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ibase_query.c
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2015 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. |
+----------------------------------------------------------------------+
| Authors: Ard Biesheuvel <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#if HAVE_IBASE
#include "ext/standard/php_standard.h"
#include "php_interbase.h"
#include "php_ibase_includes.h"
#define ISC_LONG_MIN INT_MIN
#define ISC_LONG_MAX INT_MAX
#define QUERY_RESULT 1
#define EXECUTE_RESULT 2
#define FETCH_ROW 1
#define FETCH_ARRAY 2
typedef struct {
ISC_ARRAY_DESC ar_desc;
ISC_LONG ar_size; /* size of entire array in bytes */
unsigned short el_type, el_size;
} ibase_array;
typedef struct {
ibase_db_link *link;
ibase_trans *trans;
struct _ib_query *query;
isc_stmt_handle stmt;
unsigned short type;
unsigned char has_more_rows, statement_type;
XSQLDA *out_sqlda;
ibase_array out_array[1]; /* last member */
} ibase_result;
typedef struct _ib_query {
ibase_db_link *link;
ibase_trans *trans;
ibase_result *result;
int result_res_id;
isc_stmt_handle stmt;
XSQLDA *in_sqlda, *out_sqlda;
ibase_array *in_array, *out_array;
unsigned short in_array_cnt, out_array_cnt;
unsigned short dialect;
char statement_type;
char *query;
long trans_res_id;
} ibase_query;
typedef struct {
unsigned short vary_length;
char vary_string[1];
} IBVARY;
/* sql variables union
* used for convert and binding input variables
*/
typedef struct {
union {
short sval;
float fval;
ISC_LONG lval;
ISC_QUAD qval;
ISC_TIMESTAMP tsval;
ISC_DATE dtval;
ISC_TIME tmval;
} val;
short sqlind;
} BIND_BUF;
static int le_result, le_query;
#define LE_RESULT "Firebird/InterBase result"
#define LE_QUERY "Firebird/InterBase query"
static void _php_ibase_free_xsqlda(XSQLDA *sqlda) /* {{{ */
{
int i;
XSQLVAR *var;
IBDEBUG("Free XSQLDA?");
if (sqlda) {
IBDEBUG("Freeing XSQLDA...");
var = sqlda->sqlvar;
for (i = 0; i < sqlda->sqld; i++, var++) {
efree(var->sqldata);
if (var->sqlind) {
efree(var->sqlind);
}
}
efree(sqlda);
}
}
/* }}} */
static void _php_ibase_free_stmt_handle(ibase_db_link *link, isc_stmt_handle stmt) /* {{{ */
{
static char info[] = { isc_info_base_level, isc_info_end };
if (stmt) {
char res_buf[8];
IBDEBUG("Dropping statement handle (free_stmt_handle)...");
/* Only free statement if db-connection is still open */
if (SUCCESS == isc_database_info(IB_STATUS, &link->handle,
sizeof(info), info, sizeof(res_buf), res_buf)) {
if (isc_dsql_free_statement(IB_STATUS, &stmt, DSQL_drop)) {
_php_ibase_error();
}
}
}
}
/* }}} */
static void _php_ibase_free_result(zend_resource *rsrc) /* {{{ */
{
ibase_result *ib_result = (ibase_result *) rsrc->ptr;
IBDEBUG("Freeing result by dtor...");
if (ib_result) {
_php_ibase_free_xsqlda(ib_result->out_sqlda);
if (ib_result->query != NULL) {
IBDEBUG("query still valid; don't drop statement handle");
ib_result->query->result = NULL; /* Indicate to query, that result is released */
} else {
_php_ibase_free_stmt_handle(ib_result->link, ib_result->stmt);
}
efree(ib_result);
}
}
/* }}} */
static void _php_ibase_free_query(ibase_query *ib_query) /* {{{ */
{
IBDEBUG("Freeing query...");
if (ib_query->in_sqlda) {
efree(ib_query->in_sqlda);
}
