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cubrid_statement.c
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cubrid_statement.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2010 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Yifan Fan <[email protected]> |
+----------------------------------------------------------------------+
*/
/************************************************************************
* IMPORTED SYSTEM HEADER FILES
************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "ext/pdo/php_pdo.h"
#include "ext/pdo/php_pdo_driver.h"
#include "zend_exceptions.h"
/************************************************************************
* OTHER IMPORTED HEADER FILES
************************************************************************/
#include "php_pdo_cubrid.h"
#include "php_pdo_cubrid_int.h"
#include <cas_cci.h>
#include <broker_cas_error.h>
/************************************************************************
* PRIVATE DEFINITIONS
************************************************************************/
#define CUBRID_LOB_READ_BUF_SIZE 8192
/* Maximum length for the Cubrid data types */
#define MAX_CUBRID_CHAR_LEN 1073741823
#define MAX_LEN_INTEGER (10 + 1)
#define MAX_LEN_SMALLINT (5 + 1)
#define MAX_LEN_BIGINT (19 + 1)
#define MAX_LEN_FLOAT (14 + 1)
#define MAX_LEN_DOUBLE (28 + 1)
#define MAX_LEN_MONETARY (28 + 2)
#define MAX_LEN_DATE 10
#define MAX_LEN_TIME 8
#define MAX_LEN_TIMESTAMP 23
#define MAX_LEN_DATETIME MAX_LEN_TIMESTAMP
#define MAX_LEN_OBJECT MAX_CUBRID_CHAR_LEN
#define MAX_LEN_SET MAX_CUBRID_CHAR_LEN
#define MAX_LEN_MULTISET MAX_CUBRID_CHAR_LEN
#define MAX_LEN_SEQUENCE MAX_CUBRID_CHAR_LEN
#define MAX_LEN_LOB MAX_CUBRID_CHAR_LEN
/************************************************************************
* PRIVATE TYPE DEFINITIONS
************************************************************************/
typedef struct
{
char *type_name;
T_CCI_U_TYPE cubrid_u_type;
int len;
} DB_TYPE_INFO;
/* Define Cubrid supported date types */
static const DB_TYPE_INFO db_type_info[] = {
{"NULL", CCI_U_TYPE_NULL, 0},
{"UNKNOWN", CCI_U_TYPE_UNKNOWN, MAX_LEN_OBJECT},
{"CHAR", CCI_U_TYPE_CHAR, -1},
{"STRING", CCI_U_TYPE_STRING, -1},
{"NCHAR", CCI_U_TYPE_NCHAR, -1},
{"VARNCHAR", CCI_U_TYPE_VARNCHAR, -1},
{"BIT", CCI_U_TYPE_BIT, -1},
{"VARBIT", CCI_U_TYPE_VARBIT, -1},
{"NUMERIC", CCI_U_TYPE_NUMERIC, -1},
{"NUMBER", CCI_U_TYPE_NUMERIC, -1},
{"INT", CCI_U_TYPE_INT, MAX_LEN_INTEGER},
{"SHORT", CCI_U_TYPE_SHORT, MAX_LEN_SMALLINT},
{"BIGINT", CCI_U_TYPE_BIGINT, MAX_LEN_BIGINT},
{"MONETARY", CCI_U_TYPE_MONETARY, MAX_LEN_MONETARY},
{"FLOAT", CCI_U_TYPE_FLOAT, MAX_LEN_FLOAT},
{"DOUBLE", CCI_U_TYPE_DOUBLE, MAX_LEN_DOUBLE},
{"DATE", CCI_U_TYPE_DATE, MAX_LEN_DATE},
