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| author | George Peter Banyard <girgias@php.net> | 2020-12-23 01:48:58 +0100 |
|---|---|---|
| committer | George Peter Banyard <girgias@php.net> | 2021-01-06 10:20:57 +0000 |
| commit | ca5fcb83bfb54e930736f6fdf31ffbae6c479f78 (patch) | |
| tree | 744cb52ab582ea804c72cd7b556810b9a110fec0 /ext/pdo/php_pdo_driver.h | |
| parent | 01c8fe8fc030f488985f72d886eedd44209e1b96 (diff) | |
| download | php-git-ca5fcb83bfb54e930736f6fdf31ffbae6c479f78.tar.gz | |
Add/expand comments for PDO handlers
Diffstat (limited to 'ext/pdo/php_pdo_driver.h')
| -rw-r--r-- | ext/pdo/php_pdo_driver.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ext/pdo/php_pdo_driver.h b/ext/pdo/php_pdo_driver.h index ea78eb187d..8345d7f81e 100644 --- a/ext/pdo/php_pdo_driver.h +++ b/ext/pdo/php_pdo_driver.h @@ -255,7 +255,11 @@ typedef char *(*pdo_dbh_last_id_func)(pdo_dbh_t *dbh, const char *name, size_t * * specific data ... */ typedef int (*pdo_dbh_fetch_error_func)(pdo_dbh_t *dbh, pdo_stmt_t *stmt, zval *info); -/* fetching of attributes */ +/* fetching of attributes + * There are 3 return states: + * * -1 for errors while retrieving a valid attribute + * * 0 for attempting to retrieve an attribute which is not supported by the driver + * * any other value for success, *val must be set to the attribute value */ typedef int (*pdo_dbh_get_attr_func)(pdo_dbh_t *dbh, zend_long attr, zval *val); /* checking/pinging persistent connections; return SUCCESS if the connection |