Validate db schema before startup

scnserver/cmd/dbhash/main.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"blackforestbytes.com/simplecloudnotifier/db/schema"
+	"context"
+	"fmt"
+	"github.com/mattn/go-sqlite3"
+	"gogs.mikescher.com/BlackForestBytes/goext/sq"
+	"time"
+)
+
+func main() {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	sqlite3.Version() // ensure slite3 loaded
+
+	{
+		h0, err := sq.HashSqliteSchema(ctx, schema.PrimarySchema1)
+		if err != nil {
+			h0 = "ERR"
+		}
+		fmt.Printf("PrimarySchema1  := %s\n", h0)
+	}
+	{
+		h0, err := sq.HashSqliteSchema(ctx, schema.PrimarySchema2)
+		if err != nil {
+			h0 = "ERR"
+		}
+		fmt.Printf("PrimarySchema2  := %s\n", h0)
+	}
+	{
+		h0, err := sq.HashSqliteSchema(ctx, schema.PrimarySchema3)
+		if err != nil {
+			h0 = "ERR"
+		}
+		fmt.Printf("PrimarySchema3  := %s\n", h0)
+	}
+	{
+		h0, err := sq.HashSqliteSchema(ctx, schema.RequestsSchema1)
+		if err != nil {
+			h0 = "ERR"
+		}
+		fmt.Printf("RequestsSchema1 := %s\n", h0)
+	}
+	{
+		h0, err := sq.HashSqliteSchema(ctx, schema.LogsSchema1)
+		if err != nil {
+			h0 = "ERR"
+		}
+		fmt.Printf("LogsSchema1     := %s\n", h0)
+	}
+}