if (ib_query->out_sqlda) {
efree(ib_query->out_sqlda);
}
if (ib_query->result != NULL) {
IBDEBUG("result still valid; don't drop statement handle");
ib_query->result->query = NULL; /* Indicate to result, that query is released */
} else {
_php_ibase_free_stmt_handle(ib_query->link, ib_query->stmt);
}
if (ib_query->in_array) {
efree(ib_query->in_array);
}
if (ib_query->out_array) {
efree(ib_query->out_array);
}
if (ib_query->query) {
efree(ib_query->query);
}
}
/* }}} */
static void php_ibase_free_query_rsrc(zend_resource *rsrc) /* {{{ */
{
ibase_query *ib_query = (ibase_query *)rsrc->ptr;
if (ib_query != NULL) {
IBDEBUG("Preparing to free query by dtor...");
_php_ibase_free_query(ib_query);
efree(ib_query);
}
}
/* }}} */
void php_ibase_query_minit(INIT_FUNC_ARGS) /* {{{ */
{
le_result = zend_register_list_destructors_ex(_php_ibase_free_result, NULL,
"interbase result", module_number);
le_query = zend_register_list_destructors_ex(php_ibase_free_query_rsrc, NULL,
"interbase query", module_number);
}
/* }}} */
static int _php_ibase_alloc_array(ibase_array **ib_arrayp, XSQLDA *sqlda, /* {{{ */
isc_db_handle link, isc_tr_handle trans, unsigned short *array_cnt)
{
unsigned short i, n;
ibase_array *ar;
/* first check if we have any arrays at all */
for (i = *array_cnt = 0; i < sqlda->sqld; ++i) {
if ((sqlda->sqlvar[i].sqltype & ~1) == SQL_ARRAY) {
++*array_cnt;
}
}
if (! *array_cnt) return SUCCESS;
ar = safe_emalloc(sizeof(ibase_array), *array_cnt, 0);
for (i = n = 0; i < sqlda->sqld; ++i) {
unsigned short dim;
unsigned long ar_size = 1;
XSQLVAR *var = &sqlda->sqlvar[i];
if ((var->sqltype & ~1) == SQL_ARRAY) {
ibase_array *a = &ar[n++];
ISC_ARRAY_DESC *ar_desc = &a->ar_desc;
if (isc_array_lookup_bounds(IB_STATUS, &link, &trans, var->relname,
var->sqlname, ar_desc)) {
_php_ibase_error();
efree(ar);
return FAILURE;
}
switch (ar_desc->array_desc_dtype) {
case blr_text:
case blr_text2:
a->el_type = SQL_TEXT;
a->el_size = ar_desc->array_desc_length;
break;
case blr_short:
a->el_type = SQL_SHORT;
a->el_size = sizeof(short);
break;
case blr_long:
a->el_type = SQL_LONG;
a->el_size = sizeof(ISC_LONG);
break;
case blr_float:
a->el_type = SQL_FLOAT;
a->el_size = sizeof(float);
break;
case blr_double:
a->el_type = SQL_DOUBLE;
a->el_size = sizeof(double);
break;
case blr_int64:
a->el_type = SQL_INT64;
a->el_size = sizeof(ISC_INT64);
break;
case blr_timestamp:
a->el_type = SQL_TIMESTAMP;
a->el_size = sizeof(ISC_TIMESTAMP);
break;
case blr_sql_date:
a->el_type = SQL_TYPE_DATE;
a->el_size = sizeof(ISC_DATE);
break;
case blr_sql_time:
a->el_type = SQL_TYPE_TIME;
a->el_size = sizeof(ISC_TIME);
break;
case blr_varying:
case blr_varying2:
/**
* IB has a strange way of handling VARCHAR arrays. It doesn't store
* the length in the first short, as with VARCHAR fields. It does,
* however, expect the extra short to be allocated for each element.
*/
a->el_type = SQL_TEXT;
a->el_size = ar_desc->array_desc_length + sizeof(short);
break;
case blr_quad:
case blr_blob_id:
case blr_cstring:
case blr_cstring2:
/**
* These types are mentioned as array types in the manual, but I
* wouldn't know how to create an array field with any of these
* types. I assume these types are not applicable to arrays, and
* were mentioned erroneously.
