Move sql store code into store/sqlstore package (#7502)

* move sql store code into store/sqlstore package

* move non-sql constants back up to store

* fix api test

* derp

1 files changed, 0 insertions, 883 deletions

diff --git a/store/sql_supplier.go b/store/sql_supplier.go
deleted file mode 100644
index f839bbed5..000000000
--- a/store/sql_supplier.go
+++ /dev/null
@@ -1,883 +0,0 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
-
-package store
-
-import (
-	"context"
-	dbsql "database/sql"
-	"encoding/json"
-	"errors"
-	"fmt"
-	sqltrace "log"
-	"os"
-	"strings"
-	"sync/atomic"
-	"time"
-
-	l4g "github.com/alecthomas/log4go"
-	"github.com/go-sql-driver/mysql"
-	"github.com/lib/pq"
-	"github.com/mattermost/gorp"
-	"github.com/mattermost/mattermost-server/einterfaces"
-	"github.com/mattermost/mattermost-server/model"
-	"github.com/mattermost/mattermost-server/utils"
-)
-
-const (
-	INDEX_TYPE_FULL_TEXT = "full_text"
-	INDEX_TYPE_DEFAULT   = "default"
-	MAX_DB_CONN_LIFETIME = 60
-	DB_PING_ATTEMPTS     = 18
-	DB_PING_TIMEOUT_SECS = 10
-)
-
-const (
-	EXIT_CREATE_TABLE                = 100
-	EXIT_DB_OPEN                     = 101
-	EXIT_PING                        = 102
-	EXIT_NO_DRIVER                   = 103
-	EXIT_TABLE_EXISTS                = 104
-	EXIT_TABLE_EXISTS_MYSQL          = 105
-	EXIT_COLUMN_EXISTS               = 106
-	EXIT_DOES_COLUMN_EXISTS_POSTGRES = 107
-	EXIT_DOES_COLUMN_EXISTS_MYSQL    = 108
-	EXIT_DOES_COLUMN_EXISTS_MISSING  = 109
-	EXIT_CREATE_COLUMN_POSTGRES      = 110
-	EXIT_CREATE_COLUMN_MYSQL         = 111
-	EXIT_CREATE_COLUMN_MISSING       = 112
-	EXIT_REMOVE_COLUMN               = 113
-	EXIT_RENAME_COLUMN               = 114
-	EXIT_MAX_COLUMN                  = 115
-	EXIT_ALTER_COLUMN                = 116
-	EXIT_CREATE_INDEX_POSTGRES       = 117
-	EXIT_CREATE_INDEX_MYSQL          = 118
-	EXIT_CREATE_INDEX_FULL_MYSQL     = 119
-	EXIT_CREATE_INDEX_MISSING        = 120
-	EXIT_REMOVE_INDEX_POSTGRES       = 121
-	EXIT_REMOVE_INDEX_MYSQL          = 122
-	EXIT_REMOVE_INDEX_MISSING        = 123
-	EXIT_REMOVE_TABLE                = 134
-)
-
-type SqlSupplierOldStores struct {
-	team            TeamStore
-	channel         ChannelStore
-	post            PostStore
-	user            UserStore
-	audit           AuditStore
-	cluster         ClusterDiscoveryStore
-	compliance      ComplianceStore
-	session         SessionStore
-	oauth           OAuthStore
-	system          SystemStore
-	webhook         WebhookStore
-	command         CommandStore
-	commandWebhook  CommandWebhookStore
-	preference      PreferenceStore
-	license         LicenseStore
-	token           TokenStore
-	emoji           EmojiStore
-	status          StatusStore
-	fileInfo        FileInfoStore
-	reaction        ReactionStore
-	job             JobStore
-	userAccessToken UserAccessTokenStore
-}
-
-type SqlSupplier struct {
-	// rrCounter and srCounter should be kept first.
