Adding migrations
continuous-integration/drone/push Build is passing
Details
continuous-integration/drone/push Build is passing
Details
parent
62f9656e19
commit
8522dbae20
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package database
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import (
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"context"
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"log/slog"
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"time"
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"git.runcible.io/learning/pulley/internal/config"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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// https://medium.com/@neelkanthsingh.jr/understanding-database-connection-pools-and-the-pgx-library-in-go-3087f3c5a0c
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// pgxpool.New implicitly creates a dbConfig from the database uri params which can include connection params
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// newPgxConfig creates a pgxpool Config from the application service config
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// func newPgxConfig(cfg config.ServiceConfig) (pgxpool.Config, error) {
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// dbconfig, err := pgxpool.ParseConfig(cfg.DatabaseUri)
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// }
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// OpenPgPool creates a db pool and tests connectivity
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func OpenPgPool(ctx context.Context, cfg config.ServiceConfig) (*pgxpool.Pool, error) {
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pool, err := pgxpool.New(ctx, cfg.DatabaseUri)
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if err != nil {
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return nil, err
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}
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timoutCtx, close := context.WithTimeout(ctx, 5*time.Second)
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defer close()
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if err := pool.Ping(timoutCtx); err != nil {
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slog.Error("Error in attempting first postgres database connection")
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pool.Close()
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return nil, err
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}
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return pool, nil
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}
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DROP TABLE IF EXISTS movies;
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CREATE TABLE IF NOT EXISTS movies (
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id bigserial PRIMARY KEY,
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created_at timestamp(0) with time zone NOT NULL DEFAULT NOW(),
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title text NOT NULL,
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year integer NOT NULL,
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runtime integer NOT NULL,
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genres text[] NOT NULL,
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version integer NOT NULL DEFAULT 1
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);
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@ -0,0 +1,41 @@
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package migrations
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import (
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"database/sql"
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"embed"
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"github.com/golang-migrate/migrate/v4"
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"github.com/golang-migrate/migrate/v4/database/pgx/v5"
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"github.com/golang-migrate/migrate/v4/source/iofs"
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)
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//go:embed *.sql
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var migrationFiles embed.FS
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func Migrate(db *sql.DB) error {
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//create database driver
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driver, err := pgx.WithInstance(db, &pgx.Config{})
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if err != nil {
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}
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// Create IFS source from embedded files
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source, err := iofs.New(migrationFiles, ".")
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if err != nil {
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return err
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}
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//creat new migrations instance
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m, err := migrate.NewWithInstance("iofs", source, "pgx", driver)
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if err != nil {
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return err
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}
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// Run Migrations
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if err := m.Up(); err != nil && err != migrate.ErrNoChange {
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return err
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}
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return nil
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}
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