/*
* Blob read request
*/
static glong
gda_sqlite_blob_op_read (GdaBlobOp *op, GdaBlob *blob, glong offset, glong size)
{
GdaSqliteBlobOp *bop;
GdaBinary *bin;
gpointer buffer = NULL;
int rc;
g_return_val_if_fail (GDA_IS_SQLITE_BLOB_OP (op), -1);
bop = GDA_SQLITE_BLOB_OP (op);
GdaSqliteBlobOpPrivate *priv = gda_sqlite_blob_op_get_instance_private (bop);
g_return_val_if_fail (priv->sblob, -1);
if (offset >= G_MAXINT)
return -1;
g_return_val_if_fail (blob, -1);
if (offset > G_MAXINT)
return -1;
if (size > G_MAXINT)
return -1;
GdaSqliteProvider *prov = g_weak_ref_get (&priv->provider);
g_return_val_if_fail (prov != NULL, -1);
bin = gda_blob_get_binary (blob);
gda_binary_set_data (bin, (guchar*) "", 0);
/* fetch blob data using C API into bin->data, and set bin->binary_length */
int rsize;
int len;
len = SQLITE3_CALL (prov, sqlite3_blob_bytes) (priv->sblob);
if (len < 0){
g_object_unref (prov);
return -1;
} else if (len == 0) {
g_object_unref (prov);
return 0;
}
rsize = (int) size;
if (offset >= len) {
g_object_unref (prov);
return -1;
}
if (len - offset < rsize)
rsize = len - offset;
rc = SQLITE3_CALL (prov, sqlite3_blob_read) (priv->sblob, buffer, rsize, offset);
if (rc != SQLITE_OK) {
gda_binary_reset_data (bin);
g_object_unref (prov);
return -1;
}
gda_binary_set_data (bin, buffer, rsize);
g_object_unref (prov);
return gda_binary_get_size (bin);
}
/**
* gda_xa_transaction_register_connection:
* @xa_trans: a #GdaXaTransaction object
* @cnc: the connection to add to @xa_trans
* @branch: the branch qualifier
* @error: (nullable): a place to store errors, or %NULL
*
* Registers @cnc to be used by @xa_trans to create a distributed transaction.
*
* Note: any #GdaConnection object can only be registered with at most one #GdaXaTransaction object; also
* some connections may not be registered at all with a #GdaXaTransaction object because the database
* provider being used does not support it.
*
* Returns: %TRUE if no error occurred
*/
gboolean
gda_xa_transaction_register_connection (GdaXaTransaction *xa_trans, GdaConnection *cnc,
const gchar *branch, GError **error)
{
GdaBinary *bin;
g_return_val_if_fail (GDA_IS_XA_TRANSACTION (xa_trans), FALSE);
g_return_val_if_fail (GDA_IS_CONNECTION (cnc), FALSE);
g_return_val_if_fail (branch && *branch, FALSE);
GdaXaTransactionPrivate *priv = gda_xa_transaction_get_instance_private (xa_trans);
if (strlen (branch) >= 64) {
g_set_error (error, GDA_XA_TRANSACTION_ERROR,
GDA_XA_TRANSACTION_CONNECTION_BRANCH_LENGTH_ERROR,
"%s", _("Connection branch cannot exceed 63 bytes"));
return FALSE;
}
const GdaBinary *ebranch = g_hash_table_lookup (priv->cnc_hash, cnc);
if (ebranch) {
bin = gda_binary_new ();
gda_binary_set_data (bin, (const guchar *)branch, strlen (branch) + 1);
g_hash_table_insert (priv->cnc_hash, cnc, bin);
return TRUE;
}
/* check that @cnc is not already registered with another GdaXaTransaction object */
if (g_object_get_data (G_OBJECT (cnc), "_gda_xa_transaction")) {
g_set_error (error, GDA_XA_TRANSACTION_ERROR,
GDA_XA_TRANSACTION_ALREADY_REGISTERED_ERROR,
"%s", _("Connection already registered with another GdaXaTransaction object"));
return FALSE;
