static void do_add (bool_t play, char * * title)
{
int list = aud_playlist_by_unique_id (playlist_id);
int n_items = index_count (items);
int n_selected = 0;
Index * filenames = index_new ();
Index * tuples = index_new ();
for (int i = 0; i < n_items; i ++)
{
if (! selection->data[i])
continue;
Item * item = index_get (items, i);
for (int m = 0; m < item->matches->len; m ++)
{
int entry = g_array_index (item->matches, int, m);
index_insert (filenames, -1, aud_playlist_entry_get_filename (list, entry));
index_insert (tuples, -1, aud_playlist_entry_get_tuple (list, entry, TRUE));
}
n_selected ++;
if (title && n_selected == 1)
* title = item->name;
}
if (title && n_selected != 1)
* title = NULL;
aud_playlist_entry_insert_batch (aud_playlist_get_active (), -1, filenames,
tuples, play);
}
static void open_modules_for_path (const char * path)
{
GDir * folder = g_dir_open (path, 0, NULL);
if (! folder)
{
fprintf (stderr, "ladspa: Failed to read folder %s: %s\n", path, strerror (errno));
return;
}
const char * name;
while ((name = g_dir_read_name (folder)))
{
if (! str_has_suffix_nocase (name, G_MODULE_SUFFIX))
continue;
char * filename = filename_build (path, name);
void * handle = open_module (filename);
if (handle)
index_insert (modules, -1, handle);
str_unref (filename);
}
g_dir_close (folder);
}
static PluginData * open_plugin (const char * path, const LADSPA_Descriptor * desc)
{
const char * slash = strrchr (path, G_DIR_SEPARATOR);
g_return_val_if_fail (slash && slash[1], NULL);
g_return_val_if_fail (desc->Label && desc->Name, NULL);
PluginData * plugin = g_slice_new (PluginData);
plugin->path = g_strdup (slash + 1);
plugin->desc = desc;
plugin->controls = index_new ();
plugin->in_ports = g_array_new (0, 0, sizeof (int));
plugin->out_ports = g_array_new (0, 0, sizeof (int));
plugin->selected = 0;
for (int i = 0; i < desc->PortCount; i ++)
{
if (LADSPA_IS_PORT_CONTROL (desc->PortDescriptors[i]))
{
ControlData * control = parse_control (desc, i);
if (control)
index_insert (plugin->controls, -1, control);
}
else if (LADSPA_IS_PORT_AUDIO (desc->PortDescriptors[i]) &&
LADSPA_IS_PORT_INPUT (desc->PortDescriptors[i]))
g_array_append_val (plugin->in_ports, i);
else if (LADSPA_IS_PORT_AUDIO (desc->PortDescriptors[i]) &&
LADSPA_IS_PORT_OUTPUT (desc->PortDescriptors[i]))
g_array_append_val (plugin->out_ports, i);
}
return plugin;
}
void PPSWorkload::init_tab_suppliers() {
char * padding = new char[100];
for (int i = 0; i < 100; i++) {
padding[i] = 'z';
}
for (UInt32 id = 1; id <= g_max_supplier_key; id++) {
if (GET_NODE_ID(suppliers_to_partition(id)) != g_node_id)
continue;
row_t * row;
uint64_t row_id;
t_suppliers->get_new_row(row, 0, row_id);
row->set_primary_key(id);
row->set_value(0,id);
row->set_value(FIELD1,padding);
row->set_value(FIELD2,padding);
row->set_value(FIELD3,padding);
row->set_value(FIELD4,padding);
row->set_value(FIELD5,padding);
row->set_value(FIELD6,padding);
row->set_value(FIELD7,padding);
row->set_value(FIELD8,padding);
row->set_value(FIELD9,padding);
row->set_value(FIELD10,padding);
index_insert(i_suppliers, id, row, suppliers_to_partition(id));
}
}
static void search_cb (void * key, void * _item, void * _state)
{
Item * item = _item;
SearchState * state = _state;
if (index_count (state->items[item->field]) > MAX_RESULTS)
return;
int oldmask = state->mask;
int count = index_count (search_terms);
for (int t = 0, bit = 1; t < count; t ++, bit <<= 1)
{
if (! (state->mask & bit))
continue; /* skip term if it is already found */
if (strstr (item->folded, index_get (search_terms, t)))
state->mask &= ~bit; /* we found it */
else if (! item->children)
break; /* quit early if there are no children to search */
}
if (! state->mask)
index_insert (state->items[item->field], -1, item);
if (item->children)
g_hash_table_foreach (item->children, search_cb, state);
state->mask = oldmask;
}
void PPSWorkload::init_tab_products() {
char * padding = new char[100];
for (int i = 0; i < 100; i++) {
padding[i] = 'z';
}
for (UInt32 id = 1; id <= g_max_product_key; id++) {
if (GET_NODE_ID(products_to_partition(id)) != g_node_id)
continue;
row_t * row;
uint64_t row_id;
t_products->get_new_row(row, 0, row_id);
row->set_primary_key(id);
row->set_value(0,id);
row->set_value(FIELD1,padding);
row->set_value(FIELD2,padding);
row->set_value(FIELD3,padding);
row->set_value(FIELD4,padding);
row->set_value(FIELD5,padding);
row->set_value(FIELD6,padding);
row->set_value(FIELD7,padding);
row->set_value(FIELD8,padding);
row->set_value(FIELD9,padding);
row->set_value(FIELD10,padding);
index_insert(i_products, id, row, products_to_partition(id));
DEBUG("PRODUCTS added (%d, ...)\n",id);
}
}
/*
* _bitmap_insert_lov() -- insert a new data into the given heap and index.
