Fix Issue #3: SHOW TABLE STATUS shows Auto_increment=0

MySQLOnRocksDB · Aug 27, 2015 · 3a6af9f · 3a6af9f
1 parent 16670bd
commit 3a6af9f
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Showing 3 changed files with 39 additions and 3 deletions.
diff --git a/mysql-test/r/rocksdb.result b/mysql-test/r/rocksdb.result
@@ -1214,3 +1214,28 @@ i
 2
 3
 drop table t1;
+# 
+# Fix Issue #3: SHOW TABLE STATUS shows Auto_increment=0
+# 
+create table t1 (i int primary key auto_increment) engine=RocksDB;
+insert into t1 values (null),(null);
+show table status like 't1';;
+Name	t1
+Engine	ROCKSDB
+Version	10
+Row_format	Fixed
+Rows	1000
+Avg_row_length	0
+Data_length	0
+Max_data_length	0
+Index_length	0
+Data_free	0
+Auto_increment	3
+Create_time	NULL
+Update_time	NULL
+Check_time	NULL
+Collation	latin1_swedish_ci
+Checksum	NULL
+Create_options	
+Comment	
+drop table t1;
diff --git a/mysql-test/t/rocksdb.test b/mysql-test/t/rocksdb.test
@@ -1092,3 +1092,12 @@ select * from t1;
 
 drop table t1;
 
+--echo # 
+--echo # Fix Issue #3: SHOW TABLE STATUS shows Auto_increment=0
+--echo # 
+create table t1 (i int primary key auto_increment) engine=RocksDB;
+
+insert into t1 values (null),(null);
+--query_vertical show table status like 't1';
+drop table t1;
+
diff --git a/storage/rocksdb/ha_rocksdb.cc b/storage/rocksdb/ha_rocksdb.cc
@@ -2058,6 +2058,11 @@ int ha_rocksdb::info(uint flag)
     dup_ref= pk_tuple; //TODO: this should store packed PK.
   }
 
+  if (flag & HA_STATUS_AUTO)
+  {
+    stats.auto_increment_value= tbl_def->auto_incr_val;
+  }
+
   DBUG_RETURN(0);
 }
 
@@ -2431,9 +2436,6 @@ void ha_rocksdb::update_create_info(HA_CREATE_INFO *create_info)
 {
   if (!(create_info->used_fields & HA_CREATE_USED_AUTO))
   {
-    table->file->info(HA_STATUS_AUTO);
-    // TODO: the following is basic, we need to actually
-    //  store the specified value somewhere..
     create_info->auto_increment_value= tbl_def->auto_incr_val;
   }
 }