diff --git a/weed/filer/mysql/mysql_sql_gen.go b/weed/filer/mysql/mysql_sql_gen.go
index 2f86a5798..105f3e62a 100644
--- a/weed/filer/mysql/mysql_sql_gen.go
+++ b/weed/filer/mysql/mysql_sql_gen.go
@@ -2,6 +2,7 @@ package mysql
 
 import (
 	"fmt"
+
 	"github.com/chrislusf/seaweedfs/weed/filer/abstract_sql"
 	_ "github.com/go-sql-driver/mysql"
 )
@@ -9,6 +10,7 @@ import (
 type SqlGenMysql struct {
 	CreateTableSqlTemplate string
 	DropTableSqlTemplate   string
+	InsertQueryTemplate    string
 }
 
 var (
@@ -16,7 +18,11 @@ var (
 )
 
 func (gen *SqlGenMysql) GetSqlInsert(tableName string) string {
-	return fmt.Sprintf("INSERT INTO `%s` (dirhash,name,directory,meta) VALUES(?,?,?,?)", tableName)
+	if gen.InsertQueryTemplate != "" {
+		return fmt.Sprintf(gen.InsertQueryTemplate, tableName)
+	} else {
+		return fmt.Sprintf("INSERT INTO `%s` (dirhash,name,directory,meta) VALUES(?,?,?,?)", tableName)
+	}
 }
 
 func (gen *SqlGenMysql) GetSqlUpdate(tableName string) string {
diff --git a/weed/filer/mysql/mysql_store.go b/weed/filer/mysql/mysql_store.go
index 501ab1d39..4b73faacf 100644
--- a/weed/filer/mysql/mysql_store.go
+++ b/weed/filer/mysql/mysql_store.go
@@ -3,9 +3,10 @@ package mysql
 import (
 	"database/sql"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/filer"
 	"time"
 
+	"github.com/chrislusf/seaweedfs/weed/filer"
+
 	"github.com/chrislusf/seaweedfs/weed/filer/abstract_sql"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	_ "github.com/go-sql-driver/mysql"
@@ -29,6 +30,7 @@ func (store *MysqlStore) GetName() string {
 
 func (store *MysqlStore) Initialize(configuration util.Configuration, prefix string) (err error) {
 	return store.initialize(
+		configuration.GetString(prefix+"insertQuery"),
 		configuration.GetString(prefix+"username"),
 		configuration.GetString(prefix+"password"),
 		configuration.GetString(prefix+"hostname"),
@@ -41,13 +43,14 @@ func (store *MysqlStore) Initialize(configuration util.Configuration, prefix str
 	)
 }
 
-func (store *MysqlStore) initialize(user, password, hostname string, port int, database string, maxIdle, maxOpen,
+func (store *MysqlStore) initialize(insertQuery, user, password, hostname string, port int, database string, maxIdle, maxOpen,
 	maxLifetimeSeconds int, interpolateParams bool) (err error) {
 
 	store.SupportBucketTable = false
 	store.SqlGenerator = &SqlGenMysql{
 		CreateTableSqlTemplate: "",
 		DropTableSqlTemplate:   "drop table `%s`",
+		InsertQueryTemplate:    insertQuery,
 	}
 
 	sqlUrl := fmt.Sprintf(CONNECTION_URL_PATTERN, user, password, hostname, port, database)
diff --git a/weed/filer/mysql2/mysql2_store.go b/weed/filer/mysql2/mysql2_store.go
index c796cd6aa..3c51f9363 100644
--- a/weed/filer/mysql2/mysql2_store.go
+++ b/weed/filer/mysql2/mysql2_store.go
@@ -32,6 +32,7 @@ func (store *MysqlStore2) GetName() string {
 func (store *MysqlStore2) Initialize(configuration util.Configuration, prefix string) (err error) {
 	return store.initialize(
 		configuration.GetString(prefix+"createTable"),
+		configuration.GetString(prefix+"insertQuery"),
 		configuration.GetString(prefix+"username"),
 		configuration.GetString(prefix+"password"),
 		configuration.GetString(prefix+"hostname"),
@@ -44,13 +45,14 @@ func (store *MysqlStore2) Initialize(configuration util.Configuration, prefix st
 	)
 }
 
