榜单
服务器优惠
AI论文
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All functions
All Druid SQL functions ABS ACOS ANY_VALUE APPROX_COUNT_DISTINCT APPROX_COUNT_DISTINCT_DS_HLL APPROX_COUNT_DISTINCT_DS_THETA APPROX_QUANTILE APPROX_QUANTILE_DS APPROX_QUANT... -
JSON functions
SQL JSON functions JSONPath syntax SQL JSON functions Druid supports nested columns, which provide optimized storage and indexes for nested data structures. See Nested columns ... -
Scalar functions
SQL scalar functions Numeric functions String functions Date and time functions Reduction functions IP address functions Sketch functions HLL sketch functions Theta sketch fu... -
Internationalization Functions
Internationalization Functions Myanmar Functions Internationalization Functions Myanmar Functions Note Text written in Myanmar uses primarily the Zawgyi font encoding, which ... -
Teradata Functions
Teradata Functions String Functions Date Functions Teradata Functions These functions provide compatibility with Teradata SQL. String Functions char2hexint(string) → varchar... -
Color Functions
Color Functions Color Functions bar(x, width) → varchar Renders a single bar in an ANSI bar chart using a default low_color of red and a high_color of green. For example, if ... -
HyperLogLog Functions
HyperLogLog Functions Data Structures Serialization Functions HyperLogLog Functions Presto implements the approx_distinct() function using the HyperLogLog data structure. ... -
Geospatial Functions
Geospatial Functions Constructors Relationship Tests Operations Accessors Aggregations Bing Tiles Geospatial Functions Presto Geospatial functions that begin with the ST_ ... -
URL Functions
URL Functions Extraction Functions Encoding Functions URL Functions Extraction Functions The URL extraction functions extract components from HTTP URLs (or any valid URIs con... -
Custom functions
Create custom Flux functions Function definition syntax functionName functionParameters functionOperations Basic function examples Example square function Example multiply fun...