*/
default:
_php_ibase_module_error("Unsupported array type %d in relation '%s' column '%s'",
ar_desc->array_desc_dtype, var->relname, var->sqlname);
efree(ar);
return FAILURE;
} /* switch array_desc_type */
/* calculate elements count */
for (dim = 0; dim < ar_desc->array_desc_dimensions; dim++) {
ar_size *= 1 + ar_desc->array_desc_bounds[dim].array_bound_upper
-ar_desc->array_desc_bounds[dim].array_bound_lower;
}
a->ar_size = a->el_size * ar_size;
} /* if SQL_ARRAY */
} /* for column */
*ib_arrayp = ar;
return SUCCESS;
}
/* }}} */
/* allocate and prepare query */
static int _php_ibase_alloc_query(ibase_query *ib_query, ibase_db_link *link, /* {{{ */
ibase_trans *trans, char *query, unsigned short dialect, int trans_res_id)
{
static char info_type[] = {isc_info_sql_stmt_type};
char result[8];
/* Return FAILURE, if querystring is empty */
if (*query == '\0') {
php_error_docref(NULL, E_WARNING, "Querystring empty.");
return FAILURE;
}
ib_query->link = link;
ib_query->trans = trans;
ib_query->result_res_id = 0;
ib_query->result = NULL;
ib_query->stmt = NULL;
ib_query->in_array = NULL;
ib_query->out_array = NULL;
ib_query->dialect = dialect;
ib_query->query = estrdup(query);
ib_query->trans_res_id = trans_res_id;
ib_query->out_sqlda = NULL;
ib_query->in_sqlda = NULL;
if (isc_dsql_allocate_statement(IB_STATUS, &link->handle, &ib_query->stmt)) {
_php_ibase_error();
goto _php_ibase_alloc_query_error;
}
ib_query->out_sqlda = (XSQLDA *) emalloc(XSQLDA_LENGTH(1));
ib_query->out_sqlda->sqln = 1;
ib_query->out_sqlda->version = SQLDA_CURRENT_VERSION;
if (isc_dsql_prepare(IB_STATUS, &ib_query->trans->handle, &ib_query->stmt,
0, query, dialect, ib_query->out_sqlda)) {
_php_ibase_error();
goto _php_ibase_alloc_query_error;
}
/* find out what kind of statement was prepared */
if (isc_dsql_sql_info(IB_STATUS, &ib_query->stmt, sizeof(info_type),
info_type, sizeof(result), result)) {
_php_ibase_error();
goto _php_ibase_alloc_query_error;
}
ib_query->statement_type = result[3];
/* not enough output variables ? */
if (ib_query->out_sqlda->sqld > ib_query->out_sqlda->sqln) {
ib_query->out_sqlda = erealloc(ib_query->out_sqlda, XSQLDA_LENGTH(ib_query->out_sqlda->sqld));
ib_query->out_sqlda->sqln = ib_query->out_sqlda->sqld;
ib_query->out_sqlda->version = SQLDA_CURRENT_VERSION;
if (isc_dsql_describe(IB_STATUS, &ib_query->stmt, SQLDA_CURRENT_VERSION, ib_query->out_sqlda)) {
_php_ibase_error();
goto _php_ibase_alloc_query_error;
}
}
/* maybe have input placeholders? */
ib_query->in_sqlda = emalloc(XSQLDA_LENGTH(1));
ib_query->in_sqlda->sqln = 1;
ib_query->in_sqlda->version = SQLDA_CURRENT_VERSION;
if (isc_dsql_describe_bind(IB_STATUS, &ib_query->stmt, SQLDA_CURRENT_VERSION, ib_query->in_sqlda)) {
_php_ibase_error();
goto _php_ibase_alloc_query_error;
}
/* not enough input variables ? */
if (ib_query->in_sqlda->sqln < ib_query->in_sqlda->sqld) {
ib_query->in_sqlda = erealloc(ib_query->in_sqlda, XSQLDA_LENGTH(ib_query->in_sqlda->sqld));
