feat: add automatic id to each row

backend/molgenis-emx2-sql/src/main/java/org/molgenis/emx2/sql/SqlSchemaMetadataExecutor.java

@@ -1,6 +1,7 @@
 package org.molgenis.emx2.sql;
 
 import static org.jooq.impl.DSL.name;
+import static org.molgenis.emx2.Constants.MG_ID;
 import static org.molgenis.emx2.Privileges.*;
 import static org.molgenis.emx2.sql.SqlTableMetadataExecutor.executeDropTable;
 
@@ -71,6 +72,13 @@ static void executeCreateSchema(SqlDatabase db, SchemaMetadata schema) {
         .execute("GRANT USAGE ON SCHEMA {0} TO {1}", name(schema.getName()), name(aggregator));
     db.getJooq().execute("GRANT ALL ON SCHEMA {0} TO {1}", name(schema.getName()), name(manager));
 
+    // create autoid sequence
+    db.getJooq()
+        .execute(
+            "CREATE SEQUENCE IF NOT EXISTS {0} AS bigint INCREMENT BY 9 START 59049 CACHE 1000 NO CYCLE",
+            name(schemaName, MG_ID));
+    db.getJooq().execute("GRANT USAGE ON {0} TO {1}", name(schemaName, MG_ID), name(editor));
+
     MetadataUtils.saveSchemaMetadata(db.getJooq(), schema);
   }
 
@@ -218,6 +226,9 @@ static void executeDropSchema(SqlDatabase db, String schemaName) {
       Collections.reverse(tables);
       tables.forEach(table -> executeDropTable(db.getJooq(), table.getMetadata()));
 
+      // drop sequence
+      db.getJooq().dropSequence(name(schemaName, MG_ID));
+
       // drop schema
       db.getJooq().dropSchema(name(schemaName)).execute();
 

backend/molgenis-emx2-sql/src/main/java/org/molgenis/emx2/sql/SqlTableMetadataExecutor.java

@@ -29,7 +29,11 @@ static void executeCreateTable(DSLContext jooq, SqlTableMetadata table) {
 
     // create the table
     Table jooqTable = table.getJooqTable();
-    jooq.execute("CREATE TABLE {0}()", jooqTable);
+    jooq.execute(
+        "CREATE TABLE {0}(mg_id BIGINT DEFAULT nextval('\""
+            + table.getSchemaName()
+            + "\".mg_id') PRIMARY KEY)",
+        jooqTable);
     MetadataUtils.saveTableMetadata(jooq, table);
 
     // grant rights to schema manager, editor and viewer role

backend/molgenis-emx2/src/main/java/org/molgenis/emx2/Constants.java

@@ -103,6 +103,7 @@ public class Constants {
 
   public static final String CONTACT_RECIPIENTS_QUERY_SETTING_KEY = "contactRecipientsQuery";
   public static final String CONTACT_BCC_ADDRESS = "contactBccAddress";
+  public static final String MG_ID = "mg_id";
 
   private Constants() {
     // hide constructor