protected SQLAndParameters buildSQL()

in oap-server/server-storage-plugin/storage-jdbc-hikaricp-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/jdbc/common/dao/JDBCLogQueryDAO.java [168:257]
81 lines of code
16 McCabe index (conditional complexity)

    protected SQLAndParameters buildSQL(
        String serviceId,
        String serviceInstanceId,
        String endpointId,
        TraceScopeCondition relatedTrace,
        Order queryOrder,
        int from,
        int limit,
        final Duration duration,
        final List<Tag> tags,
        final List<String> keywordsOfContent,
        final List<String> excludingKeywordsOfContent,
        final String table) {
        long startSecondTB = 0;
        long endSecondTB = 0;
        if (nonNull(duration)) {
            startSecondTB = duration.getStartTimeBucketInSec();
            endSecondTB = duration.getEndTimeBucketInSec();
        }
        StringBuilder sql = new StringBuilder();
        List<Object> parameters = new ArrayList<>(10);

        sql.append("select * from ").append(table);
        /*
         * This is an AdditionalEntity feature, see:
         * {@link org.apache.skywalking.oap.server.core.storage.annotation.SQLDatabase.AdditionalEntity}
         */
        final var timeBucket = TableHelper.getTimeBucket(table);
        final var tagTable = TableHelper.getTable(AbstractLogRecord.ADDITIONAL_TAG_TABLE, timeBucket);
        if (!CollectionUtils.isEmpty(tags)) {
            for (int i = 0; i < tags.size(); i++) {
                sql.append(" inner join ").append(tagTable).append(" ");
                sql.append(tagTable + i);
                sql.append(" on ").append(table).append(".").append(JDBCTableInstaller.ID_COLUMN).append(" = ");
                sql.append(tagTable + i).append(".").append(JDBCTableInstaller.ID_COLUMN);
            }
        }
        sql.append(" where ");
        sql.append(JDBCTableInstaller.TABLE_COLUMN).append(" = ?");
        parameters.add(LogRecord.INDEX_NAME);
        if (startSecondTB != 0 && endSecondTB != 0) {
            sql.append(" and ").append(table).append(".").append(AbstractLogRecord.TIME_BUCKET).append(" >= ?");
            parameters.add(startSecondTB);
            sql.append(" and ").append(table).append(".").append(AbstractLogRecord.TIME_BUCKET).append(" <= ?");
            parameters.add(endSecondTB);
        }

        if (StringUtil.isNotEmpty(serviceId)) {
            sql.append(" and ").append(table).append(".").append(SERVICE_ID).append(" = ?");
            parameters.add(serviceId);
        }
        if (StringUtil.isNotEmpty(serviceInstanceId)) {
            sql.append(" and ").append(AbstractLogRecord.SERVICE_INSTANCE_ID).append(" = ?");
            parameters.add(serviceInstanceId);
        }
        if (StringUtil.isNotEmpty(endpointId)) {
            sql.append(" and ").append(AbstractLogRecord.ENDPOINT_ID).append(" = ?");
            parameters.add(endpointId);
        }
        if (nonNull(relatedTrace)) {
            if (StringUtil.isNotEmpty(relatedTrace.getTraceId())) {
                sql.append(" and ").append(TRACE_ID).append(" = ?");
                parameters.add(relatedTrace.getTraceId());
            }
            if (StringUtil.isNotEmpty(relatedTrace.getSegmentId())) {
                sql.append(" and ").append(TRACE_SEGMENT_ID).append(" = ?");
                parameters.add(relatedTrace.getSegmentId());
            }
            if (nonNull(relatedTrace.getSpanId())) {
                sql.append(" and ").append(SPAN_ID).append(" = ?");
                parameters.add(relatedTrace.getSpanId());
            }
        }

        if (CollectionUtils.isNotEmpty(tags)) {
            for (int i = 0; i < tags.size(); i++) {
                sql.append(" and ").append(tagTable + i).append(".");
                sql.append(AbstractLogRecord.TAGS).append(" = ?");
                parameters.add(tags.get(i).toString());
            }
        }
        sql.append(" order by ")
           .append(TIMESTAMP)
           .append(" ")
           .append(Order.DES.equals(queryOrder) ? "desc" : "asc");

        sql.append(" limit ").append(from + limit);

        return new SQLAndParameters(sql.toString(), parameters);
    }