ib_query->in_sqlda->sqln = ib_query->in_sqlda->sqld;
ib_query->in_sqlda->version = SQLDA_CURRENT_VERSION;
if (isc_dsql_describe_bind(IB_STATUS, &ib_query->stmt,
SQLDA_CURRENT_VERSION, ib_query->in_sqlda)) {
_php_ibase_error();
goto _php_ibase_alloc_query_error;
}
}
/* no, haven't placeholders at all */
if (ib_query->in_sqlda->sqld == 0) {
efree(ib_query->in_sqlda);
ib_query->in_sqlda = NULL;
} else if (FAILURE == _php_ibase_alloc_array(&ib_query->in_array, ib_query->in_sqlda,
link->handle, trans->handle, &ib_query->in_array_cnt)) {
goto _php_ibase_alloc_query_error;
}
if (ib_query->out_sqlda->sqld == 0) {
efree(ib_query->out_sqlda);
ib_query->out_sqlda = NULL;
} else if (FAILURE == _php_ibase_alloc_array(&ib_query->out_array, ib_query->out_sqlda,
link->handle, trans->handle, &ib_query->out_array_cnt)) {
goto _php_ibase_alloc_query_error;
}
return SUCCESS;
_php_ibase_alloc_query_error:
if (ib_query->out_sqlda) {
efree(ib_query->out_sqlda);
}
if (ib_query->in_sqlda) {
efree(ib_query->in_sqlda);
}
if (ib_query->out_array) {
efree(ib_query->out_array);
}
if (ib_query->query) {
efree(ib_query->query);
}
return FAILURE;
}
/* }}} */
static int _php_ibase_bind_array(zval *val, char *buf, unsigned long buf_size, /* {{{ */
ibase_array *array, int dim)
{
zval null_val, *pnull_val = &null_val;
int u_bound = array->ar_desc.array_desc_bounds[dim].array_bound_upper,
l_bound = array->ar_desc.array_desc_bounds[dim].array_bound_lower,
dim_len = 1 + u_bound - l_bound;
ZVAL_NULL(pnull_val);
if (dim < array->ar_desc.array_desc_dimensions) {
unsigned long slice_size = buf_size / dim_len;
unsigned short i;
zval *subval = val;
if (Z_TYPE_P(val) == IS_ARRAY) {
zend_hash_internal_pointer_reset(Z_ARRVAL_P(val));
}
for (i = 0; i < dim_len; ++i) {
if (Z_TYPE_P(val) == IS_ARRAY &&
(subval = zend_hash_get_current_data(Z_ARRVAL_P(val))) == NULL)
{
subval = pnull_val;
}
if (_php_ibase_bind_array(subval, buf, slice_size, array, dim+1) == FAILURE)
{
return FAILURE;
}
buf += slice_size;
if (Z_TYPE_P(val) == IS_ARRAY) {
zend_hash_move_forward(Z_ARRVAL_P(val));
}
}
if (Z_TYPE_P(val) == IS_ARRAY) {
zend_hash_internal_pointer_reset(Z_ARRVAL_P(val));
}
} else {
/* expect a single value */
if (Z_TYPE_P(val) == IS_NULL) {
memset(buf, 0, buf_size);
} else if (array->ar_desc.array_desc_scale < 0) {
/* no coercion for array types */
double l;
convert_to_double(val);
if (Z_DVAL_P(val) > 0) {
l = Z_DVAL_P(val) * pow(10, -array->ar_desc.array_desc_scale) + .5;
} else {
l = Z_DVAL_P(val) * pow(10, -array->ar_desc.array_desc_scale) - .5;
}
switch (array->el_type) {
case SQL_SHORT:
if (l > SHRT_MAX || l < SHRT_MIN) {
_php_ibase_module_error("Array parameter exceeds field width");
return FAILURE;
}
*(short*) buf = (short) l;
break;
case SQL_LONG:
if (l > ISC_LONG_MAX || l < ISC_LONG_MIN) {
_php_ibase_module_error("Array parameter exceeds field width");
return FAILURE;
}
*(ISC_LONG*) buf = (ISC_LONG) l;
break;
case SQL_INT64:
{
long double l;
convert_to_string(val);
