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diff --git a/migrations/drivers.go b/migrations/drivers.go
index 91bc68d..be99439 100644
--- a/migrations/drivers.go
+++ b/migrations/drivers.go
@@ -1,253 +1,253 @@
/*
* Copyright © 2019 Musing Studio LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package migrations
import (
"fmt"
)
// TODO: use now() from writefreely pkg
func (db *datastore) now() string {
switch db.driverName {
case driverSQLite:
return "strftime('%Y-%m-%d %H:%M:%S','now')"
case driverMySQL:
return "NOW()"
case driverPostgres:
return "NOW()"
}
return "" // placeholder
}
func (db *datastore) typeInt() string {
switch db.driverName {
case driverSQLite:
return "INTEGER"
case driverMySQL:
return "INT"
case driverPostgres:
return "INT"
}
return "" // placeholder
}
func (db *datastore) typeSmallInt() string {
switch db.driverName {
case driverSQLite:
return "INTEGER"
case driverMySQL:
return "SMALLINT"
case driverPostgres:
return "SMALLINT"
}
return "" // placeholder
}
func (db *datastore) typeTinyInt() string {
switch db.driverName {
case driverSQLite:
return "INTEGER"
case driverMySQL:
return "TINYINT"
case driverPostgres:
return "SMALLINT"
}
return "" // placeholder
}
func (db *datastore) typeText() string {
return "TEXT"
}
func (db *datastore) typeChar(l int) string {
switch db.driverName {
case driverSQLite:
return "TEXT"
case driverMySQL:
return fmt.Sprintf("CHAR(%d)", l)
case driverPostgres:
return fmt.Sprintf("CHAR(%d)", l)
}
return "" // placeholder
}
func (db *datastore) typeVarChar(l int) string {
switch db.driverName {
case driverSQLite:
return "TEXT"
case driverMySQL:
return fmt.Sprintf("VARCHAR(%d)", l)
case driverPostgres:
return fmt.Sprintf("VARCHAR(%d)", l)
}
return "" // placeholder
}
func (db *datastore) typeVarBinary(l int) string {
switch db.driverName {
case driverSQLite:
return "BLOB"
case driverMySQL:
return fmt.Sprintf("VARBINARY(%d)", l)
case driverPostgres:
return "BYTEA"
}
return "" // placeholder
}
func (db *datastore) typeBool() string {
switch db.driverName {
case driverSQLite:
return "INTEGER"
case driverMySQL:
return "TINYINT(1)"
case driverPostgres:
return "BOOLEAN"
}
return "" // placeholder
}
func (db *datastore) typeDateTime() string {
switch db.driverName {
case driverSQLite:
return "DATETIME"
case driverMySQL:
return "DATETIME"
case driverPostgres:
return "TIMESTAMP"
}
return "" // placeholder
}
func (db *datastore) typeIntPrimaryKey() string {
switch db.driverName {
case driverSQLite:
// From docs: "In SQLite, a column with type INTEGER PRIMARY KEY is an alias for the ROWID (except in WITHOUT
// ROWID tables) which is always a 64-bit signed integer."
return "INTEGER PRIMARY KEY"
case driverMySQL:
return "INT AUTO_INCREMENT PRIMARY KEY"
case driverPostgres:
- return "SERIAL PRIMARY KEY"
+ return "INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY"
}
return "" // placeholder
}
func (db *datastore) collateMultiByte() string {
switch db.driverName {
case driverSQLite:
return ""
case driverMySQL:
return " COLLATE utf8_bin"
case driverPostgres:
return ""
}
return "" // placeholder
}
func (db *datastore) engine() string {
switch db.driverName {
case driverSQLite:
return ""
case driverMySQL:
return " ENGINE = InnoDB"
case driverPostgres:
return ""
}
return "" // placeholder
}
func (db *datastore) after(colName string) string {
switch db.driverName {
case driverSQLite:
return ""
case driverMySQL:
return fmt.Sprintf(" AFTER %s", colName)
case driverPostgres:
return ""
}
return "" // placeholder
}
func (db *datastore) boolTrue() string {
switch db.driverName {
case driverSQLite:
return "1"
case driverMySQL:
return "1"
case driverPostgres:
return "TRUE"
}
return "" // placeholder
}
func (db *datastore) boolFalse() string {
switch db.driverName {
case driverSQLite:
return "0"
case driverMySQL:
return "0"
case driverPostgres:
return "FALSE"
}
return "" // placeholder
}
func (db *datastore) limit(offset int, size int) string {
switch db.driverName {
case driverSQLite, driverMySQL:
return fmt.Sprintf(" LIMIT %d, %d", offset, size)
case driverPostgres:
return fmt.Sprintf(" LIMIT %d OFFSET %d", size, offset)
}
return "" // placeholder
}
func (db *datastore) QueryWrap(q string) string {
if db.driverName != driverPostgres {
return q
}
output := ""
escape := false
ctr := 0
for i := range len(q) {
if q[i] == '\'' || q[i] == '`' {
escape = !escape
}
if q[i] == '?' && !escape {
ctr += 1
output += fmt.Sprintf("$%d", ctr)
} else {
output += string(q[i])
}
}
return output
}
\ No newline at end of file

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