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Release skiped results. This will free memory on the server.

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Make mssql_execute work for stored procedures with and without returning result sets
This commit is contained in:
Frank M. Kromann 2003-01-12 06:28:41 +00:00
parent 091609d661
commit 874cddd4ae
1 changed files with 34 additions and 31 deletions
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65
ext/mssql/php_mssql.c
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@ -1105,21 +1105,16 @@ PHP_FUNCTION(mssql_query)
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to set query");
RETURN_FALSE;
}
if (dbsqlexec(mssql_ptr->link)==FAIL || dbresults(mssql_ptr->link)==FAIL) {
if (dbsqlexec(mssql_ptr->link)==FAIL || (retvalue = dbresults(mssql_ptr->link))==FAIL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Query failed");
RETURN_FALSE;
}
/* The following is more or less the equivalent of mysql_store_result().
* fetch all rows from the server into the row buffer, thus:
* 1) Being able to fire up another query without explicitly reading all rows
* 2) Having numrows accessible
*/
#ifdef HAVE_FREETDS
// Skip results not returning any columns
while ((num_fields = dbnumcols(mssql_ptr->link)) <= 0 && retvalue == SUCCEED) {
retvalue = dbresults(mssql_ptr->link);
}
if ((num_fields = dbnumcols(mssql_ptr->link)) <= 0) {
#else
if ((num_fields = dbnumcols(mssql_ptr->link)) <= 0 && !dbdataready(mssql_ptr->link)) {
#endif
RETURN_TRUE;
}
@ -1186,6 +1181,7 @@ PHP_FUNCTION(mssql_free_result)
ZEND_FETCH_RESOURCE(result, mssql_result *, mssql_result_index, -1, "MS SQL-result", le_result);
/* Release remaining results */
do {
dbcanquery(result->mssql_ptr->link);
retvalue = dbresults(result->mssql_ptr->link);
} while (retvalue == SUCCEED);
@ -2026,7 +2022,7 @@ PHP_FUNCTION(mssql_execute)
{
zval **stmt, **skip;
zend_bool skip_results = 0;
int retvalue,retval_results;
int retvalue, retval_results;
mssql_link *mssql_ptr;
mssql_statement *statement;
mssql_result *result;
@ -2036,7 +2032,7 @@ PHP_FUNCTION(mssql_execute)
int ac = ZEND_NUM_ARGS();
batchsize = MS_SQL_G(batchsize);
if (ac < 1 || ac > 2 || zend_get_parameters_ex(1, &stmt, &skip)==FAILURE) {
if (ac < 1 || ac > 2 || zend_get_parameters_ex(ac, &stmt, &skip)==FAILURE) {
WRONG_PARAM_COUNT;
}
if (ac == 2) {
@ -2064,34 +2060,40 @@ PHP_FUNCTION(mssql_execute)
*/
result=NULL;
if (retval_results == SUCCEED) {
if ( (retvalue=(dbnextrow(mssql_ptr->link)))!=NO_MORE_ROWS ) {
num_fields = dbnumcols(mssql_ptr->link);
if (num_fields <= 0) {
RETURN_TRUE;
}
result = (mssql_result *) emalloc(sizeof(mssql_result));
result->batchsize = batchsize;
result->blocks_initialized = 1;
result->data = (zval **) emalloc(sizeof(zval *)*MSSQL_ROWS_BLOCK);
result->mssql_ptr = mssql_ptr;
result->cur_field=result->cur_row=result->num_rows=0;
result->num_fields = num_fields;
result->fields = (mssql_field *) emalloc(sizeof(mssql_field)*num_fields);
result->num_rows = _mssql_fetch_batch(mssql_ptr, result, retvalue TSRMLS_CC);
result->statement = statement;
}
if (skip_results) {
do {
dbcanquery(mssql_ptr->link);
retval_results = dbresults(mssql_ptr->link);
} while (retval_results == SUCCEED);
_mssql_get_sp_result(mssql_ptr, statement TSRMLS_CC);
}
else {
// Skip results not returning any columns
while ((num_fields = dbnumcols(mssql_ptr->link)) <= 0 && retval_results == SUCCEED) {
retval_results = dbresults(mssql_ptr->link);
}
if ((num_fields = dbnumcols(mssql_ptr->link)) > 0) {
retvalue = dbnextrow(mssql_ptr->link);
result = (mssql_result *) emalloc(sizeof(mssql_result));
result->batchsize = batchsize;
result->blocks_initialized = 1;
result->data = (zval **) emalloc(sizeof(zval *)*MSSQL_ROWS_BLOCK);
result->mssql_ptr = mssql_ptr;
result->cur_field=result->cur_row=result->num_rows=0;
result->num_fields = num_fields;
result->fields = (mssql_field *) emalloc(sizeof(mssql_field)*num_fields);
result->num_rows = _mssql_fetch_batch(mssql_ptr, result, retvalue TSRMLS_CC);
result->statement = statement;
}
else {
_mssql_get_sp_result(mssql_ptr, statement TSRMLS_CC);
}
}
}
else if (retval_results == NO_MORE_RESULTS || retval_results == NO_MORE_RPC_RESULTS) {
_mssql_get_sp_result(mssql_ptr, statement TSRMLS_CC);
_mssql_get_sp_result(mssql_ptr, statement TSRMLS_CC);
}
if (result==NULL) {
@ -2122,6 +2124,7 @@ PHP_FUNCTION(mssql_free_statement)
ZEND_FETCH_RESOURCE(statement, mssql_statement *, mssql_statement_index, -1, "MS SQL-statement", le_statement);
/* Release remaining results */
do {
dbcanquery(statement->link->link);
retvalue = dbresults(statement->link->link);
} while (retvalue == SUCCEED);