-	// See https://github.com/mattermost/mattermost-server/pull/7281
-	rrCounter      int64
-	srCounter      int64
-	next           LayeredStoreSupplier
-	master         *gorp.DbMap
-	replicas       []*gorp.DbMap
-	searchReplicas []*gorp.DbMap
-	oldStores      SqlSupplierOldStores
-}
-
-func NewSqlSupplier(metrics einterfaces.MetricsInterface) *SqlSupplier {
-	supplier := &SqlSupplier{
-		rrCounter: 0,
-		srCounter: 0,
-	}
-
-	supplier.initConnection()
-
-	supplier.oldStores.team = NewSqlTeamStore(supplier)
-	supplier.oldStores.channel = NewSqlChannelStore(supplier, metrics)
-	supplier.oldStores.post = NewSqlPostStore(supplier, metrics)
-	supplier.oldStores.user = NewSqlUserStore(supplier, metrics)
-	supplier.oldStores.audit = NewSqlAuditStore(supplier)
-	supplier.oldStores.cluster = NewSqlClusterDiscoveryStore(supplier)
-	supplier.oldStores.compliance = NewSqlComplianceStore(supplier)
-	supplier.oldStores.session = NewSqlSessionStore(supplier)
-	supplier.oldStores.oauth = NewSqlOAuthStore(supplier)
-	supplier.oldStores.system = NewSqlSystemStore(supplier)
-	supplier.oldStores.webhook = NewSqlWebhookStore(supplier, metrics)
-	supplier.oldStores.command = NewSqlCommandStore(supplier)
-	supplier.oldStores.commandWebhook = NewSqlCommandWebhookStore(supplier)
-	supplier.oldStores.preference = NewSqlPreferenceStore(supplier)
-	supplier.oldStores.license = NewSqlLicenseStore(supplier)
-	supplier.oldStores.token = NewSqlTokenStore(supplier)
-	supplier.oldStores.emoji = NewSqlEmojiStore(supplier, metrics)
-	supplier.oldStores.status = NewSqlStatusStore(supplier)
-	supplier.oldStores.fileInfo = NewSqlFileInfoStore(supplier, metrics)
-	supplier.oldStores.job = NewSqlJobStore(supplier)
-	supplier.oldStores.userAccessToken = NewSqlUserAccessTokenStore(supplier)
-
-	initSqlSupplierReactions(supplier)
-
-	err := supplier.GetMaster().CreateTablesIfNotExists()
-	if err != nil {
-		l4g.Critical(utils.T("store.sql.creating_tables.critical"), err)
-		time.Sleep(time.Second)
-		os.Exit(EXIT_CREATE_TABLE)
-	}
-
-	UpgradeDatabase(supplier)
-
-	supplier.oldStores.team.(*SqlTeamStore).CreateIndexesIfNotExists()
-	supplier.oldStores.channel.(*SqlChannelStore).CreateIndexesIfNotExists()
-	supplier.oldStores.post.(*SqlPostStore).CreateIndexesIfNotExists()
-	supplier.oldStores.user.(*SqlUserStore).CreateIndexesIfNotExists()
-	supplier.oldStores.audit.(*SqlAuditStore).CreateIndexesIfNotExists()
-	supplier.oldStores.compliance.(*SqlComplianceStore).CreateIndexesIfNotExists()
-	supplier.oldStores.session.(*SqlSessionStore).CreateIndexesIfNotExists()
-	supplier.oldStores.oauth.(*SqlOAuthStore).CreateIndexesIfNotExists()
-	supplier.oldStores.system.(*SqlSystemStore).CreateIndexesIfNotExists()
-	supplier.oldStores.webhook.(*SqlWebhookStore).CreateIndexesIfNotExists()
-	supplier.oldStores.command.(*SqlCommandStore).CreateIndexesIfNotExists()
-	supplier.oldStores.commandWebhook.(*SqlCommandWebhookStore).CreateIndexesIfNotExists()
-	supplier.oldStores.preference.(*SqlPreferenceStore).CreateIndexesIfNotExists()
-	supplier.oldStores.license.(*SqlLicenseStore).CreateIndexesIfNotExists()
-	supplier.oldStores.token.(*SqlTokenStore).CreateIndexesIfNotExists()
-	supplier.oldStores.emoji.(*SqlEmojiStore).CreateIndexesIfNotExists()
-	supplier.oldStores.status.(*SqlStatusStore).CreateIndexesIfNotExists()
-	supplier.oldStores.fileInfo.(*SqlFileInfoStore).CreateIndexesIfNotExists()
-	supplier.oldStores.job.(*SqlJobStore).CreateIndexesIfNotExists()
-	supplier.oldStores.userAccessToken.(*SqlUserAccessTokenStore).CreateIndexesIfNotExists()
-
