Release Notes
Introduction to CelerData Cloud Serverless
Quick Start
Warehouses
- Overview of warehouses
- Manage warehouses
Catalog, database, table, view, and MV
- Overview of database objects
- Catalog
- Table types
- Asynchronous materialized views
Data Loading
- Batch load data from Amazon S3
- Load streaming data from Confluent Cloud
- Load data from a local file system
Data access control
- Overview of access control
- Privileges
- Manage user privileges
- Column and row-level security
Networking and private connectivity
- Connect with a Private Link
- IP Firewall
Usage and Billing
- Understand usage and billing
Organization and Account
- Organization and account
Integration
- Authenticate to AWS resources
- BI tools
- IDE tools
  - DataGrip
  - DBeaver
Query Acceleration
- CBO
- Colocate join
- Indexing
  - Bitmap indexing
  - Bloomfilter indexing
- Data Deduplication
  - Use Bitmap for exact count distinct
  - Use HLL for approximate count distinct
- Lateral join
Reference
- AWS IAM policies
- Information Schema
- Data Types
- System Metadatabase
- Keywords
- SQL Statements
- SQL Functions
  - Function List
  - String Functions
    - CONCAT
    - HEX
    - LOWER
    - SPLIT
    - LPAD
    - SUBSTRING
    - PARSE_URL
    - INSTR
    - REPEAT
    - LCASE
    - REPLACE
    - HEX_DECODE_BINARY
    - RPAD
    - SPLIT_PART
    - STRCMP
    - SPACE
    - CHARACTER_LENGTH
    - URL_ENCODE
    - APPEND_TAILING_CHAR_IF_ABSENT
    - LTRIM
    - HEX_DECODE_STRING
    - URL_DECODE
    - LEFT
    - STARTS_WITH
    - CONCAT
    - GROUP_CONCAT
    - STR_TO_MAP
    - STRLEFT
    - STRRIGHT
    - MONEY_FORMAT
    - RIGHT
    - SUBSTRING_INDEX
    - UCASE
    - TRIM
    - FIND_IN_SET
    - RTRIM
    - ASCII
    - UPPER
    - REVERSE
    - LENGTH
    - UNHEX
    - ENDS_WITH
    - CHAR_LENGTH
    - NULL_OR_EMPTY
    - LOCATE
    - CHAR
  - Predicate Functions
    - REGEXP
    - REGEXP_EXTRACT_ALL
    - REGEXP_EXTRACT
    - REGEXP_REPLACE
    - LIKE
  - Map Functions
    - MAP_KEYS
    - MAP_VALUES
    - MAP_CONCAT
    - MAP_SIZE
    - MAP_FROM_ARRAYS
    - MAP_APPLY
    - TRANSFORM_KEYS
    - CARDINALITY
    - DISTINCT_MAP_KEYS
    - MAP_FILTER
    - ELEMENT_AT
    - TRANSFORM_VALUES
  - Binary Functions
    - TO_BINARY
    - FROM_BINARY
  - Geospatial Functions
    - ST_X
    - ST_Y
    - S_CIRCLE
    - ST_DISTANCE_SPHERE
    - ST_POINT
    - ST_POLYGON
    - ST_ASTEXT
    - ST_CONTAINS
    - ST_GEOMETRY_FROM_TEXT
    - ST_LINE_FROM_TEXT
  - Lambda Expression
    - Lambda Expression
  - Utility Functions
    - SLEEP
    - UUID
    - IS_NOT_NULL
    - CURRENT_VERSION
    - LAST_QUERY_ID
    - HOST_NAME
    - VERSION
    - UUID_NUMERIC
    - CATALOG
    - IS_NULL
    - CURRENT_ROLE
    - DATABASE
  - Bitmap Functions
    - BITMAP_SUBSET_LIMIT
    - TO_BITMAP
    - BITMAP_AGG
    - BITMAP_FROM_STRING
    - BITMAP_OR
    - BITMAP_REMOVE
    - BITMAP_AND
    - BITMAP_TO_BASE64
    - BITMAP_MIN
    - BITMAP_CONTAINS
    - SUB_BITMAP
    - BITMAP_UNION
    - BITMAP_COUNT
    - BITMAP_UNION_INT
    - BITMAP_XOR
    - BITMAP_UNION_COUNT
    - BITMAP_HAS_ANY
    - BITMAP_INTERSECT
    - BITMAP_AND_NOT
    - BITMAP_TO_STRING
    - BITMAP_HASH
    - INTERSECT_COUNT
    - BITMAP_EMPTY
    - BITMAP_MAX
    - BASE64_TO_ARRAY
    - BITMAP_TO_ARRAY
  - Struct Functions
    - NAMED_STRUCT
    - ROW
  - Aggregate Functions
    - RETENTION
    - MI
    - MULTI_DISTINCT_SUM
    - WINDOW_FUNNEL
    - STDDEV_SAMP
    - GROUPING_ID
    - HLL_HASH
    - AVG
    - HLL_UNION_AGG
    - COUNT
    - BITMAP
    - HLL_EMPTY
    - SUM
    - MAX_BY
    - PERCENTILE_CONT
    - COVAR_POP
    - PERCENTILE_APPROX
    - HLL_RAW_AGG
    - STDDEV
    - CORR
    - COVAR_SAMP
    - MIN_BY
    - MAX
    - VAR_SAMP
    - STD
    - HLL_UNION
    - APPROX_COUNT_DISTINCT
    - MULTI_DISTINCT_COUNT
    - VARIANCE
    - ANY_VALUE
    - COUNT_IF
    - GROUPING
    - PERCENTILE_DISC
  - Array Functions
    - ARRAY_CUM_SUM
    - ARRAY_MAX
    - ARRAY_LENGTH
    - ARRAY_REMOVE
    - UNNEST
    - ARRAY_SLICE
    - ALL_MATCH
    - ARRAY_CONCAT
    - ARRAY_SORT
    - ARRAY_POSITION
    - ARRAY_DIFFERENCE
    - ARRAY_CONTAINS
    - ARRAY_JOIN
    - ARRAY_INTERSECT
    - CARDINALITY
    - ARRAY_CONTAINS_ALL
    - ARRAYS_OVERLAP
    - ARRAY_MIN
    - ARRAY_MAP
    - ELEMENT_AT
    - ARRAY_APPEND
    - ARRAY_SORTBY
    - ARRAY_TO_BITMAP
    - ARRAY_GENERATE
    - ARRAY_AVG
    - ARRAY_FILTER
    - ANY_MATCH
    - REVERSE
    - ARRAY_AGG
    - ARRAY_DISTINCT
    - ARRAY_SUM
  - