public static Map<String, String> getProps(ASTNode prop) {
    // Must be deterministic order map for consistent q-test output across Java versions
    Map<String, String> mapProp = new LinkedHashMap<>();
    readProps(prop, mapProp);
    return mapProp;
  }
Remove the encapsulating "`" pair from the identifier. We allow users to
use "`" to escape identifier for table names, column names and aliases, in
case that coincide with Hive language keywords.
ql/src/java/org/apache/hadoop/hive/ql/parse/BaseSemanticAnalyzer.java