-	supplier.oldStores.preference.(*SqlPreferenceStore).DeleteUnusedFeatures()
-
-	return supplier
-}
-
-func (s *SqlSupplier) SetChainNext(next LayeredStoreSupplier) {
-	s.next = next
-}
-
-func (s *SqlSupplier) Next() LayeredStoreSupplier {
-	return s.next
-}
-
-func setupConnection(con_type string, driver string, dataSource string, maxIdle int, maxOpen int, trace bool) *gorp.DbMap {
-	db, err := dbsql.Open(driver, dataSource)
-	if err != nil {
-		l4g.Critical(utils.T("store.sql.open_conn.critical"), err)
-		time.Sleep(time.Second)
-		os.Exit(EXIT_DB_OPEN)
-	}
-
-	for i := 0; i < DB_PING_ATTEMPTS; i++ {
-		l4g.Info("Pinging SQL %v database", con_type)
-		ctx, cancel := context.WithTimeout(context.Background(), DB_PING_TIMEOUT_SECS*time.Second)
-		defer cancel()
-		err = db.PingContext(ctx)
-		if err == nil {
-			break
-		} else {
-			if i == DB_PING_ATTEMPTS-1 {
-				l4g.Critical("Failed to ping DB, server will exit err=%v", err)
-				time.Sleep(time.Second)
-				os.Exit(EXIT_PING)
-			} else {
-				l4g.Error("Failed to ping DB retrying in %v seconds err=%v", DB_PING_TIMEOUT_SECS, err)
-				time.Sleep(DB_PING_TIMEOUT_SECS * time.Second)
-			}
-		}
-	}
-
-	db.SetMaxIdleConns(maxIdle)
-	db.SetMaxOpenConns(maxOpen)
-	db.SetConnMaxLifetime(time.Duration(MAX_DB_CONN_LIFETIME) * time.Minute)
-
-	var dbmap *gorp.DbMap
-
-	connectionTimeout := time.Duration(*utils.Cfg.SqlSettings.QueryTimeout) * time.Second
-
-	if driver == "sqlite3" {
-		dbmap = &gorp.DbMap{Db: db, TypeConverter: mattermConverter{}, Dialect: gorp.SqliteDialect{}, QueryTimeout: connectionTimeout}
-	} else if driver == model.DATABASE_DRIVER_MYSQL {
-		dbmap = &gorp.DbMap{Db: db, TypeConverter: mattermConverter{}, Dialect: gorp.MySQLDialect{Engine: "InnoDB", Encoding: "UTF8MB4"}, QueryTimeout: connectionTimeout}
-	} else if driver == model.DATABASE_DRIVER_POSTGRES {
-		dbmap = &gorp.DbMap{Db: db, TypeConverter: mattermConverter{}, Dialect: gorp.PostgresDialect{}, QueryTimeout: connectionTimeout}
-	} else {
-		l4g.Critical(utils.T("store.sql.dialect_driver.critical"))
-		time.Sleep(time.Second)
-		os.Exit(EXIT_NO_DRIVER)
-	}
-
-	if trace {
-		dbmap.TraceOn("", sqltrace.New(os.Stdout, "sql-trace:", sqltrace.Lmicroseconds))
-	}
-
-	return dbmap
-}
-
-func (s *SqlSupplier) initConnection() {
-	s.master = setupConnection("master", *utils.Cfg.SqlSettings.DriverName,
-		*utils.Cfg.SqlSettings.DataSource, *utils.Cfg.SqlSettings.MaxIdleConns,
-		*utils.Cfg.SqlSettings.MaxOpenConns, utils.Cfg.SqlSettings.Trace)
-
-	if len(utils.Cfg.SqlSettings.DataSourceReplicas) == 0 {
-		s.replicas = make([]*gorp.DbMap, 1)
-		s.replicas[0] = s.master
-	} else {
-		s.replicas = make([]*gorp.DbMap, len(utils.Cfg.SqlSettings.DataSourceReplicas))
-		for i, replica := range utils.Cfg.SqlSettings.DataSourceReplicas {
-			s.replicas[i] = setupConnection(fmt.Sprintf("replica-%v", i), *utils.Cfg.SqlSettings.DriverName, replica,
-				*utils.Cfg.SqlSettings.MaxIdleConns, *utils.Cfg.SqlSettings.MaxOpenConns,
-				utils.Cfg.SqlSettings.Trace)
-		}
-	}
-
-	if len(utils.Cfg.SqlSettings.DataSourceSearchReplicas) == 0 {
-		s.searchReplicas = s.replicas
-	} else {
-		s.searchReplicas = make([]*gorp.DbMap, len(utils.Cfg.SqlSettings.DataSourceSearchReplicas))
-		for i, replica := range utils.Cfg.SqlSettings.DataSourceSearchReplicas {
-			s.searchReplicas[i] = setupConnection(fmt.Sprintf("search-replica-%v", i), *utils.Cfg.SqlSettings.DriverName, replica,
-				*utils.Cfg.SqlSettings.MaxIdleConns, *utils.Cfg.SqlSettings.MaxOpenConns,
-				utils.Cfg.SqlSettings.Trace)
-		}
-	}
-}
-
-func (ss *SqlSupplier) GetCurrentSchemaVersion() string {
