diff options
Diffstat (limited to 'odb/oracle/statement.cxx')
| -rw-r--r-- | odb/oracle/statement.cxx | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/odb/oracle/statement.cxx b/odb/oracle/statement.cxx index 5d992b7..ab0068c 100644 --- a/odb/oracle/statement.cxx +++ b/odb/oracle/statement.cxx @@ -207,11 +207,37 @@ namespace odb b->type == bind::clob || b->type == bind::nclob) { + // When binding a LOB result, the bind::size member is reinterpreted + // as a pointer to an auto_descriptor<OCILobLocator>. If the + // descriptor has not yet been allocated, it is allocated now. + // + auto_descriptor<OCILobLocator>* lob ( + reinterpret_cast<auto_descriptor<OCILobLocator>*> (b->size)); + + if (lob->get () == 0) + { + OCILobLocator* h (0); + + sword r (OCIDescriptorAlloc (conn_.database ().environment (), + reinterpret_cast<void**> (&h), + OCI_DTYPE_LOB, + 0, + 0)); + + // OCIDescriptorAlloc will return OCI_SUCCESS on success, or + // OCI_INVALID_HANDLE on an out-of-memory condition. + // + if (r != OCI_SUCCESS) + throw bad_alloc (); + + lob->reset (h); + } + sword r (OCIDefineByPos (stmt_, &h, err, i, - reinterpret_cast<OCILobLocator*> (b->size), + lob, sizeof (OCILobLocator*), sqlt_lookup[b->type], b->indicator, |