*/
void
_bitmap_insert_lov(Relation lovHeap, Relation lovIndex, Datum *datum,
bool *nulls, bool use_wal __attribute__((unused)))
{
TupleDesc tupDesc;
HeapTuple tuple;
bool result;
Datum *indexDatum;
bool *indexNulls;
tupDesc = RelationGetDescr(lovHeap);
/* insert this tuple into the heap */
tuple = heap_form_tuple(tupDesc, datum, nulls);
frozen_heap_insert(lovHeap, tuple);
/* insert a new tuple into the index */
indexDatum = palloc0((tupDesc->natts - 2) * sizeof(Datum));
indexNulls = palloc0((tupDesc->natts - 2) * sizeof(bool));
memcpy(indexDatum, datum, (tupDesc->natts - 2) * sizeof(Datum));
memcpy(indexNulls, nulls, (tupDesc->natts - 2) * sizeof(bool));
result = index_insert(lovIndex, indexDatum, indexNulls,
&(tuple->t_self), lovHeap, true);
pfree(indexDatum);
pfree(indexNulls);
Assert(result);
heap_freetuple(tuple);
}
void tpcc_wl::init_tab_dist(uint64_t wid) {
for (uint64_t did = 1; did <= DIST_PER_WARE; did++) {
row_t * row;
uint64_t row_id;
t_district->get_new_row(row, 0, row_id);
row->set_primary_key(did);
row->set_value(D_ID, did);
row->set_value(D_W_ID, wid);
char name[10];
MakeAlphaString(6, 10, name);
row->set_value(D_NAME, name);
char street[20];
MakeAlphaString(10, 20, street);
row->set_value(D_STREET_1, street);
MakeAlphaString(10, 20, street);
row->set_value(D_STREET_2, street);
MakeAlphaString(10, 20, street);
row->set_value(D_CITY, street);
char state[2];
MakeAlphaString(2, 2, state); /* State */
row->set_value(D_STATE, state);
char zip[9];
MakeNumberString(9, 9, zip); /* Zip */
row->set_value(D_ZIP, zip);
double tax = (double)URand(0L,200L)/1000.0;
double w_ytd=30000.00;
row->set_value(D_TAX, tax);
row->set_value(D_YTD, w_ytd);
row->set_value(D_NEXT_O_ID, 3001);
index_insert(i_district, distKey(did, wid), row, wh_to_part(wid));
}
}
static void * open_module (const char * path)
{
GModule * handle = g_module_open (path, G_MODULE_BIND_LOCAL);
if (! handle)
{
fprintf (stderr, "ladspa: Failed to open module %s: %s\n", path, g_module_error ());
return NULL;
}
void * sym;
if (! g_module_symbol (handle, "ladspa_descriptor", & sym))
{
fprintf (stderr, "ladspa: Not a valid LADSPA module: %s\n", path);
g_module_close (handle);
return NULL;
}
LADSPA_Descriptor_Function descfun = (LADSPA_Descriptor_Function) sym;
const LADSPA_Descriptor * desc;
for (int i = 0; (desc = descfun (i)); i ++)
{
PluginData * plugin = open_plugin (path, desc);
if (plugin)
index_insert (plugins, -1, plugin);
}
return handle;
}
LoadedPlugin * enable_plugin_locked (PluginData * plugin)
{
LoadedPlugin * loaded = g_slice_new (LoadedPlugin);
loaded->plugin = plugin;
loaded->selected = 0;
int count = index_count (plugin->controls);
loaded->values = g_malloc (sizeof (float) * count);
for (int i = 0; i < count; i ++)
{
ControlData * control = index_get (plugin->controls, i);
loaded->values[i] = control->def;
}
loaded->active = 0;
loaded->instances = NULL;
loaded->in_bufs = NULL;
loaded->out_bufs = NULL;
loaded->settings_win = NULL;
index_insert (loadeds, -1, loaded);
return loaded;
}
void tpcc_wl::init_tab_wh(uint32_t wid) {
assert(wid >= 1 && wid <= g_num_wh);
row_t * row;
uint64_t row_id;
t_warehouse->get_new_row(row, 0, row_id);
row->set_primary_key(wid);
row->set_value(W_ID, wid);
char name[10];
MakeAlphaString(6, 10, name, wid-1);
row->set_value(W_NAME, name);
char street[20];
MakeAlphaString(10, 20, street, wid-1);
row->set_value(W_STREET_1, street);
MakeAlphaString(10, 20, street, wid-1);
row->set_value(W_STREET_2, street);
MakeAlphaString(10, 20, street, wid-1);
row->set_value(W_CITY, street);
char state[2];
MakeAlphaString(2, 2, state, wid-1); /* State */
row->set_value(W_STATE, state);
char zip[9];
MakeNumberString(9, 9, zip, wid-1); /* Zip */
row->set_value(W_ZIP, zip);
double tax = (double)URand(0L,200L,wid-1)/1000.0;
double w_ytd=300000.00;
row->set_value(W_TAX, tax);
row->set_value(W_YTD, w_ytd);
index_insert(i_warehouse, wid, row, wh_to_part(wid));
return;
}
int git_index_append(git_index *index, const char *path, int stage)
{
int error;
git_index_entry entry;
if ((error = index_init_entry(&entry, index, path, stage)) < GIT_SUCCESS)
return git__rethrow(error, "Failed to append to index");
return index_insert(index, &entry, 0);
}
static void shift_rows (void * user, int row, int before)
{
int rows = index_count (user);