-	version, _ := ss.GetMaster().SelectStr("SELECT Value FROM Systems WHERE Name='Version'")
-	return version
-}
-
-func (ss *SqlSupplier) GetMaster() *gorp.DbMap {
-	return ss.master
-}
-
-func (ss *SqlSupplier) GetSearchReplica() *gorp.DbMap {
-	rrNum := atomic.AddInt64(&ss.srCounter, 1) % int64(len(ss.searchReplicas))
-	return ss.searchReplicas[rrNum]
-}
-
-func (ss *SqlSupplier) GetReplica() *gorp.DbMap {
-	rrNum := atomic.AddInt64(&ss.rrCounter, 1) % int64(len(ss.replicas))
-	return ss.replicas[rrNum]
-}
-
-func (ss *SqlSupplier) TotalMasterDbConnections() int {
-	return ss.GetMaster().Db.Stats().OpenConnections
-}
-
-func (ss *SqlSupplier) TotalReadDbConnections() int {
-
-	if len(utils.Cfg.SqlSettings.DataSourceReplicas) == 0 {
-		return 0
-	}
-
-	count := 0
-	for _, db := range ss.replicas {
-		count = count + db.Db.Stats().OpenConnections
-	}
-
-	return count
-}
-
-func (ss *SqlSupplier) TotalSearchDbConnections() int {
-	if len(utils.Cfg.SqlSettings.DataSourceSearchReplicas) == 0 {
-		return 0
-	}
-
-	count := 0
-	for _, db := range ss.searchReplicas {
-		count = count + db.Db.Stats().OpenConnections
-	}
-
-	return count
-}
-
-func (ss *SqlSupplier) MarkSystemRanUnitTests() {
-	if result := <-ss.System().Get(); result.Err == nil {
-		props := result.Data.(model.StringMap)
-		unitTests := props[model.SYSTEM_RAN_UNIT_TESTS]
-		if len(unitTests) == 0 {
-			systemTests := &model.System{Name: model.SYSTEM_RAN_UNIT_TESTS, Value: "1"}
-			<-ss.System().Save(systemTests)
-		}
-	}
-}
-
-func (ss *SqlSupplier) DoesTableExist(tableName string) bool {
-	if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
-		count, err := ss.GetMaster().SelectInt(
-			`SELECT count(relname) FROM pg_class WHERE relname=$1`,
-			strings.ToLower(tableName),
-		)
-
-		if err != nil {
-			l4g.Critical(utils.T("store.sql.table_exists.critical"), err)
-			time.Sleep(time.Second)
-			os.Exit(EXIT_TABLE_EXISTS)
-		}
-
-		return count > 0
-
-	} else if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_MYSQL {
-
-		count, err := ss.GetMaster().SelectInt(
-			`SELECT
-		    COUNT(0) AS table_exists
-			FROM
-			    information_schema.TABLES
-			WHERE
-			    TABLE_SCHEMA = DATABASE()
-			        AND TABLE_NAME = ?
-		    `,
-			tableName,
-		)
-
-		if err != nil {
-			l4g.Critical(utils.T("store.sql.table_exists.critical"), err)
-			time.Sleep(time.Second)
-			os.Exit(EXIT_TABLE_EXISTS_MYSQL)
-		}
-
-		return count > 0
-
-	} else {
-		l4g.Critical(utils.T("store.sql.column_exists_missing_driver.critical"))
-		time.Sleep(time.Second)
-		os.Exit(EXIT_COLUMN_EXISTS)
-		return false
-	}
-}
-
-func (ss *SqlSupplier) DoesColumnExist(tableName string, columnName string) bool {
-	if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
-		count, err := ss.GetMaster().SelectInt(
-			`SELECT COUNT(0)
-			FROM   pg_attribute
-			WHERE  attrelid = $1::regclass
-			AND    attname = $2
-			AND    NOT attisdropped`,
-			strings.ToLower(tableName),
-			strings.ToLower(columnName),
-		)
-
-		if err != nil {
-			if err.Error() == "pq: relation \""+strings.ToLower(tableName)+"\" does not exist" {
-				return false
-			}
-
-			l4g.Critical(utils.T("store.sql.column_exists.critical"), err)
-			time.Sleep(time.Second)
-			os.Exit(EXIT_DOES_COLUMN_EXISTS_POSTGRES)
-		}
-
-		return count > 0
-
-	} else if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_MYSQL {
-
-		count, err := ss.GetMaster().SelectInt(
-			`SELECT
-		    COUNT(0) AS column_exists
-		FROM
-		    information_schema.COLUMNS
-		WHERE
-		    TABLE_SCHEMA = DATABASE()
-		        AND TABLE_NAME = ?
