Examples with OuterJoinToken org.eclipse.scout.rt.server.jdbc.parsers.sql.SqlParserToken.OuterJoinToken used on opensource projects

Example 1 with OuterJoinToken

use of org.eclipse.scout.rt.server.jdbc.parsers.sql.SqlParserToken.OuterJoinToken in project scout.rt by eclipse.

the class SqlParser method parseAtom.

private Atom parseAtom(List<IToken> list, ParseContext ctx) {
    // (BracketExpr Outer | Statement | OrExpr | FunExpr | Name | Text | BinaryOp['*']) (OuterJoinToken)? (Name["AS"])? (Name[alias])?
    ParseStep lock = ctx.checkAndAdd("Atom", list);
    if (lock == null) {
        return null;
    }
    try {
        IToken t = null;
        if ((t = parseBracketExpr(list, ctx)) != null) {
        // ok
        } else if ((t = parseStatement(list, ctx)) != null) {
        // ok
        } else if ((t = parseOrExpr(list, ctx)) != null) {
        // ok
        } else if ((t = parseFunExpr(list, ctx)) != null) {
        // ok
        } else if ((t = removeToken(list, Name.class)) != null) {
        // ok
        } else if ((t = removeToken(list, Text.class)) != null) {
        // ok
        } else if ((t = removeToken(list, MathOp.class, "*")) != null) {
        // ok
        } else {
            return null;
        }
        // found a match
        Atom a = new Atom();
        a.addChild(t);
        if ((t = removeToken(list, OuterJoinToken.class)) != null) {
            a.addChild(t);
        }
        if ((t = removeToken(list, Name.class)) != null) {
            a.addChild(t);
        }
        return a;
    } finally {
        ctx.remove(lock);
    }
}