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oci8_statement.c
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2017 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: Stig Sæther Bakken <[email protected]> |
| Thies C. Arntzen <[email protected]> |
| |
| Collection support by Andy Sautins <[email protected]> |
| Temporary LOB support by David Benson <[email protected]> |
| ZTS per process OCIPLogon by Harald Radi <[email protected]> |
| |
| Redesigned by: Antony Dovgal <[email protected]> |
| Andi Gutmans <[email protected]> |
| Wez Furlong <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "ext/standard/info.h"
#include "php_ini.h"
#if HAVE_OCI8
#include "php_oci8.h"
#include "php_oci8_int.h"
#if defined(OCI_MAJOR_VERSION) && (OCI_MAJOR_VERSION > 10) && \
(defined(__x86_64__) || defined(__LP64__) || defined(_LP64) || defined(_WIN64))
typedef ub8 oci_phpsized_int;
#else
typedef ub4 oci_phpsized_int;
#endif
/* {{{ php_oci_statement_create()
Create statemend handle and allocate necessary resources */
php_oci_statement *php_oci_statement_create(php_oci_connection *connection, char *query, int query_len)
{
php_oci_statement *statement;
sword errstatus;
connection->errcode = 0; /* retain backwards compat with OCI8 1.4 */
statement = ecalloc(1,sizeof(php_oci_statement));
if (!query_len) {
/* do not allocate stmt handle for refcursors, we'll get it from OCIStmtPrepare2() */
PHP_OCI_CALL(OCIHandleAlloc, (connection->env, (dvoid **)&(statement->stmt), OCI_HTYPE_STMT, 0, NULL));
}
PHP_OCI_CALL(OCIHandleAlloc, (connection->env, (dvoid **)&(statement->err), OCI_HTYPE_ERROR, 0, NULL));
if (query_len > 0) {
PHP_OCI_CALL_RETURN(errstatus, OCIStmtPrepare2,
(
connection->svc,
&(statement->stmt),
connection->err,
(text *)query,
query_len,
NULL,
0,
OCI_NTV_SYNTAX,
OCI_DEFAULT
)
);
#ifdef HAVE_OCI8_DTRACE
if (DTRACE_OCI8_SQLTEXT_ENABLED()) {
DTRACE_OCI8_SQLTEXT(connection, connection->client_id, statement, query);
}
#endif /* HAVE_OCI8_DTRACE */
if (errstatus != OCI_SUCCESS) {
connection->errcode = php_oci_error(connection->err, errstatus);
PHP_OCI_CALL(OCIStmtRelease, (statement->stmt, statement->err, NULL, 0, OCI_STRLS_CACHE_DELETE));
PHP_OCI_CALL(OCIHandleFree,(statement->err, OCI_HTYPE_ERROR));
PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
efree(statement);
return NULL;
}
}
if (query && query_len) {
statement->last_query = ecalloc(1, query_len + 1);
memcpy(statement->last_query, query, query_len);
statement->last_query_len = query_len;
}
else {
statement->last_query = NULL;
statement->last_query_len = 0;
}
statement->connection = connection;
statement->has_data = 0;
statement->has_descr = 0;
statement->parent_stmtid = 0;
statement->impres_child_stmt = NULL;
statement->impres_count = 0;
statement->impres_flag = PHP_OCI_IMPRES_UNKNOWN; /* may or may not have Implicit Result Set children */
++GC_REFCOUNT(statement->connection->id);
if (OCI_G(default_prefetch) >= 0) {
php_oci_statement_set_prefetch(statement, (ub4)OCI_G(default_prefetch));
} else {
php_oci_statement_set_prefetch(statement, (ub4)100); /* semi-arbitrary, "sensible default" */
}
PHP_OCI_REGISTER_RESOURCE(statement, le_statement);
OCI_G(num_statements)++;
return statement;
}
/* }}} */
/* {{{ php_oci_get_implicit_resultset()
Fetch implicit result set statement resource */
php_oci_statement *php_oci_get_implicit_resultset(php_oci_statement *statement)
{
#if (OCI_MAJOR_VERSION < 12)
php_error_docref(NULL, E_WARNING, "Implicit results are available in Oracle Database 12c onwards");
return NULL;
#else