g_return_if_fail (row >= 0 && row < rows);
g_return_if_fail (before >= 0 && before <= rows);
if (before == row)
return;
Index * move = index_new ();
Index * others = index_new ();
int begin, end;
if (before < row)
{
begin = before;
end = row + 1;
while (end < rows && ((Column *) index_get (user, end))->selected)
end ++;
}
else
{
begin = row;
while (begin > 0 && ((Column *) index_get (user, begin - 1))->selected)
begin --;
end = before;
}
for (int i = begin; i < end; i ++)
{
Column * c = index_get (user, i);
index_insert (c->selected ? move : others, -1, c);
}
if (before < row)
{
index_copy_insert (others, 0, move, -1, -1);
index_free (others);
}
else
{
index_copy_insert (move, 0, others, -1, -1);
index_free (move);
move = others;
}
index_copy_set (move, 0, user, begin, end - begin);
index_free (move);
GtkWidget * list = (user == chosen) ? chosen_list : avail_list;
audgui_list_update_rows (list, begin, end - begin);
audgui_list_update_selection (list, begin, end - begin);
}
/*
* ExecInsertCQMatRelIndexTuples
*
* This is a trimmed-down version of ExecInsertIndexTuples
*/
void
ExecInsertCQMatRelIndexTuples(ResultRelInfo *indstate, TupleTableSlot *slot, EState *estate)
{
int i;
int numIndexes;
RelationPtr relationDescs;
Relation heapRelation;
IndexInfo **indexInfoArray;
Datum values[INDEX_MAX_KEYS];
bool isnull[INDEX_MAX_KEYS];
HeapTuple tup;
/* bail if there are no indexes to update */
numIndexes = indstate->ri_NumIndices;
if (numIndexes == 0)
return;
tup = ExecMaterializeSlot(slot);
/* HOT update does not require index inserts */
if (HeapTupleIsHeapOnly(tup))
return;
relationDescs = indstate->ri_IndexRelationDescs;
indexInfoArray = indstate->ri_IndexRelationInfo;
heapRelation = indstate->ri_RelationDesc;
/*
* for each index, form and insert the index tuple
*/
for (i = 0; i < numIndexes; i++)
{
IndexInfo *indexInfo;
indexInfo = indexInfoArray[i];
/* If the index is marked as read-only, ignore it */
if (!indexInfo->ii_ReadyForInserts)
continue;
/* Index expressions need an EState to be eval'd in */
if (indexInfo->ii_Expressions)
{
ExprContext *econtext = GetPerTupleExprContext(estate);
econtext->ecxt_scantuple = slot;
}
FormIndexDatum(indexInfo, slot, estate, values, isnull);
index_insert(relationDescs[i], values, isnull, &(tup->t_self),
heapRelation, relationDescs[i]->rd_index->indisunique ? UNIQUE_CHECK_YES : UNIQUE_CHECK_NO);
}
}
void pw_col_save (void)
{
Index * index = index_new ();
for (int i = 0; i < pw_num_cols; i ++)
index_insert (index, -1, (void *) pw_col_keys[pw_cols[i]]);
char * columns = index_to_str_list (index, " ");
aud_set_str ("gtkui", "playlist_columns", columns);
str_unref (columns);
index_free (index);
}
static void begin_add (const char * path)
{
int list = get_playlist (FALSE, FALSE);
if (list < 0)
list = create_playlist ();
aud_set_str ("search-tool", "path", path);
char * uri = filename_to_uri (path);
g_return_if_fail (uri);
if (! g_str_has_suffix (uri, "/"))
{
SCONCAT2 (temp, uri, "/");
str_unref (uri);
uri = str_get (temp);
}
destroy_added_table ();
added_table = g_hash_table_new_full ((GHashFunc) str_hash, (GEqualFunc)
str_equal, (GDestroyNotify) str_unref, NULL);
int entries = aud_playlist_entry_count (list);
for (int entry = 0; entry < entries; entry ++)
{
char * filename = aud_playlist_entry_get_filename (list, entry);
if (g_str_has_prefix (filename, uri) && ! g_hash_table_contains (added_table, filename))
{
aud_playlist_entry_set_selected (list, entry, FALSE);
g_hash_table_insert (added_table, filename, NULL);
}
else
{
aud_playlist_entry_set_selected (list, entry, TRUE);
str_unref (filename);
}
}
aud_playlist_delete_selected (list);
aud_playlist_remove_failed (list);
Index * add = index_new ();
index_insert (add, -1, uri);
aud_playlist_entry_insert_filtered (list, -1, add, NULL, filter_cb, NULL, FALSE);
adding = TRUE;
}
int set(char *key,char *value,int exptime){
//store save
int fieldId = 0;
long blockPos;
//printf("store_save \n");
store_save(key,value,exptime,&fieldId,&blockPos);
//printf("store return fieldId:%d,blockPos:%d\n", fieldId,blockPos);
//index
index_insert(key,fieldId,blockPos);
return 0;
}
static int fulltextUpdate(sqlite3_vtab *pVtab, int nArg, sqlite3_value **ppArg,
sqlite_int64 *pRowid){
fulltext_vtab *v = (fulltext_vtab *) pVtab;
if( nArg<2 ){
return index_delete(v, sqlite3_value_int64(ppArg[0]));