-		        AND COLUMN_NAME = ?`,
-			tableName,
-			columnName,
-		)
-
-		if err != nil {
-			l4g.Critical(utils.T("store.sql.column_exists.critical"), err)
-			time.Sleep(time.Second)
-			os.Exit(EXIT_DOES_COLUMN_EXISTS_MYSQL)
-		}
-
-		return count > 0
-
-	} else {
-		l4g.Critical(utils.T("store.sql.column_exists_missing_driver.critical"))
-		time.Sleep(time.Second)
-		os.Exit(EXIT_DOES_COLUMN_EXISTS_MISSING)
-		return false
-	}
-}
-
-func (ss *SqlSupplier) CreateColumnIfNotExists(tableName string, columnName string, mySqlColType string, postgresColType string, defaultValue string) bool {
-
-	if ss.DoesColumnExist(tableName, columnName) {
-		return false
-	}
-
-	if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
-		_, err := ss.GetMaster().ExecNoTimeout("ALTER TABLE " + tableName + " ADD " + columnName + " " + postgresColType + " DEFAULT '" + defaultValue + "'")
-		if err != nil {
-			l4g.Critical(utils.T("store.sql.create_column.critical"), err)
-			time.Sleep(time.Second)
-			os.Exit(EXIT_CREATE_COLUMN_POSTGRES)
-		}
-
-		return true
-
-	} else if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_MYSQL {
-		_, err := ss.GetMaster().ExecNoTimeout("ALTER TABLE " + tableName + " ADD " + columnName + " " + mySqlColType + " DEFAULT '" + defaultValue + "'")
-		if err != nil {
-			l4g.Critical(utils.T("store.sql.create_column.critical"), err)
-			time.Sleep(time.Second)
-			os.Exit(EXIT_CREATE_COLUMN_MYSQL)
-		}
-
-		return true
-
-	} else {
-		l4g.Critical(utils.T("store.sql.create_column_missing_driver.critical"))
-		time.Sleep(time.Second)
-		os.Exit(EXIT_CREATE_COLUMN_MISSING)
-		return false
-	}
-}
-
-func (ss *SqlSupplier) RemoveColumnIfExists(tableName string, columnName string) bool {
-
-	if !ss.DoesColumnExist(tableName, columnName) {
-		return false
-	}
-
-	_, err := ss.GetMaster().ExecNoTimeout("ALTER TABLE " + tableName + " DROP COLUMN " + columnName)
-	if err != nil {
-		l4g.Critical("Failed to drop column %v", err)
-		time.Sleep(time.Second)
-		os.Exit(EXIT_REMOVE_COLUMN)
-	}
-
-	return true
-}
-
-func (ss *SqlSupplier) RemoveTableIfExists(tableName string) bool {
-	if !ss.DoesTableExist(tableName) {
-		return false
-	}
-
-	_, err := ss.GetMaster().ExecNoTimeout("DROP TABLE " + tableName)
-	if err != nil {
-		l4g.Critical("Failed to drop table %v", err)
-		time.Sleep(time.Second)
-		os.Exit(EXIT_REMOVE_TABLE)
-	}
-
-	return true
-}
-
-func (ss *SqlSupplier) RenameColumnIfExists(tableName string, oldColumnName string, newColumnName string, colType string) bool {
-	if !ss.DoesColumnExist(tableName, oldColumnName) {
-		return false
-	}
-
-	var err error
-	if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_MYSQL {
-		_, err = ss.GetMaster().ExecNoTimeout("ALTER TABLE " + tableName + " CHANGE " + oldColumnName + " " + newColumnName + " " + colType)
-	} else if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
-		_, err = ss.GetMaster().ExecNoTimeout("ALTER TABLE " + tableName + " RENAME COLUMN " + oldColumnName + " TO " + newColumnName)
-	}
-
-	if err != nil {
-		l4g.Critical(utils.T("store.sql.rename_column.critical"), err)
-		time.Sleep(time.Second)
-		os.Exit(EXIT_RENAME_COLUMN)
-	}
-
-	return true
-}
-
-func (ss *SqlSupplier) GetMaxLengthOfColumnIfExists(tableName string, columnName string) string {
-	if !ss.DoesColumnExist(tableName, columnName) {
-		return ""
-	}
-
-	var result string
-	var err error
-	if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_MYSQL {
-		result, err = ss.GetMaster().SelectStr("SELECT CHARACTER_MAXIMUM_LENGTH FROM information_schema.columns WHERE table_name = '" + tableName + "' AND COLUMN_NAME = '" + columnName + "'")