void *result;
ub4 rtype;
php_oci_statement *statement2; /* implicit result set statement handle */
sword errstatus;
PHP_OCI_CALL_RETURN(errstatus, OCIStmtGetNextResult, (statement->stmt, statement->err, &result, &rtype, OCI_DEFAULT));
if (errstatus == OCI_NO_DATA) {
return NULL;
}
if (rtype != OCI_RESULT_TYPE_SELECT) {
/* Only OCI_RESULT_TYPE_SELECT is supported by Oracle DB 12cR1 */
php_error_docref(NULL, E_WARNING, "Unexpected implicit result type returned from Oracle Database");
return NULL;
} else {
statement2 = ecalloc(1,sizeof(php_oci_statement));
PHP_OCI_CALL(OCIHandleAlloc, (statement->connection->env, (dvoid **)&(statement2->err), OCI_HTYPE_ERROR, 0, NULL));
statement2->stmt = (OCIStmt *)result;
statement2->parent_stmtid = statement->id;
statement2->impres_child_stmt = NULL;
statement2->impres_count = 0;
statement2->impres_flag = PHP_OCI_IMPRES_IS_CHILD;
statement2->connection = statement->connection;
statement2->errcode = 0;
statement2->last_query = NULL;
statement2->last_query_len = 0;
statement2->columns = NULL;
statement2->binds = NULL;
statement2->defines = NULL;
statement2->ncolumns = 0;
statement2->executed = 0;
statement2->has_data = 0;
statement2->has_descr = 0;
statement2->stmttype = 0;
GC_REFCOUNT(statement->id)++;
GC_REFCOUNT(statement2->connection->id)++;
php_oci_statement_set_prefetch(statement2, statement->prefetch_count);
PHP_OCI_REGISTER_RESOURCE(statement2, le_statement);
OCI_G(num_statements)++;
return statement2;
}
#endif /* OCI_MAJOR_VERSION < 12 */
}
/* }}} */
/* {{{ php_oci_statement_set_prefetch()
Set prefetch buffer size for the statement */
int php_oci_statement_set_prefetch(php_oci_statement *statement, ub4 prefetch )
{
sword errstatus;
if (prefetch > 20000) {
prefetch = 20000; /* keep it somewhat sane */
}
PHP_OCI_CALL_RETURN(errstatus, OCIAttrSet, (statement->stmt, OCI_HTYPE_STMT, &prefetch, 0, OCI_ATTR_PREFETCH_ROWS, statement->err));
if (errstatus != OCI_SUCCESS) {
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
statement->prefetch_count = 0;
return 1;
}
statement->prefetch_count = prefetch;
statement->errcode = 0; /* retain backwards compat with OCI8 1.4 */
return 0;
}
/* }}} */
/* {{{ php_oci_cleanup_pre_fetch()
Helper function to cleanup ref-cursors and descriptors from the previous row */
int php_oci_cleanup_pre_fetch(zval *data)
{
php_oci_out_column *outcol = (php_oci_out_column*) Z_PTR_P(data);
if (!outcol->is_descr && !outcol->is_cursor)
return ZEND_HASH_APPLY_KEEP;
switch(outcol->data_type) {
case SQLT_CLOB:
case SQLT_BLOB:
case SQLT_RDD:
case SQLT_BFILE:
if (outcol->descid) {
zend_list_delete(outcol->descid);
outcol->descid = 0;
}
break;
case SQLT_RSET:
if (outcol->stmtid) {
zend_list_delete(outcol->stmtid);
outcol->stmtid = 0;
outcol->nested_statement = NULL;
}
break;
default:
break;
}
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
/* {{{ php_oci_statement_fetch()
Fetch a row from the statement */
int php_oci_statement_fetch(php_oci_statement *statement, ub4 nrows)
{
int i;
void *handlepp;
ub4 typep, iterp, idxp;
ub1 in_outp, piecep;
zend_bool piecewisecols = 0;
php_oci_out_column *column;
sword errstatus;
statement->errcode = 0; /* retain backwards compat with OCI8 1.4 */
if (statement->has_descr && statement->columns) {
zend_hash_apply(statement->columns, php_oci_cleanup_pre_fetch);
}
PHP_OCI_CALL_RETURN(errstatus, OCIStmtFetch, (statement->stmt, statement->err, nrows, OCI_FETCH_NEXT, OCI_DEFAULT));
if (errstatus == OCI_NO_DATA || nrows == 0) {
if (statement->last_query == NULL) {
/* reset define-list for refcursors */