{"TIME", CCI_U_TYPE_TIME, MAX_LEN_TIME},
{"DATETIME", CCI_U_TYPE_DATETIME, MAX_LEN_DATETIME},
{"TIMESTAMP", CCI_U_TYPE_TIMESTAMP, MAX_LEN_TIMESTAMP},
{"SET", CCI_U_TYPE_SET, MAX_LEN_SET},
{"MULTISET", CCI_U_TYPE_MULTISET, MAX_LEN_MULTISET},
{"SEQUENCE", CCI_U_TYPE_SEQUENCE, MAX_LEN_SEQUENCE},
{"RESULTSET", CCI_U_TYPE_RESULTSET, -1},
{"OBJECT", CCI_U_TYPE_OBJECT, MAX_LEN_OBJECT},
{"BLOB", CCI_U_TYPE_BLOB, MAX_LEN_LOB},
{"CLOB", CCI_U_TYPE_CLOB, MAX_LEN_LOB},
{"ENUM", CCI_U_TYPE_ENUM, -1},
};
/************************************************************************
* PRIVATE FUNCTION PROTOTYPES
************************************************************************/
static int get_cubrid_u_type_by_name(const char *type_name);
static int get_cubrid_u_type_len(T_CCI_U_TYPE type);
static int type2str(T_CCI_COL_INFO * column_info, char *type_name, int type_name_len);
static php_stream *cubrid_create_lob_stream(pdo_stmt_t *stmt, T_CCI_LOB lob, T_CCI_U_TYPE type TSRMLS_DC);
static pdo_cubrid_lob *new_cubrid_lob(void);
static int cubrid_lob_new(int con_h_id, T_CCI_LOB *lob, T_CCI_U_TYPE type, T_CCI_ERROR *err_buf);
static pdo_int64_t cubrid_lob_size(T_CCI_LOB lob, T_CCI_U_TYPE type);
static int cubrid_lob_write(int con_h_id, T_CCI_LOB lob, T_CCI_U_TYPE type, pdo_int64_t start_pos, int length, const char *buf, T_CCI_ERROR *err_buf);
static int cubrid_lob_read(int con_h_id, T_CCI_LOB lob, T_CCI_U_TYPE type, pdo_int64_t start_pos, int length, char *buf, T_CCI_ERROR *err_buf);
static int cubrid_lob_free(T_CCI_LOB lob, T_CCI_U_TYPE type);
/************************************************************************
* IMPLEMENTATION OF CUBRID PDO
************************************************************************/
static int cubrid_stmt_dtor(pdo_stmt_t *stmt TSRMLS_DC)
{
pdo_cubrid_stmt *S = (pdo_cubrid_stmt *)stmt->driver_data;
int i;
if (S->stmt_handle) {
for (i = 0; i < S->H->stmt_count; i++) {
if (!S->H->stmt_list[i]) {
continue;
}
if (S->H->stmt_list[i]->stmt_handle == S->stmt_handle) {
S->H->stmt_list[i] = NULL;
}
}
if (S->bind_num > 0) {
if (S->l_bind) {
efree(S->l_bind);
S->l_bind = NULL;
}
if (S->param_info) {
cci_param_info_free(S->param_info);
S->param_info = NULL;
}
S->bind_num = 0;
}
if (S->stmt_handle) {
cci_close_req_handle(S->stmt_handle);
}
S->stmt_handle = 0;
}
efree(S);
stmt->driver_data = NULL;
return 1;
}
static int cubrid_stmt_execute(pdo_stmt_t *stmt TSRMLS_DC)
{
pdo_cubrid_stmt *S = (pdo_cubrid_stmt *)stmt->driver_data;
T_CCI_COL_INFO *res_col_info;
T_CCI_CUBRID_STMT res_sql_type;
int res_col_count = 0;
char exec_flag = CCI_EXEC_QUERY_ALL;
int cubrid_retval = 0;
long exec_ret = 0;
T_CCI_ERROR error;
int i;
if (!S->stmt_handle) {
pdo_cubrid_error_stmt(stmt, CUBRID_ER_INVALID_STMT_HANDLE, NULL, NULL);