if (!sscanf(Z_STRVAL_P(val), "%Lf", &l)) {
_php_ibase_module_error("Cannot convert '%s' to long double",
Z_STRVAL_P(val));
return FAILURE;
}
if (l > 0) {
*(ISC_INT64 *) buf = (ISC_INT64) (l * pow(10,
-array->ar_desc.array_desc_scale) + .5);
} else {
*(ISC_INT64 *) buf = (ISC_INT64) (l * pow(10,
-array->ar_desc.array_desc_scale) - .5);
}
}
break;
}
} else {
struct tm t = { 0, 0, 0, 0, 0, 0 };
switch (array->el_type) {
unsigned short n;
ISC_INT64 l;
case SQL_SHORT:
convert_to_long(val);
if (Z_LVAL_P(val) > SHRT_MAX || Z_LVAL_P(val) < SHRT_MIN) {
_php_ibase_module_error("Array parameter exceeds field width");
return FAILURE;
}
*(short *) buf = (short) Z_LVAL_P(val);
break;
case SQL_LONG:
convert_to_long(val);
#if (SIZEOF_LONG > 4)
if (Z_LVAL_P(val) > ISC_LONG_MAX || Z_LVAL_P(val) < ISC_LONG_MIN) {
_php_ibase_module_error("Array parameter exceeds field width");
return FAILURE;
}
#endif
*(ISC_LONG *) buf = (ISC_LONG) Z_LVAL_P(val);
break;
case SQL_INT64:
#if (SIZEOF_LONG >= 8)
convert_to_long(val);
*(long *) buf = Z_LVAL_P(val);
#else
convert_to_string(val);
if (!sscanf(Z_STRVAL_P(val), "%" LL_MASK "d", &l)) {
_php_ibase_module_error("Cannot convert '%s' to long integer",
Z_STRVAL_P(val));
return FAILURE;
} else {
*(ISC_INT64 *) buf = l;
}
#endif
break;
case SQL_FLOAT:
convert_to_double(val);
*(float*) buf = (float) Z_DVAL_P(val);
break;
case SQL_DOUBLE:
convert_to_double(val);
*(double*) buf = Z_DVAL_P(val);
break;
case SQL_TIMESTAMP:
convert_to_string(val);
#ifdef HAVE_STRPTIME
strptime(Z_STRVAL_P(val), INI_STR("ibase.timestampformat"), &t);
#else
n = sscanf(Z_STRVAL_P(val), "%d%*[/]%d%*[/]%d %d%*[:]%d%*[:]%d",
&t.tm_mon, &t.tm_mday, &t.tm_year, &t.tm_hour, &t.tm_min, &t.tm_sec);
if (n != 3 && n != 6) {
_php_ibase_module_error("Invalid date/time format (expected 3 or 6 fields, got %d."
" Use format 'm/d/Y H:i:s'. You gave '%s')", n, Z_STRVAL_P(val));
return FAILURE;
}
t.tm_year -= 1900;
t.tm_mon--;
#endif
isc_encode_timestamp(&t, (ISC_TIMESTAMP * ) buf);
break;
case SQL_TYPE_DATE:
convert_to_string(val);
#ifdef HAVE_STRPTIME
strptime(Z_STRVAL_P(val), INI_STR("ibase.dateformat"), &t);
#else
n = sscanf(Z_STRVAL_P(val), "%d%*[/]%d%*[/]%d", &t.tm_mon, &t.tm_mday, &t.tm_year);
if (n != 3) {
_php_ibase_module_error("Invalid date format (expected 3 fields, got %d. "
"Use format 'm/d/Y' You gave '%s')", n, Z_STRVAL_P(val));
return FAILURE;
}
t.tm_year -= 1900;
t.tm_mon--;
#endif
isc_encode_sql_date(&t, (ISC_DATE *) buf);
break;
case SQL_TYPE_TIME:
convert_to_string(val);
#ifdef HAVE_STRPTIME
strptime(Z_STRVAL_P(val), INI_STR("ibase.timeformat"), &t);
#else
n = sscanf(Z_STRVAL_P(val), "%d%*[:]%d%*[:]%d", &t.tm_hour, &t.tm_min, &t.tm_sec);
if (n != 3) {
_php_ibase_module_error("Invalid time format (expected 3 fields, got %d. "
"Use format 'H:i:s'. You gave '%s')", n, Z_STRVAL_P(val));
return FAILURE;
}
#endif
isc_encode_sql_time(&t, (ISC_TIME *) buf);
break;
default:
convert_to_string(val);
strlcpy(buf, Z_STRVAL_P(val), buf_size);
}
}
}
return SUCCESS;
