void LOBBuffering_proc(OCILobLocator *Lob_loc, OCIEnv *envhp,
OCIError *errhp, OCISvcCtx *svchp, OCIStmt *stmthp)
{
ub4 amt;
ub4 offset;
sword retval;
ub1 bufp[MAXBUFLEN];
ub4 buflen;
printf ("----------- OCI LOB Buffering Demo --------------\n");
/* Open the CLOB: */
checkerr (errhp, (OCILobOpen(svchp, errhp, Lob_loc, OCI_LOB_READWRITE)));
/* Enable LOB Buffering: */
printf (" enable LOB buffering\n");
checkerr (errhp, OCILobEnableBuffering(svchp, errhp, Lob_loc));
printf (" write data to LOB\n");
/* Write data into the LOB: */
amt = sizeof(bufp);
buflen = sizeof(bufp);
offset = 1;
checkerr (errhp, OCILobWrite (svchp, errhp, Lob_loc, &amt,
offset, (void *)bufp, buflen,
OCI_ONE_PIECE, (void *)0,
(sb4 (*)(void*,void*,ub4*,ub1 *))0,
0, SQLCS_IMPLICIT));
/* Flush the buffer: */
printf(" flush the LOB buffers\n");
checkerr (errhp, OCILobFlushBuffer(svchp, errhp, Lob_loc,
(ub4)OCI_LOB_BUFFER_FREE));
/* Disable Buffering: */
printf (" disable LOB buffering\n");
checkerr (errhp, OCILobDisableBuffering(svchp, errhp, Lob_loc));
/* Subsequent LOB WRITEs will not use the LOB Buffering Subsystem: */
/* Closing the CLOB is mandatory if you have opened it: */
checkerr (errhp, OCILobClose(svchp, errhp, Lob_loc));
return;
}
void SqlLob::flush(ub4 flag)
{
sword res = OCICALL(OCILobFlushBuffer(_conn._svc_ctx, _conn._env._errh, _loc, flag));
oci_check_error(__TROTL_HERE__, _conn._env._errh, res);
};
static int oci_blob_flush(php_stream *stream)
{
struct oci_lob_self *self = (struct oci_lob_self*)stream->abstract;
OCILobFlushBuffer(self->S->H->svc, self->S->err, self->lob, 0);
return 0;
}
static int oci_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_data *param, enum pdo_param_event event_type) /* {{{ */
{
pdo_oci_stmt *S = (pdo_oci_stmt*)stmt->driver_data;
/* we're only interested in parameters for prepared SQL right now */
if (param->is_param) {
pdo_oci_bound_param *P;
sb4 value_sz = -1;
P = (pdo_oci_bound_param*)param->driver_data;
switch (event_type) {
case PDO_PARAM_EVT_FETCH_PRE:
case PDO_PARAM_EVT_FETCH_POST:
case PDO_PARAM_EVT_NORMALIZE:
/* Do nothing */
break;
case PDO_PARAM_EVT_FREE:
P = param->driver_data;
if (P) {
efree(P);
}
break;
case PDO_PARAM_EVT_ALLOC:
P = (pdo_oci_bound_param*)ecalloc(1, sizeof(pdo_oci_bound_param));
param->driver_data = P;
/* figure out what we're doing */
switch (PDO_PARAM_TYPE(param->param_type)) {
case PDO_PARAM_STMT:
return 0;
case PDO_PARAM_LOB:
/* P->thing is now an OCILobLocator * */
P->oci_type = SQLT_BLOB;
value_sz = sizeof(OCILobLocator*);
break;
case PDO_PARAM_STR:
default:
P->oci_type = SQLT_CHR;
value_sz = param->max_value_len;
if (param->max_value_len == 0) {
value_sz = 1332; /* maximum size before value is interpreted as a LONG value */
}
}
if (param->name) {
STMT_CALL(OCIBindByName, (S->stmt,
&P->bind, S->err, (text*)param->name,
param->namelen, 0, value_sz, P->oci_type,
&P->indicator, 0, &P->retcode, 0, 0,
OCI_DATA_AT_EXEC));
} else {
STMT_CALL(OCIBindByPos, (S->stmt,
&P->bind, S->err, param->paramno+1,
0, value_sz, P->oci_type,
