Examples with IntrinsicModel com.questdb.griffin.lexer.model.IntrinsicModel used on opensource projects

Example 86 with IntrinsicModel

use of com.questdb.griffin.lexer.model.IntrinsicModel in project questdb by bluestreak01.

the class QueryFilterAnalyser method extract.

IntrinsicModel extract(AliasTranslator translator, ExprNode node, RecordMetadata m, String preferredKeyColumn, int timestampIndex) throws ParserException {
    reset();
    this.timestamp = timestampIndex < 0 ? null : m.getColumnName(timestampIndex);
    this.preferredKeyColumn = preferredKeyColumn;
    IntrinsicModel model = models.next();
    if (removeAndIntrinsics(translator, model, node, m)) {
        return model;
    }
    ExprNode root = node;
    while (!stack.isEmpty() || node != null) {
        if (node != null) {
            if (Chars.equals("and", node.token)) {
                if (!removeAndIntrinsics(translator, model, node.rhs, m)) {
                    stack.push(node.rhs);
                }
                node = removeAndIntrinsics(translator, model, node.lhs, m) ? null : node.lhs;
            } else {
                node = stack.poll();
            }
        } else {
            node = stack.poll();
        }
    }
    applyKeyExclusions(translator, model);
    model.filter = collapseIntrinsicNodes(root);
    return model;
}