docs: public void updatePostMetaValue(final long postId, final String metaKey, final String metaValue) throws SQLException {
  
        Meta currMeta = selectPostMetaValue(postId, metaKey);
        if(currMeta == null) {
           Connection conn = null;
           PreparedStatement stmt = null;
           Timer.Context ctx = metrics.setPostMetaTimer.time();
           try {
              conn = connectionSupplier.getConnection();
              stmt = conn.prepareStatement(insertPostMetaSQL);
              stmt.setLong(1, postId);
              stmt.setString(2, metaKey);
              stmt.setString(3, metaValue);
              stmt.executeUpdate();
           } finally {
              ctx.stop();
              SQLUtil.closeQuietly(conn, stmt);
           }
        } else {
           Connection conn = null;
           PreparedStatement stmt = null;
           Timer.Context ctx = metrics.setPostMetaTimer.time();
           try {
              conn = connectionSupplier.getConnection();
              stmt = conn.prepareStatement(updatePostMetaValueSQL);
              stmt.setString(1, metaValue);
              stmt.setString(2, metaKey);
              stmt.setLong(3, postId);
              stmt.executeUpdate();
           } finally {
              ctx.stop();
              SQLUtil.closeQuietly(conn, stmt);
           }
        }
     }