Update meta table

sql/v01/10.create.sql

@@ -2,9 +2,15 @@
 PRAGMA foreign_keys = ON;
 
 CREATE TABLE meta (
-    version INTEGER NOT NULL DEFAULT 1
+    name  TEXT NOT NULL CHECK (name REGEXP '^[a-z_]+$'),
+    value TEXT NOT NULL,
+
+    CONSTRAINT pk_meta PRIMARY KEY (name)
 ) STRICT;
 
+INSERT INTO meta (name, value)
+VALUES ('schema_version', '1');
+
 CREATE TABLE client_parameter (
     param TEXT NOT NULL CHECK (param REGEXP '^[A-Z_]+$'),
     value TEXT,