SUCCESS);
if (ib_tbl_sch != NULL) {
ib_table_schema_delete(ib_tbl_sch);
}
return(err);
}
/*********************************************************************
Open a table and return a cursor for the table. */
static
ib_err_t
open_table(
/*=======*/
const char* dbname, /*!< in: database name */
const char* name, /*!< in: table name */
ib_trx_t ib_trx, /*!< in: transaction */
ib_crsr_t* crsr) /*!< out: innodb cursor */
{
ib_err_t err = DB_SUCCESS;
char table_name[IB_MAX_TABLE_NAME_LEN];
#ifdef __WIN__
sprintf(table_name, "%s/%s", dbname, name);
#else
snprintf(table_name, sizeof(table_name), "%s/%s", dbname, name);
#endif
err = ib_cursor_open_table(table_name, ib_trx, crsr);
assert(err == DB_SUCCESS);
return(err);
}
/*********************************************************************
INSERT INTO T VALUE(I, CHAR('a' + I)); */
static
ib_err_t
insert_rows(
/*========*/
ib_crsr_t crsr) /*!< in, out: cursor to use for write */
{
int i;
char ptr[] = "a";
ib_tpl_t tpl = NULL;
ib_err_t err = DB_ERROR;
tpl = ib_clust_read_tuple_create(crsr);
assert(tpl != NULL);
for (i = 0; i < 10; i += 2, ++*ptr) {
err = ib_tuple_write_i32(tpl, 0, i);
assert(err == DB_SUCCESS);
err = ib_col_set_value(tpl, 1, ptr, 1);
assert(err == DB_SUCCESS);
err = ib_cursor_insert_row(crsr, tpl);
assert(err == DB_SUCCESS);
}
if (tpl != NULL) {
ib_tuple_delete(tpl);
}
return(err);
}
/*********************************************************************
UPDATE t SET c1 = c1 / 2; */
static
ib_err_t
update_rows(
/*========*/
ib_crsr_t crsr)
{
ib_err_t err;
ib_tpl_t old_tpl = NULL;
ib_tpl_t new_tpl = NULL;
/* Set the record lock mode, since we are doing a SELECT FOR UPDATE */
err = ib_cursor_set_lock_mode(crsr, IB_LOCK_X);
assert(err == DB_SUCCESS);
/* Prepare for a table scan. */
err = ib_cursor_first(crsr);
assert(err == DB_SUCCESS);
/* Create the tuple instance that we will use to update the
table. old_tpl is used for reading the existing row and
new_tpl will contain the update row data. */
old_tpl = ib_clust_read_tuple_create(crsr);
assert(old_tpl != NULL);
new_tpl = ib_clust_read_tuple_create(crsr);
assert(new_tpl != NULL);
/* Iterate over the records and update all records read. */
while (err == DB_SUCCESS) {
int c1;
err = ib_cursor_read_row(crsr, old_tpl);
assert(err == DB_SUCCESS);
/* Copy the old contents to the new tuple. */
err = ib_tuple_copy(new_tpl, old_tpl);
/* Get the first column value. */
err = ib_tuple_read_i32(new_tpl, 0, &c1);
assert(err == DB_SUCCESS);
c1 /= 2;
/* Set the updated value in the new tuple. */
err = ib_tuple_write_i32(new_tpl, 0, c1);
assert(err == DB_SUCCESS);
err = ib_cursor_update_row(crsr, old_tpl, new_tpl);
assert(err == DB_SUCCESS);
/* Move to the next record to update. */
err = ib_cursor_next(crsr);
}
assert(err == DB_END_OF_INDEX || err == DB_RECORD_NOT_FOUND);
if (old_tpl != NULL) {
ib_tuple_delete(old_tpl);
}
if (new_tpl != NULL) {
ib_tuple_delete(new_tpl);
}
return(DB_SUCCESS);
}
/*********************************************************************
SELECT * FROM T; */
static
ib_err_t
do_query(
/*=====*/
ib_crsr_t crsr)
{
ib_err_t err;
ib_tpl_t tpl;
tpl = ib_clust_read_tuple_create(crsr);
assert(tpl != NULL);
err = ib_cursor_first(crsr);
assert(err == DB_SUCCESS);
while (err == DB_SUCCESS) {
err = ib_cursor_read_row(crsr, tpl);
assert(err == DB_SUCCESS
|| err == DB_END_OF_INDEX
|| err == DB_RECORD_NOT_FOUND);
if (err == DB_RECORD_NOT_FOUND || err == DB_END_OF_INDEX) {
break;
}
print_tuple(stdout, tpl);
err = ib_cursor_next(crsr);
assert(err == DB_SUCCESS
|| err == DB_END_OF_INDEX
|| err == DB_RECORD_NOT_FOUND);
}
if (tpl != NULL) {
ib_tuple_delete(tpl);
}
if (err == DB_RECORD_NOT_FOUND || err == DB_END_OF_INDEX) {
err = DB_SUCCESS;
}
return(err);
}
int main(int argc, char* argv[])
{
ib_err_t err;
ib_crsr_t crsr;
ib_trx_t ib_trx;
ib_u64_t version;
version = ib_api_version();
printf("API: %d.%d.%d\n",
(int) (version >> 32), /* Current version */
(int) ((version >> 16)) & 0xffff, /* Revisiion */
(int) (version & 0xffff)); /* Age */
err = ib_init();
assert(err == DB_SUCCESS);
test_configure();
err = ib_startup("barracuda");
assert(err == DB_SUCCESS);
err = create_database(DATABASE);
assert(err == DB_SUCCESS);
err = create_table(DATABASE, TABLE);
assert(err == DB_SUCCESS);
ib_trx = ib_trx_begin(IB_TRX_REPEATABLE_READ);
assert(ib_trx != NULL);
err = open_table(DATABASE, TABLE, ib_trx, &crsr);
assert(err == DB_SUCCESS);
err = ib_cursor_lock(crsr, IB_LOCK_IX);
assert(err == DB_SUCCESS);
err = insert_rows(crsr);
assert(err == DB_SUCCESS);
err = do_query(crsr);
assert(err == DB_SUCCESS);
printf("Update all the rows\n");
err = update_rows(crsr);
assert(err == DB_SUCCESS);
err = do_query(crsr);
assert(err == DB_SUCCESS);
err = ib_cursor_close(crsr);
assert(err == DB_SUCCESS);
crsr = NULL;
err = ib_trx_commit(ib_trx);
assert(err == DB_SUCCESS);
err = drop_table(DATABASE, TABLE);
assert(err == DB_SUCCESS);
err = ib_shutdown(IB_SHUTDOWN_NORMAL);
assert(err == DB_SUCCESS);
#ifdef UNIV_DEBUG_VALGRIND
VALGRIND_DO_LEAK_CHECK;
#endif
return(EXIT_SUCCESS);
}