return 0;
}
if ((cubrid_retval = cci_fetch_buffer_clear(S->stmt_handle)) < 0) {
pdo_cubrid_error_stmt(stmt, cubrid_retval, NULL, NULL);
return 0;
}
if (!S->l_prepare) {
pdo_cubrid_error_stmt(stmt, CUBRID_ER_NOT_PREPARED, NULL, NULL);
return 0;
}
if (S->bind_num > 0) {
if (!S->l_bind) {
return 0;
}
for (i = 0; i < S->bind_num; i++) {
if (!S->l_bind[i]) {
pdo_cubrid_error_stmt(stmt, CUBRID_ER_PARAM_NOT_BIND, NULL, NULL);
return 0;
}
}
}
exec_ret = cci_execute(S->stmt_handle, exec_flag, 0, &error);
if (exec_ret < 0) {
pdo_cubrid_error_stmt(stmt, exec_ret, &error, NULL);
return 0;
}
res_col_info = cci_get_result_info(S->stmt_handle, &res_sql_type, &res_col_count);
if (res_sql_type == CUBRID_STMT_SELECT && !res_col_info) {
pdo_cubrid_error_stmt(stmt, CUBRID_ER_CANNOT_GET_COLUMN_INFO, NULL, NULL);
return 0;
}
S->col_info = res_col_info;
S->sql_type = res_sql_type;
S->col_count = res_col_count;
stmt->column_count = res_col_count;
stmt->row_count = exec_ret;
switch (S->sql_type) {
case CUBRID_STMT_SELECT:
S->row_count = exec_ret;
break;
case CUBRID_STMT_INSERT:
case CUBRID_STMT_UPDATE:
case CUBRID_STMT_DELETE:
S->affected_rows = exec_ret;
break;
case CUBRID_STMT_CALL:
S->row_count = exec_ret;
break;
default:
break;
}
S->cursor_pos = 1;
for (i = 0; i < S->bind_num; i++) {
S->l_bind[i] = 0;
}
return 1;
}
static char* _cubrid_dup_buf(char* src_buf,int size)
{
int len=0;
char* temp_buf=NULL;
if(src_buf != NULL)
{
len = strlen(src_buf);
}
else
{
len =size;
}
if(len<=0)
{
return NULL;
}
temp_buf = (char*)emalloc(len+1);
if(NULL==temp_buf)
{
return NULL;
}
memset(temp_buf,0,len+1);
if(NULL!= src_buf)
memcpy(temp_buf,src_buf,len);
return temp_buf;
}
static char* _cubrid_get_data_buf(int type,int num)
{
switch(type)
{
case CCI_U_TYPE_BIGINT:
return _cubrid_dup_buf(NULL,sizeof(CUBRID_LONG_LONG)* (num+1));
case CCI_U_TYPE_FLOAT:
return _cubrid_dup_buf(NULL,sizeof(float)* (num+1));
case CCI_U_TYPE_DOUBLE:
return _cubrid_dup_buf(NULL,sizeof(double)* (num+1));
case CCI_U_TYPE_BIT:
case CCI_U_TYPE_VARBIT:
return _cubrid_dup_buf(NULL,sizeof(T_CCI_BIT)* (num+1));
case CCI_U_TYPE_DATE:
case CCI_U_TYPE_TIME:
case CCI_U_TYPE_TIMESTAMP:
case CCI_U_TYPE_DATETIME:
return _cubrid_dup_buf(NULL,sizeof(T_CCI_DATE)* (num+1));
case CCI_U_TYPE_INT:
case CCI_U_TYPE_SHORT:
return _cubrid_dup_buf(NULL,sizeof(int)* (num+1));
default:
return _cubrid_dup_buf(NULL,sizeof(void*)* (num+1));
}
}
static char* cubrid_str2bit(char* str)
{
int i=0,len=0,t=0;
char* buf=NULL;
int shift = 8;
if(str == NULL)
return NULL;
len = strlen(str);
if(0 == len%shift)
t =1;
buf = (char*)emalloc(len/shift+1+1);
memset(buf,0,len/shift+1+1);
for(i=0;i<len;i++)
{
if(str[len-i-1] == '1')
{
buf[len/shift - i/shift-t] |= (1<<(i%shift));
}
else if(str[len-i-1] == '0')