}
/* }}} */
static int _php_ibase_bind(XSQLDA *sqlda, zval *b_vars, BIND_BUF *buf, /* {{{ */
ibase_query *ib_query)
{
int i, array_cnt = 0, rv = SUCCESS;
for (i = 0; i < sqlda->sqld; ++i) { /* bound vars */
zval *b_var = &b_vars[i];
XSQLVAR *var = &sqlda->sqlvar[i];
var->sqlind = &buf[i].sqlind;
/* check if a NULL should be inserted */
switch (Z_TYPE_P(b_var)) {
int force_null;
case IS_STRING:
force_null = 0;
/* for these types, an empty string can be handled like a NULL value */
switch (var->sqltype & ~1) {
case SQL_SHORT:
case SQL_LONG:
case SQL_INT64:
case SQL_FLOAT:
case SQL_DOUBLE:
case SQL_TIMESTAMP:
case SQL_TYPE_DATE:
case SQL_TYPE_TIME:
force_null = (Z_STRLEN_P(b_var) == 0);
}
if (! force_null) break;
case IS_NULL:
buf[i].sqlind = -1;
if (var->sqltype & SQL_ARRAY) ++array_cnt;
continue;
}
/* if we make it to this point, we must provide a value for the parameter */
buf[i].sqlind = 0;
var->sqldata = (void*)&buf[i].val;
switch (var->sqltype & ~1) {
struct tm t;
case SQL_TIMESTAMP:
case SQL_TYPE_DATE:
case SQL_TYPE_TIME:
if (Z_TYPE_P(b_var) == IS_LONG) {
struct tm *res;
res = php_gmtime_r(&Z_LVAL_P(b_var), &t);
if (!res) {
return FAILURE;
}
} else {
#ifdef HAVE_STRPTIME
char *format = INI_STR("ibase.timestampformat");
convert_to_string(b_var);
switch (var->sqltype & ~1) {
case SQL_TYPE_DATE:
format = INI_STR("ibase.dateformat");
break;
case SQL_TYPE_TIME:
format = INI_STR("ibase.timeformat");
}
if (!strptime(Z_STRVAL_P(b_var), format, &t)) {
/* strptime() cannot handle it, so let IB have a try */
break;
}
#else /* ifndef HAVE_STRPTIME */
break; /* let IB parse it as a string */
#endif
}
switch (var->sqltype & ~1) {
default: /* == case SQL_TIMESTAMP */
isc_encode_timestamp(&t, &buf[i].val.tsval);
break;
case SQL_TYPE_DATE:
isc_encode_sql_date(&t, &buf[i].val.dtval);
break;
case SQL_TYPE_TIME:
isc_encode_sql_time(&t, &buf[i].val.tmval);
break;
}
continue;
case SQL_BLOB:
convert_to_string(b_var);
if (Z_STRLEN_P(b_var) != BLOB_ID_LEN ||
!_php_ibase_string_to_quad(Z_STRVAL_P(b_var), &buf[i].val.qval)) {
ibase_blob ib_blob = { NULL, BLOB_INPUT };
if (isc_create_blob(IB_STATUS, &ib_query->link->handle,
&ib_query->trans->handle, &ib_blob.bl_handle, &ib_blob.bl_qd)) {
_php_ibase_error();
return FAILURE;
}
if (_php_ibase_blob_add(b_var, &ib_blob) != SUCCESS) {
return FAILURE;
}
if (isc_close_blob(IB_STATUS, &ib_blob.bl_handle)) {
_php_ibase_error();
return FAILURE;
}
buf[i].val.qval = ib_blob.bl_qd;
}
continue;
case SQL_ARRAY:
if (Z_TYPE_P(b_var) != IS_ARRAY) {
convert_to_string(b_var);
if (Z_STRLEN_P(b_var) != BLOB_ID_LEN ||
!_php_ibase_string_to_quad(Z_STRVAL_P(b_var), &buf[i].val.qval)) {
_php_ibase_module_error("Parameter %d: invalid array ID",i+1);
rv = FAILURE;
}
} else {
/* convert the array data into something IB can understand */
ibase_array *ar = &ib_query->in_array[array_cnt];
void *array_data = emalloc(ar->ar_size);
ISC_QUAD array_id = { 0, 0 };
if (FAILURE == _php_ibase_bind_array(b_var, array_data, ar->ar_size,