}
/* check that connection supports distributed transaction, only ONE connection in @xa_trans is allowed
* to not support them */
GdaServerProvider *prov;
prov = gda_connection_get_provider (cnc);
if (!gda_server_provider_supports_feature (prov, cnc, GDA_CONNECTION_FEATURE_XA_TRANSACTIONS)) {
/* if another connection does not support distributed transaction, then there is an error */
if (priv->non_xa_cnc) {
g_set_error (error, GDA_XA_TRANSACTION_ERROR,
GDA_XA_TRANSACTION_DTP_NOT_SUPPORTED_ERROR,
"%s", _("Connection does not support distributed transaction"));
return FALSE;
}
else
priv->non_xa_cnc = cnc;
}
bin = gda_binary_new ();
gda_binary_set_data (bin, (const guchar *)branch, strlen (branch) + 1);
priv->cnc_list = g_list_prepend (priv->cnc_list, cnc);
g_hash_table_insert (priv->cnc_hash, cnc, bin);
g_object_ref (cnc);
g_object_set_data (G_OBJECT (cnc), "_gda_xa_transaction", xa_trans);
return TRUE;
}
int
main (int argc, char** argv)
{
gchar *file;
GdaBinary* bin;
gchar *bin_data;
gsize bin_length;
GError *error = NULL;
/* load binary data */
file = g_build_filename (CHECK_FILES, "data", "sales_test.db", NULL);
if (! g_file_get_contents (file, &bin_data, &bin_length, &error)) {
g_print ("Error reading binary file: %s\n", error->message);
return EXIT_FAILURE;
}
g_free (file);
bin = gda_binary_new ();
gda_binary_set_data (bin, (guchar*) bin_data, bin_length);
/* convert to string */
gchar *conv1;
conv1 = gda_binary_to_string (bin, 0);
/* convert back to binary */
GdaBinary *bin2;
bin2 = gda_string_to_binary (conv1);
/* compare bin */
if (gda_binary_get_size (bin) != gda_binary_get_size (bin2)) {
g_print ("Error: binary length differ: from %ld to %ld\n",
gda_binary_get_size (bin), gda_binary_get_size (bin2));
return EXIT_FAILURE;
}
gint i;
for (i = 0; i < gda_binary_get_size (bin); i++) {
guchar *buffer = gda_binary_get_data (bin);
guchar *buffer2 = gda_binary_get_data (bin2);
if (buffer[i] != buffer2[i]) {
g_print ("Error: binary differ orig[%d]=%d and copy[%d]=%d\n",
i, buffer[i], i, buffer2[i]);
return EXIT_FAILURE;
}
}
g_free (conv1);
gda_binary_free (bin);
gda_binary_free (bin2);
g_print ("Ok (file size: %d)\n", bin_length);
return EXIT_SUCCESS;
}
static GdaRow *
fetch_next_sqlite_row (GdaSqliteRecordset *model, gboolean do_store, GError **error)
{
int rc;
SqliteConnectionData *cdata;
GdaSqlitePStmt *ps;
GdaRow *prow = NULL;
GdaConnection *cnc;
glong length;
cnc = gda_data_select_get_connection ((GdaDataSelect*) model);
cdata = (SqliteConnectionData*) gda_connection_internal_get_provider_data_error (cnc, error);
if (!cdata)
return NULL;
ps = GDA_SQLITE_PSTMT (GDA_DATA_SELECT (model)->prep_stmt);
virt_cnc_set_working_obj (gda_data_select_get_connection ((GdaDataSelect*) model), model);
if (model->priv->empty_forced)
rc = SQLITE_DONE;
else
rc = SQLITE3_CALL (sqlite3_step) (ps->sqlite_stmt);
switch (rc) {
case SQLITE_ROW: {
gint col, real_col;
prow = gda_row_new (_GDA_PSTMT (ps)->ncols);
for (col = 0; col < _GDA_PSTMT (ps)->ncols; col++) {
GValue *value;
GType type = _GDA_PSTMT (ps)->types [col];
real_col = col + ps->nb_rowid_columns;
if (type == GDA_TYPE_NULL) {