{
//nothing
}
else
{
return NULL;
}
}
return buf;
}
static int cubrid_data_convert(void* data ,void** pSet,int type,int* indicator)
{
T_CCI_BIT *bit_value = NULL;
T_CCI_DATE date = { 0, 0, 0, 0, 0, 0, 0 };
int err_code = 0;
if(data == NULL)
{
php_printf("cubrid_data_convert failed.data=%s<br/>",(char*)data);
return 0;
}
if(strcmp(data,"NULL")==0)
{
*indicator=1;
}
else
{
*indicator=0;
}
switch(type)
{
case CCI_U_TYPE_BIT:
case CCI_U_TYPE_VARBIT:
if(*indicator==1)
break;
bit_value = (T_CCI_BIT*)(pSet);
bit_value[0].buf = (char*)cubrid_str2bit((char*)data);
bit_value[0].size = strlen(bit_value[0].buf );
/*
case CCI_U_TYPE_DATE:
if(*indicator==1)
break;
err_code = ut_str_to_date ((char*)data, &date);
if(err_code<0)
return 0;
memcpy((*pSet),&date,sizeof(T_CCI_DATE));
break;
*/
default:
*pSet = data;
return CCI_U_TYPE_STRING;
}
return type;
}
static T_CCI_SET cubrid_create_set_by_param(zval *parameter,int type)
{
T_CCI_SET set=NULL;
zval *z_array=0;
int z_array_count=0,i=0,set_type;
int* indicator= NULL;
char** data_set=NULL;
zval **z_item;
T_CCI_BIT* bit;
if(Z_TYPE_P(parameter) != IS_ARRAY)
{
php_printf("parameter not ARRAY.<br/>");
return NULL;
}
z_array=parameter;
z_array_count= zend_hash_num_elements(Z_ARRVAL_P(z_array));
indicator= (int*)_cubrid_dup_buf(NULL,sizeof(int)* (z_array_count+1));
data_set = (char**)_cubrid_get_data_buf(type,z_array_count+1);
if(indicator == NULL || data_set==NULL)
{
php_printf("malloc failed.<br/>");
return NULL;
}
zend_hash_internal_pointer_reset(Z_ARRVAL_P(z_array));
for (i = 0; i < z_array_count; i ++)
{
// 获取当前数据
zend_hash_get_current_data(Z_ARRVAL_P(z_array), (void**) &z_item);
convert_to_string_ex(z_item);
set_type = cubrid_data_convert(Z_STRVAL_PP(z_item),(void**)&data_set[i] ,type,indicator+i);
if(set_type ==0)
{
efree(indicator);
efree(data_set);
php_printf("cubrid_data_convert failed.i=%d<br/>",i);
return 0;
}
// 将数组中的内部指针向前移动一位
zend_hash_move_forward(Z_ARRVAL_P(z_array));
}
if(0> cci_set_make(&set, set_type, z_array_count, data_set, (int*)indicator))
{
efree(indicator);
efree(data_set);
php_printf("cci_set_make failed.<br/>");
return 0;
}
if(CCI_U_TYPE_BIT == type || CCI_U_TYPE_VARBIT == type)
{
for(i=0;i<z_array_count;i++)
{
if(indicator[i]==1)
continue;
if(data_set[i] != NULL)
{
bit= (T_CCI_BIT*)&data_set[i];
efree(bit->buf);
}
}
}
efree(indicator);
efree(data_set);
return set;
}
static int cubrid_type_pdo2cubrid(int pdo_type)
{
switch (pdo_type)
{
case PDO_PARAM_LOB:
return CCI_U_TYPE_BIT;
default:
return CCI_U_TYPE_STRING;
}
}
static int cubrid_stmt_datatype_convert(int type)
{
int u_type;
switch (type)
{
case PDO_PARAM_INT:
u_type = CCI_U_TYPE_INT;
break;
case PDO_PARAM_STR:
#if PDO_DRIVER_API >= 20080721
case PDO_PARAM_ZVAL:
#endif
u_type = CCI_U_TYPE_STRING;
