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[t:2401],[t:2358], remove unnecessary uniqueness check and make insert ignore as fast as replace into on tables with no secondary indexes

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git-svn-id: file:///svn/mysql/tokudb-engine/tokudb-engine@18033 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Zardosht Kasheff 2013-04-17 00:01:59 -04:00 • committed by Yoni Fogel
parent f1488c2678
commit 8463490170
1 changed files with 21 additions and 4 deletions
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25
storage/tokudb/ha_tokudb.cc
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@ -1431,6 +1431,13 @@ exit:
return error;
}
static bool is_insert_ignore (THD* thd) {
//
// from http://lists.mysql.com/internals/37735
//
return thd->lex->ignore && thd->lex->duplicates == DUP_ERROR;
}
int ha_tokudb::initialize_share(
const char* name,
@ -2894,6 +2901,12 @@ int ha_tokudb::do_uniqueness_checks(uchar* record, DB_TXN* txn, THD* thd) {
for (uint keynr = 0; keynr < table_share->keys; keynr++) {
bool is_unique_key = table->key_info[keynr].flags & HA_NOSAME;
bool is_unique = false;
//
// don't need to do check for primary key
//
if (keynr == primary_key) {
continue;
}
if (!is_unique_key) {
continue;
}
@ -3035,7 +3048,11 @@ int ha_tokudb::insert_row_to_main_dictionary(uchar* record, DBT* pk_key, DBT* pk
//
if (thd_test_options(thd, OPTION_RELAXED_UNIQUE_CHECKS) || is_replace_into) {
put_flags = DB_YESOVERWRITE; // original put_flags can only be DB_YESOVERWRITE or DB_NOOVERWRITE
}
}
if (is_insert_ignore(thd)) {
put_flags = DB_NOOVERWRITE_NO_ERROR;
}
lockretryN(wait_lock_time){
error = share->file->put(
@ -3190,9 +3207,6 @@ int ha_tokudb::write_row(uchar * record) {
//
fix_mult_rec_buff();
error = do_uniqueness_checks(record, txn, thd);
if (error) { goto cleanup; }
if (tokudb_debug & TOKUDB_DEBUG_CHECK_KEY) {
error = test_row_packing(record,&prim_key,&row);
if (error) { goto cleanup; }
@ -3203,6 +3217,9 @@ int ha_tokudb::write_row(uchar * record) {
if (error) { goto cleanup; }
}
else {
error = do_uniqueness_checks(record, txn, thd);
if (error) { goto cleanup; }
error = insert_rows_to_dictionaries_mult(&prim_key, &row, txn, thd);
if (error) { goto cleanup; }
}