diff options
Diffstat (limited to 'doc/src/sgml')
| -rw-r--r-- | doc/src/sgml/ecpg.sgml | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/doc/src/sgml/ecpg.sgml b/doc/src/sgml/ecpg.sgml index d081ed66625..3ce5f66f4ea 100644 --- a/doc/src/sgml/ecpg.sgml +++ b/doc/src/sgml/ecpg.sgml @@ -1375,10 +1375,13 @@ EXEC SQL END DECLARE SECTION; <title>Arrays</title> <para> - SQL-level arrays are not directly supported in ECPG. It is not - possible to simply map an SQL array into a C array host variable. - This will result in undefined behavior. Some workarounds exist, - however. + Multi-dimensional SQL-level arrays are not directly supported in ECPG. + One-dimensional SQL-level arrays can be mapped into C array host + variables and vice-versa. However, when creating a statement ecpg does + not know the types of the columns, so that it cannot check if a C array + is input into a corresponding SQL-level array. When processing the + output of a SQL statement, ecpg has the necessary information and thus + checks if both are arrays. </para> <para> |