if (statement->columns) {
zend_hash_destroy(statement->columns);
efree(statement->columns);
statement->columns = NULL;
statement->ncolumns = 0;
}
statement->executed = 0;
}
statement->has_data = 0;
if (nrows == 0) {
/* this is exactly what we requested */
return 0;
}
return 1;
}
/* reset length for all piecewise columns */
for (i = 0; i < statement->ncolumns; i++) {
column = php_oci_statement_get_column(statement, i + 1, NULL, 0);
if (column && column->piecewise) {
column->retlen4 = 0;
piecewisecols = 1;
}
}
while (errstatus == OCI_NEED_DATA) {
if (piecewisecols) {
PHP_OCI_CALL_RETURN(errstatus,
OCIStmtGetPieceInfo,
(
statement->stmt,
statement->err,
&handlepp,
&typep,
&in_outp,
&iterp,
&idxp,
&piecep
)
);
/* scan through our columns for a piecewise column with a matching handle */
for (i = 0; i < statement->ncolumns; i++) {
column = php_oci_statement_get_column(statement, i + 1, NULL, 0);
if (column && column->piecewise && handlepp == column->oci_define) {
if (!column->data) {
column->data = (text *) ecalloc(1, PHP_OCI_PIECE_SIZE + 1);
} else {
column->data = erealloc(column->data, column->retlen4 + PHP_OCI_PIECE_SIZE + 1);
}
column->cb_retlen = PHP_OCI_PIECE_SIZE;
/* and instruct fetch to fetch waiting piece into our buffer */
PHP_OCI_CALL(OCIStmtSetPieceInfo,
(
(void *) column->oci_define,
OCI_HTYPE_DEFINE,
statement->err,
((char*)column->data) + column->retlen4,
&(column->cb_retlen),
piecep,
&column->indicator,
&column->retcode
)
);
}
}
}
PHP_OCI_CALL_RETURN(errstatus, OCIStmtFetch, (statement->stmt, statement->err, nrows, OCI_FETCH_NEXT, OCI_DEFAULT));
if (piecewisecols) {
for (i = 0; i < statement->ncolumns; i++) {
column = php_oci_statement_get_column(statement, i + 1, NULL, 0);
if (column && column->piecewise && handlepp == column->oci_define) {
column->retlen4 += column->cb_retlen;
}
}
}
}
if (errstatus == OCI_SUCCESS_WITH_INFO || errstatus == OCI_SUCCESS) {
statement->has_data = 1;
/* do the stuff needed for OCIDefineByName */
for (i = 0; i < statement->ncolumns; i++) {
column = php_oci_statement_get_column(statement, i + 1, NULL, 0);
if (column == NULL) {
continue;
}
if (!column->define) {
continue;
}
ZEND_ASSERT(Z_ISREF(column->define->val));
zval_ptr_dtor(Z_REFVAL(column->define->val));
ZVAL_NULL(Z_REFVAL(column->define->val));
php_oci_column_to_zval(column, Z_REFVAL(column->define->val), 0);
}
return 0;
}
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
statement->has_data = 0;
return 1;
}
/* }}} */
/* {{{ php_oci_statement_get_column()
Get column from the result set */
php_oci_out_column *php_oci_statement_get_column(php_oci_statement *statement, zend_long column_index, char *column_name, int column_name_len)
{
php_oci_out_column *column = NULL;
int i;
if (statement->columns == NULL) { /* we release the columns at the end of a fetch */
return NULL;
}
if (column_name) {
for (i = 0; i < statement->ncolumns; i++) {
column = php_oci_statement_get_column(statement, i + 1, NULL, 0);
if (column == NULL) {
continue;
} else if (((int) column->name_len == column_name_len) && (!strncmp(column->name, column_name, column_name_len))) {
return column;
}
}
} else if (column_index != -1) {
if ((column = zend_hash_index_find_ptr(statement->columns, column_index)) == NULL) {
return NULL;
}
return column;
}
return NULL;
}
/* }}} */
/* {{{ php_oci_define_callback() */
sb4 php_oci_define_callback(dvoid *ctx, OCIDefine *define, ub4 iter, dvoid **bufpp, ub4 **alenpp, ub1 *piecep, dvoid **indpp, ub2 **rcpp)
{
php_oci_out_column *outcol = (php_oci_out_column *)ctx;
if (!outcol) {
