/* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. The MySQL Connector/C is licensed under the terms of the GPLv2 , like most MySQL Connectors. There are special exceptions to the terms and conditions of the GPLv2 as it is applied to this software, see the FLOSS License Exception . 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 St, Fifth Floor, Boston, MA 02110-1301 USA */ #include "my_test.h" /* helper functions */ 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; MYSQL_STMT *open_cursor(MYSQL *mysql, const char *query) { int rc; const ulong type= (ulong)CURSOR_TYPE_READ_ONLY; MYSQL_STMT *stmt= mysql_stmt_init(mysql); rc= mysql_stmt_prepare(stmt, SL(query)); if (rc) { diag("Error: %s", mysql_stmt_error(stmt)); return NULL; } mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (void*) &type); return stmt; } /* Create statement handle, prepare it with statement, execute and allocate fetch buffers. */ int stmt_fetch_init(MYSQL *mysql, Stmt_fetch *fetch, unsigned int stmt_no_arg, const char *query_arg) { unsigned long type= CURSOR_TYPE_READ_ONLY; int rc; unsigned int i; MYSQL_RES *metadata; /* 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, SL(fetch->query)); FAIL_IF(rc, mysql_stmt_error(fetch->handle)); /* 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); FAIL_IF(rc, mysql_stmt_error(fetch->handle)); /* 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. */ fetch->bind_array= (MYSQL_BIND *) calloc(1, sizeof(MYSQL_BIND) * fetch->column_count); fetch->out_data= (char**) calloc(1, sizeof(char*) * fetch->column_count); fetch->out_data_length= (ulong*) calloc(1, sizeof(ulong) * fetch->column_count); for (i= 0; i < fetch->column_count; ++i) { fetch->out_data[i]= (char*) calloc(1, MAX_COLUMN_LENGTH); fetch->bind_array[i].buffer_type= MYSQL_TYPE_STRING; fetch->bind_array[i].buffer= fetch->out_data[i]; fetch->bind_array[i].buffer_length= MAX_COLUMN_LENGTH; fetch->bind_array[i].length= fetch->out_data_length + i; } mysql_stmt_bind_result(fetch->handle, fetch->bind_array); fetch->row_count= 0; fetch->is_open= TRUE; /* Ready for reading rows */ return OK; } int fill_tables(MYSQL *mysql, const char **query_list, unsigned query_count) { int rc; const char **query; for (query= query_list; query < query_list + query_count; ++query) { rc= mysql_query(mysql, *query); check_mysql_rc(rc, mysql); } return OK; } int stmt_fetch_fetch_row(Stmt_fetch *fetch) { int rc; unsigned i; if ((rc= mysql_stmt_fetch(fetch->handle)) == 0) { ++fetch->row_count; for (i= 0; i < fetch->column_count; ++i) { fetch->out_data[i][fetch->out_data_length[i]]= '\0'; } } else fetch->is_open= FALSE; return rc; } void stmt_fetch_close(Stmt_fetch *fetch) { unsigned i; for (i= 0; i < fetch->column_count; ++i) free(fetch->out_data[i]); free(fetch->out_data); free(fetch->out_data_length); free(fetch->bind_array); mysql_stmt_close(fetch->handle); } enum fetch_type { USE_ROW_BY_ROW_FETCH= 0, USE_STORE_RESULT= 1 }; int fetch_n(MYSQL *mysql, const char **query_list, unsigned query_count, enum fetch_type fetch_type) { unsigned open_statements= query_count; int rc, error_count= 0; Stmt_fetch *fetch_array= (Stmt_fetch*) calloc(1, sizeof(Stmt_fetch) * query_count); Stmt_fetch *fetch; for (fetch= fetch_array; fetch < fetch_array + query_count; ++fetch) { if (stmt_fetch_init(mysql, fetch, (unsigned int)(fetch - fetch_array), query_list[fetch - fetch_array])) return FAIL; } if (fetch_type == USE_STORE_RESULT) { for (fetch= fetch_array; fetch < fetch_array + query_count; ++fetch) { rc= mysql_stmt_store_result(fetch->handle); FAIL_IF(rc, mysql_stmt_error(fetch->handle)); } } while (open_statements) { for (fetch= fetch_array; fetch < fetch_array + query_count; ++fetch) { if (fetch->is_open && (rc= stmt_fetch_fetch_row(fetch))) { open_statements--; /* We try to fetch from the rest of the statements in case of error */ if (rc != MYSQL_NO_DATA) error_count++; } } } if (!error_count) { unsigned total_row_count= 0; for (fetch= fetch_array; fetch < fetch_array + query_count; ++fetch) total_row_count+= fetch->row_count; } for (fetch= fetch_array; fetch < fetch_array + query_count; ++fetch) stmt_fetch_close(fetch); free(fetch_array); return (error_count) ? FAIL:OK; } static int test_basic_cursors(MYSQL *mysql) { const char *basic_tables[]= { "DROP TABLE IF EXISTS t1, t2", "CREATE TABLE t1 " "(id INTEGER NOT NULL PRIMARY KEY, " " name VARCHAR(20) NOT NULL)", "INSERT INTO t1 (id, name) VALUES " " (2, 'Ja'), (3, 'Ede'), " " (4, 'Haag'), (5, 'Kabul'), " " (6, 'Almere'), (7, 'Utrecht'), " " (8, 'Qandahar'), (9, 'Amsterdam'), " " (10, 'Amersfoort'), (11, 'Constantine')", "CREATE TABLE t2 " "(id INTEGER NOT NULL PRIMARY KEY, " " name VARCHAR(20) NOT NULL)", "INSERT INTO t2 (id, name) VALUES " " (4, 'Guam'), (5, 'Aruba'), " " (6, 'Angola'), (7, 'Albania'), " " (8, 'Anguilla'), (9, 'Argentina'), " " (10, 'Azerbaijan'), (11, 'Afghanistan'), " " (12, 'Burkina Faso'), (13, 'Faroe Islands')" }; const char *queries[]= { "SELECT * FROM t1", "SELECT * FROM t2" }; FAIL_IF(fill_tables(mysql, basic_tables, sizeof(basic_tables)/sizeof(*basic_tables)), "fill_tables failed"); FAIL_IF(fetch_n(mysql, queries, sizeof(queries)/sizeof(*queries), USE_ROW_BY_ROW_FETCH), "fetch_n failed"); FAIL_IF(fetch_n(mysql, queries, sizeof(queries)/sizeof(*queries), USE_STORE_RESULT), "fetch_n failed"); return OK; } static int test_cursors_with_union(MYSQL *mysql) { const char *queries[]= { "SELECT t1.name FROM t1 UNION SELECT t2.name FROM t2", "SELECT t1.id FROM t1 WHERE t1.id < 5" }; FAIL_IF(fetch_n(mysql, queries, sizeof(queries)/sizeof(*queries), USE_ROW_BY_ROW_FETCH), "fetch_n failed"); FAIL_IF(fetch_n(mysql, queries, sizeof(queries)/sizeof(*queries), USE_STORE_RESULT), "fetch_n failed"); return OK; } static int test_cursors_with_procedure(MYSQL *mysql) { const char *queries[]= { "SELECT * FROM t1 procedure analyse()" }; SKIP_MYSQL(mysql); FAIL_IF(fetch_n(mysql, queries, sizeof(queries)/sizeof(*queries), USE_ROW_BY_ROW_FETCH), "fetch_n failed"); FAIL_IF(fetch_n(mysql, queries, sizeof(queries)/sizeof(*queries), USE_STORE_RESULT), "fetch_n failed"); return OK; } /* Bug#21206: memory corruption when too many cursors are opened at once Memory