-	} else if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
-		result, err = ss.GetMaster().SelectStr("SELECT character_maximum_length FROM information_schema.columns WHERE table_name = '" + strings.ToLower(tableName) + "' AND column_name = '" + strings.ToLower(columnName) + "'")
-	}
-
-	if err != nil {
-		l4g.Critical(utils.T("store.sql.maxlength_column.critical"), err)
-		time.Sleep(time.Second)
-		os.Exit(EXIT_MAX_COLUMN)
-	}
-
-	return result
-}
-
-func (ss *SqlSupplier) AlterColumnTypeIfExists(tableName string, columnName string, mySqlColType string, postgresColType string) bool {
-	if !ss.DoesColumnExist(tableName, columnName) {
-		return false
-	}
-
-	var err error
-	if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_MYSQL {
-		_, err = ss.GetMaster().ExecNoTimeout("ALTER TABLE " + tableName + " MODIFY " + columnName + " " + mySqlColType)
-	} else if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
-		_, err = ss.GetMaster().ExecNoTimeout("ALTER TABLE " + strings.ToLower(tableName) + " ALTER COLUMN " + strings.ToLower(columnName) + " TYPE " + postgresColType)
-	}
-
-	if err != nil {
-		l4g.Critical(utils.T("store.sql.alter_column_type.critical"), err)
-		time.Sleep(time.Second)
-		os.Exit(EXIT_ALTER_COLUMN)
-	}
-
-	return true
-}
-
-func (ss *SqlSupplier) CreateUniqueIndexIfNotExists(indexName string, tableName string, columnName string) bool {
-	return ss.createIndexIfNotExists(indexName, tableName, columnName, INDEX_TYPE_DEFAULT, true)
-}
-
-func (ss *SqlSupplier) CreateIndexIfNotExists(indexName string, tableName string, columnName string) bool {
-	return ss.createIndexIfNotExists(indexName, tableName, columnName, INDEX_TYPE_DEFAULT, false)
-}
-
-func (ss *SqlSupplier) CreateFullTextIndexIfNotExists(indexName string, tableName string, columnName string) bool {
-	return ss.createIndexIfNotExists(indexName, tableName, columnName, INDEX_TYPE_FULL_TEXT, false)
-}
-
-func (ss *SqlSupplier) createIndexIfNotExists(indexName string, tableName string, columnName string, indexType string, unique bool) bool {
-
-	uniqueStr := ""
-	if unique {
-		uniqueStr = "UNIQUE "
-	}
-
-	if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
-		_, errExists := ss.GetMaster().SelectStr("SELECT $1::regclass", indexName)
-		// It should fail if the index does not exist
-		if errExists == nil {
-			return false
-		}
-
-		query := ""
-		if indexType == INDEX_TYPE_FULL_TEXT {
-			postgresColumnNames := convertMySQLFullTextColumnsToPostgres(columnName)
-			query = "CREATE INDEX " + indexName + " ON " + tableName + " USING gin(to_tsvector('english', " + postgresColumnNames + "))"
-		} else {
-			query = "CREATE " + uniqueStr + "INDEX " + indexName + " ON " + tableName + " (" + columnName + ")"
-		}
-
-		_, err := ss.GetMaster().ExecNoTimeout(query)
-		if err != nil {
-			l4g.Critical(utils.T("store.sql.create_index.critical"), errExists)
-			l4g.Critical(utils.T("store.sql.create_index.critical"), err)
-			time.Sleep(time.Second)
-			os.Exit(EXIT_CREATE_INDEX_POSTGRES)
-		}
-	} else if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_MYSQL {
-
-		count, err := ss.GetMaster().SelectInt("SELECT COUNT(0) AS index_exists FROM information_schema.statistics WHERE TABLE_SCHEMA = DATABASE() and table_name = ? AND index_name = ?", tableName, indexName)
-		if err != nil {
-			l4g.Critical(utils.T("store.sql.check_index.critical"), err)
-			time.Sleep(time.Second)
-			os.Exit(EXIT_CREATE_INDEX_MYSQL)
-		}
-
-		if count > 0 {
-			return false
-		}
-
-		fullTextIndex := ""
-		if indexType == INDEX_TYPE_FULL_TEXT {
-			fullTextIndex = " FULLTEXT "
-		}
-
-		_, err = ss.GetMaster().ExecNoTimeout("CREATE  " + uniqueStr + fullTextIndex + " INDEX " + indexName + " ON " + tableName + " (" + columnName + ")")
