Examples with EMPTY_QUERYPART org.jooq.impl.Tools.EMPTY_QUERYPART used on opensource projects

Example 1 with EMPTY_QUERYPART

use of org.jooq.impl.Tools.EMPTY_QUERYPART in project jOOQ by jOOQ.

the class DefaultParseContext method parseCreateTable.

private final DDLQuery parseCreateTable(boolean temporary) {
    boolean ifNotExists = parseKeywordIf("IF NOT EXISTS");
    Table<?> tableName = DSL.table(parseTableName().getQualifiedName());
    if (parseKeywordIf("USING"))
        parseIdentifier();
    CreateTableOnCommitStep onCommitStep;
    CreateTableCommentStep commentStep;
    List<Field<?>> fields = new ArrayList<>();
    List<Constraint> constraints = new ArrayList<>();
    List<Index> indexes = new ArrayList<>();
    boolean primary = false;
    boolean identity = false;
    boolean readonly = false;
    boolean ctas = false;
    if (!peekSelectOrWith(true) && parseIf('(')) {
        columnLoop: do {
            int p = position();
            ConstraintTypeStep constraint = parseConstraintNameSpecification();
            if (parsePrimaryKeyClusteredNonClusteredKeywordIf()) {
                if (primary)
                    throw exception("Duplicate primary key specification");
                primary = true;
                constraints.add(parsePrimaryKeySpecification(constraint));
                continue columnLoop;
            } else if (parseKeywordIf("UNIQUE")) {
                if (!parseKeywordIf("KEY"))
                    parseKeywordIf("INDEX");
                // [#9132] Avoid parsing "using" as an identifier
                parseUsingIndexTypeIf();
                // [#7268] MySQL has some legacy syntax where an index name
                // can override a constraint name
                Name index = parseIdentifierIf();
                if (index != null)
                    constraint = constraint(index);
                constraints.add(parseUniqueSpecification(constraint));
                continue columnLoop;
            } else if (parseKeywordIf("FOREIGN KEY")) {
                constraints.add(parseForeignKeySpecification(constraint));
                continue columnLoop;
            } else if (parseKeywordIf("CHECK")) {
                constraints.add(parseCheckSpecification(constraint));
                continue columnLoop;
            } else if (constraint == null && parseIndexOrKeyIf()) {
                parseUsingIndexTypeIf();
                int p2 = position();
                // Look ahead if the next tokens indicate a MySQL index definition
                if (parseIf('(') || (parseDataTypeIf(false) == null && parseIdentifierIf() != null && parseUsingIndexTypeIf() && parseIf('('))) {
                    position(p2);
                    indexes.add(parseIndexSpecification(tableName));
                    parseUsingIndexTypeIf();
                    continue columnLoop;
                } else {
                    position(p);
                }
            } else if (constraint != null)
                throw expected("CHECK", "CONSTRAINT", "FOREIGN KEY", "INDEX", "KEY", "PRIMARY KEY", "UNIQUE");
            Name fieldName = parseIdentifier();
            boolean skipType = peek(',') || peek(')');
            // If only we had multiple return values or destructuring...
            ParseInlineConstraints inlineConstraints = parseInlineConstraints(fieldName, !skipType ? parseDataType() : SQLDataType.OTHER, constraints, primary, identity, readonly);
            primary = inlineConstraints.primary;
            identity = inlineConstraints.identity;
            fields.add(field(fieldName, inlineConstraints.type, inlineConstraints.fieldComment));
        } while (parseIf(','));
        if (fields.isEmpty())
            throw expected("At least one column");
        parse(')');
    } else
        ctas = true;
    CreateTableElementListStep elementListStep = ifNotExists ? temporary ? dsl.createTemporaryTableIfNotExists(tableName) : dsl.createTableIfNotExists(tableName) : temporary ? dsl.createTemporaryTable(tableName) : dsl.createTable(tableName);
    if (!fields.isEmpty())
        elementListStep = elementListStep.columns(fields);
    CreateTableElementListStep constraintStep = constraints.isEmpty() ? elementListStep : elementListStep.constraints(constraints);
    CreateTableAsStep asStep = indexes.isEmpty() ? constraintStep : constraintStep.indexes(indexes);
    // [#6133] Historically, the jOOQ API places the ON COMMIT clause after
    // the AS clause, which doesn't correspond to dialect implementations
    Function<CreateTableOnCommitStep, CreateTableCommentStep> onCommit;
    if (temporary && parseKeywordIf("ON COMMIT")) {
        if (parseKeywordIf("DELETE ROWS"))
            onCommit = CreateTableOnCommitStep::onCommitDeleteRows;
        else if (parseKeywordIf("DROP"))
            onCommit = CreateTableOnCommitStep::onCommitDrop;
        else if (parseKeywordIf("PRESERVE ROWS"))
            onCommit = CreateTableOnCommitStep::onCommitPreserveRows;
        else
            throw unsupportedClause();
    } else
        onCommit = s -> s;
    // keyword only for empty field lists
    if (parseKeywordIf("AS") || fields.isEmpty() && peekSelectOrWith(true)) {
        boolean previousMetaLookupsForceIgnore = metaLookupsForceIgnore();
        CreateTableWithDataStep withDataStep = asStep.as((Select<Record>) metaLookupsForceIgnore(false).parseQuery(true, true));
        metaLookupsForceIgnore(previousMetaLookupsForceIgnore);