}
if( sqlite3_value_type(ppArg[0]) != SQLITE_NULL ){
return SQLITE_ERROR; /* an update; not yet supported */
}
assert( nArg==3 ); /* ppArg[1] = rowid, ppArg[2] = content */
return index_insert(v, ppArg[1],
(const char *)sqlite3_value_text(ppArg[2]), pRowid);
}
static void equalizerwin_save_preset (Index * list, const char * name,
const char * filename)
{
int p = equalizerwin_find_preset (list, name);
EqualizerPreset * preset = (p >= 0) ? index_get (list, p) : NULL;
if (! preset)
{
preset = aud_equalizer_preset_new (name);
index_insert (list, -1, preset);
}
equalizerwin_update_preset (preset);
aud_equalizer_write_presets (list, filename);
}
// TODO ITEM table is assumed to be in partition 0
void tpcc_wl::init_tab_item() {
for (UInt32 i = 1; i <= g_max_items; i++) {
row_t * row;
uint64_t row_id;
t_item->get_new_row(row, 0, row_id);
row->set_primary_key(i);
row->set_value(I_ID, i);
row->set_value(I_IM_ID, URand(1L,10000L, 0));
char name[24];
MakeAlphaString(14, 24, name, 0);
row->set_value(I_NAME, name);
row->set_value(I_PRICE, URand(1, 100, 0));
char data[50];
MakeAlphaString(26, 50, data, 0);
// TODO in TPCC, "original" should start at a random position
if (RAND(10, 0) == 0)
strcpy(data, "original");
row->set_value(I_DATA, data);
index_insert(i_item, i, row, 0);
}
}
static void write_index(const char *filename)
{
struct index_node *index;
char *line;
FILE *cfile;
cfile = fopen(filename, "w");
if (!cfile)
fatal("Could not open %s for writing: %s\n",
filename, strerror(errno));
index = index_create();
while((line = getline_wrapped(stdin, NULL))) {
index_insert(index, line);
free(line);
}
index_write(index, cfile);
index_destroy(index);
fclose(cfile);
}
void tpcc_wl::init_tab_stock(uint64_t wid) {
for (UInt32 sid = 1; sid <= g_max_items; sid++) {
row_t * row;
uint64_t row_id;
t_stock->get_new_row(row, 0, row_id);
row->set_primary_key(sid);
row->set_value(S_I_ID, sid);
row->set_value(S_W_ID, wid);
row->set_value(S_QUANTITY, URand(10, 100));
row->set_value(S_REMOTE_CNT, 0);
#if !TPCC_SMALL
char s_dist[25];
char row_name[10] = "S_DIST_";
for (int i = 1; i <= 10; i++) {
if (i < 10) {
row_name[7] = '0';
row_name[8] = i + '0';
} else {
row_name[7] = '1';
row_name[8] = '0';
}
row_name[9] = '\0';
MakeAlphaString(24, 24, s_dist);
row->set_value(row_name, s_dist);
}
row->set_value(S_YTD, 0);
row->set_value(S_ORDER_CNT, 0);
char s_data[50];
int len = MakeAlphaString(26, 50, s_data);
if (rand() % 100 < 10) {
int idx = URand(0, len - 8);
strcpy(&s_data[idx], "original");
}
row->set_value(S_DATA, s_data);
#endif
index_insert(i_stock, stockKey(sid, wid), row, wh_to_part(wid));
}
}
static void transfer (Index * source)
{
Index * dest;
GtkWidget * source_list, * dest_list;
if (source == chosen)
{
dest = avail;
source_list = chosen_list;
dest_list = avail_list;
}
else
{
dest = chosen;
source_list = avail_list;
dest_list = chosen_list;
}
int source_rows = index_count (source);
int dest_rows = index_count (dest);
for (int row = 0; row < source_rows; )
{
Column * c = index_get (source, row);
if (! c->selected)
{
row ++;
continue;
}
index_delete (source, row, 1);
audgui_list_delete_rows (source_list, row, 1);
source_rows --;
index_insert (dest, -1, c);
audgui_list_insert_rows (dest_list, dest_rows, 1);
dest_rows ++;
}
}
void tpcc_wl::init_tab_wh() {
if (WL_VERB)
printf("[init] workload table.\n");
for (UInt32 wid = 1; wid <= g_num_wh; wid ++) {
row_t * row;
uint64_t row_id;
t_warehouse->get_new_row(row, 0, row_id);
row->set_primary_key(wid);
row->set_value(W_ID, wid);
char name[10];
MakeAlphaString(6, 10, name);
row->set_value(W_NAME, name);
char street[20];
MakeAlphaString(10, 20, street);
row->set_value(W_STREET_1, street);
MakeAlphaString(10, 20, street);
row->set_value(W_STREET_2, street);
MakeAlphaString(10, 20, street);
row->set_value(W_CITY, street);
char state[2];
MakeAlphaString(2, 2, state); /* State */
row->set_value(W_STATE, state);
char zip[9];
MakeNumberString(9, 9, zip); /* Zip */
row->set_value(W_ZIP, zip);
double tax = (double)URand(0L,200L)/1000.0;
double w_ytd=300000.00;
row->set_value(W_TAX, tax);
row->set_value(W_YTD, w_ytd);
index_insert(i_warehouse, wid, row, wh_to_part(wid));
}
return;
}
/* ----------
* toast_save_datum -
*
* Save one single datum into the secondary relation and return
* a Datum reference for it.
