76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
package main
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import (
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"database/sql"
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)
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type migration struct {
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up string
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down string
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}
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var migrations = []migration{
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migration{
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up: `CREATE TABLE IF NOT EXISTS configs (
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key string NOT NULL,
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value string NOT NULL
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);
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CREATE UNIQUE INDEX IF NOT EXISTS unique_configs_key ON configs (key);
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`,
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down: `DROP TABLE IF EXISTS configs`,
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},
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migration{
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up: `CREATE TABLE IF NOT EXISTS peers (
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mhash string NOT NULL,
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status string NOT NULL
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);
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CREATE UNIQUE INDEX IF NOT EXISTS unique_peers_mhash ON peers (mhash);
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`,
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down: `DROP TABLE IF EXISTS peers`,
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},
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migration{
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up: `CREATE TABLE IF NOT EXISTS messages (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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author string NOT NULL,
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depth int NOT NULL,
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kind string NOT NULL,
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lipmaa string NOT NULL,
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prev string NOT NULL,
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signature string NOT NULL,
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mhash string NOT NULL
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);
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`,
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down: `DROP TABLE IF EXISTS messages`,
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},
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migration{
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up: `CREATE TABLE IF NOT EXISTS body_items (
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parent int NOT NULL,
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key string NOT NULL,
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value string NOT NULL,
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rank int NOT NULL,
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FOREIGN KEY(parent) REFERENCES messages(id)
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);
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`,
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down: `DROP TABLE IF EXISTS body_items`,
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},
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}
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func migrateUp(db *sql.DB) {
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tx, err := db.Begin()
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if err != nil {
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panicf("Failed to start transaction: %s", err)
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}
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for i, migration := range migrations {
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_, err := tx.Exec(migration.up)
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if err != nil {
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panicf("Migration failure(%d): %s", i, err)
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}
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}
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if tx.Commit() != nil {
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panic(err)
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}
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}
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