break;
case PDO_PARAM_LOB:
u_type = CCI_U_TYPE_BLOB;
break;
case PDO_PARAM_NULL:
u_type = CCI_U_TYPE_NULL;
break;
case PDO_PARAM_STMT:
default:
return CCI_U_TYPE_UNKNOWN;
}
return u_type;
}
static int cubrid_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_data *param,
enum pdo_param_event event_type TSRMLS_DC)
{
pdo_cubrid_stmt *S = (pdo_cubrid_stmt *)stmt->driver_data;
char *bind_value = NULL, *bind_value_type = NULL;
int bind_value_len, bind_index,i=0;
T_CCI_U_TYPE u_type;
T_CCI_U_TYPE e_type;//element'datatype of set
T_CCI_A_TYPE a_type;
T_CCI_BIT *bit_value = NULL;
T_CCI_LOB lob = NULL;
php_stream *stm = NULL;
char* lobfile_name = NULL;
char buf[CUBRID_LOB_READ_BUF_SIZE];
pdo_uint64_t lob_start_pos = 0;
size_t lob_read_size = 0;
T_CCI_SET set;
T_CCI_ERROR error;
int cubrid_retval = 0;
if (!S->stmt_handle)
{
pdo_cubrid_error_stmt(stmt, CUBRID_ER_INVALID_STMT_HANDLE, NULL, NULL);
return 0;
}
if (!S->l_prepare || !param->is_param)
{
return 1;
}
switch (event_type)
{
case PDO_PARAM_EVT_EXEC_PRE:
if (param->paramno < 0 || param->paramno >= S->bind_num)
{
pdo_cubrid_error_stmt(stmt, CUBRID_ER_INVALID_INDEX, NULL, NULL);
return 0;
}
bind_index = param->paramno + 1;
/* driver_params: cubrid data type name (string), pass by driver_options */
if (!param->driver_params)
{
/* if driver_params is null, use param->param_type */
switch (param->param_type)
{
case PDO_PARAM_INT:
u_type = CCI_U_TYPE_INT;
break;
case PDO_PARAM_STR:
#if PDO_DRIVER_API >= 20080721
case PDO_PARAM_ZVAL:
#endif
u_type = CCI_U_TYPE_STRING;
break;
case PDO_PARAM_LOB:
u_type = CCI_U_TYPE_BLOB;
break;
case PDO_PARAM_NULL:
u_type = CCI_U_TYPE_NULL;
break;
case PDO_PARAM_STMT:
default:
pdo_cubrid_error_stmt(stmt, CUBRID_ER_NOT_SUPPORTED_TYPE, NULL, NULL);
return 0;
}
if(Z_TYPE_P(param->parameter) == IS_ARRAY)
{
e_type = cubrid_type_pdo2cubrid(u_type);
u_type = CCI_U_TYPE_SET;
}
}
else
{
convert_to_string(param->driver_params);
bind_value_type = Z_STRVAL_P(param->driver_params);
e_type = get_cubrid_u_type_by_name(bind_value_type);
u_type = e_type;
if(Z_TYPE_P(param->parameter) == IS_ARRAY)
{
u_type = CCI_U_TYPE_SET;
}
if(u_type == CCI_U_TYPE_ENUM)
{
u_type = cubrid_stmt_datatype_convert(param->param_type);
}
if (u_type == CCI_U_TYPE_UNKNOWN)
{
pdo_cubrid_error_stmt(stmt, CUBRID_ER_NOT_SUPPORTED_TYPE, NULL, NULL);
return 0;
}
}
if (u_type == CCI_U_TYPE_NULL || Z_TYPE_P(param->parameter) == IS_NULL)
{
cubrid_retval = cci_bind_param(S->stmt_handle, bind_index, CCI_A_TYPE_STR, NULL, u_type, 0);
}
else
{
if (u_type == CCI_U_TYPE_BLOB || u_type == CCI_U_TYPE_CLOB)
{
if (Z_TYPE_P(param->parameter) == IS_RESOURCE)
{
php_stream_from_zval_no_verify(stm, ¶m->parameter);
if (!stm)
{
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Expected a stream resource when param type is LOB\n");