* ----------
*/
static Datum
toast_save_datum(Relation rel, Datum value, int options)
{
Relation toastrel;
Relation toastidx;
HeapTuple toasttup;
TupleDesc toasttupDesc;
Datum t_values[3];
bool t_isnull[3];
CommandId mycid = GetCurrentCommandId(true);
struct varlena *result;
struct varatt_external toast_pointer;
struct
{
struct varlena hdr;
char data[TOAST_MAX_CHUNK_SIZE]; /* make struct big enough */
int32 align_it; /* ensure struct is aligned well enough */
} chunk_data;
int32 chunk_size;
int32 chunk_seq = 0;
char *data_p;
int32 data_todo;
Pointer dval = DatumGetPointer(value);
/*
* Open the toast relation and its index. We can use the index to check
* uniqueness of the OID we assign to the toasted item, even though it has
* additional columns besides OID.
*/
toastrel = heap_open(rel->rd_rel->reltoastrelid, RowExclusiveLock);
toasttupDesc = toastrel->rd_att;
toastidx = index_open(toastrel->rd_rel->reltoastidxid, RowExclusiveLock);
/*
* Get the data pointer and length, and compute va_rawsize and va_extsize.
*
* va_rawsize is the size of the equivalent fully uncompressed datum, so
* we have to adjust for short headers.
*
* va_extsize is the actual size of the data payload in the toast records.
*/
if (VARATT_IS_SHORT(dval))
{
data_p = VARDATA_SHORT(dval);
data_todo = VARSIZE_SHORT(dval) - VARHDRSZ_SHORT;
toast_pointer.va_rawsize = data_todo + VARHDRSZ; /* as if not short */
toast_pointer.va_extsize = data_todo;
}
else if (VARATT_IS_COMPRESSED(dval))
{
data_p = VARDATA(dval);
data_todo = VARSIZE(dval) - VARHDRSZ;
/* rawsize in a compressed datum is just the size of the payload */
toast_pointer.va_rawsize = VARRAWSIZE_4B_C(dval) + VARHDRSZ;
toast_pointer.va_extsize = data_todo;
/* Assert that the numbers look like it's compressed */
Assert(VARATT_EXTERNAL_IS_COMPRESSED(toast_pointer));
}
else
{
data_p = VARDATA(dval);
data_todo = VARSIZE(dval) - VARHDRSZ;
toast_pointer.va_rawsize = VARSIZE(dval);
toast_pointer.va_extsize = data_todo;
}
/*
* Insert the correct table OID into the result TOAST pointer.
*
* Normally this is the actual OID of the target toast table, but during
* table-rewriting operations such as CLUSTER, we have to insert the OID
* of the table's real permanent toast table instead. rd_toastoid is set
* if we have to substitute such an OID.
*/
if (OidIsValid(rel->rd_toastoid))
toast_pointer.va_toastrelid = rel->rd_toastoid;
else
toast_pointer.va_toastrelid = RelationGetRelid(toastrel);
/*
* Choose an unused OID within the toast table for this toast value.
*/
toast_pointer.va_valueid = GetNewOidWithIndex(toastrel,
RelationGetRelid(toastidx),
(AttrNumber) 1);
/*
* Initialize constant parts of the tuple data
*/
t_values[0] = ObjectIdGetDatum(toast_pointer.va_valueid);
t_values[2] = PointerGetDatum(&chunk_data);
t_isnull[0] = false;
t_isnull[1] = false;
t_isnull[2] = false;
/*
* Split up the item into chunks
*/
while (data_todo > 0)
{
/*
* Calculate the size of this chunk
*/
chunk_size = Min(TOAST_MAX_CHUNK_SIZE, data_todo);
/*
* Build a tuple and store it
*/
t_values[1] = Int32GetDatum(chunk_seq++);
SET_VARSIZE(&chunk_data, chunk_size + VARHDRSZ);
memcpy(VARDATA(&chunk_data), data_p, chunk_size);
toasttup = heap_form_tuple(toasttupDesc, t_values, t_isnull);
heap_insert(toastrel, toasttup, mycid, options, NULL);
/*
* Create the index entry. We cheat a little here by not using
* FormIndexDatum: this relies on the knowledge that the index columns
* are the same as the initial columns of the table.
*
* Note also that there had better not be any user-created index on
* the TOAST table, since we don't bother to update anything else.
*/
index_insert(toastidx, t_values, t_isnull,
&(toasttup->t_self),
toastrel,
toastidx->rd_index->indisunique ?
