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[t:1929], use getf functions in index_first and index_last

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git-svn-id: file:///svn/mysql/tokudb-engine/src@14077 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Zardosht Kasheff 2009-08-19 14:17:12 +00:00 committed by Yoni Fogel
parent 7e9b23cebd
commit 27e66c899e
1 changed files with 30 additions and 12 deletions
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42
storage/tokudb/ha_tokudb.cc
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@ -3811,14 +3811,23 @@ cleanup:
int ha_tokudb::index_first(uchar * buf) {
TOKUDB_DBUG_ENTER("ha_tokudb::index_first");
int error;
DBT row;
struct smart_dbt_info info;
u_int32_t flags = SET_READ_FLAG(0);
HANDLE_INVALID_CURSOR();
statistic_increment(table->in_use->status_var.ha_read_first_count, &LOCK_status);
bzero((void *) &row, sizeof(row));
error = handle_cursor_error(cursor->c_get(cursor, &last_key, &row, DB_FIRST),HA_ERR_END_OF_FILE,active_index);
if (!error) {
error = read_row(buf, active_index, &row, &last_key);
statistic_increment(table->in_use->status_var.ha_read_first_count, &LOCK_status);
info.ha = this;
info.buf = buf;
info.keynr = active_index;
error = handle_cursor_error(cursor->c_getf_first(cursor, flags, SMART_DBT_CALLBACK, &info),HA_ERR_END_OF_FILE,active_index);
//
// still need to get entire contents of the row if operation done on
// secondary DB and it was NOT a covering index
//
if (!error && !key_read && (active_index != primary_key) && !(table->key_info[active_index].flags & HA_CLUSTERING) ) {
error = read_full_row(buf);
}
cleanup:
@ -3837,14 +3846,23 @@ cleanup:
int ha_tokudb::index_last(uchar * buf) {
TOKUDB_DBUG_ENTER("ha_tokudb::index_last");
int error;
DBT row;
struct smart_dbt_info info;
u_int32_t flags = SET_READ_FLAG(0);
HANDLE_INVALID_CURSOR();
statistic_increment(table->in_use->status_var.ha_read_last_count, &LOCK_status);
bzero((void *) &row, sizeof(row));
error = handle_cursor_error(cursor->c_get(cursor, &last_key, &row, DB_LAST),HA_ERR_END_OF_FILE,active_index);
if (!error) {
error = read_row(buf, active_index, &row, &last_key);
statistic_increment(table->in_use->status_var.ha_read_last_count, &LOCK_status);
info.ha = this;
info.buf = buf;
info.keynr = active_index;
error = handle_cursor_error(cursor->c_getf_last(cursor, flags, SMART_DBT_CALLBACK, &info),HA_ERR_END_OF_FILE,active_index);
//
// still need to get entire contents of the row if operation done on
// secondary DB and it was NOT a covering index
//
if (!error && !key_read && (active_index != primary_key) && !(table->key_info[active_index].flags & HA_CLUSTERING) ) {
error = read_full_row(buf);
}
cleanup:
TOKUDB_DBUG_RETURN(error);