corruption happens when more than 1024 cursors are open simultaneously. */ static int test_bug21206(MYSQL *mysql) { int retcode= OK; const size_t cursor_count= 1025; const char *create_table[]= { "DROP TABLE IF EXISTS t1", "CREATE TABLE t1 (i INT)", "INSERT INTO t1 VALUES (1), (2), (3)" }; const char *query= "SELECT * FROM t1"; Stmt_fetch *fetch_array= (Stmt_fetch*) calloc(cursor_count, sizeof(Stmt_fetch)); Stmt_fetch *fetch; FAIL_IF(fill_tables(mysql, create_table, sizeof(create_table) / sizeof(*create_table)), "fill_tables failed"); for (fetch= fetch_array; fetch < fetch_array + cursor_count; ++fetch) { if ((retcode= stmt_fetch_init(mysql, fetch, (unsigned int)(fetch - fetch_array), query))) break; } for (fetch= fetch_array; fetch < fetch_array + cursor_count; ++fetch) stmt_fetch_close(fetch); free(fetch_array); return retcode; } static int test_bug10729(MYSQL *mysql) { MYSQL_STMT *stmt; MYSQL_BIND my_bind[1]; char a[21]; int rc; const char *stmt_text; int i= 0; const char *name_array[3]= { "aaa", "bbb", "ccc" }; ulong type; mysql_query(mysql, "drop table if exists t1"); mysql_query(mysql, "create table t1 (id integer not null primary key," "name VARCHAR(20) NOT NULL)"); rc= mysql_query(mysql, "insert into t1 (id, name) values " "(1, 'aaa'), (2, 'bbb'), (3, 'ccc')"); check_mysql_rc(rc, mysql); stmt= mysql_stmt_init(mysql); FAIL_IF(!stmt, mysql_error(mysql)); type= (ulong) CURSOR_TYPE_READ_ONLY; rc= mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (void*) &type); check_stmt_rc(rc, stmt); stmt_text= "select name from t1"; rc= mysql_stmt_prepare(stmt, SL(stmt_text)); check_stmt_rc(rc, stmt); memset(my_bind, '\0', sizeof(my_bind)); my_bind[0].buffer_type= MYSQL_TYPE_STRING; my_bind[0].buffer= (void*) a; my_bind[0].buffer_length= sizeof(a); mysql_stmt_bind_result(stmt, my_bind); for (i= 0; i < 3; i++) { int row_no= 0; rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); while ((rc= mysql_stmt_fetch(stmt)) == 0) { FAIL_UNLESS(strcmp(a, name_array[row_no]) == 0, "a != name_array[row_no]"); ++row_no; } FAIL_UNLESS(rc == MYSQL_NO_DATA, "rc != MYSQL_NO_DATA"); } rc= mysql_stmt_close(stmt); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); return OK; } /* Bug#10736: cursors and subqueries, memroot management */ static int test_bug10736(MYSQL *mysql) { MYSQL_STMT *stmt; MYSQL_BIND my_bind[1]; char a[21]; int rc; const char *stmt_text; int i= 0; ulong type; rc= mysql_query(mysql, "drop table if exists t1"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "create table t1 (id integer not null primary key," "name VARCHAR(20) NOT NULL)"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "insert into t1 (id, name) values " "(1, 'aaa'), (2, 'bbb'), (3, 'ccc')"); check_mysql_rc(rc, mysql); stmt= mysql_stmt_init(mysql); type= (ulong) CURSOR_TYPE_READ_ONLY; rc= mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (void*) &type); check_stmt_rc(rc, stmt); stmt_text= "select name from t1 where name=(select name from t1 where id=2)"; rc= mysql_stmt_prepare(stmt, SL(stmt_text)); check_stmt_rc(rc, stmt); memset(my_bind, '\0', sizeof(my_bind)); my_bind[0].buffer_type= MYSQL_TYPE_STRING; my_bind[0].buffer= (void*) a; my_bind[0].buffer_length= sizeof(a); mysql_stmt_bind_result(stmt, my_bind); for (i= 0; i < 3; i++) { int row_no= 0; rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); while ((rc= mysql_stmt_fetch(stmt)) == 0) ++row_no; FAIL_UNLESS(rc == MYSQL_NO_DATA, "rc != MYSQL_NO_DATA"); } rc= mysql_stmt_close(stmt); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); return OK; } /* Bug#10794: cursors, packets out of order */ static int test_bug10794(MYSQL *mysql) { MYSQL_STMT *stmt, *stmt1; MYSQL_BIND my_bind[2]; char a[21]; int id_val; ulong a_len; int rc; const char *stmt_text; int i= 0; ulong type; rc= mysql_query(mysql, "drop table if exists t1"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "create table t1 (id integer not null primary key," "name varchar(20) not null)"); check_mysql_rc(rc, mysql); stmt= mysql_stmt_init(mysql); stmt_text= "insert into t1 (id, name) values (?, ?)"; rc= mysql_stmt_prepare(stmt, SL(stmt_text)); check_stmt_rc(rc, stmt); memset(my_bind, '\0', sizeof(my_bind)); my_bind[0].buffer_type= MYSQL_TYPE_LONG; my_bind[0].buffer= (void*) &id_val; my_bind[1].buffer_type= MYSQL_TYPE_STRING; my_bind[1].buffer= (void*) a; my_bind[1].length= &a_len; rc= mysql_stmt_bind_param(stmt, my_bind); check_stmt_rc(rc, stmt); for (i= 0; i < 42; i++) { id_val= (i+1)*10; sprintf(a, "a%d", i); a_len= (unsigned long)strlen(a); /* safety against broken sprintf */ rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); } stmt_text= "select name from t1"; rc= mysql_stmt_prepare(stmt, SL(stmt_text)); type= (ulong) CURSOR_TYPE_READ_ONLY; mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (const void*) &type); stmt1= mysql_stmt_init(mysql); mysql_stmt_attr_set(stmt1, STMT_ATTR_CURSOR_TYPE, (const void*) &type); memset(my_bind, '\0', sizeof(my_bind)); my_bind[0].buffer_type= MYSQL_TYPE_STRING; my_bind[0].buffer= (void*) a; my_bind[0].buffer_length= sizeof(a); my_bind[0].length= &a_len; rc= mysql_stmt_bind_result(stmt, my_bind); check_stmt_rc(rc, stmt); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_fetch(stmt); check_stmt_rc(rc, stmt); /* Don't optimize: an attribute of the original test case */ mysql_stmt_free_result(stmt); mysql_stmt_reset(stmt); stmt_text= "select name from t1 where id=10"; rc= mysql_stmt_prepare(stmt1, SL(stmt_text)); check_stmt_rc(rc, stmt1); rc= mysql_stmt_bind_result(stmt1, my_bind); check_stmt_rc(rc, stmt1); rc= mysql_stmt_execute(stmt1); check_stmt_rc(rc, stmt1); while (1) { rc= mysql_stmt_fetch(stmt1); if (rc == MYSQL_NO_DATA) { break; } check_stmt_rc(rc, stmt1); } mysql_stmt_close(stmt); mysql_stmt_close(stmt1); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); return OK; } /* Bug#10760: cursors, crash in a fetch after rollback. */ static int test_bug10760(MYSQL *mysql) { MYSQL_STMT *stmt; MYSQL_BIND my_bind[1]; int rc; const char *stmt_text; char id_buf[20]; ulong id_len; int i= 0; ulong type; rc= mysql_query(mysql, "drop table if exists t1, t2"); check_mysql_rc(rc, mysql); /* create tables */ rc= mysql_query(mysql, "create