-		if err != nil {
-			l4g.Critical(utils.T("store.sql.create_index.critical"), err)
-			time.Sleep(time.Second)
-			os.Exit(EXIT_CREATE_INDEX_FULL_MYSQL)
-		}
-	} else {
-		l4g.Critical(utils.T("store.sql.create_index_missing_driver.critical"))
-		time.Sleep(time.Second)
-		os.Exit(EXIT_CREATE_INDEX_MISSING)
-	}
-
-	return true
-}
-
-func (ss *SqlSupplier) RemoveIndexIfExists(indexName string, tableName string) bool {
-
-	if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
-		_, err := ss.GetMaster().SelectStr("SELECT $1::regclass", indexName)
-		// It should fail if the index does not exist
-		if err != nil {
-			return false
-		}
-
-		_, err = ss.GetMaster().ExecNoTimeout("DROP INDEX " + indexName)
-		if err != nil {
-			l4g.Critical(utils.T("store.sql.remove_index.critical"), err)
-			time.Sleep(time.Second)
-			os.Exit(EXIT_REMOVE_INDEX_POSTGRES)
-		}
-
-		return true
-	} else if *utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_MYSQL {
-
-		count, err := ss.GetMaster().SelectInt("SELECT COUNT(0) AS index_exists FROM information_schema.statistics WHERE TABLE_SCHEMA = DATABASE() and table_name = ? AND index_name = ?", tableName, indexName)
-		if err != nil {
-			l4g.Critical(utils.T("store.sql.check_index.critical"), err)
-			time.Sleep(time.Second)
-			os.Exit(EXIT_REMOVE_INDEX_MYSQL)
-		}
-
-		if count <= 0 {
-			return false
-		}
-
-		_, err = ss.GetMaster().ExecNoTimeout("DROP INDEX " + indexName + " ON " + tableName)
-		if err != nil {
-			l4g.Critical(utils.T("store.sql.remove_index.critical"), err)
-			time.Sleep(time.Second)
-			os.Exit(EXIT_REMOVE_INDEX_MYSQL)
-		}
-	} else {
-		l4g.Critical(utils.T("store.sql.create_index_missing_driver.critical"))
-		time.Sleep(time.Second)
-		os.Exit(EXIT_REMOVE_INDEX_MISSING)
-	}
-
-	return true
-}
-
-func IsUniqueConstraintError(err error, indexName []string) bool {
-	unique := false
-	if pqErr, ok := err.(*pq.Error); ok && pqErr.Code == "23505" {
-		unique = true
-	}
-
-	if mysqlErr, ok := err.(*mysql.MySQLError); ok && mysqlErr.Number == 1062 {
-		unique = true
-	}
-
-	field := false
-	for _, contain := range indexName {
-		if strings.Contains(err.Error(), contain) {
-			field = true
-			break
-		}
-	}
-
-	return unique && field
-}
-
-func (ss *SqlSupplier) GetAllConns() []*gorp.DbMap {
-	all := make([]*gorp.DbMap, len(ss.replicas)+1)
-	copy(all, ss.replicas)
-	all[len(ss.replicas)] = ss.master
-	return all
-}
-
-func (ss *SqlSupplier) Close() {
-	l4g.Info(utils.T("store.sql.closing.info"))
-	ss.master.Db.Close()
-	for _, replica := range ss.replicas {
-		replica.Db.Close()
-	}
-}
-
-func (ss *SqlSupplier) Team() TeamStore {
-	return ss.oldStores.team
-}
-
-func (ss *SqlSupplier) Channel() ChannelStore {
-	return ss.oldStores.channel
-}
-
-func (ss *SqlSupplier) Post() PostStore {
-	return ss.oldStores.post
-}
-
-func (ss *SqlSupplier) User() UserStore {
-	return ss.oldStores.user
-}
-
-func (ss *SqlSupplier) Session() SessionStore {
-	return ss.oldStores.session
-}
-
-func (ss *SqlSupplier) Audit() AuditStore {
-	return ss.oldStores.audit
-}
-
-func (ss *SqlSupplier) ClusterDiscovery() ClusterDiscoveryStore {
-	return ss.oldStores.cluster
-}
-
-func (ss *SqlSupplier) Compliance() ComplianceStore {
-	return ss.oldStores.compliance
-}
-
-func (ss *SqlSupplier) OAuth() OAuthStore {
-	return ss.oldStores.oauth
-}
-
-func (ss *SqlSupplier) System() SystemStore {
-	return ss.oldStores.system
-}
-
-func (ss *SqlSupplier) Webhook() WebhookStore {
-	return ss.oldStores.webhook
-}
-
-func (ss *SqlSupplier) Command() CommandStore {
-	return ss.oldStores.command
-}
-
-func (ss *SqlSupplier) CommandWebhook() CommandWebhookStore {