php_error_docref(NULL, E_WARNING, "Invalid context pointer value");
return OCI_ERROR;
}
switch(outcol->data_type) {
case SQLT_RSET: {
php_oci_statement *nested_stmt;
nested_stmt = php_oci_statement_create(outcol->statement->connection, NULL, 0);
if (!nested_stmt) {
return OCI_ERROR;
}
nested_stmt->parent_stmtid = outcol->statement->id;
++GC_REFCOUNT(outcol->statement->id);
outcol->nested_statement = nested_stmt;
outcol->stmtid = nested_stmt->id;
*bufpp = nested_stmt->stmt;
*alenpp = &(outcol->retlen4);
*piecep = OCI_ONE_PIECE;
*indpp = &(outcol->indicator);
*rcpp = &(outcol->retcode);
return OCI_CONTINUE;
}
break;
case SQLT_RDD:
case SQLT_BLOB:
case SQLT_CLOB:
case SQLT_BFILE: {
php_oci_descriptor *descr;
int dtype;
if (outcol->data_type == SQLT_BFILE) {
dtype = OCI_DTYPE_FILE;
} else if (outcol->data_type == SQLT_RDD ) {
dtype = OCI_DTYPE_ROWID;
} else {
dtype = OCI_DTYPE_LOB;
}
descr = php_oci_lob_create(outcol->statement->connection, dtype);
if (!descr) {
return OCI_ERROR;
}
outcol->descid = descr->id;
descr->charset_form = outcol->charset_form;
*bufpp = descr->descriptor;
*alenpp = &(outcol->retlen4);
*piecep = OCI_ONE_PIECE;
*indpp = &(outcol->indicator);
*rcpp = &(outcol->retcode);
return OCI_CONTINUE;
}
break;
}
return OCI_ERROR;
}
/* }}} */
/* {{{ php_oci_statement_execute()
Execute statement */
int php_oci_statement_execute(php_oci_statement *statement, ub4 mode)
{
php_oci_out_column *outcol;
OCIParam *param = NULL;
text *colname;
ub4 counter;
ub2 define_type;
ub4 iters;
ub4 colcount;
ub2 dynamic;
dvoid *buf;
sword errstatus;
switch (mode) {
case OCI_COMMIT_ON_SUCCESS:
case OCI_DESCRIBE_ONLY:
case OCI_DEFAULT:
/* only these are allowed */
#ifdef HAVE_OCI8_DTRACE
if (DTRACE_OCI8_EXECUTE_MODE_ENABLED()) {
DTRACE_OCI8_EXECUTE_MODE(statement->connection, statement->connection->client_id, statement, mode);
}
#endif /* HAVE_OCI8_DTRACE */
break;
default:
php_error_docref(NULL, E_WARNING, "Invalid execute mode given: %d", mode);
return 1;
break;
}
if (!statement->stmttype) {
/* get statement type */
PHP_OCI_CALL_RETURN(errstatus, OCIAttrGet, ((dvoid *)statement->stmt, OCI_HTYPE_STMT, (ub2 *)&statement->stmttype, (ub4 *)0, OCI_ATTR_STMT_TYPE, statement->err));
if (errstatus != OCI_SUCCESS) {
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
} else {
statement->errcode = 0; /* retain backwards compat with OCI8 1.4 */
}
}
if (statement->stmttype == OCI_STMT_SELECT) {
iters = 0;
} else {
iters = 1;
}
if (statement->last_query) { /* Don't execute REFCURSORS or Implicit Result Set handles */
if (statement->binds) {
int result = 0;
zend_hash_apply_with_argument(statement->binds, php_oci_bind_pre_exec, (void *)&result);
if (result) {
return 1;
}
}
/* execute statement */
PHP_OCI_CALL_RETURN(errstatus, OCIStmtExecute, (statement->connection->svc, statement->stmt, statement->err, iters, 0, NULL, NULL, mode));
if (errstatus != OCI_SUCCESS) {
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
if (statement->binds) {
zend_hash_apply(statement->binds, php_oci_bind_post_exec);
}
if (mode & OCI_COMMIT_ON_SUCCESS) {
/* No need to rollback on disconnect */
statement->connection->rb_on_disconnect = 0;
} else if (statement->stmttype != OCI_STMT_SELECT) {
/* Assume some uncommitted DML occurred */
statement->connection->rb_on_disconnect = 1;
}
/* else for SELECT with OCI_NO_AUTO_COMMIT, leave
* "rb_on_disconnect" at its previous value. SELECT can't
* initiate uncommitted DML. (An AUTONOMOUS_TRANSACTION in
* invoked PL/SQL must explicitly rollback/commit else the
* SELECT fails).