type = fuzzy_get_gtype (cdata, ps, col);
if (type == GDA_TYPE_BLOB) {
/* extra check: make sure we have a rowid for this blob, or fallback to binary */
if (ps->rowid_hash) {
gint oidcol = 0;
const char *ctable;
ctable = SQLITE3_CALL (sqlite3_column_name) (ps->sqlite_stmt, real_col);
if (ctable)
oidcol = GPOINTER_TO_INT (g_hash_table_lookup (ps->rowid_hash,
ctable));
if (oidcol == 0) {
ctable = SQLITE3_CALL (sqlite3_column_table_name) (ps->sqlite_stmt, real_col);
if (ctable)
oidcol = GPOINTER_TO_INT (g_hash_table_lookup (ps->rowid_hash,
ctable));
}
if (oidcol == 0)
type = GDA_TYPE_BINARY;
}
else
type = GDA_TYPE_BINARY;
}
if (type != GDA_TYPE_NULL) {
GdaColumn *column;
_GDA_PSTMT (ps)->types [col] = type;
column = gda_data_model_describe_column (GDA_DATA_MODEL (model), col);
gda_column_set_g_type (column, type);
column = (GdaColumn *) g_slist_nth_data (_GDA_PSTMT (ps)->tmpl_columns, col);
gda_column_set_g_type (column, type);
}
}
/* fill GValue */
value = gda_row_get_value (prow, col);
GError *may_error;
may_error = (GError*) SQLITE3_CALL (sqlite3_column_blob) (ps->sqlite_stmt, real_col);
if (may_error && g_hash_table_lookup (error_blobs_hash, may_error)) {
/*g_print ("Row invalidated: [%s]\n", may_error->message);*/
gda_row_invalidate_value_e (prow, value, may_error);
g_hash_table_remove (error_blobs_hash, may_error);
}
else if (SQLITE3_CALL (sqlite3_column_text) (ps->sqlite_stmt, real_col) == NULL) {
/* we have a NULL value */
gda_value_set_null (value);
}
else {
gda_value_reset_with_type (value, type);
if (type == GDA_TYPE_NULL)
;
else if (type == G_TYPE_INT) {
gint64 i;
i = SQLITE3_CALL (sqlite3_column_int64) (ps->sqlite_stmt, real_col);
if ((i > G_MAXINT) || (i < G_MININT)) {
GError *lerror = NULL;
g_set_error (&lerror, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_DATA_ERROR,
"%s", _("Integer value is too big"));
gda_row_invalidate_value_e (prow, value, lerror);
}
else
g_value_set_int (value, (gint) i);
}
else if (type == G_TYPE_UINT) {
guint64 i;
i = (gint64) SQLITE3_CALL (sqlite3_column_int64) (ps->sqlite_stmt, real_col);
if (i > G_MAXUINT) {
GError *lerror = NULL;
g_set_error (&lerror, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_DATA_ERROR,
"%s", _("Integer value is too big"));
gda_row_invalidate_value_e (prow, value, lerror);
}
else
g_value_set_uint (value, (gint) i);
}
else if (type == G_TYPE_INT64)
g_value_set_int64 (value, SQLITE3_CALL (sqlite3_column_int64) (ps->sqlite_stmt, real_col));
else if (type == G_TYPE_UINT64)
g_value_set_uint64 (value, (guint64) SQLITE3_CALL (sqlite3_column_int64) (ps->sqlite_stmt,
real_col));
else if (type == G_TYPE_DOUBLE)
g_value_set_double (value, SQLITE3_CALL (sqlite3_column_double) (ps->sqlite_stmt,
real_col));
else if (type == G_TYPE_STRING)
g_value_set_string (value, (gchar *) SQLITE3_CALL (sqlite3_column_text) (ps->sqlite_stmt,
real_col));
else if (type == GDA_TYPE_BINARY) {
GdaBinary *bin;
bin = gda_binary_new ();
length = SQLITE3_CALL (sqlite3_column_bytes) (ps->sqlite_stmt, real_col);
if (length > 0) {
gda_binary_set_data (bin, SQLITE3_CALL (sqlite3_column_blob) (ps->sqlite_stmt, /* Flawfinder: ignore */
real_col), length);
}