return 0;
}
}
else
{
/* file name */
convert_to_string(param->parameter);
lobfile_name = Z_STRVAL_P(param->parameter);
if (!(stm = php_stream_open_wrapper(lobfile_name, "r", REPORT_ERRORS, NULL)))
{
return 0;
}
}
}
else if(u_type == CCI_U_TYPE_SET)
{
set = cubrid_create_set_by_param(param->parameter,e_type);
if(set == NULL)
{
return 0;
}
}
else
{
convert_to_string(param->parameter);
}
switch (u_type)
{
case CCI_U_TYPE_BLOB:
a_type = CCI_A_TYPE_BLOB;
break;
case CCI_U_TYPE_CLOB:
a_type = CCI_A_TYPE_CLOB;
break;
case CCI_U_TYPE_BIT:
case CCI_U_TYPE_VARBIT:
a_type = CCI_A_TYPE_BIT;
break;
case CCI_U_TYPE_SET:
case CCI_U_TYPE_MULTISET:
case CCI_U_TYPE_SEQUENCE:
a_type = CCI_A_TYPE_SET;
break;
default:
a_type = CCI_A_TYPE_STR;
break;
}
if (u_type == CCI_U_TYPE_BLOB || u_type == CCI_U_TYPE_CLOB)
{
if ((cubrid_retval = cubrid_lob_new(S->H->conn_handle, &lob, u_type, &error)) < 0)
{
pdo_cubrid_error_stmt(stmt, cubrid_retval, &error, NULL);
if (lobfile_name)
{
php_stream_close(stm);
}
return 0;
}
while (!php_stream_eof(stm))
{
lob_read_size = php_stream_read(stm, buf, CUBRID_LOB_READ_BUF_SIZE);
if ((cubrid_retval = cubrid_lob_write(S->H->conn_handle, lob, u_type,
lob_start_pos, lob_read_size, buf, &error)) < 0)
{
pdo_cubrid_error_stmt(stmt, cubrid_retval, &error, NULL);
php_stream_close(stm);
return 0;
}
lob_start_pos += lob_read_size;
}
if (lobfile_name)
{
php_stream_close(stm);
}
cubrid_retval = cci_bind_param(S->stmt_handle, bind_index, a_type, (void *) lob, u_type, CCI_BIND_PTR);
S->lob = new_cubrid_lob();
S->lob->lob = lob;
S->lob->type = u_type;
}
else if (u_type == CCI_U_TYPE_BIT)
{
bind_value = Z_STRVAL_P(param->parameter);
bind_value_len = Z_STRLEN_P(param->parameter);
bit_value = (T_CCI_BIT *) emalloc(sizeof(T_CCI_BIT));
bit_value->size = bind_value_len;
bit_value->buf = bind_value;
cubrid_retval = cci_bind_param(S->stmt_handle, bind_index, a_type, (void *) bit_value, u_type, 0);
efree(bit_value);
}
else if(u_type == CCI_U_TYPE_SET)
{
cubrid_retval = cci_bind_param (S->stmt_handle, bind_index, a_type,set, u_type, 0);
cci_set_free(set);
}
else
{
bind_value = Z_STRVAL_P(param->parameter);
cubrid_retval = cci_bind_param(S->stmt_handle, bind_index, a_type, bind_value, u_type, 0);
}
}
if (cubrid_retval != 0 || !S->l_bind)
{
pdo_cubrid_error_stmt(stmt, cubrid_retval, NULL, NULL);
return 0;
}
S->l_bind[param->paramno] = 1;
break;
case PDO_PARAM_EVT_EXEC_POST:
if (S->lob)
{
if (S->lob->lob)
{
cubrid_lob_free(S->lob->lob, S->lob->type);
}
efree(S->lob);
S->lob = NULL;
}
break;
case PDO_PARAM_EVT_ALLOC:
case PDO_PARAM_EVT_FREE:
case PDO_PARAM_EVT_FETCH_PRE:
case PDO_PARAM_EVT_FETCH_POST:
case PDO_PARAM_EVT_NORMALIZE:
break;
default:
break;
}
return 1;
}