*/
statement->errcode = 0; /* retain backwards compat with OCI8 1.4 */
}
if (statement->stmttype == OCI_STMT_SELECT && statement->executed == 0) {
/* we only need to do the define step is this very statement is executed the first time! */
statement->executed = 1;
ALLOC_HASHTABLE(statement->columns);
zend_hash_init(statement->columns, 13, NULL, php_oci_column_hash_dtor, 0);
counter = 1;
/* get number of columns */
PHP_OCI_CALL_RETURN(errstatus, OCIAttrGet, ((dvoid *)statement->stmt, OCI_HTYPE_STMT, (dvoid *)&colcount, (ub4 *)0, OCI_ATTR_PARAM_COUNT, statement->err));
if (errstatus != OCI_SUCCESS) {
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
statement->ncolumns = colcount;
for (counter = 1; counter <= colcount; counter++) {
outcol = (php_oci_out_column *) ecalloc(1, sizeof(php_oci_out_column));
if ((outcol = zend_hash_index_update_ptr(statement->columns, counter, outcol)) == NULL) {
FREE_HASHTABLE(statement->columns);
/* out of memory */
return 1;
}
/* get column */
PHP_OCI_CALL_RETURN(errstatus, OCIParamGet, ((dvoid *)statement->stmt, OCI_HTYPE_STMT, statement->err, (dvoid**)¶m, counter));
if (errstatus != OCI_SUCCESS) {
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
/* get column datatype */
PHP_OCI_CALL_RETURN(errstatus, OCIAttrGet, ((dvoid *)param, OCI_DTYPE_PARAM, (dvoid *)&outcol->data_type, (ub4 *)0, OCI_ATTR_DATA_TYPE, statement->err));
if (errstatus != OCI_SUCCESS) {
PHP_OCI_CALL(OCIDescriptorFree, (param, OCI_DTYPE_PARAM));
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
/* get character set form */
PHP_OCI_CALL_RETURN(errstatus, OCIAttrGet, ((dvoid *)param, OCI_DTYPE_PARAM, (dvoid *)&outcol->charset_form, (ub4 *)0, OCI_ATTR_CHARSET_FORM, statement->err));
if (errstatus != OCI_SUCCESS) {
PHP_OCI_CALL(OCIDescriptorFree, (param, OCI_DTYPE_PARAM));
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
/* get character set id */
PHP_OCI_CALL_RETURN(errstatus, OCIAttrGet, ((dvoid *)param, OCI_DTYPE_PARAM, (dvoid *)&outcol->charset_id, (ub4 *)0, OCI_ATTR_CHARSET_ID, statement->err));
if (errstatus != OCI_SUCCESS) {
PHP_OCI_CALL(OCIDescriptorFree, (param, OCI_DTYPE_PARAM));
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
/* get size of the column */
PHP_OCI_CALL_RETURN(errstatus, OCIAttrGet, ((dvoid *)param, OCI_DTYPE_PARAM, (dvoid *)&outcol->data_size, (dvoid *)0, OCI_ATTR_DATA_SIZE, statement->err));
if (errstatus != OCI_SUCCESS) {
PHP_OCI_CALL(OCIDescriptorFree, (param, OCI_DTYPE_PARAM));
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
outcol->storage_size4 = outcol->data_size;
outcol->retlen = outcol->data_size;
/* get scale of the column */
PHP_OCI_CALL_RETURN(errstatus, OCIAttrGet, ((dvoid *)param, OCI_DTYPE_PARAM, (dvoid *)&outcol->scale, (dvoid *)0, OCI_ATTR_SCALE, statement->err));
if (errstatus != OCI_SUCCESS) {
PHP_OCI_CALL(OCIDescriptorFree, (param, OCI_DTYPE_PARAM));
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