ar, 0)) {
_php_ibase_module_error("Parameter %d: failed to bind array argument", i+1);
efree(array_data);
rv = FAILURE;
continue;
}
if (isc_array_put_slice(IB_STATUS, &ib_query->link->handle, &ib_query->trans->handle,
&array_id, &ar->ar_desc, array_data, &ar->ar_size)) {
_php_ibase_error();
efree(array_data);
return FAILURE;
}
buf[i].val.qval = array_id;
efree(array_data);
}
++array_cnt;
continue;
} /* switch */
/* we end up here if none of the switch cases handled the field */
convert_to_string(b_var);
var->sqldata = Z_STRVAL_P(b_var);
var->sqllen = Z_STRLEN_P(b_var);
var->sqltype = SQL_TEXT;
} /* for */
return rv;
}
/* }}} */
static void _php_ibase_alloc_xsqlda(XSQLDA *sqlda) /* {{{ */
{
int i;
for (i = 0; i < sqlda->sqld; i++) {
XSQLVAR *var = &sqlda->sqlvar[i];
switch (var->sqltype & ~1) {
case SQL_TEXT:
var->sqldata = safe_emalloc(sizeof(char), var->sqllen, 0);
break;
case SQL_VARYING:
var->sqldata = safe_emalloc(sizeof(char), var->sqllen + sizeof(short), 0);
break;
case SQL_SHORT:
var->sqldata = emalloc(sizeof(short));
break;
case SQL_LONG:
var->sqldata = emalloc(sizeof(ISC_LONG));
break;
case SQL_FLOAT:
var->sqldata = emalloc(sizeof(float));
break;
case SQL_DOUBLE:
var->sqldata = emalloc(sizeof(double));
break;
case SQL_INT64:
var->sqldata = emalloc(sizeof(ISC_INT64));
break;
case SQL_TIMESTAMP:
var->sqldata = emalloc(sizeof(ISC_TIMESTAMP));
break;
case SQL_TYPE_DATE:
var->sqldata = emalloc(sizeof(ISC_DATE));
break;
case SQL_TYPE_TIME:
var->sqldata = emalloc(sizeof(ISC_TIME));
break;
case SQL_BLOB:
case SQL_ARRAY:
var->sqldata = emalloc(sizeof(ISC_QUAD));
break;
} /* switch */
if (var->sqltype & 1) { /* sql NULL flag */
var->sqlind = emalloc(sizeof(short));
} else {
var->sqlind = NULL;
}
} /* for */
}
/* }}} */
static int _php_ibase_exec(INTERNAL_FUNCTION_PARAMETERS, ibase_result **ib_resultp, /* {{{ */
ibase_query *ib_query, zval *args)
{
XSQLDA *in_sqlda = NULL, *out_sqlda = NULL;
BIND_BUF *bind_buf = NULL;
int i, rv = FAILURE;
static char info_count[] = { isc_info_sql_records };
char result[64];
ISC_STATUS isc_result;
int argc = ib_query->in_sqlda ? ib_query->in_sqlda->sqld : 0;
RESET_ERRMSG;
for (i = 0; i < argc; ++i) {
SEPARATE_ZVAL(&args[i]);
}
switch (ib_query->statement_type) {
isc_tr_handle tr;
ibase_tr_list **l;
ibase_trans *trans;
case isc_info_sql_stmt_start_trans:
/* a SET TRANSACTION statement should be executed with a NULL trans handle */
tr = NULL;
if (isc_dsql_execute_immediate(IB_STATUS, &ib_query->link->handle, &tr, 0,
ib_query->query, ib_query->dialect, NULL)) {
_php_ibase_error();
goto _php_ibase_exec_error;
}
trans = (ibase_trans *) emalloc(sizeof(ibase_trans));
trans->handle = tr;
trans->link_cnt = 1;
trans->affected_rows = 0;
trans->db_link[0] = ib_query->link;
if (ib_query->link->tr_list == NULL) {
ib_query->link->tr_list = (ibase_tr_list *) emalloc(sizeof(ibase_tr_list));
ib_query->link->tr_list->trans = NULL;
ib_query->link->tr_list->next = NULL;
}