static int cubrid_stmt_fetch(pdo_stmt_t *stmt, enum pdo_fetch_orientation ori, long offset TSRMLS_DC)
{
pdo_cubrid_stmt *S = (pdo_cubrid_stmt *)stmt->driver_data;
T_CCI_CURSOR_POS origin;
long abs_offset = 0;
int cubrid_retval = 0;
T_CCI_ERROR error;
if (!S->stmt_handle) {
pdo_cubrid_error_stmt(stmt, CUBRID_ER_INVALID_STMT_HANDLE, NULL, NULL);
return 0;
}
switch (ori) {
case PDO_FETCH_ORI_FIRST:
origin = CCI_CURSOR_FIRST;
offset = 1;
abs_offset = 1;
break;
case PDO_FETCH_ORI_LAST:
origin = CCI_CURSOR_LAST;
offset = 1;
if (S->cursor_type == PDO_CURSOR_FWDONLY) {
abs_offset = S->row_count;
} else {
/* -1 mean the last */
abs_offset = -1;
}
break;
case PDO_FETCH_ORI_NEXT:
origin = CCI_CURSOR_CURRENT;
offset = 1;
abs_offset = S->cursor_pos + 1;
break;
case PDO_FETCH_ORI_PRIOR:
origin = CCI_CURSOR_CURRENT;
offset = -1;
abs_offset = S->cursor_pos - 1;
break;
case PDO_FETCH_ORI_ABS:
origin = CCI_CURSOR_FIRST;
abs_offset = offset;
break;
case PDO_FETCH_ORI_REL:
origin = CCI_CURSOR_CURRENT;
abs_offset = S->cursor_pos + offset;
break;
default:
return 0;
}
if (S->cursor_type == PDO_CURSOR_FWDONLY && abs_offset != -1 && abs_offset < S->cursor_pos) {
pdo_cubrid_error_stmt(stmt, CUBRID_ER_INVALID_CURSOR_POS, NULL, NULL);
return 0;
}
cubrid_retval = cci_cursor(S->stmt_handle, offset, origin, &error);
if (cubrid_retval == CCI_ER_NO_MORE_DATA) {
return 0;
}
if (cubrid_retval < 0) {
pdo_cubrid_error_stmt(stmt, cubrid_retval, &error, NULL);
return 0;
}
S->cursor_pos = abs_offset;
cubrid_retval = cci_fetch(S->stmt_handle, &error);
if (cubrid_retval < 0) {
pdo_cubrid_error_stmt(stmt, cubrid_retval, &error, NULL);
return 0;
}
return 1;
}
static int cubrid_stmt_describe_col(pdo_stmt_t *stmt, int colno TSRMLS_DC)
{
pdo_cubrid_stmt *S = (pdo_cubrid_stmt *)stmt->driver_data;
struct pdo_column_data *cols = stmt->columns;
T_CCI_U_TYPE type;
long type_maxlen;
if (!S->col_info) {
pdo_cubrid_error_stmt(stmt, CUBRID_ER_CANNOT_GET_COLUMN_INFO, NULL, NULL);
return 0;
}
if (S->sql_type != CUBRID_STMT_SELECT) {
pdo_cubrid_error_stmt(stmt, CUBRID_ER_INVALID_SQL_TYPE, NULL, NULL);
return 0;
}
if (colno < 0 || colno > S->col_count - 1) {
pdo_cubrid_error_stmt(stmt, CUBRID_ER_INVALID_INDEX, NULL, NULL);
return 0;
}
cols[colno].name = estrdup(CCI_GET_RESULT_INFO_NAME (S->col_info, colno + 1));
cols[colno].namelen = strlen(cols[colno].name);
cols[colno].precision = CCI_GET_RESULT_INFO_PRECISION (S->col_info, colno + 1);
type = CCI_GET_COLLECTION_DOMAIN(CCI_GET_RESULT_INFO_TYPE(S->col_info, colno + 1));
if ((type_maxlen = get_cubrid_u_type_len(type)) == -1) {
type_maxlen = CCI_GET_RESULT_INFO_PRECISION(S->col_info, colno + 1);
if (type == CCI_U_TYPE_NUMERIC) {
type_maxlen += 2; /* "," + "-" */
}
}
if (CCI_IS_COLLECTION_TYPE(CCI_GET_RESULT_INFO_TYPE(S->col_info, colno + 1))) {