UNIQUE_CHECK_YES : UNIQUE_CHECK_NO);
/*
* Free memory
*/
heap_freetuple(toasttup);
/*
* Move on to next chunk
*/
data_todo -= chunk_size;
data_p += chunk_size;
}
/*
* Done - close toast relation
*/
index_close(toastidx, RowExclusiveLock);
heap_close(toastrel, RowExclusiveLock);
/*
* Create the TOAST pointer value that we'll return
*/
result = (struct varlena *) palloc(TOAST_POINTER_SIZE);
SET_VARSIZE_EXTERNAL(result, TOAST_POINTER_SIZE);
memcpy(VARDATA_EXTERNAL(result), &toast_pointer, sizeof(toast_pointer));
return PointerGetDatum(result);
}
db_result_t
relation_insert(relation_t *rel, attribute_value_t *values)
{
attribute_t *attr;
unsigned char record[rel->row_length];
unsigned char *ptr;
attribute_value_t *value;
db_result_t result;
value = values;
PRINTF("DB: Relation %s has a record size of %u bytes\n",
rel->name, (unsigned)rel->row_length);
ptr = record;
PRINTF("DB: Insert (");
for(attr = list_head(rel->attributes); attr != NULL; attr = attr->next, value++) {
/* Verify that the value is in the expected domain. An exception
to this rule is that INT may be promoted to LONG. */
if(attr->domain != value->domain &&
!(attr->domain == DOMAIN_LONG && value->domain == DOMAIN_INT)) {
PRINTF("DB: The value domain %d does not match the domain %d of attribute %s\n",
value->domain, attr->domain, attr->name);
return DB_RELATIONAL_ERROR;
}
/* Set the data area for removed attributes to 0. */
if(attr->flags & ATTRIBUTE_FLAG_INVALID) {
memset(ptr, 0, attr->element_size);
ptr += attr->element_size;
continue;
}
result = db_value_to_phy((unsigned char *)ptr, attr, value);
if(DB_ERROR(result)) {
return result;
}
#if DEBUG
switch(attr->domain) {
case DOMAIN_INT:
PRINTF("%s=%d", attr->name, VALUE_INT(value));
break;
case DOMAIN_LONG:
PRINTF("%s=%ld", attr->name, VALUE_LONG(value));
break;
case DOMAIN_STRING:
PRINTF("%s='%s", attr->name, VALUE_STRING(value));
break;
default:
PRINTF(")\nDB: Unhandled attribute domain: %d\n", attr->domain);
return DB_TYPE_ERROR;
}
if(attr->next != NULL) {
PRINTF(", ");
}
#endif /* DEBUG */
ptr += attr->element_size;
if(attr->index != NULL) {
if(DB_ERROR(index_insert(attr->index, value, rel->next_row))) {
return DB_INDEX_ERROR;
}
}
}
PRINTF(")\n");
rel->cardinality++;
rel->next_row++;
return storage_put_row(rel, record);
}
/* ----------
* toast_save_datum -
*
* Save one single datum into the secondary relation and return
* a varattrib reference for it.
* ----------
*/
static Datum
toast_save_datum(Relation rel, Datum value)
{
Relation toastrel;
Relation toastidx;
HeapTuple toasttup;
InsertIndexResult idxres;
TupleDesc toasttupDesc;
Datum t_values[3];
char t_nulls[3];
varattrib *result;
struct
{
struct varlena hdr;
char data[TOAST_MAX_CHUNK_SIZE];
} chunk_data;
int32 chunk_size;
int32 chunk_seq = 0;
char *data_p;
int32 data_todo;
/*
* Create the varattrib reference
*/
result = (varattrib *) palloc(sizeof(varattrib));
result->va_header = sizeof(varattrib) | VARATT_FLAG_EXTERNAL;
if (VARATT_IS_COMPRESSED(value))
{
result->va_header |= VARATT_FLAG_COMPRESSED;
result->va_content.va_external.va_rawsize =
((varattrib *) value)->va_content.va_compressed.va_rawsize;
}
else
result->va_content.va_external.va_rawsize = VARATT_SIZE(value);
result->va_content.va_external.va_extsize =
VARATT_SIZE(value) - VARHDRSZ;
result->va_content.va_external.va_valueid = newoid();
result->va_content.va_external.va_toastrelid =
rel->rd_rel->reltoastrelid;
/*
* Initialize constant parts of the tuple data
*/
t_values[0] = ObjectIdGetDatum(result->va_content.va_external.va_valueid);
t_values[2] = PointerGetDatum(&chunk_data);
t_nulls[0] = ' ';
t_nulls[1] = ' ';
t_nulls[2] = ' ';
/*
* Get the data to process
*/
data_p = VARATT_DATA(value);
data_todo = VARATT_SIZE(value) - VARHDRSZ;
/*
* Open the toast relation
*/
toastrel = heap_open(rel->rd_rel->reltoastrelid, RowExclusiveLock);
toasttupDesc = toastrel->rd_att;
toastidx = index_open(toastrel->rd_rel->reltoastidxid);
/*
* Split up the item into chunks
*/
while (data_todo > 0)
{
/*
* Calculate the size of this chunk
*/
chunk_size = Min(TOAST_MAX_CHUNK_SIZE, data_todo);
/*
* Build a tuple and store it
*/
t_values[1] = Int32GetDatum(chunk_seq++);
VARATT_SIZEP(&chunk_data) = chunk_size + VARHDRSZ;
memcpy(VARATT_DATA(&chunk_data), data_p, chunk_size);
toasttup = heap_formtuple(toasttupDesc, t_values, t_nulls);
if (!HeapTupleIsValid(toasttup))
elog(ERROR, "failed to build TOAST tuple");
simple_heap_insert(toastrel, toasttup);
/*
* Create the index entry. We cheat a little here by not using
* FormIndexDatum: this relies on the knowledge that the index
* columns are the same as the initial columns of the table.
*
* Note also that there had better not be any user-created index on
* the TOAST table, since we don't bother to update anything else.