        onCommitStep = parseKeywordIf("WITH DATA") ? withDataStep.withData() : parseKeywordIf("WITH NO DATA") ? withDataStep.withNoData() : withDataStep;
    } else if (ctas)
        throw expected("AS, WITH, SELECT, or (");
    else
        onCommitStep = asStep;
    commentStep = onCommit.apply(onCommitStep);
    List<SQL> storage = new ArrayList<>();
    Comment comment = null;
    storageLoop: for (boolean first = true; ; first = false) {
        boolean optional = first || !parseIf(',');
        Keyword keyword = null;
        // MySQL storage clauses (see: https://dev.mysql.com/doc/refman/5.7/en/create-table.html)
        if ((keyword = parseAndGetKeywordIf("AUTO_INCREMENT")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseFieldUnsignedNumericLiteral(Sign.NONE)));
        } else if ((keyword = parseAndGetKeywordIf("AVG_ROW_LENGTH")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseFieldUnsignedNumericLiteral(Sign.NONE)));
        } else if ((keyword = parseAndGetKeywordIf("CHARACTER SET")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseIdentifier()));
        } else if ((keyword = parseAndGetKeywordIf("DEFAULT CHARACTER SET")) != null || (keyword = parseAndGetKeywordIf("DEFAULT CHARSET")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseIdentifier()));
        } else if ((keyword = parseAndGetKeywordIf("CHECKSUM")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseZeroOne()));
        } else if ((keyword = parseAndGetKeywordIf("COLLATE")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseIdentifier()));
        } else if ((keyword = parseAndGetKeywordIf("DEFAULT COLLATE")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseIdentifier()));
        } else // [#10164] In a statement batch, this could already be the next statement
        if (!peekKeyword("COMMENT ON") && parseKeywordIf("COMMENT")) {
            if (!parseIf('='))
                parseKeywordIf("IS");
            comment = parseComment();
        } else if (peekKeyword("OPTIONS")) {
            comment = parseOptionsDescription();
        } else if ((keyword = parseAndGetKeywordIf("COMPRESSION")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseStringLiteral()));
        } else if ((keyword = parseAndGetKeywordIf("CONNECTION")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseStringLiteral()));
        } else if ((keyword = parseAndGetKeywordIf("DATA DIRECTORY")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseStringLiteral()));
        } else if ((keyword = parseAndGetKeywordIf("INDEX DIRECTORY")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseStringLiteral()));
        } else if ((keyword = parseAndGetKeywordIf("DELAY_KEY_WRITE")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseZeroOne()));
        } else if ((keyword = parseAndGetKeywordIf("ENCRYPTION")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseStringLiteral()));
        } else if ((keyword = parseAndGetKeywordIf("ENGINE")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseIdentifier()));
        } else if ((keyword = parseAndGetKeywordIf("INSERT_METHOD")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseAndGetKeyword("NO", "FIRST", "LAST")));
        } else if ((keyword = parseAndGetKeywordIf("KEY_BLOCK_SIZE")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseFieldUnsignedNumericLiteral(Sign.NONE)));
        } else if ((keyword = parseAndGetKeywordIf("MAX_ROWS")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseFieldUnsignedNumericLiteral(Sign.NONE)));
        } else if ((keyword = parseAndGetKeywordIf("MIN_ROWS")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseFieldUnsignedNumericLiteral(Sign.NONE)));
        } else if ((keyword = parseAndGetKeywordIf("PACK_KEYS")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseZeroOneDefault()));
        } else if ((keyword = parseAndGetKeywordIf("PASSWORD")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseStringLiteral()));
        } else if ((keyword = parseAndGetKeywordIf("ROW_FORMAT")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseAndGetKeyword("DEFAULT", "DYNAMIC", "FIXED", "COMPRESSED", "REDUNDANT", "COMPACT")));
        } else if ((keyword = parseAndGetKeywordIf("STATS_AUTO_RECALC")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseZeroOneDefault()));
        } else if ((keyword = parseAndGetKeywordIf("STATS_PERSISTENT")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseZeroOneDefault()));
        } else if ((keyword = parseAndGetKeywordIf("STATS_SAMPLE_PAGES")) != null) {
            parseIf('=');
            storage.add(sql("{0} {1}", keyword, parseFieldUnsignedNumericLiteral(Sign.NONE)));
        } else if ((keyword = parseAndGetKeywordIf("TABLESPACE")) != null) {
            storage.add(sql("{0} {1}", keyword, parseIdentifier()));
            if ((keyword = parseAndGetKeywordIf("STORAGE")) != null)
                storage.add(sql("{0} {1}", keyword, parseAndGetKeyword("DISK", "MEMORY", "DEFAULT")));
        } else if ((keyword = parseAndGetKeywordIf("UNION")) != null) {
            parseIf('=');
            parse('(');
            storage.add(sql("{0} ({1})", keyword, list(parseIdentifiers())));
            parse(')');
        } else if (optional)
            break storageLoop;
        else
            throw expected("storage clause after ','");
    }
    CreateTableStorageStep storageStep = comment != null ? commentStep.comment(comment) : commentStep;
    if (storage.size() > 0)
        return storageStep.storage(new SQLConcatenationImpl(storage.toArray(EMPTY_QUERYPART)));
    else
        return storageStep;
}