gda_value_take_binary (value, bin);
}
else if (type == GDA_TYPE_BLOB) {
GdaBlobOp *bop = NULL;
gint oidcol = 0;
if (ps->rowid_hash) {
const char *ctable;
ctable = SQLITE3_CALL (sqlite3_column_name) (ps->sqlite_stmt, real_col);
if (ctable)
oidcol = GPOINTER_TO_INT (g_hash_table_lookup (ps->rowid_hash,
ctable));
if (oidcol == 0) {
ctable = SQLITE3_CALL (sqlite3_column_table_name) (ps->sqlite_stmt, real_col);
if (ctable)
oidcol = GPOINTER_TO_INT (g_hash_table_lookup (ps->rowid_hash,
ctable));
}
}
if (oidcol != 0) {
gint64 rowid;
rowid = SQLITE3_CALL (sqlite3_column_int64) (ps->sqlite_stmt, oidcol - 1); /* remove 1
because it was added in the first place */
bop = _gda_sqlite_blob_op_new (cnc,
SQLITE3_CALL (sqlite3_column_database_name) (ps->sqlite_stmt,
real_col),
SQLITE3_CALL (sqlite3_column_table_name) (ps->sqlite_stmt,
real_col),
SQLITE3_CALL (sqlite3_column_origin_name) (ps->sqlite_stmt,
real_col),
rowid);
}
if (!bop) {
GError *lerror = NULL;
g_set_error (&lerror, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_DATA_ERROR,
"%s", _("Unable to open BLOB"));
gda_row_invalidate_value_e (prow, value, lerror);
}
else {
GdaBlob *blob;
blob = gda_blob_new ();
gda_blob_set_op (blob, bop);
g_object_unref (bop);
gda_value_take_blob (value, blob);
}
}
else if (type == G_TYPE_BOOLEAN)
g_value_set_boolean (value, SQLITE3_CALL (sqlite3_column_int) (ps->sqlite_stmt, real_col) == 0 ? FALSE : TRUE);
else if (type == G_TYPE_DATE) {
GDate date;
if (!gda_parse_iso8601_date (&date,
(gchar *) SQLITE3_CALL (sqlite3_column_text) (ps->sqlite_stmt,
real_col))) {
GError *lerror = NULL;
g_set_error (&lerror, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_DATA_ERROR,
_("Invalid date '%s' (date format should be YYYY-MM-DD)"),
(gchar *) SQLITE3_CALL (sqlite3_column_text) (ps->sqlite_stmt, real_col));
gda_row_invalidate_value_e (prow, value, lerror);
}
else
g_value_set_boxed (value, &date);
}
else if (type == GDA_TYPE_TIME) {
GdaTime timegda;
if (!gda_parse_iso8601_time (&timegda,
(gchar *) SQLITE3_CALL (sqlite3_column_text) (ps->sqlite_stmt,
real_col))) {
GError *lerror = NULL;
g_set_error (&lerror, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_DATA_ERROR,
_("Invalid time '%s' (time format should be HH:MM:SS[.ms])"),
(gchar *) SQLITE3_CALL (sqlite3_column_text) (ps->sqlite_stmt, real_col));
gda_row_invalidate_value_e (prow, value, lerror);
}
else {
if (timegda.timezone == GDA_TIMEZONE_INVALID)
timegda.timezone = 0; /* set to GMT */
gda_value_set_time (value, &timegda);
}
}
else if (type == GDA_TYPE_TIMESTAMP) {
GdaTimestamp timestamp;
if (!gda_parse_iso8601_timestamp (×tamp,
(gchar *) SQLITE3_CALL (sqlite3_column_text) (ps->sqlite_stmt,
real_col))) {
GError *lerror = NULL;
g_set_error (&lerror, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_DATA_ERROR,
_("Invalid timestamp '%s' (format should be YYYY-MM-DD HH:MM:SS[.ms])"),
(gchar *) SQLITE3_CALL (sqlite3_column_text) (ps->sqlite_stmt, real_col));
gda_row_invalidate_value_e (prow, value, lerror);
}
else {
if (timestamp.timezone == GDA_TIMEZONE_INVALID)
timestamp.timezone = 0; /* set to GMT */
gda_value_set_timestamp (value, ×tamp);
}
}