*/
idxres = index_insert(toastidx, t_values, t_nulls,
&(toasttup->t_self),
toastrel, toastidx->rd_index->indisunique);
if (idxres == NULL)
elog(ERROR, "failed to insert index entry for TOAST tuple");
/*
* Free memory
*/
pfree(idxres);
heap_freetuple(toasttup);
/*
* Move on to next chunk
*/
data_todo -= chunk_size;
data_p += chunk_size;
}
/*
* Done - close toast relation and return the reference
*/
index_close(toastidx);
heap_close(toastrel, RowExclusiveLock);
return PointerGetDatum(result);
}
/*
* IndexSpoolInsert -
*
* Copy from ExecInsertIndexTuples.
*/
static void
IndexSpoolInsert(BTSpool **spools, TupleTableSlot *slot, ItemPointer tupleid, EState *estate, bool reindex)
{
ResultRelInfo *relinfo;
int i;
int numIndices;
RelationPtr indices;
IndexInfo **indexInfoArray;
Relation heapRelation;
ExprContext *econtext;
/*
* Get information from the result relation relinfo structure.
*/
relinfo = estate->es_result_relation_info;
numIndices = relinfo->ri_NumIndices;
indices = relinfo->ri_IndexRelationDescs;
indexInfoArray = relinfo->ri_IndexRelationInfo;
heapRelation = relinfo->ri_RelationDesc;
/*
* We will use the EState's per-tuple context for evaluating predicates
* and index expressions (creating it if it's not already there).
*/
econtext = GetPerTupleExprContext(estate);
/* Arrange for econtext's scan tuple to be the tuple under test */
econtext->ecxt_scantuple = slot;
for (i = 0; i < numIndices; i++)
{
Datum values[INDEX_MAX_KEYS];
bool isnull[INDEX_MAX_KEYS];
IndexInfo *indexInfo;
if (indices[i] == NULL)
continue;
/* Skip non-btree indexes on reindex mode. */
if (reindex && spools != NULL && spools[i] == NULL)
continue;
indexInfo = indexInfoArray[i];
/* If the index is marked as read-only, ignore it */
if (!indexInfo->ii_ReadyForInserts)
continue;
/* Check for partial index */
if (indexInfo->ii_Predicate != NIL)
{
List *predicate;
/*
* If predicate state not set up yet, create it (in the estate's
* per-query context)
*/
predicate = indexInfo->ii_PredicateState;
if (predicate == NIL)
{
predicate = (List *) ExecPrepareExpr((Expr *) indexInfo->ii_Predicate, estate);
indexInfo->ii_PredicateState = predicate;
}
/* Skip this index-update if the predicate isn'loader satisfied */
if (!ExecQual(predicate, econtext, false))
continue;
}
FormIndexDatum(indexInfo, slot, estate, values, isnull);
/*
* Insert or spool the tuple.
*/
if (spools != NULL && spools[i] != NULL)
{
IndexTuple itup = index_form_tuple(RelationGetDescr(indices[i]), values, isnull);
itup->t_tid = *tupleid;
_bt_spool(itup, spools[i]);
pfree(itup);
}
else
{
/* Insert one by one */
index_insert(indices[i], values, isnull, tupleid, heapRelation, indices[i]->rd_index->indisunique);
}
}
}
/*
* CatalogIndexInsert - insert index entries for one catalog tuple
*
* This should be called for each inserted or updated catalog tuple.
*
* This is effectively a cut-down version of ExecInsertIndexTuples.
*/
void
CatalogIndexInsert(CatalogIndexState indstate, HeapTuple heapTuple)
{
int i;
int numIndexes;
RelationPtr relationDescs;
Relation heapRelation;
TupleTableSlot *slot;
IndexInfo **indexInfoArray;
Datum values[INDEX_MAX_KEYS];
bool isnull[INDEX_MAX_KEYS];
/* HOT update does not require index inserts */
if (HeapTupleIsHeapOnly(heapTuple))
return;
/*
* Get information from the state structure. Fall out if nothing to do.
*/
numIndexes = indstate->ri_NumIndices;
if (numIndexes == 0)
return;
relationDescs = indstate->ri_IndexRelationDescs;
indexInfoArray = indstate->ri_IndexRelationInfo;
heapRelation = indstate->ri_RelationDesc;
/* Need a slot to hold the tuple being examined */
slot = MakeSingleTupleTableSlot(RelationGetDescr(heapRelation));
ExecStoreTuple(heapTuple, slot, InvalidBuffer, false);
/*
* for each index, form and insert the index tuple
*/
for (i = 0; i < numIndexes; i++)
{
IndexInfo *indexInfo;
indexInfo = indexInfoArray[i];
/* If the index is marked as read-only, ignore it */
if (!indexInfo->ii_ReadyForInserts)
continue;
/*
* Expressional and partial indexes on system catalogs are not
* supported, nor exclusion constraints, nor deferred uniqueness
*/
Assert(indexInfo->ii_Expressions == NIL);
Assert(indexInfo->ii_Predicate == NIL);
Assert(indexInfo->ii_ExclusionOps == NULL);
Assert(relationDescs[i]->rd_index->indimmediate);
/*
* FormIndexDatum fills in its values and isnull parameters with the
* appropriate values for the column(s) of the index.
*/
FormIndexDatum(indexInfo,
slot,
NULL, /* no expression eval to do */
values,
isnull);
/*
* The index AM does the rest.