type_maxlen = MAX_LEN_SET;
}
cols[colno].maxlen = type_maxlen;
if (type == CCI_U_TYPE_BLOB || type == CCI_U_TYPE_CLOB) {
cols[colno].param_type = PDO_PARAM_LOB;
} else {
/* should make decision later, use STR now */
cols[colno].param_type = PDO_PARAM_STR;
}
return 1;
}
static int cubrid_stmt_get_column_meta(pdo_stmt_t *stmt, long colno, zval *return_value TSRMLS_DC)
{
pdo_cubrid_stmt *S = (pdo_cubrid_stmt*)stmt->driver_data;
char type_name[128];
if (!S->col_info) {
return FAILURE;
}
if (colno < 0 || colno >= S->col_count) {
pdo_cubrid_error_stmt(stmt, CUBRID_ER_INVALID_INDEX, NULL, NULL);
return FAILURE;
}
array_init(return_value);
if (type2str(&S->col_info[colno], type_name, sizeof(type_name)) == SUCCESS) {
add_assoc_string(return_value, "type", (char *)type_name, 1);
}
add_assoc_string(return_value, "name", S->col_info[colno].col_name, 1);
add_assoc_string(return_value, "table", S->col_info[colno].class_name, 1);
add_assoc_string(return_value, "def", S->col_info[colno].default_value, 1);
add_assoc_long(return_value, "precision", S->col_info[colno].precision);
add_assoc_long(return_value, "scale", S->col_info[colno].scale);
add_assoc_long(return_value, "not_null", S->col_info[colno].is_non_null);
add_assoc_long(return_value, "auto_increment", S->col_info[colno].is_auto_increment);
add_assoc_long(return_value, "unique_key", S->col_info[colno].is_unique_key);
add_assoc_long(return_value, "multiple_key", !S->col_info[colno].is_unique_key);
add_assoc_long(return_value, "primary_key", S->col_info[colno].is_primary_key);
add_assoc_long(return_value, "foreign_key", S->col_info[colno].is_foreign_key);
add_assoc_long(return_value, "reverse_index", S->col_info[colno].is_reverse_index);
add_assoc_long(return_value, "reverse_unique", S->col_info[colno].is_reverse_unique);
return 1;
}
static int cubrid_stmt_get_col_data(pdo_stmt_t *stmt, int colno, char **ptr, unsigned long *len,
int *caller_frees TSRMLS_DC)
{
pdo_cubrid_stmt *S = (pdo_cubrid_stmt *)stmt->driver_data;
struct pdo_column_data *cols = stmt->columns;
T_CCI_U_TYPE u_type;
T_CCI_A_TYPE a_type;
T_CCI_LOB lob = NULL;
int cubrid_retval = 0;
char *res_buf = NULL;
int ind = 0;
if (!S->stmt_handle) {
pdo_cubrid_error_stmt(stmt, CUBRID_ER_INVALID_STMT_HANDLE, NULL, NULL);
return 0;
}
if (colno < 0 || colno >= S->col_count) {
pdo_cubrid_error_stmt(stmt, CUBRID_ER_INVALID_INDEX, NULL, NULL);
return 0;
}
*caller_frees = 0;
switch (cols[colno].param_type) {
case PDO_PARAM_STR:
#if PDO_DRIVER_API >= 20080721
case PDO_PARAM_ZVAL:
#endif
if ((cubrid_retval = cci_get_data(S->stmt_handle, colno + 1, CCI_A_TYPE_STR, &res_buf, &ind)) < 0) {
pdo_cubrid_error_stmt(stmt, cubrid_retval, NULL, NULL);
return 0;
}
if (ind < 0) {
*ptr = NULL;
*len = 0;
} else {