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Added pg_fetch_all_columns() function to fetch all values of a column from

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a result cursor.
This commit is contained in:
Ilia Alshanetsky 2005-07-08 00:40:32 +00:00
parent 71d28a82cf
commit ef7bd06657
3 changed files with 45 additions and 0 deletions
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2
NEWS
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@ -5,6 +5,8 @@ PHP NEWS
- Added PDO_MYSQL_ATTR_USE_BUFFERED_QUERY parameter for pdo_mysql. (Ilia)
- Added date_timezone_set() function to set the timezone that the date
functions will use. (Derick)
- Added pg_fetch_all_columns() function to fetch all values of a column from
a result cursor. (Ilia)
- Implemented feature request #33452 (Year belonging to ISO week). (Derick)
- Fixed support for shared extensions on AIX. (Dmitry)
- Fixed memory corruption in pg_copy_from() in case the as_null parameter was

42
ext/pgsql/pgsql.c
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@ -127,6 +127,7 @@ function_entry pgsql_functions[] = {
PHP_FE(pg_fetch_array, NULL)
PHP_FE(pg_fetch_object, NULL)
PHP_FE(pg_fetch_all, NULL)
PHP_FE(pg_fetch_all_columns, NULL)
#if HAVE_PQCMDTUPLES
PHP_FE(pg_affected_rows,NULL)
#endif
@ -2101,6 +2102,47 @@ PHP_FUNCTION(pg_fetch_all)
}
/* }}} */
/* {{{ proto array pg_fetch_all_columns(resource result [, int column_number])
Fetch all rows into array */
PHP_FUNCTION(pg_fetch_all_columns)
{
zval *result;
PGresult *pgsql_result;
pgsql_result_handle *pg_result;
long colno=0;
int pg_numrows, pg_row;
size_t num_fields;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &result, &colno) == FAILURE) {
RETURN_FALSE;
}
ZEND_FETCH_RESOURCE(pg_result, pgsql_result_handle *, &result, -1, "PostgreSQL result", le_result);
pgsql_result = pg_result->result;
num_fields = PQnfields(pgsql_result);
if (colno >= num_fields || colno < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid column number '%ld'", colno);
RETURN_FALSE;
}
array_init(return_value);
if ((pg_numrows = PQntuples(pgsql_result)) <= 0) {
return;
}
for (pg_row = 0; pg_row < pg_numrows; pg_row++) {
if (PQgetisnull(pgsql_result, pg_row, colno)) {
add_next_index_null(return_value);
} else {
add_next_index_string(return_value, PQgetvalue(pgsql_result, pg_row, colno), 1);
}
}
}
/* }}} */
/* {{{ proto bool pg_result_seek(resource result, int offset)
Set internal row offset */
PHP_FUNCTION(pg_result_seek)

1
ext/pgsql/php_pgsql.h
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@ -107,6 +107,7 @@ PHP_FUNCTION(pg_fetch_object);
PHP_FUNCTION(pg_fetch_result);
PHP_FUNCTION(pg_fetch_row);
PHP_FUNCTION(pg_fetch_all);
PHP_FUNCTION(pg_fetch_all_columns);
#if HAVE_PQCMDTUPLES
PHP_FUNCTION(pg_affected_rows);
#endif