-func (store *MysqlStore2) initialize(createTable, user, password, hostname string, port int, database string, maxIdle, maxOpen,
+func (store *MysqlStore2) initialize(createTable, insertQuery, user, password, hostname string, port int, database string, maxIdle, maxOpen,
 	maxLifetimeSeconds int, interpolateParams bool) (err error) {
 
 	store.SupportBucketTable = true
 	store.SqlGenerator = &mysql.SqlGenMysql{
 		CreateTableSqlTemplate: createTable,
 		DropTableSqlTemplate:   "drop table `%s`",
+		InsertQueryTemplate:    insertQuery,
 	}
 
 	sqlUrl := fmt.Sprintf(CONNECTION_URL_PATTERN, user, password, hostname, port, database)
diff --git a/weed/filer/postgres/postgres_sql_gen.go b/weed/filer/postgres/postgres_sql_gen.go
index 0d1c343c5..21a87ef5a 100644
--- a/weed/filer/postgres/postgres_sql_gen.go
+++ b/weed/filer/postgres/postgres_sql_gen.go
@@ -10,6 +10,7 @@ import (
 type SqlGenPostgres struct {
 	CreateTableSqlTemplate string
 	DropTableSqlTemplate   string
+	InsertQueryTemplate    string
 }
 
 var (
@@ -17,7 +18,11 @@ var (
 )
 
 func (gen *SqlGenPostgres) GetSqlInsert(tableName string) string {
-	return fmt.Sprintf(`INSERT INTO "%s" (dirhash,name,directory,meta) VALUES($1,$2,$3,$4)`, tableName)
+	if gen.InsertQueryTemplate != "" {
+		return fmt.Sprintf(gen.InsertQueryTemplate, tableName)
+	} else {
+		return fmt.Sprintf(`INSERT INTO "%s" (dirhash,name,directory,meta) VALUES($1,$2,$3,$4)`, tableName)
+	}
 }
 
 func (gen *SqlGenPostgres) GetSqlUpdate(tableName string) string {
diff --git a/weed/filer/postgres/postgres_store.go b/weed/filer/postgres/postgres_store.go
index 9e4ff7c32..ea9b1c71e 100644
--- a/weed/filer/postgres/postgres_store.go
+++ b/weed/filer/postgres/postgres_store.go
@@ -29,6 +29,7 @@ func (store *PostgresStore) GetName() string {
 
 func (store *PostgresStore) Initialize(configuration util.Configuration, prefix string) (err error) {
 	return store.initialize(
+		configuration.GetString(prefix+"insertQuery"),
 		configuration.GetString(prefix+"username"),
 		configuration.GetString(prefix+"password"),
 		configuration.GetString(prefix+"hostname"),
@@ -42,12 +43,13 @@ func (store *PostgresStore) Initialize(configuration util.Configuration, prefix
 	)
 }
 
-func (store *PostgresStore) initialize(user, password, hostname string, port int, database, schema, sslmode string, maxIdle, maxOpen, maxLifetimeSeconds int) (err error) {
+func (store *PostgresStore) initialize(insertQuery, user, password, hostname string, port int, database, schema, sslmode string, maxIdle, maxOpen, maxLifetimeSeconds int) (err error) {
 
 	store.SupportBucketTable = false
 	store.SqlGenerator = &SqlGenPostgres{
 		CreateTableSqlTemplate: "",
 		DropTableSqlTemplate:   `drop table "%s"`,
+		InsertQueryTemplate:    insertQuery,
 	}
 
 	sqlUrl := fmt.Sprintf(CONNECTION_URL_PATTERN, hostname, port, sslmode)
diff --git a/weed/filer/postgres2/postgres2_store.go b/weed/filer/postgres2/postgres2_store.go
index 92893bf7a..b83945db6 100644
--- a/weed/filer/postgres2/postgres2_store.go
+++ b/weed/filer/postgres2/postgres2_store.go
@@ -32,6 +32,7 @@ func (store *PostgresStore2) GetName() string {
 func (store *PostgresStore2) Initialize(configuration util.Configuration, prefix string) (err error) {
 	return store.initialize(
 		configuration.GetString(prefix+"createTable"),
+		configuration.GetString(prefix+"insertQuery"),
 		configuration.GetString(prefix+"username"),
 		configuration.GetString(prefix+"password"),
 		configuration.GetString(prefix+"hostname"),
@@ -45,12 +46,13 @@ func (store *PostgresStore2) Initialize(configuration util.Configuration, prefix
 	)
 }
 
-func (store *PostgresStore2) initialize(createTable, user, password, hostname string, port int, database, schema, sslmode string, maxIdle, maxOpen, maxLifetimeSeconds int) (err error) {
+func (store *PostgresStore2) initialize(createTable, insertQuery, user, password, hostname string, port int, database, schema, sslmode string, maxIdle, maxOpen, maxLifetimeSeconds int) (err error) {
 
 	store.SupportBucketTable = true
 	store.SqlGenerator = &postgres.SqlGenPostgres{
 		CreateTableSqlTemplate: createTable,
 		DropTableSqlTemplate:   `drop table "%s"`,
+		InsertQueryTemplate:    insertQuery,
 	}
 
 	sqlUrl := fmt.Sprintf(CONNECTION_URL_PATTERN, hostname, port, sslmode)