/* get precision of the column */
PHP_OCI_CALL_RETURN(errstatus, OCIAttrGet, ((dvoid *)param, OCI_DTYPE_PARAM, (dvoid *)&outcol->precision, (dvoid *)0, OCI_ATTR_PRECISION, statement->err));
if (errstatus != OCI_SUCCESS) {
PHP_OCI_CALL(OCIDescriptorFree, (param, OCI_DTYPE_PARAM));
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
/* get name of the column */
PHP_OCI_CALL_RETURN(errstatus, OCIAttrGet, ((dvoid *)param, OCI_DTYPE_PARAM, (dvoid **)&colname, (ub4 *)&outcol->name_len, (ub4)OCI_ATTR_NAME, statement->err));
if (errstatus != OCI_SUCCESS) {
PHP_OCI_CALL(OCIDescriptorFree, (param, OCI_DTYPE_PARAM));
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
PHP_OCI_CALL(OCIDescriptorFree, (param, OCI_DTYPE_PARAM));
outcol->name = ecalloc(1, outcol->name_len + 1);
memcpy(outcol->name, colname, outcol->name_len);
/* find a user-set define */
if (statement->defines) {
if ((outcol->define = zend_hash_str_find_ptr(statement->defines, outcol->name, outcol->name_len)) != NULL) {
if (outcol->define->type) {
outcol->data_type = outcol->define->type;
}
}
}
buf = 0;
switch (outcol->data_type) {
case SQLT_RSET:
outcol->statement = statement; /* parent handle */
define_type = SQLT_RSET;
outcol->is_cursor = 1;
outcol->statement->has_descr = 1;
outcol->storage_size4 = -1;
outcol->retlen = -1;
dynamic = OCI_DYNAMIC_FETCH;
break;
case SQLT_RDD: /* ROWID */
case SQLT_BLOB: /* binary LOB */
case SQLT_CLOB: /* character LOB */
case SQLT_BFILE: /* binary file LOB */
outcol->statement = statement; /* parent handle */
define_type = outcol->data_type;
outcol->is_descr = 1;
outcol->statement->has_descr = 1;
outcol->storage_size4 = -1;
outcol->chunk_size = 0;
dynamic = OCI_DYNAMIC_FETCH;
break;
case SQLT_LNG:
case SQLT_LBI:
if (outcol->data_type == SQLT_LBI) {
define_type = SQLT_BIN;
} else {
define_type = SQLT_CHR;
}
outcol->storage_size4 = PHP_OCI_MAX_DATA_SIZE;
outcol->piecewise = 1;
dynamic = OCI_DYNAMIC_FETCH;
break;
case SQLT_BIN:
default:
define_type = SQLT_CHR;
if (outcol->data_type == SQLT_BIN) {
define_type = SQLT_BIN;
}
if ((outcol->data_type == SQLT_DAT) || (outcol->data_type == SQLT_NUM)
#ifdef SQLT_TIMESTAMP
|| (outcol->data_type == SQLT_TIMESTAMP)
#endif
#ifdef SQLT_TIMESTAMP_TZ
|| (outcol->data_type == SQLT_TIMESTAMP_TZ)
#endif
#ifdef SQLT_TIMESTAMP_LTZ
|| (outcol->data_type == SQLT_TIMESTAMP_LTZ)
#endif
#ifdef SQLT_INTERVAL_YM
|| (outcol->data_type == SQLT_INTERVAL_YM)
#endif
#ifdef SQLT_INTERVAL_DS
|| (outcol->data_type == SQLT_INTERVAL_DS)
#endif
) {
outcol->storage_size4 = 512; /* XXX this should fit "most" NLS date-formats and Numbers */
#if defined(SQLT_IBFLOAT) && defined(SQLT_IBDOUBLE)
} else if (outcol->data_type == SQLT_IBFLOAT || outcol->data_type == SQLT_IBDOUBLE) {
outcol->storage_size4 = 1024;
#endif
} else {
outcol->storage_size4++; /* add one for string terminator */
}
outcol->storage_size4 *= 3;
dynamic = OCI_DEFAULT;