else if (type == G_TYPE_CHAR) {
gint64 i;
i = (gint64) SQLITE3_CALL (sqlite3_column_int64) (ps->sqlite_stmt, real_col);
if ((i > G_MAXINT8) || (i < G_MININT8)) {
GError *lerror = NULL;
g_set_error (&lerror, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_DATA_ERROR,
"%s", _("Integer value is too big"));
gda_row_invalidate_value_e (prow, value, lerror);
}
else
g_value_set_schar (value, (gchar) i);
}
else if (type == G_TYPE_UCHAR) {
gint64 i;
i = (gint64) SQLITE3_CALL (sqlite3_column_int64) (ps->sqlite_stmt, real_col);
if ((i > G_MAXUINT8) || (i < 0)) {
GError *lerror = NULL;
g_set_error (&lerror, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_DATA_ERROR,
"%s", _("Integer value is too big"));
gda_row_invalidate_value_e (prow, value, lerror);
}
else
g_value_set_uchar (value, (guchar) i);
}
else if (type == GDA_TYPE_SHORT) {
gint64 i;
i = (gint64) SQLITE3_CALL (sqlite3_column_int64) (ps->sqlite_stmt, real_col);
if ((i > G_MAXSHORT) || (i < G_MINSHORT)) {
GError *lerror = NULL;
g_set_error (&lerror, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_DATA_ERROR,
"%s", _("Integer value is too big"));
gda_row_invalidate_value_e (prow, value, lerror);
}
else
gda_value_set_short (value, (guchar) i);
}
else if (type == GDA_TYPE_USHORT) {
gint64 i;
i = (gint64) SQLITE3_CALL (sqlite3_column_int64) (ps->sqlite_stmt, real_col);
if ((i > G_MAXUSHORT) || (i < 0)) {
GError *lerror = NULL;
g_set_error (&lerror, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_DATA_ERROR,
"%s", _("Integer value is too big"));
gda_row_invalidate_value_e (prow, value, lerror);
}
else
gda_value_set_ushort (value, (guchar) i);
}
else {
GError *lerror = NULL;
g_set_error (&lerror, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_DATA_ERROR,
"Unhandled type '%s' in SQLite recordset",
gda_g_type_to_string (_GDA_PSTMT (ps)->types [col]));
gda_row_invalidate_value_e (prow, value, lerror);
}
}
}
if (do_store) {
/* insert row */
gda_data_select_take_row (GDA_DATA_SELECT (model), prow, model->priv->next_row_num);
}
model->priv->next_row_num ++;
break;
}
case SQLITE_BUSY:
/* nothing to do */
break;
case SQLITE_DONE:
GDA_DATA_SELECT (model)->advertized_nrows = model->priv->next_row_num;
SQLITE3_CALL (sqlite3_reset) (ps->sqlite_stmt);
break;
case SQLITE_READONLY:
case SQLITE_MISUSE:
g_set_error (error, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_INTERNAL_ERROR,
"%s", _("SQLite provider fatal internal error"));
break;
case SQLITE_ERROR:
default: {
GError *lerror = NULL;
SQLITE3_CALL (sqlite3_reset) (ps->sqlite_stmt);
if (rc == SQLITE_IOERR_TRUNCATE)
g_set_error (&lerror, GDA_DATA_MODEL_ERROR,
GDA_DATA_MODEL_TRUNCATED_ERROR, "%s", _("Truncated data"));
else
g_set_error (&lerror, GDA_SERVER_PROVIDER_ERROR,
GDA_SERVER_PROVIDER_INTERNAL_ERROR,
"%s", SQLITE3_CALL (sqlite3_errmsg) (cdata->connection));
gda_data_select_add_exception (GDA_DATA_SELECT (model), lerror);
if (rc == SQLITE_ERROR)
g_propagate_error (error, g_error_copy (lerror));
GDA_DATA_SELECT (model)->advertized_nrows = model->priv->next_row_num;
break;
}
}
virt_cnc_set_working_obj (gda_data_select_get_connection ((GdaDataSelect*) model), NULL);
return prow;
}
