Examples of org.lealone.command.dml.NoOperation

org.lealone.command.dml.NoOperation
Represents an empty statement or a statement that has no effect.

    protected Prepared parsePrepared() {
        int start = lastParseIndex;
        Prepared c = null;
        String token = currentToken;
        if (token.length() == 0) {
            c = new NoOperation(session);
        } else {
            char first = token.charAt(0);
            c = parsePrepared(first);


            if (c == null)

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        command.setSavepointName(readUniqueIdentifier());
        return command;
    }


    private Prepared parseReleaseSavepoint() {
        Prepared command = new NoOperation(session);
        readIf("SAVEPOINT");
        readUniqueIdentifier();
        return command;
    }

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            return command;
        } else if (readIf("CREATE")) {
            readIfEqualOrTo();
            // Derby compatibility (CREATE=TRUE in the database URL)
            read();
            return new NoOperation(session);
        } else if (readIf("HSQLDB.DEFAULT_TABLE_TYPE")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("PAGE_STORE")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("CACHE_TYPE")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("FILE_LOCK")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("DB_CLOSE_ON_EXIT")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("AUTO_SERVER")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("AUTO_SERVER_PORT")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("AUTO_RECONNECT")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("ASSERT")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("ACCESS_MODE_DATA")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("OPEN_NEW")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("JMX")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("PAGE_SIZE")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("RECOVER")) {
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("NAMES")) {
            // Quercus PHP MySQL driver compatibility
            readIfEqualOrTo();
            read();
            return new NoOperation(session);
        } else if (readIf("SCHEMA")) {
            readIfEqualOrTo();
            Set command = new Set(session, SetTypes.SCHEMA);
            command.setString(readAliasIdentifier());
            return command;
        } else if (readIf("DATESTYLE")) {
            // PostgreSQL compatibility
            readIfEqualOrTo();
            if (!readIf("ISO")) {
                String s = readString();
                if (!equalsToken(s, "ISO")) {
                    throw getSyntaxError();
                }
            }
            return new NoOperation(session);
        } else if (readIf("SEARCH_PATH") || readIf(SetTypes.getTypeName(SetTypes.SCHEMA_SEARCH_PATH))) {
            readIfEqualOrTo();
            Set command = new Set(session, SetTypes.SCHEMA_SEARCH_PATH);
            ArrayList<String> list = New.arrayList();
            list.add(readAliasIdentifier());

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                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setType(CommandInterface.ALTER_TABLE_DROP_COLUMN);
                String columnName = readColumnIdentifier();
                command.setTable(table);
                if (ifExists && !table.doesColumnExist(columnName)) {
                    return new NoOperation(session);
                }
                command.setOldColumn(table.getColumn(columnName));
                return command;
            }
        } else if (readIf("MODIFY")) {

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Related Classes of org.lealone.command.dml.NoOperation

org.lealone.command.Parser

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