/* link the transaction into the connection-transaction list */
for (l = &ib_query->link->tr_list; *l != NULL; l = &(*l)->next);
*l = (ibase_tr_list *) emalloc(sizeof(ibase_tr_list));
(*l)->trans = trans;
(*l)->next = NULL;
RETVAL_RES(zend_register_resource(trans, le_trans));
Z_TRY_ADDREF_P(return_value);
return SUCCESS;
case isc_info_sql_stmt_commit:
case isc_info_sql_stmt_rollback:
if (isc_dsql_execute_immediate(IB_STATUS, &ib_query->link->handle,
&ib_query->trans->handle, 0, ib_query->query, ib_query->dialect, NULL)) {
_php_ibase_error();
goto _php_ibase_exec_error;
}
if (ib_query->trans->handle == NULL && ib_query->trans_res_id != 0) {
/* transaction was released by the query and was a registered resource,
so we have to release it */
zval *res = zend_hash_index_find(&EG(regular_list), ib_query->trans_res_id);
zend_list_delete(Z_RES_P(res));
}
RETVAL_TRUE;
return SUCCESS;
default:
RETVAL_FALSE;
}
/* allocate sqlda and output buffers */
if (ib_query->out_sqlda) { /* output variables in select, select for update */
ibase_result *res;
IBDEBUG("Query wants XSQLDA for output");
res = emalloc(sizeof(ibase_result)+sizeof(ibase_array)*max(0,ib_query->out_array_cnt-1));
res->link = ib_query->link;
res->trans = ib_query->trans;
res->stmt = ib_query->stmt;
/* ib_result and ib_query point at each other to handle release of statement handle properly */
res->query = ib_query;
ib_query->result = res;
res->statement_type = ib_query->statement_type;
res->has_more_rows = 1;
out_sqlda = res->out_sqlda = emalloc(XSQLDA_LENGTH(ib_query->out_sqlda->sqld));
memcpy(out_sqlda, ib_query->out_sqlda, XSQLDA_LENGTH(ib_query->out_sqlda->sqld));
_php_ibase_alloc_xsqlda(out_sqlda);
if (ib_query->out_array) {
memcpy(&res->out_array, ib_query->out_array, sizeof(ibase_array)*ib_query->out_array_cnt);
}
*ib_resultp = res;
}
if (ib_query->in_sqlda) { /* has placeholders */
IBDEBUG("Query wants XSQLDA for input");
in_sqlda = emalloc(XSQLDA_LENGTH(ib_query->in_sqlda->sqld));
memcpy(in_sqlda, ib_query->in_sqlda, XSQLDA_LENGTH(ib_query->in_sqlda->sqld));
bind_buf = safe_emalloc(sizeof(BIND_BUF), ib_query->in_sqlda->sqld, 0);
if (_php_ibase_bind(in_sqlda, args, bind_buf, ib_query) == FAILURE) {
IBDEBUG("Could not bind input XSQLDA");
goto _php_ibase_exec_error;
}
}
if (ib_query->statement_type == isc_info_sql_stmt_exec_procedure) {
isc_result = isc_dsql_execute2(IB_STATUS, &ib_query->trans->handle,
&ib_query->stmt, SQLDA_CURRENT_VERSION, in_sqlda, out_sqlda);
} else {
isc_result = isc_dsql_execute(IB_STATUS, &ib_query->trans->handle,
&ib_query->stmt, SQLDA_CURRENT_VERSION, in_sqlda);
}
if (isc_result) {
IBDEBUG("Could not execute query");
_php_ibase_error();
goto _php_ibase_exec_error;
}
ib_query->trans->affected_rows = 0;
switch (ib_query->statement_type) {
unsigned long affected_rows;
case isc_info_sql_stmt_insert:
case isc_info_sql_stmt_update:
case isc_info_sql_stmt_delete:
case isc_info_sql_stmt_exec_procedure:
if (isc_dsql_sql_info(IB_STATUS, &ib_query->stmt, sizeof(info_count),