buf = outcol->data = (text *) safe_emalloc(1, outcol->storage_size4, 0);
memset(buf, 0, outcol->storage_size4);
break;
}
if (dynamic == OCI_DYNAMIC_FETCH) {
PHP_OCI_CALL_RETURN(errstatus,
OCIDefineByPos,
(
statement->stmt, /* IN/OUT handle to the requested SQL query */
(OCIDefine **)&outcol->oci_define, /* IN/OUT pointer to a pointer to a define handle */
statement->err, /* IN/OUT An error handle */
counter, /* IN position in the select list */
(dvoid *)NULL, /* IN/OUT pointer to a buffer */
outcol->storage_size4, /* IN The size of each valuep buffer in bytes */
define_type, /* IN The data type */
(dvoid *)&outcol->indicator, /* IN pointer to an indicator variable or arr */
(ub2 *)NULL, /* IN/OUT Pointer to array of length of data fetched */
(ub2 *)NULL, /* OUT Pointer to array of column-level return codes */
OCI_DYNAMIC_FETCH /* IN mode (OCI_DEFAULT, OCI_DYNAMIC_FETCH) */
)
);
} else {
PHP_OCI_CALL_RETURN(errstatus,
OCIDefineByPos,
(
statement->stmt, /* IN/OUT handle to the requested SQL query */
(OCIDefine **)&outcol->oci_define, /* IN/OUT pointer to a pointer to a define handle */
statement->err, /* IN/OUT An error handle */
counter, /* IN position in the select list */
(dvoid *)buf, /* IN/OUT pointer to a buffer */
outcol->storage_size4, /* IN The size of each valuep buffer in bytes */
define_type, /* IN The data type */
(dvoid *)&outcol->indicator, /* IN pointer to an indicator variable or arr */
(ub2 *)&outcol->retlen, /* IN/OUT Pointer to array of length of data fetched */
(ub2 *)&outcol->retcode, /* OUT Pointer to array of column-level return codes */
OCI_DEFAULT /* IN mode (OCI_DEFAULT, OCI_DYNAMIC_FETCH) */
)
);
}
if (errstatus != OCI_SUCCESS) {
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
/* additional OCIDefineDynamic() call */
switch (outcol->data_type) {
case SQLT_RSET:
case SQLT_RDD:
case SQLT_BLOB:
case SQLT_CLOB:
case SQLT_BFILE:
PHP_OCI_CALL_RETURN(errstatus,
OCIDefineDynamic,
(
outcol->oci_define,
statement->err,
(dvoid *)outcol,
php_oci_define_callback
)
);
if (errstatus != OCI_SUCCESS) {
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
break;
}
}
statement->errcode = 0; /* retain backwards compat with OCI8 1.4 */
}
return 0;
}
/* }}} */
/* {{{ php_oci_statement_cancel()
Cancel statement */
int php_oci_statement_cancel(php_oci_statement *statement)
{
return php_oci_statement_fetch(statement, 0);
}
/* }}} */
/* {{{ php_oci_statement_free()
Destroy statement handle and free associated resources */
void php_oci_statement_free(php_oci_statement *statement)
{
if (statement->stmt) {
if (statement->last_query_len) { /* FIXME: magical */
PHP_OCI_CALL(OCIStmtRelease, (statement->stmt, statement->err, NULL, 0, statement->errcode ? OCI_STRLS_CACHE_DELETE : OCI_DEFAULT));
} else if (statement->impres_flag != PHP_OCI_IMPRES_IS_CHILD) { /* Oracle doc says don't free Implicit Result Set handles */
PHP_OCI_CALL(OCIHandleFree, (statement->stmt, OCI_HTYPE_STMT));
}