*/
index_insert(relationDescs[i], /* index relation */
values, /* array of index Datums */
isnull, /* is-null flags */
&(heapTuple->t_self), /* tid of heap tuple */
heapRelation,
relationDescs[i]->rd_index->indisunique ?
UNIQUE_CHECK_YES : UNIQUE_CHECK_NO);
}
ExecDropSingleTupleTableSlot(slot);
}
/*
* unique_key_recheck - trigger function to do a deferred uniqueness check.
*
* This now also does deferred exclusion-constraint checks, so the name is
* somewhat historical.
*
* This is invoked as an AFTER ROW trigger for both INSERT and UPDATE,
* for any rows recorded as potentially violating a deferrable unique
* or exclusion constraint.
*
* This may be an end-of-statement check, a commit-time check, or a
* check triggered by a SET CONSTRAINTS command.
*/
Datum
unique_key_recheck(PG_FUNCTION_ARGS)
{
TriggerData *trigdata = (TriggerData *) fcinfo->context;
const char *funcname = "unique_key_recheck";
HeapTuple new_row;
ItemPointerData tmptid;
Relation indexRel;
IndexInfo *indexInfo;
EState *estate;
ExprContext *econtext;
TupleTableSlot *slot;
Datum values[INDEX_MAX_KEYS];
bool isnull[INDEX_MAX_KEYS];
/*
* Make sure this is being called as an AFTER ROW trigger. Note:
* translatable error strings are shared with ri_triggers.c, so resist the
* temptation to fold the function name into them.
*/
if (!CALLED_AS_TRIGGER(fcinfo))
ereport(ERROR,
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("function \"%s\" was not called by trigger manager",
funcname)));
if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
!TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
ereport(ERROR,
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("function \"%s\" must be fired AFTER ROW",
funcname)));
/*
* Get the new data that was inserted/updated.
*/
if (TRIGGER_FIRED_BY_INSERT(trigdata->tg_event))
new_row = trigdata->tg_trigtuple;
else if (TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
new_row = trigdata->tg_newtuple;
else
{
ereport(ERROR,
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("function \"%s\" must be fired for INSERT or UPDATE",
funcname)));
new_row = NULL; /* keep compiler quiet */
}
/*
* If the new_row is now dead (ie, inserted and then deleted within our
* transaction), we can skip the check. However, we have to be careful,
* because this trigger gets queued only in response to index insertions;
* which means it does not get queued for HOT updates. The row we are
* called for might now be dead, but have a live HOT child, in which case
* we still need to make the check. Therefore we have to use
* heap_hot_search, not just HeapTupleSatisfiesVisibility as is done in
* the comparable test in RI_FKey_check.
*
* This might look like just an optimization, because the index AM will
* make this identical test before throwing an error. But it's actually
* needed for correctness, because the index AM will also throw an error
* if it doesn't find the index entry for the row. If the row's dead then
* it's possible the index entry has also been marked dead, and even
* removed.
*/
tmptid = new_row->t_self;
if (!heap_hot_search(&tmptid, trigdata->tg_relation, SnapshotSelf, NULL))
{
/*
* All rows in the HOT chain are dead, so skip the check.
*/
return PointerGetDatum(NULL);
}
/*
* Open the index, acquiring a RowExclusiveLock, just as if we were going
* to update it. (This protects against possible changes of the index
* schema, not against concurrent updates.)
*/
indexRel = index_open(trigdata->tg_trigger->tgconstrindid,
RowExclusiveLock);
indexInfo = BuildIndexInfo(indexRel);
/*
* The heap tuple must be put into a slot for FormIndexDatum.
*/
slot = MakeSingleTupleTableSlot(RelationGetDescr(trigdata->tg_relation));
ExecStoreTuple(new_row, slot, InvalidBuffer, false);
/*
* Typically the index won't have expressions, but if it does we need an
* EState to evaluate them. We need it for exclusion constraints too,
* even if they are just on simple columns.
*/
if (indexInfo->ii_Expressions != NIL ||
indexInfo->ii_ExclusionOps != NULL)
{
estate = CreateExecutorState();
econtext = GetPerTupleExprContext(estate);
econtext->ecxt_scantuple = slot;
}
else
estate = NULL;
/*
* Form the index values and isnull flags for the index entry that we need
* to check.
*
* Note: if the index uses functions that are not as immutable as they are
* supposed to be, this could produce an index tuple different from the
* original. The index AM can catch such errors by verifying that it
* finds a matching index entry with the tuple's TID. For exclusion
* constraints we check this in check_exclusion_constraint().
*/
FormIndexDatum(indexInfo, slot, estate, values, isnull);
/*
* Now do the appropriate check.
*/
if (indexInfo->ii_ExclusionOps == NULL)
{
/*
* Note: this is not a real insert; it is a check that the index entry
* that has already been inserted is unique.
*/
index_insert(indexRel, values, isnull, &(new_row->t_self),
trigdata->tg_relation, UNIQUE_CHECK_EXISTING);
}
else
{
/*
* For exclusion constraints we just do the normal check, but now it's
* okay to throw error.
*/
check_exclusion_constraint(trigdata->tg_relation, indexRel, indexInfo,
&(new_row->t_self), values, isnull,
estate, false, false);
}
/*
* If that worked, then this index entry is unique or non-excluded, and we
* are done.
*/
if (estate != NULL)
FreeExecutorState(estate);
ExecDropSingleTupleTableSlot(slot);
index_close(indexRel, RowExclusiveLock);
return PointerGetDatum(NULL);
}