&P->indicator, 0, &P->retcode, 0, 0,
OCI_DATA_AT_EXEC));
}
STMT_CALL(OCIBindDynamic, (P->bind,
S->err,
param, oci_bind_input_cb,
param, oci_bind_output_cb));
return 1;
case PDO_PARAM_EVT_EXEC_PRE:
P->indicator = 0;
P->used_for_output = 0;
if (PDO_PARAM_TYPE(param->param_type) == PDO_PARAM_LOB) {
ub4 empty = 0;
STMT_CALL(OCIDescriptorAlloc, (S->H->env, &P->thing, OCI_DTYPE_LOB, 0, NULL));
STMT_CALL(OCIAttrSet, (P->thing, OCI_DTYPE_LOB, &empty, 0, OCI_ATTR_LOBEMPTY, S->err));
S->have_blobs = 1;
}
return 1;
case PDO_PARAM_EVT_EXEC_POST:
/* fixup stuff set in motion in oci_bind_output_cb */
if (P->used_for_output) {
if (P->indicator == -1) {
/* set up a NULL value */
if (Z_TYPE_P(param->parameter) == IS_STRING
#if ZEND_EXTENSION_API_NO < 220040718
&& Z_STRVAL_P(param->parameter) != empty_string
#endif
) {
/* OCI likes to stick non-terminated strings in things */
*Z_STRVAL_P(param->parameter) = '\0';
}
zval_dtor(param->parameter);
ZVAL_NULL(param->parameter);
} else if (Z_TYPE_P(param->parameter) == IS_STRING
#if ZEND_EXTENSION_API_NO < 220040718
&& Z_STRVAL_P(param->parameter) != empty_string
#endif
) {
Z_STRLEN_P(param->parameter) = P->actual_len;
Z_STRVAL_P(param->parameter) = erealloc(Z_STRVAL_P(param->parameter), P->actual_len+1);
Z_STRVAL_P(param->parameter)[P->actual_len] = '\0';
}
} else if (PDO_PARAM_TYPE(param->param_type) == PDO_PARAM_LOB && P->thing) {
php_stream *stm;
if (Z_TYPE_P(param->parameter) == IS_NULL) {
/* if the param is NULL, then we assume that they
* wanted to bind a lob locator into it from the query
* */
stm = oci_create_lob_stream(stmt, (OCILobLocator*)P->thing);
if (stm) {
OCILobOpen(S->H->svc, S->err, (OCILobLocator*)P->thing, OCI_LOB_READWRITE);
php_stream_to_zval(stm, param->parameter);
P->thing = NULL;
}
} else {
/* we're a LOB being used for insert; transfer the data now */
size_t n;
ub4 amt, offset = 1;
char *consume;
php_stream_from_zval_no_verify(stm, ¶m->parameter);
if (stm) {
OCILobOpen(S->H->svc, S->err, (OCILobLocator*)P->thing, OCI_LOB_READWRITE);
do {
char buf[8192];
n = php_stream_read(stm, buf, sizeof(buf));
if ((int)n <= 0) {
break;
}
consume = buf;
do {
amt = n;
OCILobWrite(S->H->svc, S->err, (OCILobLocator*)P->thing,
&amt, offset, consume, n,
OCI_ONE_PIECE,
NULL, NULL, 0, SQLCS_IMPLICIT);
offset += amt;
n -= amt;
consume += amt;
} while (n);
} while (1);
OCILobClose(S->H->svc, S->err, (OCILobLocator*)P->thing);
OCILobFlushBuffer(S->H->svc, S->err, (OCILobLocator*)P->thing, 0);
} else if (Z_TYPE_P(param->parameter) == IS_STRING) {
/* stick the string into the LOB */
consume = Z_STRVAL_P(param->parameter);
n = Z_STRLEN_P(param->parameter);
if (n) {
OCILobOpen(S->H->svc, S->err, (OCILobLocator*)P->thing, OCI_LOB_READWRITE);
while (n) {
amt = n;
OCILobWrite(S->H->svc, S->err, (OCILobLocator*)P->thing,
&amt, offset, consume, n,
OCI_ONE_PIECE,
NULL, NULL, 0, SQLCS_IMPLICIT);
consume += amt;
n -= amt;
}
OCILobClose(S->H->svc, S->err, (OCILobLocator*)P->thing);
}
}
OCIDescriptorFree(P->thing, OCI_DTYPE_LOB);
P->thing = NULL;
}
}
return 1;
}
}
return 1;
} /* }}} */
