private void parseHierachical(OracleSelectQueryBlock queryBlock) {
OracleSelectHierachicalQueryClause hierachical = null;
if (lexer.token() == Token.CONNECT) {
hierachical = new OracleSelectHierachicalQueryClause();
lexer.nextToken();
accept(Token.BY);
if (lexer.token() == Token.PRIOR) {
lexer.nextToken();
hierachical.setPrior(true);
}
if (identifierEquals("NOCYCLE")) {
hierachical.setNoCycle(true);
}
hierachical.setConnectBy(this.createExprParser().expr());
}
if (lexer.token() == Token.START) {
lexer.nextToken();
if (hierachical == null) {
hierachical = new OracleSelectHierachicalQueryClause();
}
accept(Token.WITH);
hierachical.setStartWith(this.createExprParser().expr());
}
if (lexer.token() == Token.CONNECT) {
if (hierachical == null) {
hierachical = new OracleSelectHierachicalQueryClause();
}
lexer.nextToken();
accept(Token.BY);
if (lexer.token() == Token.PRIOR) {
lexer.nextToken();
hierachical.setPrior(true);
}
if (identifierEquals("NOCYCLE")) {
hierachical.setNoCycle(true);
}
hierachical.setConnectBy(this.createExprParser().expr());
}
if (hierachical != null) {
queryBlock.setHierachicalQueryClause(hierachical);
}
}
