Bug#44622: Using PARTITIONs with ARCHIVE engine reports 0 bytes in i_s.TABLES

Problem was that ha_archive::info did not use the flag argument
correctly

fixed so that it updated the correct values depending on the flag.

mysql-test/r/partition_archive.result

+CREATE TABLE t1 (f1 DATE NOT NULL) 
+ENGINE = ARCHIVE PARTITION BY RANGE (TO_DAYS(f1)) 
+(partition p1 values less than (733751), 
+partition p2 values less than MAXVALUE);
+INSERT INTO t1 VALUES(CURRENT_DATE);
+SELECT DATA_LENGTH, INDEX_LENGTH FROM information_schema.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH	INDEX_LENGTH
+190	0
+SELECT DATA_LENGTH, INDEX_LENGTH FROM information_schema.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH	INDEX_LENGTH
+190	0
+DROP TABLE t1;
+CREATE TABLE t1 (f1 DATE NOT NULL) 
+ENGINE = ARCHIVE;
+INSERT INTO t1 VALUES(CURRENT_DATE);
+SELECT DATA_LENGTH, INDEX_LENGTH FROM information_schema.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH	INDEX_LENGTH
+8658	0
+SELECT DATA_LENGTH, INDEX_LENGTH FROM information_schema.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH	INDEX_LENGTH
+8658	0
+DROP TABLE t1;
 drop database if exists db99;
 drop table if exists t1;
 create database db99;

mysql-test/t/partition_archive.test

@@ -10,6 +10,27 @@
 --source include/have_partition.inc
 --source include/have_archive.inc
 
+let $MYSQLD_DATADIR= `select @@datadir`;
+
+#
+# Bug#44622: Using PARTITIONs with ARCHIVE engine reports 0 bytes in i_s.TABLES
+#
+CREATE TABLE t1 (f1 DATE NOT NULL) 
+ENGINE = ARCHIVE PARTITION BY RANGE (TO_DAYS(f1)) 
+(partition p1 values less than (733751), 
+ partition p2 values less than MAXVALUE); 
+
+INSERT INTO t1 VALUES(CURRENT_DATE); 
+
+SELECT DATA_LENGTH, INDEX_LENGTH FROM information_schema.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+SELECT DATA_LENGTH, INDEX_LENGTH FROM information_schema.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DROP TABLE t1;
+CREATE TABLE t1 (f1 DATE NOT NULL) 
+ENGINE = ARCHIVE;
+INSERT INTO t1 VALUES(CURRENT_DATE); 
+SELECT DATA_LENGTH, INDEX_LENGTH FROM information_schema.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+SELECT DATA_LENGTH, INDEX_LENGTH FROM information_schema.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DROP TABLE t1;
 
 #
 # Bug 17310 Partitions: Bugs with archived partitioned tables

storage/archive/ha_archive.cc

@@ -1466,20 +1466,27 @@ int ha_archive::info(uint flag)
 
   DBUG_PRINT("ha_archive", ("Stats rows is %d\n", (int)stats.records));
   /* Costs quite a bit more to get all information */
-  if (flag & HA_STATUS_TIME)
+  if (flag & (HA_STATUS_TIME | HA_STATUS_CONST | HA_STATUS_VARIABLE))
   {
     MY_STAT file_stat;  // Stat information for the data file
 
     VOID(my_stat(share->data_file_name, &file_stat, MYF(MY_WME)));
 
-    stats.mean_rec_length= table->s->reclength + buffer.alloced_length();
-    stats.data_file_length= file_stat.st_size;
-    stats.create_time= (ulong) file_stat.st_ctime;
-    stats.update_time= (ulong) file_stat.st_mtime;
-    stats.max_data_file_length= share->rows_recorded * stats.mean_rec_length;
+    if (flag & HA_STATUS_TIME)
+      stats.update_time= (ulong) file_stat.st_mtime;
+    if (flag & HA_STATUS_CONST)
+    {
+      stats.max_data_file_length= share->rows_recorded * stats.mean_rec_length;
+      stats.create_time= (ulong) file_stat.st_ctime;
+    }
+    if (flag & HA_STATUS_VARIABLE)
+    {
+      stats.delete_length= 0;
+      stats.data_file_length= file_stat.st_size;
+      stats.index_file_length=0;
+      stats.mean_rec_length= table->s->reclength + buffer.alloced_length();
+    }
   }
-  stats.delete_length= 0;
-  stats.index_file_length=0;
 
   if (flag & HA_STATUS_AUTO)
   {