table t1 (id integer not null primary key)" " engine=MyISAM"); check_mysql_rc(rc, mysql);; for (; i < 42; ++i) { char buf[100]; sprintf(buf, "insert into t1 (id) values (%d)", i+1); rc= mysql_query(mysql, buf); check_mysql_rc(rc, mysql);; } mysql_autocommit(mysql, FALSE); /* create statement */ stmt= mysql_stmt_init(mysql); type= (ulong) CURSOR_TYPE_READ_ONLY; mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (const void*) &type); /* 1: check that a deadlock within the same connection is resolved and an error is returned. The deadlock is modelled as follows: con1: open cursor for select * from t1; con1: insert into t1 (id) values (1) */ stmt_text= "select id from t1 order by 1"; rc= mysql_stmt_prepare(stmt, SL(stmt_text)); check_stmt_rc(rc, stmt);; rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt);; rc= mysql_query(mysql, "update t1 set id=id+100"); /* If cursors are not materialized, the update will return an error; we mainly test that it won't deadlock. */ /* FAIL_IF(!rc, "Error expected"); */ /* 2: check that MyISAM tables used in cursors survive COMMIT/ROLLBACK. */ rc= mysql_rollback(mysql); /* should not close the cursor */ check_mysql_rc(rc, mysql);; rc= mysql_stmt_fetch(stmt); check_stmt_rc(rc, stmt);; /* 3: check that cursors to InnoDB tables are closed (for now) by COMMIT/ROLLBACK. */ if (check_variable(mysql, "@@have_innodb", "YES")) { stmt_text= "select id from t1 order by 1"; rc= mysql_stmt_prepare(stmt, SL(stmt_text)); check_stmt_rc(rc, stmt);; rc= mysql_query(mysql, "alter table t1 engine=InnoDB"); check_mysql_rc(rc, mysql);; memset(my_bind, '\0', sizeof(my_bind)); my_bind[0].buffer_type= MYSQL_TYPE_STRING; my_bind[0].buffer= (void*) id_buf; my_bind[0].buffer_length= sizeof(id_buf); my_bind[0].length= &id_len; check_stmt_rc(rc, stmt);; mysql_stmt_bind_result(stmt, my_bind); rc= mysql_stmt_execute(stmt); rc= mysql_stmt_fetch(stmt); FAIL_UNLESS(rc == 0, "rc != 0"); rc= mysql_rollback(mysql); /* should close the cursor */ } mysql_stmt_close(stmt); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); rc= mysql_autocommit(mysql, TRUE); /* restore default */ check_mysql_rc(rc, mysql); return OK; } /* Bug#11172: cursors, crash on a fetch from a datetime column */ static int test_bug11172(MYSQL *mysql) { MYSQL_STMT *stmt; MYSQL_BIND bind_in[1], bind_out[2]; MYSQL_TIME hired; int rc; const char *stmt_text; int i= 0, id; ulong type; rc= mysql_query(mysql, "drop table if exists t1"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "create table t1 (id integer not null primary key," "hired date not null)"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "insert into t1 (id, hired) values (1, '1933-08-24'), " "(2, '1965-01-01'), (3, '1949-08-17'), (4, '1945-07-07'), " "(5, '1941-05-15'), (6, '1978-09-15'), (7, '1936-03-28')"); check_mysql_rc(rc, mysql); stmt= mysql_stmt_init(mysql); FAIL_IF(!stmt, mysql_error(mysql)); stmt_text= "SELECT id, hired FROM t1 WHERE hired=?"; rc= mysql_stmt_prepare(stmt, SL(stmt_text)); check_stmt_rc(rc, stmt); type= (ulong) CURSOR_TYPE_READ_ONLY; mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (const void*) &type); memset(bind_in, '\0', sizeof(bind_in)); memset(bind_out, '\0', sizeof(bind_out)); memset(&hired, '\0', sizeof(hired)); hired.year= 1965; hired.month= 1; hired.day= 1; bind_in[0].buffer_type= MYSQL_TYPE_DATE; bind_in[0].buffer= (void*) &hired; bind_in[0].buffer_length= sizeof(hired); bind_out[0].buffer_type= MYSQL_TYPE_LONG; bind_out[0].buffer= (void*) &id; bind_out[1]= bind_in[0]; for (i= 0; i < 3; i++) { rc= mysql_stmt_bind_param(stmt, bind_in); check_stmt_rc(rc, stmt); rc= mysql_stmt_bind_result(stmt, bind_out); check_stmt_rc(rc, stmt); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); while ((rc= mysql_stmt_fetch(stmt)) == 0); FAIL_UNLESS(rc == MYSQL_NO_DATA, "rc != MYSQL_NO_DATA"); if (!mysql_stmt_free_result(stmt)) mysql_stmt_reset(stmt); } mysql_stmt_close(stmt); mysql_rollback(mysql); mysql_rollback(mysql); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); return OK; } /* Bug#11656: cursors, crash on a fetch from a query with distinct. */ static int test_bug11656(MYSQL *mysql) { MYSQL_STMT *stmt; MYSQL_BIND my_bind[2]; int rc; const char *stmt_text; char buf[2][20]; int i= 0; ulong type; rc= mysql_query(mysql, "drop table if exists t1"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "create table t1 (" "server varchar(40) not null, " "test_kind varchar(1) not null, " "test_id varchar(30) not null , " "primary key (server,test_kind,test_id))"); check_mysql_rc(rc, mysql); stmt_text= "select distinct test_kind, test_id from t1 " "where server in (?, ?)"; stmt= mysql_stmt_init(mysql); FAIL_IF(!stmt, mysql_error(mysql)); rc= mysql_stmt_prepare(stmt, SL(stmt_text)); check_stmt_rc(rc, stmt); type= (ulong) CURSOR_TYPE_READ_ONLY; mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (const void*) &type); memset(my_bind, '\0', sizeof(my_bind)); strcpy(buf[0], "pcint502_MY2"); strcpy(buf[1], "*"); for (i=0; i < 2; i++) { my_bind[i].buffer_type= MYSQL_TYPE_STRING; my_bind[i].buffer= (uchar* *)&buf[i]; my_bind[i].buffer_length= (unsigned long)strlen(buf[i]); } rc= mysql_stmt_bind_param(stmt, my_bind); check_stmt_rc(rc, stmt); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_fetch(stmt); FAIL_UNLESS(rc == MYSQL_NO_DATA, "rc != MYSQL_NO_DATA"); mysql_stmt_close(stmt); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); return OK; } /* Cursors: opening a cursor to a compilicated query with ORDER BY */ static int test_bug11901(MYSQL *mysql) { MYSQL_STMT *stmt; MYSQL_BIND my_bind[2]; int rc; char workdept[20]; ulong workdept_len; uint32 empno; const ulong type= (ulong)CURSOR_TYPE_READ_ONLY; const char *stmt_text; stmt_text= "drop table if exists t1, t2"; rc= mysql_real_query(mysql, SL(stmt_text)); check_mysql_rc(rc, mysql); stmt_text= "create table t1 (" " empno int(11) not null, firstname varchar(20) not null," " midinit varchar(20) not null, lastname varchar(20) not null," " workdept varchar(6) not null, salary double not null," " bonus float not null, primary key (empno), " " unique key (workdept, empno) " ") default charset=latin1 