Github user DaanHoogland commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/787#discussion_r43580727
--- Diff: engine/schema/src/com/cloud/capacity/dao/CapacityDaoImpl.java ---
@@ -98,9 +98,9 @@
private static final String
ORDER_PODS_BY_AGGREGATE_OVERCOMMIT_CAPACITY =
"SELECT capacity.pod_id,
SUM(used_capacity+reserved_capacity)/SUM(total_capacity *
cluster_details.value) FROM `cloud`.`op_host_capacity` capacity INNER JOIN
`cloud`.`cluster_details` cluster_details ON (capacity.cluster_id =
cluster_details.cluster_id) WHERE data_center_id=? AND capacity_type = ? AND
cluster_details.name = ? GROUP BY capacity.pod_id ORDER BY
SUM(used_capacity+reserved_capacity)/SUM(total_capacity *
cluster_details.value) ASC";
- private static final String ORDER_HOSTS_BY_FREE_CAPACITY = "SELECT
host_id, SUM(total_capacity -
(used_capacity+reserved_capacity))/SUM(total_capacity) FROM
`cloud`.`op_host_capacity` WHERE "
- + " cluster_id = ? AND capacity_type = ? GROUP BY
host_id ORDER BY SUM(total_capacity -
(used_capacity+reserved_capacity))/SUM(total_capacity) DESC ";
-
+ private static final String ORDER_HOSTS_BY_FREE_CAPACITY_PART1 =
"SELECT host_id, SUM(total_capacity -
(used_capacity+reserved_capacity))/SUM(total_capacity) FROM
`cloud`.`op_host_capacity` WHERE "
--- End diff --
the naming of these constants is not really in line with their purpose this
way. how about splitting it further and changing the names to
ORDER_HOSTS_BY_FREE_CAPACITY_SELECT_CLAUSE ,
ORDER_HOSTS_BY_FREE_CAPACITY_WHERE_CLAUSE ,
...
ORDER_HOSTS_BY_FREE_CAPACITY_ORDER_BY_CLAUSE ,
also the conditional part can be defined here
ORDER_HOSTS_BY_FREE_CAPACITY_CLUSTER_SELECTION = "AND cluster_id = ?";
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