Refactor `setting.Database.UseXXX` to methods (#23354)

Replace #23350.

Refactor `setting.Database.UseMySQL` to
`setting.Database.Type.IsMySQL()`.

To avoid mismatching between `Type` and `UseXXX`.

This refactor can fix the bug mentioned in #23350, so it should be
backported.

4 files changed, 6 insertions, 6 deletions

diff --git a/models/db/common.go b/models/db/common.go
index 76c7c119f4..af6130c9f2 100644
--- a/models/db/common.go
+++ b/models/db/common.go
@@ -15,7 +15,7 @@ import (
 // BuildCaseInsensitiveLike returns a condition to check if the given value is like the given key case-insensitively.
 // Handles especially SQLite correctly as UPPER there only transforms ASCII letters.
 func BuildCaseInsensitiveLike(key, value string) builder.Cond {
-	if setting.Database.UseSQLite3 {
+	if setting.Database.Type.IsSQLite3() {
 		return builder.Like{"UPPER(" + key + ")", util.ToUpperASCII(value)}
 	}
 	return builder.Like{"UPPER(" + key + ")", strings.ToUpper(value)}
diff --git a/models/db/engine.go b/models/db/engine.go
index 5020101d49..56dd209fd7 100755
--- a/models/db/engine.go
+++ b/models/db/engine.go
@@ -101,12 +101,12 @@ func newXORMEngine() (*xorm.Engine, error) {
 
 	var engine *xorm.Engine
 
-	if setting.Database.UsePostgreSQL && len(setting.Database.Schema) > 0 {
+	if setting.Database.Type.IsPostgreSQL() && len(setting.Database.Schema) > 0 {
 		// OK whilst we sort out our schema issues - create a schema aware postgres
 		registerPostgresSchemaDriver()
 		engine, err = xorm.NewEngine("postgresschema", connStr)
 	} else {
-		engine, err = xorm.NewEngine(setting.Database.Type, connStr)
+		engine, err = xorm.NewEngine(setting.Database.Type.String(), connStr)
 	}
 
 	if err != nil {
diff --git a/models/db/index.go b/models/db/index.go
index f840a62c89..7609d8fb6e 100644
--- a/models/db/index.go
+++ b/models/db/index.go
@@ -73,7 +73,7 @@ func postgresGetNextResourceIndex(ctx context.Context, tableName string, groupID
 
 // GetNextResourceIndex generates a resource index, it must run in the same transaction where the resource is created
 func GetNextResourceIndex(ctx context.Context, tableName string, groupID int64) (int64, error) {
-	if setting.Database.UsePostgreSQL {
+	if setting.Database.Type.IsPostgreSQL() {
 		return postgresGetNextResourceIndex(ctx, tableName, groupID)
 	}
 
diff --git a/models/db/sequence.go b/models/db/sequence.go
index 6d801d022f..f49ad935de 100644
--- a/models/db/sequence.go
+++ b/models/db/sequence.go
@@ -13,7 +13,7 @@ import (
 
 // CountBadSequences looks for broken sequences from recreate-table mistakes
 func CountBadSequences(_ context.Context) (int64, error) {
-	if !setting.Database.UsePostgreSQL {
+	if !setting.Database.Type.IsPostgreSQL() {
 		return 0, nil
 	}
 
@@ -34,7 +34,7 @@ func CountBadSequences(_ context.Context) (int64, error) {
 
 // FixBadSequences fixes for broken sequences from recreate-table mistakes
 func FixBadSequences(_ context.Context) error {
-	if !setting.Database.UsePostgreSQL {
+	if !setting.Database.Type.IsPostgreSQL() {
 		return nil
 	}