statement->stmt = NULL;
}
if (statement->err) {
PHP_OCI_CALL(OCIHandleFree, (statement->err, OCI_HTYPE_ERROR));
statement->err = NULL;
}
if (statement->last_query) {
efree(statement->last_query);
}
if (statement->binds) {
zend_hash_destroy(statement->binds);
efree(statement->binds);
}
if (statement->defines) {
zend_hash_destroy(statement->defines);
efree(statement->defines);
}
if (statement->columns) {
zend_hash_destroy(statement->columns);
efree(statement->columns);
}
if (statement->parent_stmtid) {
zend_list_delete(statement->parent_stmtid);
}
zend_list_delete(statement->connection->id);
efree(statement);
OCI_G(num_statements)--;
}
/* }}} */
/* {{{ php_oci_bind_pre_exec()
Helper function */
int php_oci_bind_pre_exec(zval *data, void *result)
{
php_oci_bind *bind = (php_oci_bind *) Z_PTR_P(data);
zval *zv = &bind->val;
*(int *)result = 0;
ZVAL_DEREF(zv);
if (Z_TYPE_P(zv) == IS_ARRAY) {
/* These checks are currently valid for oci_bind_by_name, not
* oci_bind_array_by_name. Also bind->type and
* bind->indicator are not used for oci_bind_array_by_name.
*/
return 0;
}
switch (bind->type) {
case SQLT_NTY:
case SQLT_BFILEE:
case SQLT_CFILEE:
case SQLT_CLOB:
case SQLT_BLOB:
case SQLT_RDD:
if (Z_TYPE_P(zv) != IS_OBJECT) {
php_error_docref(NULL, E_WARNING, "Invalid variable used for bind");
*(int *)result = 1;
}
break;
case SQLT_CHR:
case SQLT_AFC:
case SQLT_INT:
case SQLT_NUM:
#if defined(OCI_MAJOR_VERSION) && OCI_MAJOR_VERSION >= 12
case SQLT_BOL:
#endif
case SQLT_LBI:
case SQLT_BIN:
case SQLT_LNG:
if (Z_TYPE_P(zv) == IS_RESOURCE || Z_TYPE_P(zv) == IS_OBJECT) {
php_error_docref(NULL, E_WARNING, "Invalid variable used for bind");
*(int *)result = 1;
}
break;
case SQLT_RSET:
if (Z_TYPE_P(zv) != IS_RESOURCE) {
php_error_docref(NULL, E_WARNING, "Invalid variable used for bind");
*(int *)result = 1;
}
break;
}
/* reset all bind stuff to a normal state... */
bind->indicator = 0;
return 0;
}
/* }}} */
/* {{{ php_oci_bind_post_exec()
Helper function */
int php_oci_bind_post_exec(zval *data)
{
php_oci_bind *bind = (php_oci_bind *) Z_PTR_P(data);
php_oci_connection *connection = bind->parent_statement->connection;
sword errstatus;
zval *zv = &bind->val;
ZVAL_DEREF(zv);
if (bind->indicator == -1) { /* NULL */
if (Z_TYPE_P(zv) == IS_STRING) {
*Z_STRVAL_P(zv) = '\0'; /* XXX avoid warning in debug mode */
}
zval_ptr_dtor(zv);
ZVAL_NULL(zv);
} else if (Z_TYPE_P(zv) == IS_STRING
&& Z_STRLEN_P(zv) > 0
&& Z_STRVAL_P(zv)[ Z_STRLEN_P(zv) ] != '\0') {
/* The post- PHP 5.3 feature for "interned" strings disallows
* their reallocation but (i) any IN binds either interned or
* not should already be null terminated and (ii) for OUT
* binds, php_oci_bind_out_callback() should have allocated a
* new string that we can modify here.
*/
SEPARATE_STRING(zv);
Z_STR_P(zv) = zend_string_extend(Z_STR_P(zv), Z_STRLEN_P(zv)+1, 0);
Z_STRVAL_P(zv)[ Z_STRLEN_P(zv) ] = '\0';
} else if (Z_TYPE_P(zv) == IS_ARRAY) {
int i;