collate=latin1_bin"; rc= mysql_real_query(mysql, SL(stmt_text)); check_mysql_rc(rc, mysql); stmt_text= "insert into t1 values " "(10, 'CHRISTINE', 'I', 'HAAS', 'A00', 52750, 1000)," "(20, 'MICHAEL', 'L', 'THOMPSON', 'B01', 41250, 800), " "(30, 'SALLY', 'A', 'KWAN', 'C01', 38250, 800), " "(50, 'JOHN', 'B', 'GEYER', 'E01', 40175, 800), " "(60, 'IRVING', 'F', 'STERN', 'D11', 32250, 500), " "(70, 'EVA', 'D', 'PULASKI', 'D21', 36170, 700), " "(90, 'EILEEN', 'W', 'HENDERSON', 'E11', 29750, 600), " "(100, 'THEODORE', 'Q', 'SPENSER', 'E21', 26150, 500), " "(110, 'VINCENZO', 'G', 'LUCCHESSI', 'A00', 46500, 900), " "(120, 'SEAN', '', 'O\\'CONNELL', 'A00', 29250, 600), " "(130, 'DOLORES', 'M', 'QUINTANA', 'C01', 23800, 500), " "(140, 'HEATHER', 'A', 'NICHOLLS', 'C01', 28420, 600), " "(150, 'BRUCE', '', 'ADAMSON', 'D11', 25280, 500), " "(160, 'ELIZABETH', 'R', 'PIANKA', 'D11', 22250, 400), " "(170, 'MASATOSHI', 'J', 'YOSHIMURA', 'D11', 24680, 500), " "(180, 'MARILYN', 'S', 'SCOUTTEN', 'D11', 21340, 500), " "(190, 'JAMES', 'H', 'WALKER', 'D11', 20450, 400), " "(200, 'DAVID', '', 'BROWN', 'D11', 27740, 600), " "(210, 'WILLIAM', 'T', 'JONES', 'D11', 18270, 400), " "(220, 'JENNIFER', 'K', 'LUTZ', 'D11', 29840, 600), " "(230, 'JAMES', 'J', 'JEFFERSON', 'D21', 22180, 400), " "(240, 'SALVATORE', 'M', 'MARINO', 'D21', 28760, 600), " "(250, 'DANIEL', 'S', 'SMITH', 'D21', 19180, 400), " "(260, 'SYBIL', 'P', 'JOHNSON', 'D21', 17250, 300), " "(270, 'MARIA', 'L', 'PEREZ', 'D21', 27380, 500), " "(280, 'ETHEL', 'R', 'SCHNEIDER', 'E11', 26250, 500), " "(290, 'JOHN', 'R', 'PARKER', 'E11', 15340, 300), " "(300, 'PHILIP', 'X', 'SMITH', 'E11', 17750, 400), " "(310, 'MAUDE', 'F', 'SETRIGHT', 'E11', 15900, 300), " "(320, 'RAMLAL', 'V', 'MEHTA', 'E21', 19950, 400), " "(330, 'WING', '', 'LEE', 'E21', 25370, 500), " "(340, 'JASON', 'R', 'GOUNOT', 'E21', 23840, 500)"; rc= mysql_real_query(mysql, SL(stmt_text)); check_mysql_rc(rc, mysql); stmt_text= "create table t2 (" " deptno varchar(6) not null, deptname varchar(20) not null," " mgrno int(11) not null, location varchar(20) not null," " admrdept varchar(6) not null, refcntd int(11) not null," " refcntu int(11) not null, primary key (deptno)" ") default charset=latin1 collate=latin1_bin"; rc= mysql_real_query(mysql, SL(stmt_text)); check_mysql_rc(rc, mysql); stmt_text= "insert into t2 values " "('A00', 'SPIFFY COMPUTER SERV', 10, '', 'A00', 0, 0), " "('B01', 'PLANNING', 20, '', 'A00', 0, 0), " "('C01', 'INFORMATION CENTER', 30, '', 'A00', 0, 0), " "('D01', 'DEVELOPMENT CENTER', 0, '', 'A00', 0, 0)," "('D11', 'MANUFACTURING SYSTEM', 60, '', 'D01', 0, 0), " "('D21', 'ADMINISTRATION SYSTE', 70, '', 'D01', 0, 0), " "('E01', 'SUPPORT SERVICES', 50, '', 'A00', 0, 0), " "('E11', 'OPERATIONS', 90, '', 'E01', 0, 0), " "('E21', 'SOFTWARE SUPPORT', 100,'', 'E01', 0, 0)"; rc= mysql_real_query(mysql, SL(stmt_text)); check_mysql_rc(rc, mysql); stmt_text= "select t1.empno, t1.workdept " "from (t1 left join t2 on t2.deptno = t1.workdept) " "where t2.deptno in " " (select t2.deptno " " from (t1 left join t2 on t2.deptno = t1.workdept) " " where t1.empno = ?) " "order by 1"; stmt= mysql_stmt_init(mysql); FAIL_IF(!stmt, mysql_error(mysql)); rc= mysql_stmt_prepare(stmt, SL(stmt_text)); check_stmt_rc(rc, stmt); mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (void*) &type); check_stmt_rc(rc, stmt); memset(my_bind, '\0', sizeof(my_bind)); my_bind[0].buffer_type= MYSQL_TYPE_LONG; my_bind[0].buffer= &empno; rc= mysql_stmt_bind_param(stmt, my_bind); check_stmt_rc(rc, stmt); my_bind[1].buffer_type= MYSQL_TYPE_VAR_STRING; my_bind[1].buffer= (void*) workdept; my_bind[1].buffer_length= sizeof(workdept); my_bind[1].length= &workdept_len; rc= mysql_stmt_bind_result(stmt, my_bind); check_stmt_rc(rc, stmt); empno= 10; /* ERROR: next statement causes a server crash */ rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); mysql_stmt_close(stmt); rc= mysql_query(mysql, "drop table t1, t2"); check_mysql_rc(rc, mysql); return OK; } /* Bug#11904: mysql_stmt_attr_set CURSOR_TYPE_READ_ONLY grouping wrong result */ static int test_bug11904(MYSQL *mysql) { MYSQL_STMT *stmt1; int rc; const char *stmt_text; const ulong type= (ulong)CURSOR_TYPE_READ_ONLY; MYSQL_BIND my_bind[2]; int country_id=0; char row_data[11]= {0}; /* create tables */ rc= mysql_query(mysql, "DROP TABLE IF EXISTS bug11904b"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "CREATE TABLE bug11904b (id int, name char(10), primary key(id, name))"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "INSERT INTO bug11904b VALUES (1, 'sofia'), (1,'plovdiv')," " (1,'varna'), (2,'LA'), (2,'new york'), (3,'heidelberg')," " (3,'berlin'), (3, 'frankfurt')"); check_mysql_rc(rc, mysql); mysql_commit(mysql); /* create statement */ stmt1= mysql_stmt_init(mysql); mysql_stmt_attr_set(stmt1, STMT_ATTR_CURSOR_TYPE, (const void*) &type); stmt_text= "SELECT id, MIN(name) FROM bug11904b GROUP BY id ORDER BY id"; rc= mysql_stmt_prepare(stmt1, SL(stmt_text)); check_stmt_rc(rc, stmt1); memset(my_bind, 0, sizeof(my_bind)); my_bind[0].buffer_type= MYSQL_TYPE_LONG; my_bind[0].buffer=& country_id; my_bind[0].buffer_length= 0; my_bind[0].length= 0; my_bind[1].buffer_type= MYSQL_TYPE_STRING; my_bind[1].buffer=& row_data; my_bind[1].buffer_length= sizeof(row_data) - 1; my_bind[1].length= 0; rc= mysql_stmt_bind_result(stmt1, my_bind); check_stmt_rc(rc, stmt1); rc= mysql_stmt_execute(stmt1); check_stmt_rc(rc, stmt1); rc= mysql_stmt_fetch(stmt1); check_stmt_rc(rc, stmt1); FAIL_UNLESS(country_id == 1, "country_id != 1"); FAIL_UNLESS(memcmp(row_data, "plovdiv", 7) == 0, "row_data != 'plovdiv'"); rc= mysql_stmt_fetch(stmt1); check_stmt_rc(rc, stmt1); FAIL_UNLESS(country_id == 2, "country_id != 2"); FAIL_UNLESS(memcmp(row_data, "LA", 2) == 0, "row_data != 'LA'"); rc= mysql_stmt_fetch(stmt1); check_stmt_rc(rc, stmt1); FAIL_UNLESS(country_id == 3, "country_id != 3"); FAIL_UNLESS(memcmp(row_data, "berlin", 6) == 0, "row_data != 'Berlin'"); rc= mysql_stmt_close(stmt1); check_stmt_rc(rc, stmt1); rc= mysql_query(mysql, "drop table bug11904b"); check_mysql_rc(rc, mysql); return OK; } /* Bug#12243: multiple cursors, crash in a fetch after commit. */ static int test_bug12243(MYSQL *mysql) { MYSQL_STMT *stmt1, *stmt2; int rc; const char *stmt_text; ulong type; if (!check_variable(mysql, "@@have_innodb", "YES")) { diag("Skip -> Test required InnoDB"); return SKIP; } /* create tables */ rc= mysql_query(mysql, "drop table if exists t1"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "create table t1 (a int) engine=InnoDB"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "insert into t1 (a) values (1), (2)"); check_mysql_rc(rc, mysql); mysql_autocommit(mysql, FALSE); /* create statement */ stmt1= mysql_stmt_init(mysql); stmt2= mysql_stmt_init(mysql); type= (ulong) CURSOR_TYPE_READ_ONLY; rc= mysql_stmt_attr_set(stmt1, STMT_ATTR_CURSOR_TYPE, (const void*) &type); check_stmt_rc(rc, stmt1); rc= mysql_stmt_attr_set(stmt2, STMT_ATTR_CURSOR_TYPE, (const void*) &type); check_stmt_rc(rc, stmt1); stmt_text= "select a from t1"; rc= mysql_stmt_prepare(stmt1, SL(stmt_text)); check_stmt_rc(rc, stmt1); rc= mysql_stmt_execute(stmt1); check_stmt_rc(rc, stmt1); rc= mysql_stmt_fetch(stmt1); check_stmt_rc(rc, stmt1); rc= mysql_stmt_prepare(stmt2, SL(stmt_text)); check_stmt_rc(rc, stmt2); rc= mysql_stmt_execute(stmt2); check_stmt_rc(rc, stmt2); rc= mysql_stmt_fetch(stmt2); check_stmt_rc(rc, stmt2); rc= mysql_stmt_close(stmt1); check_stmt_rc(rc, stmt1); rc= mysql_commit(mysql); check_mysql_rc(rc, mysql); rc= mysql_stmt_fetch(stmt2); check_stmt_rc(rc, stmt2); mysql_stmt_close(stmt2); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); mysql_autocommit(mysql, TRUE); /* restore default */ return OK; } /* Bug#11909: wrong metadata if fetching from two cursors */ static int test_bug11909(MYSQL *mysql) { MYSQL_STMT *stmt1, *stmt2; MYSQL_BIND my_bind[7]; int rc; char firstname[20], midinit[20], lastname[20], workdept[20]; ulong firstname_len, midinit_len, lastname_len, workdept_len; uint32 empno; double salary; float bonus; const char *stmt_text; const ulong type= (ulong)CURSOR_TYPE_READ_ONLY; stmt_text= "drop table if exists t1"; rc= mysql_real_query(mysql, SL(stmt_text)); check_mysql_rc(rc, mysql); stmt_text= "create table t1 (" " empno int(11) not null, firstname varchar(20) not null," " midinit varchar(20) not null, lastname varchar(20) not null," " workdept varchar(6) not null, salary double not null," " bonus float not null, primary key (empno)" ") default charset=latin1 collate=latin1_bin"; rc= mysql_real_query(mysql, SL(stmt_text)); check_mysql_rc(rc, mysql); stmt_text= "insert into t1 values " "(10, 'CHRISTINE', 'I', 'HAAS', 'A00', 52750, 1000), " "(20, 'MICHAEL', 'L', 'THOMPSON', 'B01', 41250, 800)," "(30, 'SALLY', 'A', 'KWAN', 'C01', 38250, 800)," "(50, 'JOHN', 'B', 'GEYER', 'E01', 40175, 800), " "(60, 'IRVING', 'F', 'STERN', 'D11', 32250, 500)"; rc= mysql_real_query(mysql, SL(stmt_text)); check_mysql_rc(rc, mysql); /* ****** Begin of trace ****** */ stmt_text= "SELECT empno, firstname, midinit, lastname," "workdept, salary, bonus FROM t1 ORDER BY empno"; stmt1= mysql_stmt_init(mysql); FAIL_IF(!stmt1, mysql_error(mysql)); rc= mysql_stmt_prepare(stmt1, SL(stmt_text)); check_stmt_rc(rc, stmt1); mysql_stmt_attr_set(stmt1, STMT_ATTR_CURSOR_TYPE, (const void*) &type); memset(my_bind, '\0', sizeof(my_bind)); my_bind[0].buffer_type= MYSQL_TYPE_LONG; my_bind[0].buffer= (void*) &empno; my_bind[1].buffer_type= MYSQL_TYPE_VAR_STRING; my_bind[1].buffer= (void*) firstname; my_bind[1].buffer_length= sizeof(firstname); my_bind[1].length= &firstname_len; my_bind[2].buffer_type= MYSQL_TYPE_VAR_STRING; my_bind[2].buffer= (void*) midinit; my_bind[2].buffer_length= sizeof(midinit); my_bind[2].length= &midinit_len; my_bind[3].buffer_type= MYSQL_TYPE_VAR_STRING; my_bind[3].buffer= (void*) lastname; my_bind[3].buffer_length= sizeof(lastname); my_bind[3].length= &lastname_len; my_bind[4].buffer_type= MYSQL_TYPE_VAR_STRING; my_bind[4].buffer= (void*) workdept; my_bind[4].buffer_length= sizeof(workdept); my_bind[4].length= &workdept_len; my_bind[5].buffer_type= MYSQL_TYPE_DOUBLE; my_bind[5].buffer= (void*) &salary; my_bind[6].buffer_type= MYSQL_TYPE_FLOAT; my_bind[6].buffer= (void*) &bonus; rc= mysql_stmt_bind_result(stmt1, my_bind); check_stmt_rc(rc, stmt1); rc= mysql_stmt_execute(stmt1); check_stmt_rc(rc, stmt1); rc= mysql_stmt_fetch(stmt1); FAIL_UNLESS(rc == 0, "rc != 0"); FAIL_UNLESS(empno == 10, "empno != 10"); FAIL_UNLESS(strcmp(firstname, "CHRISTINE""") == 0, "firstname != 'Christine'"); FAIL_UNLESS(strcmp(midinit, "I""") == 0, ""); FAIL_UNLESS(strcmp(lastname, "HAAS""") == 0, "lastname != 'HAAS'"); FAIL_UNLESS(strcmp(workdept, "A00""") == 0, "workdept != 'A00'"); FAIL_UNLESS(salary == (double) 52750.0, "salary != 52750"); FAIL_UNLESS(bonus == (float) 1000.0, "bonus =! 1000"); stmt_text = "SELECT empno, firstname FROM t1"; stmt2= mysql_stmt_init(mysql); FAIL_IF(!stmt2, mysql_error(mysql)); rc= mysql_stmt_prepare(stmt2, SL(stmt_text)); check_stmt_rc(rc, stmt2); mysql_stmt_attr_set(stmt2, STMT_ATTR_CURSOR_TYPE, (const void*) &type); rc= mysql_stmt_bind_result(stmt2, my_bind); check_stmt_rc(rc, stmt2); rc= mysql_stmt_execute(stmt2); check_stmt_rc(rc, stmt2); rc= mysql_stmt_fetch(stmt2); FAIL_UNLESS(rc == 0, "rc != 0"); FAIL_UNLESS(empno == 10, "empno != 10"); FAIL_UNLESS(strcmp(firstname, "CHRISTINE""") == 0, "firstname != 'Christine'"); rc= mysql_stmt_reset(stmt2); check_stmt_rc(rc, stmt2); /* ERROR: next statement should return 0 */ rc= mysql_stmt_fetch(stmt1); FAIL_UNLESS(rc == 0, "rc != 0"); mysql_stmt_close(stmt1); mysql_stmt_close(stmt2); rc= mysql_rollback(mysql); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); return OK; } /* Bug#13488: wrong column metadata when fetching from cursor */ static int test_bug13488(MYSQL *mysql) { MYSQL_BIND my_bind[3]; MYSQL_STMT *stmt1; int rc, f1, f2, f3, i; const ulong type= CURSOR_TYPE_READ_ONLY; const char *query= "select f1, f2, f3 from t1 left join t2 on f1=f2 where f1=1"; rc= mysql_query(mysql, "drop table if exists t1, t2"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "create table t1 (f1 int not null primary key)"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "create table t2 (f2 int not null primary key, " "f3 int not null)"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "insert into t1 values (1), (2)"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "insert into t2 values (1,2), (2,4)"); check_mysql_rc(rc, mysql); memset(my_bind, 0, sizeof(my_bind)); for (i= 0; i < 3; i++) { my_bind[i].buffer_type= MYSQL_TYPE_LONG; my_bind[i].buffer_length= 4; my_bind[i].length= 0; } my_bind[0].buffer=&f1; my_bind[1].buffer=&f2; my_bind[2].buffer=&f3; stmt1= mysql_stmt_init(mysql); rc= mysql_stmt_attr_set(stmt1,STMT_ATTR_CURSOR_TYPE, (const void *)&type); check_stmt_rc(rc, stmt1); rc= mysql_stmt_prepare(stmt1, SL(query)); check_stmt_rc(rc, stmt1); rc= mysql_stmt_execute(stmt1); check_stmt_rc(rc, stmt1); rc= mysql_stmt_bind_result(stmt1, my_bind); check_stmt_rc(rc, stmt1); rc= mysql_stmt_fetch(stmt1); check_stmt_rc(rc, stmt1); rc= mysql_stmt_free_result(stmt1); check_stmt_rc(rc, stmt1); rc= mysql_stmt_reset(stmt1); check_stmt_rc(rc, stmt1); rc= mysql_stmt_close(stmt1); check_stmt_rc(rc, stmt1); FAIL_UNLESS(f1 == 1, "f1 != 1"); FAIL_UNLESS(f2 == 1, "f2 != 1"); FAIL_UNLESS(f3 == 2, "f3 != 2"); rc= mysql_query(mysql, "drop table t1, t2"); check_mysql_rc(rc, mysql); return OK; } /* Bug#13524: warnings of a previous command are not reset when fetching from a cursor. */ static int test_bug13524(MYSQL *mysql) { MYSQL_STMT *stmt; int rc; unsigned int warning_count; const ulong type= CURSOR_TYPE_READ_ONLY; const char *query= "select * from t1"; rc= mysql_query(mysql, "drop table if exists t1, t2"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "create table t1 (a int not null primary key)"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "insert into t1 values (1), (2), (3), (4)"); check_mysql_rc(rc, mysql); stmt= mysql_stmt_init(mysql); rc= mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (const void*) &type); check_stmt_rc(rc, stmt); rc= mysql_stmt_prepare(stmt, SL(query)); check_stmt_rc(rc, stmt); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_fetch(stmt); check_stmt_rc(rc, stmt); warning_count= mysql_warning_count(mysql); FAIL_UNLESS(warning_count == 0, "warning_count != 0"); /* Check that DROP TABLE produced a warning (no such table) */ rc= mysql_query(mysql, "drop table if exists t2"); check_mysql_rc(rc, mysql); warning_count= mysql_warning_count(mysql); FAIL_UNLESS(warning_count == 1, "warning_count != 1"); /* Check that fetch from a cursor cleared the warning from the previous command. */ rc= mysql_stmt_fetch(stmt); check_stmt_rc(rc, stmt); warning_count= mysql_warning_count(mysql); FAIL_UNLESS(warning_count == 0, "warning_count != 0"); /* Cleanup */ mysql_stmt_close(stmt); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); return OK; } /* Bug#14845 "mysql_stmt_fetch returns MYSQL_NO_DATA when COUNT(*) is 0" */ static int test_bug14845(MYSQL *mysql) { MYSQL_STMT *stmt; int rc; const ulong type= CURSOR_TYPE_READ_ONLY; const char *query= "select count(*) from t1 where 1 = 0"; rc= mysql_query(mysql, "drop table if exists t1"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "create table t1 (id int(11) default null, " "name varchar(20) default null)" "engine=MyISAM DEFAULT CHARSET=utf8"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "insert into t1 values (1,'abc'),(2,'def')"); check_mysql_rc(rc, mysql); stmt= mysql_stmt_init(mysql); rc= mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (const void*) &type); check_stmt_rc(rc, stmt); rc= mysql_stmt_prepare(stmt, SL(query)); check_stmt_rc(rc, stmt); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_fetch(stmt); FAIL_UNLESS(rc == 0, ""); rc= mysql_stmt_fetch(stmt); FAIL_UNLESS(rc == MYSQL_NO_DATA, ""); /* Cleanup */ mysql_stmt_close(stmt); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); return OK; } /* Bug#14210 "Simple query with > operator on large table gives server crash" */ static int test_bug14210(MYSQL *mysql) { MYSQL_STMT *stmt; int rc, i; const char *stmt_text; ulong type; rc= mysql_query(mysql, "drop table if exists t1"); check_mysql_rc(rc, mysql); /* To trigger the problem the table must be InnoDB, although the problem itself is not InnoDB related. In case the table is MyISAM this test is harmless. */ rc= mysql_query(mysql, "create table t1 (a varchar(255)) engine=InnoDB"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "insert into t1 (a) values (repeat('a', 256))"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "set @@session.max_heap_table_size=16384"); /* Create a big enough table (more than max_heap_table_size) */ for (i= 0; i < 8; i++) { rc= mysql_query(mysql, "insert into t1 (a) select a from t1"); check_mysql_rc(rc, mysql); } /* create statement */ stmt= mysql_stmt_init(mysql); type= (ulong) CURSOR_TYPE_READ_ONLY; mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (const void*) &type); stmt_text= "select a from t1"; rc= mysql_stmt_prepare(stmt, SL(stmt_text)); check_stmt_rc(rc, stmt); rc= mysql_stmt_execute(stmt); while ((rc= mysql_stmt_fetch(stmt)) == 0); FAIL_UNLESS(rc == MYSQL_NO_DATA, "rc != MYSQL_NO_DATA"); rc= mysql_stmt_close(stmt); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "set @@session.max_heap_table_size=default"); check_mysql_rc(rc, mysql); return OK; } /* Bug#24179 "select b into $var" fails with --cursor_protocol" The failure is correct, check that the returned message is meaningful. */ static int test_bug24179(MYSQL *mysql) { int rc; MYSQL_STMT *stmt; stmt= open_cursor(mysql, "select 1 into @a"); rc= mysql_stmt_execute(stmt); FAIL_UNLESS(rc, "Error expected"); FAIL_UNLESS(mysql_stmt_errno(stmt) == 1323, "stmt_errno != 1323"); mysql_stmt_close(stmt); return OK; } /** Bug#32265 Server returns different metadata if prepared statement is used */ static int test_bug32265(MYSQL *mysql) { int rc; MYSQL_STMT *stmt; MYSQL_FIELD *field; MYSQL_RES *metadata; if (mysql_get_server_version(mysql) < 50100) { diag("Test requires MySQL Server version 5.1 or above"); return SKIP; } rc= mysql_query(mysql, "DROP TABLE IF EXISTS t1"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "DROP VIEW IF EXISTS v1"); rc= mysql_query(mysql, "CREATE TABLE t1 (a INTEGER)"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "INSERT INTO t1 VALUES (1)"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "CREATE VIEW v1 AS SELECT * FROM t1"); check_mysql_rc(rc, mysql); stmt= open_cursor(mysql, "SELECT * FROM t1"); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); metadata= mysql_stmt_result_metadata(stmt); field= mysql_fetch_field(metadata); FAIL_UNLESS(field, "couldn't fetch field"); FAIL_UNLESS(strcmp(field->table, "t1") == 0, "table != t1"); FAIL_UNLESS(strcmp(field->org_table, "t1") == 0, "org_table != t1"); FAIL_UNLESS(strcmp(field->db, schema) == 0, "db != schema"); mysql_free_result(metadata); mysql_stmt_close(stmt); stmt= open_cursor(mysql, "SELECT a '' FROM t1 ``"); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); metadata= mysql_stmt_result_metadata(stmt); field= mysql_fetch_field(metadata); FAIL_UNLESS(strcmp(field->table, "") == 0, "field != ''"); FAIL_UNLESS(strcmp(field->org_table, "t1") == 0, "org_table != t1"); FAIL_UNLESS(strcmp(field->db, schema) == 0, "db != schema"); mysql_free_result(metadata); mysql_stmt_close(stmt); stmt= open_cursor(mysql, "SELECT a '' FROM t1 ``"); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); metadata= mysql_stmt_result_metadata(stmt); field= mysql_fetch_field(metadata); FAIL_UNLESS(strcmp(field->table, "") == 0, "table != ''"); FAIL_UNLESS(strcmp(field->org_table, "t1") == 0, "org_table != t1"); FAIL_UNLESS(strcmp(field->db, schema) == 0, "db != schema"); mysql_free_result(metadata); mysql_stmt_close(stmt); stmt= open_cursor(mysql, "SELECT * FROM v1"); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); metadata= mysql_stmt_result_metadata(stmt); field= mysql_fetch_field(metadata); FAIL_UNLESS(strcmp(field->table, "v1") == 0, "table != v1"); FAIL_UNLESS(strcmp(field->org_table, "v1") == 0, "org_table != v1"); FAIL_UNLESS(strcmp(field->db, schema) == 0, "db != schema"); mysql_free_result(metadata); mysql_stmt_close(stmt); stmt= open_cursor(mysql, "SELECT * FROM v1 /* SIC */ GROUP BY 1"); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); metadata= mysql_stmt_result_metadata(stmt); field= mysql_fetch_field(metadata); FAIL_UNLESS(strcmp(field->table, "v1") == 0, "table != v1"); FAIL_UNLESS(strcmp(field->org_table, "v1") == 0, "org_table != v1"); FAIL_UNLESS(strcmp(field->db, schema) == 0, "schema != db"); mysql_free_result(metadata); mysql_stmt_close(stmt); rc= mysql_query(mysql, "DROP VIEW v1"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "DROP TABLE t1"); check_mysql_rc(rc, mysql); return OK; } /** Bug#38486 Crash when using cursor protocol */ static int test_bug38486(MYSQL *mysql) { MYSQL_STMT *stmt; const char *stmt_text; int rc; unsigned long type= CURSOR_TYPE_READ_ONLY; rc= mysql_query(mysql, "DROP TABLE IF EXISTS t10"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "CREATE TABLE t10 (a INT)"); check_mysql_rc(rc, mysql); stmt= mysql_stmt_init(mysql); rc= mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (void*)&type); check_stmt_rc(rc, stmt); stmt_text= "INSERT INTO t10 VALUES (1)"; rc= mysql_stmt_prepare(stmt, SL(stmt_text)); check_stmt_rc(rc, stmt); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); mysql_stmt_close(stmt); return OK; } static int test_bug8880(MYSQL *mysql) { MYSQL_STMT *stmt_list[2], **stmt; MYSQL_STMT **stmt_list_end= (MYSQL_STMT**) stmt_list + 2; int rc; rc= mysql_query(mysql, "drop table if exists t1"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "create table t1 (a int not null primary key, b int)"); check_mysql_rc(rc, mysql); rc= mysql_query(mysql, "insert into t1 values (1,1)"); check_mysql_rc(rc, mysql); /* when inserting 2 rows everything works well mysql_query(mysql, "INSERT INTO t1 VALUES (1,1),(2,2)"); */ for (stmt= stmt_list; stmt < stmt_list_end; stmt++) *stmt= open_cursor(mysql, "select a from t1"); for (stmt= stmt_list; stmt < stmt_list_end; stmt++) { rc= mysql_stmt_execute(*stmt); check_stmt_rc(rc, *stmt); } for (stmt= stmt_list; stmt < stmt_list_end; stmt++) mysql_stmt_close(*stmt); return OK; } static int test_bug9159(MYSQL *mysql) { MYSQL_STMT *stmt; int rc; const char *stmt_text= "select a, b from t1"; const unsigned long type= CURSOR_TYPE_READ_ONLY; mysql_query(mysql, "drop table if exists t1"); mysql_query(mysql, "create table t1 (a int not null primary key, b int)"); rc= mysql_query(mysql, "insert into t1 values (1,1)"); check_mysql_rc(rc, mysql); stmt= mysql_stmt_init(mysql); mysql_stmt_prepare(stmt, SL(stmt_text)); mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (const void *)&type); mysql_stmt_execute(stmt); mysql_stmt_close(stmt); rc= mysql_query(mysql, "drop table if exists t1"); check_mysql_rc(rc, mysql); return OK; } /* We can't have more than one cursor open for a prepared statement. Test re-executions of a PS with cursor; mysql_stmt_reset must close the cursor attached to the statement, if there is one. */ static int test_bug9478(MYSQL *mysql) { MYSQL_STMT *stmt; MYSQL_BIND my_bind[1]; char a[6]; ulong a_len; int rc, i; mysql_query(mysql, "drop table if exists t1"); mysql_query(mysql, "create table t1 (id integer not null primary key, " " name varchar(20) not null)"); rc= mysql_query(mysql, "insert into t1 (id, name) values " " (1, 'aaa'), (2, 'bbb'), (3, 'ccc')"); check_mysql_rc(rc, mysql); stmt= open_cursor(mysql, "select name from t1 where id=2"); memset(my_bind, '\0', sizeof(my_bind)); my_bind[0].buffer_type= MYSQL_TYPE_STRING; my_bind[0].buffer= (char*) a; my_bind[0].buffer_length= sizeof(a); my_bind[0].length= &a_len; mysql_stmt_bind_result(stmt, my_bind); for (i= 0; i < 5; i++) { rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_fetch(stmt); check_stmt_rc(rc, stmt); /* The query above is a one-row result set. Therefore, there is no cursor associated with it, as the server won't bother with opening a cursor for a one-row result set. The first row was read from the server in the fetch above. But there is eof packet pending in the network. mysql_stmt_execute will flush the packet and successfully execute the statement. */ rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_fetch(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_fetch(stmt); FAIL_UNLESS(rc == MYSQL_NO_DATA, "rc != MYSQL_NO_DATA"); { char buff[8]; /* Fill in the fetch packet */ int4store(buff, stmt->stmt_id); buff[4]= 1; /* prefetch rows */ /* rc= ((*mysql->methods->advanced_command)(mysql, COM_STMT_FETCH, (uchar*) buff, sizeof(buff), 