-	return ss.oldStores.commandWebhook
-}
-
-func (ss *SqlSupplier) Preference() PreferenceStore {
-	return ss.oldStores.preference
-}
-
-func (ss *SqlSupplier) License() LicenseStore {
-	return ss.oldStores.license
-}
-
-func (ss *SqlSupplier) Token() TokenStore {
-	return ss.oldStores.token
-}
-
-func (ss *SqlSupplier) Emoji() EmojiStore {
-	return ss.oldStores.emoji
-}
-
-func (ss *SqlSupplier) Status() StatusStore {
-	return ss.oldStores.status
-}
-
-func (ss *SqlSupplier) FileInfo() FileInfoStore {
-	return ss.oldStores.fileInfo
-}
-
-func (ss *SqlSupplier) Reaction() ReactionStore {
-	return ss.oldStores.reaction
-}
-
-func (ss *SqlSupplier) Job() JobStore {
-	return ss.oldStores.job
-}
-
-func (ss *SqlSupplier) UserAccessToken() UserAccessTokenStore {
-	return ss.oldStores.userAccessToken
-}
-
-func (ss *SqlSupplier) DropAllTables() {
-	ss.master.TruncateTables()
-}
-
-type mattermConverter struct{}
-
-func (me mattermConverter) ToDb(val interface{}) (interface{}, error) {
-
-	switch t := val.(type) {
-	case model.StringMap:
-		return model.MapToJson(t), nil
-	case map[string]string:
-		return model.MapToJson(model.StringMap(t)), nil
-	case model.StringArray:
-		return model.ArrayToJson(t), nil
-	case model.StringInterface:
-		return model.StringInterfaceToJson(t), nil
-	case map[string]interface{}:
-		return model.StringInterfaceToJson(model.StringInterface(t)), nil
-	}
-
-	return val, nil
-}
-
-func (me mattermConverter) FromDb(target interface{}) (gorp.CustomScanner, bool) {
-	switch target.(type) {
-	case *model.StringMap:
-		binder := func(holder, target interface{}) error {
-			s, ok := holder.(*string)
-			if !ok {
-				return errors.New(utils.T("store.sql.convert_string_map"))
-			}
-			b := []byte(*s)
-			return json.Unmarshal(b, target)
-		}
-		return gorp.CustomScanner{Holder: new(string), Target: target, Binder: binder}, true
-	case *map[string]string:
-		binder := func(holder, target interface{}) error {
-			s, ok := holder.(*string)
-			if !ok {
-				return errors.New(utils.T("store.sql.convert_string_map"))
-			}
-			b := []byte(*s)
-			return json.Unmarshal(b, target)
-		}
-		return gorp.CustomScanner{Holder: new(string), Target: target, Binder: binder}, true
-	case *model.StringArray:
-		binder := func(holder, target interface{}) error {
-			s, ok := holder.(*string)
-			if !ok {
-				return errors.New(utils.T("store.sql.convert_string_array"))
-			}
-			b := []byte(*s)
-			return json.Unmarshal(b, target)
-		}
-		return gorp.CustomScanner{Holder: new(string), Target: target, Binder: binder}, true
-	case *model.StringInterface:
-		binder := func(holder, target interface{}) error {
-			s, ok := holder.(*string)
-			if !ok {
-				return errors.New(utils.T("store.sql.convert_string_interface"))
-			}
-			b := []byte(*s)
-			return json.Unmarshal(b, target)
-		}
-		return gorp.CustomScanner{Holder: new(string), Target: target, Binder: binder}, true
-	case *map[string]interface{}:
-		binder := func(holder, target interface{}) error {
-			s, ok := holder.(*string)
-			if !ok {
-				return errors.New(utils.T("store.sql.convert_string_interface"))
-			}
-			b := []byte(*s)
-			return json.Unmarshal(b, target)
-		}
-		return gorp.CustomScanner{Holder: new(string), Target: target, Binder: binder}, true
-	}
-
-	return gorp.CustomScanner{}, false
-}
-
-func convertMySQLFullTextColumnsToPostgres(columnNames string) string {
-	columns := strings.Split(columnNames, ", ")
-	concatenatedColumnNames := ""
-	for i, c := range columns {
-		concatenatedColumnNames += c
-		if i < len(columns)-1 {
-			concatenatedColumnNames += " || ' ' || "
-		}
-	}
-
-	return concatenatedColumnNames
-}