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package ru.yandex.clickhouse.settings;
public enum ClickHouseQueryParam {
MAX_PARALLEL_REPLICAS("max_parallel_replicas", null, Integer.class),
/**
* How to calculate TOTALS when HAVING is present, as well as when max_rows_to_group_by and group_by_overflow_mode = 'any' are present.
* https://clickhouse.yandex/reference_en.html#WITH TOTALS modifier
*/
TOTALS_MODE("totals_mode", null, String.class),
/**
* quota is calculated for each quota_key value.
* For example here may be some user name.
*/
QUOTA_KEY("quota_key", null, String.class),
/**
* The lower the value the bigger the priority.
*/
PRIORITY("priority", null, Integer.class),
/**
* database name used by default
*/
DATABASE("database", null, String.class),
/**
* whether to compress transfered data or not
*/
COMPRESS("compress", true, Boolean.class),
/**
* Whether to include extreme values.
* https://clickhouse.yandex/reference_en.html#Extreme values
*/
EXTREMES("extremes", false, String.class),
/**
* The maximum number of query processing threads
* https://clickhouse.yandex/reference_en.html#max_threads
*/
MAX_THREADS("max_threads", null, Integer.class),
/**
* Maximum query execution time in seconds.
* https://clickhouse.yandex/reference_en.html#max_execution_time
*/
MAX_EXECUTION_TIME("max_execution_time", null, Integer.class),
/**
* https://clickhouse.yandex/reference_en.html#max_block_size
*/
MAX_BLOCK_SIZE("max_block_size", null, Integer.class),
/**
* Maximum number of unique keys received from aggregation. This setting lets you limit memory consumption when aggregating.
* https://clickhouse.yandex/reference_en.html#max_rows_to_group_by
*/
MAX_ROWS_TO_GROUP_BY("max_rows_to_group_by", null, Integer.class),
/**
* https://clickhouse.yandex/reference_en.html#Settings profiles
*/
PROFILE("profile", null, String.class),
/**
* user name, by default - default
*/
USER("user", null, String.class),
/**
* user password, by default null
*/
PASSWORD("password", null, String.class);
private final String key;
private final Object defaultValue;
private final Class clazz;
ClickHouseQueryParam(String key, Object defaultValue, Class clazz) {
this.key = key;
this.defaultValue = defaultValue;
this.clazz = clazz;
}
public String getKey() {
return key;
}
public Object getDefaultValue() {
return defaultValue;
}
public Class getClazz() {
return clazz;
}
@Override
public String toString() {
return name().toLowerCase();
}
}