0,0,1,NULL) || (*mysql->methods->read_query_result)(mysql)); */ FAIL_UNLESS(rc, "error expected"); } rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_fetch(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_reset(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_fetch(stmt); /* mariadb client supports GEOMETRY, so no error will be returned FAIL_UNLESS(rc && mysql_stmt_errno(stmt), "Error expected"); */ } rc= mysql_stmt_close(stmt); check_stmt_rc(rc, stmt); /* Test the case with a server side cursor */ stmt= open_cursor(mysql, "select name from t1"); mysql_stmt_bind_result(stmt, my_bind); for (i= 0; i < 5; i++) { rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_fetch(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); while (! (rc= mysql_stmt_fetch(stmt))); FAIL_UNLESS(rc == MYSQL_NO_DATA, "rc != MYSQL_NO_DATA"); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_fetch(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_reset(stmt); check_stmt_rc(rc, stmt); rc= mysql_stmt_fetch(stmt); FAIL_UNLESS(rc && mysql_stmt_errno(stmt), "Error expected"); } rc= mysql_stmt_close(stmt); check_stmt_rc(rc, stmt); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); return OK; } /* Crash when opening a cursor to a query with DISTICNT and no key */ static int test_bug9520(MYSQL *mysql) { MYSQL_STMT *stmt; MYSQL_BIND my_bind[1]; char a[6]; ulong a_len; int rc, row_count= 0; mysql_query(mysql, "drop table if exists t1"); mysql_query(mysql, "create table t1 (a char(5), b char(5), c char(5)," " primary key (a, b, c))"); rc= mysql_query(mysql, "insert into t1 values ('x', 'y', 'z'), " " ('a', 'b', 'c'), ('k', 'l', 'm')"); check_mysql_rc(rc, mysql); stmt= open_cursor(mysql, "select distinct b from t1"); /* Not crashes with: stmt= open_cursor(mysql, "select distinct a from t1"); */ rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); memset(my_bind, '\0', sizeof(my_bind)); my_bind[0].buffer_type= MYSQL_TYPE_STRING; my_bind[0].buffer= (char*) a; my_bind[0].buffer_length= sizeof(a); my_bind[0].length= &a_len; mysql_stmt_bind_result(stmt, my_bind); while (!(rc= mysql_stmt_fetch(stmt))) row_count++; FAIL_UNLESS(rc == MYSQL_NO_DATA, "rc != MYSQL_NO_DATA"); FAIL_UNLESS(row_count == 3, "row_count != 3"); mysql_stmt_close(stmt); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); return OK; } /* Error message is returned for unsupported features. Test also cursors with non-default PREFETCH_ROWS */ static int test_bug9643(MYSQL *mysql) { MYSQL_STMT *stmt; MYSQL_BIND my_bind[1]; int32 a; int rc; const char *stmt_text; int num_rows= 0; ulong type; ulong prefetch_rows= 5; mysql_query(mysql, "drop table if exists t1"); mysql_query(mysql, "create table t1 (id integer not null primary key)"); rc= mysql_query(mysql, "insert into t1 (id) values " " (1), (2), (3), (4), (5), (6), (7), (8), (9)"); check_mysql_rc(rc, mysql); stmt= mysql_stmt_init(mysql); /* Not implemented in 5.0 */ type= (ulong) CURSOR_TYPE_SCROLLABLE; rc= mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (void*) &type); FAIL_UNLESS(rc, "Error expected"); type= (ulong) CURSOR_TYPE_READ_ONLY; rc= mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (void*) &type); check_stmt_rc(rc, stmt); rc= mysql_stmt_attr_set(stmt, STMT_ATTR_PREFETCH_ROWS, (void*) &prefetch_rows); check_stmt_rc(rc, stmt); stmt_text= "select * from t1"; rc= mysql_stmt_prepare(stmt, SL(stmt_text)); check_stmt_rc(rc, stmt); memset(my_bind, '\0', sizeof(my_bind)); my_bind[0].buffer_type= MYSQL_TYPE_LONG; my_bind[0].buffer= (void*) &a; my_bind[0].buffer_length= sizeof(a); mysql_stmt_bind_result(stmt, my_bind); rc= mysql_stmt_execute(stmt); check_stmt_rc(rc, stmt); while ((rc= mysql_stmt_fetch(stmt)) == 0) ++num_rows; FAIL_UNLESS(num_rows == 9, "num_rows != 9"); rc= mysql_stmt_close(stmt); FAIL_UNLESS(rc == 0, ""); rc= mysql_query(mysql, "drop table t1"); check_mysql_rc(rc, mysql); return OK; } struct my_tests_st my_tests[] = { {"test_basic_cursors", test_basic_cursors, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_cursors_with_union", test_cursors_with_union, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_cursors_with_procedure", test_cursors_with_procedure, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug21206", test_bug21206, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug10729", test_bug10729, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug10736", test_bug10736, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug10794", test_bug10794, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug10760", test_bug10760, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug11172", test_bug11172, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug11656", test_bug11656, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug11901", test_bug11901, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug11904", test_bug11904, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug12243", test_bug12243, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug11909", test_bug11909, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug13488", test_bug13488, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug13524", test_bug13524, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug14845", test_bug14845, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug14210", test_bug14210, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug24179", test_bug24179, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug32265", test_bug32265, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug38486", test_bug38486, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug8880", test_bug8880, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug9159", test_bug9159, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug9478", test_bug9478, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug9520", test_bug9520, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {"test_bug9643", test_bug9643, TEST_CONNECTION_DEFAULT, 0, NULL , NULL}, {NULL, NULL, 0, 0, NULL, NULL} }; int main(int argc, char **argv) { if (argc > 1) get_options(argc, argv); get_envvars(); run_tests(my_tests); return(exit_status()); }