Examples with Merge org.jooq.Merge used on opensource projects

Example 1 with Merge

use of org.jooq.Merge in project jOOQ by jOOQ.

the class DefaultParseContext method parseTableFactor.

private final Table<?> parseTableFactor(BooleanSupplier forbiddenKeywords) {
    // [#7982] Postpone turning Select into a Table in case there is an alias
    TableLike<?> result;
    // TODO ONLY ( table primary )
    if (parseFunctionNameIf("OLD TABLE")) {
        parse('(');
        Query query = parseQuery(false, false);
        parse(')');
        if (query instanceof Merge)
            result = oldTable((Merge<?>) query);
        else if (query instanceof Update)
            result = oldTable((Update<?>) query);
        else if (query instanceof Delete)
            result = oldTable((Delete<?>) query);
        else
            throw expected("UPDATE", "DELETE", "MERGE");
    } else if (parseFunctionNameIf("NEW TABLE")) {
        parse('(');
        Query query = parseQuery(false, false);
        parse(')');
        if (query instanceof Merge)
            result = newTable((Merge<?>) query);
        else if (query instanceof Insert)
            result = newTable((Insert<?>) query);
        else if (query instanceof Update)
            result = newTable((Update<?>) query);
        else
            throw expected("INSERT", "UPDATE", "MERGE");
    } else if (parseFunctionNameIf("FINAL TABLE")) {
        parse('(');
        Query query = parseQuery(false, false);
        parse(')');
        if (query instanceof Merge)
            result = finalTable((Merge<?>) query);
        else if (query instanceof Insert)
            result = finalTable((Insert<?>) query);
        else if (query instanceof Update)
            result = finalTable((Update<?>) query);
        else
            throw expected("INSERT", "UPDATE", "MERGE");
    } else if (parseFunctionNameIf("UNNEST", "TABLE")) {
        parse('(');
        if (parseFunctionNameIf("GENERATOR")) {
            parse('(');
            Field<?> tl = parseFunctionArgumentIf("TIMELIMIT");
            Field<?> rc = parseFunctionArgumentIf("ROWCOUNT");
            if (tl == null)
                tl = parseFunctionArgumentIf("TIMELIMIT");
            parse(')');
            result = generateSeries(one(), (Field<Integer>) rc);
        } else {
            Field<?> f = parseField();
            // Work around a missing feature in unnest()
            if (!f.getType().isArray())
                f = f.coerce(f.getDataType().getArrayDataType());
            result = unnest(f);
        }
        parse(')');
    } else if (parseFunctionNameIf("GENERATE_SERIES", "SYSTEM_RANGE")) {
        parse('(');
        Field from = toField(parseConcat());
        parse(',');
        Field to = toField(parseConcat());
        Field step = parseIf(',') ? toField(parseConcat()) : null;
        parse(')');
        result = step == null ? generateSeries(from, to) : generateSeries(from, to, step);
    } else if (parseFunctionNameIf("JSON_TABLE")) {
        parse('(');
        Field json = parseField();
        parse(',');
        Field path = toField(parseConcat());
        JSONTableColumnsStep s1 = (JSONTableColumnsStep) jsonTable(json, path);
        parseKeyword("COLUMNS");
        parse('(');
        do {
            Name fieldName = parseIdentifier();
            if (parseKeywordIf("FOR ORDINALITY")) {
                s1 = s1.column(fieldName).forOrdinality();
            } else {
                JSONTableColumnPathStep s2 = s1.column(fieldName, parseDataType());
                s1 = parseKeywordIf("PATH") ? s2.path(parseStringLiteral()) : s2;
            }
        } while (parseIf(','));
        parse(')');
        parse(')');
        result = s1;
    } else if (peekFunctionNameIf("VALUES")) {
        result = parseTableValueConstructor();
    } else if (parseFunctionNameIf("XMLTABLE")) {
        parse('(');
        XMLTablePassingStep s1 = xmltable((Field) toField(parseConcat()));
        XMLPassingMechanism m = parseXMLPassingMechanismIf();
        Field<XML> passing = m == null ? null : (Field<XML>) parseField();
        XMLTableColumnsStep s2 = (XMLTableColumnsStep) (m == BY_REF ? s1.passingByRef(passing) : m == BY_VALUE ? s1.passingByValue(passing) : m == XMLPassingMechanism.DEFAULT ? s1.passing(passing) : s1);
        parseKeyword("COLUMNS");
        do {
            Name fieldName = parseIdentifier();
            if (parseKeywordIf("FOR ORDINALITY")) {
                s2 = s2.column(fieldName).forOrdinality();
            } else {
                XMLTableColumnPathStep s3 = s2.column(fieldName, parseDataType());
                s2 = parseKeywordIf("PATH") ? s3.path(parseStringLiteral()) : s3;
            }
        } while (parseIf(','));
        parse(')');
        result = s2;
    } else if (parseIf('(')) {
        // - A combination of the above:          E.g. ((a join (select 1) on p) right join (((select 1)) union (select 2)) on q)
        if (peekKeyword("SELECT", "SEL", "WITH")) {
            SelectQueryImpl<Record> select = parseWithOrSelect();
            parse(')');
            result = parseQueryExpressionBody(null, null, select);
        } else if (peekKeyword("VALUES")) {
            result = parseTableValueConstructor();
            parse(')');
        } else {
            result = parseJoinedTable(forbiddenKeywords);
            parse(')');
        }
    } else {
        result = parseTableName();
    // TODO Sample clause
    }
    if (!ignoreProEdition() && parseKeywordIf("VERSIONS BETWEEN") && requireProEdition()) {
    } else if (!ignoreProEdition() && peekKeyword("FOR") && !peekKeyword("FOR JSON") && !peekKeyword("FOR KEY SHARE") && !peekKeyword("FOR NO KEY UPDATE") && !peekKeyword("FOR SHARE") && !peekKeyword("FOR UPDATE") && !peekKeyword("FOR XML") && parseKeyword("FOR") && requireProEdition()) {
    } else if (!ignoreProEdition() && parseKeywordIf("AS OF") && requireProEdition()) {
    }
    if (!ignoreProEdition() && parseKeywordIf("PIVOT") && requireProEdition()) {
    }
    // TODO UNPIVOT
    result = parseCorrelationNameIf(result, forbiddenKeywords);
    int p = position();
    if (parseKeywordIf("WITH")) {
        if (!ignoreProEdition() && parseIf('(') && requireProEdition()) {
        } else
            // [#10164] Without parens, WITH is part of the next statement in delimiter free statement batches
            position(p);
    }
    return t(result);
}