From c209e4457457edc042f063390c9a222a694f3a6d Mon Sep 17 00:00:00 2001
From: Derrick Anderson <derrick@andersonwebstudio.com>
Date: Mon, 12 Feb 2018 16:01:02 -0500
Subject: revert master changes

---
 store/sqlstore/channel_member_history_store.go | 12 +++++-------
 store/sqlstore/compliance_store.go             |  3 +--
 store/sqlstore/post_store.go                   | 15 +++++----------
 store/sqlstore/upgrade.go                      |  9 ---------
 4 files changed, 11 insertions(+), 28 deletions(-)

(limited to 'store/sqlstore')

diff --git a/store/sqlstore/channel_member_history_store.go b/store/sqlstore/channel_member_history_store.go
index 0b86aac28..182f37ce9 100644
--- a/store/sqlstore/channel_member_history_store.go
+++ b/store/sqlstore/channel_member_history_store.go
@@ -110,8 +110,7 @@ func (s SqlChannelMemberHistoryStore) getFromChannelMemberHistoryTable(startTime
 	query := `
 			SELECT
 				cmh.*,
-				u.Email,
-				u.Username
+				u.Email
 			FROM ChannelMemberHistory cmh
 			INNER JOIN Users u ON cmh.UserId = u.Id
 			WHERE cmh.ChannelId = :ChannelId
@@ -131,10 +130,9 @@ func (s SqlChannelMemberHistoryStore) getFromChannelMemberHistoryTable(startTime
 func (s SqlChannelMemberHistoryStore) getFromChannelMembersTable(startTime int64, endTime int64, channelId string) ([]*model.ChannelMemberHistory, error) {
 	query := `
 		SELECT DISTINCT
-			ch.ChannelId,
-			ch.UserId,
-			u.Email,
-			u.Username
+  			ch.ChannelId,
+  			ch.UserId,
+  			u.email
 		FROM ChannelMembers AS ch
 		INNER JOIN Users AS u ON ch.UserId = u.id
 		WHERE ch.ChannelId = :ChannelId`
@@ -160,7 +158,7 @@ func (s SqlChannelMemberHistoryStore) PermanentDeleteBatch(endTime int64, limit
 			query =
 				`DELETE FROM ChannelMemberHistory
 				 WHERE ctid IN (
-					SELECT ctid FROM ChannelMemberHistory
+				 	SELECT ctid FROM ChannelMemberHistory
 					WHERE LeaveTime IS NOT NULL
 					AND LeaveTime <= :EndTime
 					LIMIT :Limit
diff --git a/store/sqlstore/compliance_store.go b/store/sqlstore/compliance_store.go
index 03d92d5e1..a25b01548 100644
--- a/store/sqlstore/compliance_store.go
+++ b/store/sqlstore/compliance_store.go
@@ -225,8 +225,7 @@ func (s SqlComplianceStore) MessageExport(after int64, limit int) store.StoreCha
 				Channels.Id AS ChannelId,
 				Channels.DisplayName AS ChannelDisplayName,
 				Users.Id AS UserId,
-				Users.Email AS UserEmail,
-				Users.Username
+				Users.Email AS UserEmail
 			FROM
 				Posts
 				LEFT OUTER JOIN Channels ON Posts.ChannelId = Channels.Id
diff --git a/store/sqlstore/post_store.go b/store/sqlstore/post_store.go
index 25c3c4913..bc336e70d 100644
--- a/store/sqlstore/post_store.go
+++ b/store/sqlstore/post_store.go
@@ -322,10 +322,7 @@ type etagPosts struct {
 
 func (s SqlPostStore) InvalidateLastPostTimeCache(channelId string) {
 	lastPostTimeCache.Remove(channelId)
-
-	// Keys are "{channelid}{limit}" and caching only occurs on limits of 30 and 60
-	lastPostsCache.Remove(channelId + "30")
-	lastPostsCache.Remove(channelId + "60")
+	lastPostsCache.Remove(channelId)
 }
 
 func (s SqlPostStore) GetEtag(channelId string, allowFromCache bool) store.StoreChannel {
@@ -442,9 +439,8 @@ func (s SqlPostStore) GetPosts(channelId string, offset int, limit int, allowFro
 			return
 		}
 
-		// Caching only occurs on limits of 30 and 60, the common limits requested by MM clients
-		if allowFromCache && offset == 0 && (limit == 60 || limit == 30) {
-			if cacheItem, ok := lastPostsCache.Get(fmt.Sprintf("%s%v", channelId, limit)); ok {
+		if allowFromCache && offset == 0 && limit == 60 {
+			if cacheItem, ok := lastPostsCache.Get(channelId); ok {
 				if s.metrics != nil {
 					s.metrics.IncrementMemCacheHitCounter("Last Posts Cache")
 				}
@@ -486,9 +482,8 @@ func (s SqlPostStore) GetPosts(channelId string, offset int, limit int, allowFro
 
 			list.MakeNonNil()
 
-			// Caching only occurs on limits of 30 and 60, the common limits requested by MM clients
-			if offset == 0 && (limit == 60 || limit == 30) {
-				lastPostsCache.AddWithExpiresInSecs(fmt.Sprintf("%s%v", channelId, limit), list, LAST_POSTS_CACHE_SEC)
+			if offset == 0 && limit == 60 {
+				lastPostsCache.AddWithExpiresInSecs(channelId, list, LAST_POSTS_CACHE_SEC)
 			}
 
 			result.Data = list
diff --git a/store/sqlstore/upgrade.go b/store/sqlstore/upgrade.go
index 56fdf9d6c..7c1522f25 100644
--- a/store/sqlstore/upgrade.go
+++ b/store/sqlstore/upgrade.go
@@ -15,7 +15,6 @@ import (
 )
 
 const (
-	VERSION_4_8_0            = "4.8.0"
 	VERSION_4_7_0            = "4.7.0"
 	VERSION_4_6_0            = "4.6.0"
 	VERSION_4_5_0            = "4.5.0"
@@ -65,7 +64,6 @@ func UpgradeDatabase(sqlStore SqlStore) {
 	UpgradeDatabaseToVersion45(sqlStore)
 	UpgradeDatabaseToVersion46(sqlStore)
 	UpgradeDatabaseToVersion47(sqlStore)
-	UpgradeDatabaseToVersion48(sqlStore)
 
 	// If the SchemaVersion is empty this this is the first time it has ran
 	// so lets set it to the current version.
@@ -349,10 +347,3 @@ func UpgradeDatabaseToVersion47(sqlStore SqlStore) {
 		saveSchemaVersion(sqlStore, VERSION_4_7_0)
 	}
 }
-
-func UpgradeDatabaseToVersion48(sqlStore SqlStore) {
-	//TODO: Uncomment the following condition when version 4.8.0 is released
-	//if shouldPerformUpgrade(sqlStore, VERSION_4_7_0, VERSION_4_8_0) {
-	//	saveSchemaVersion(sqlStore, VERSION_4_8_0)
-	//}
-}
-- 
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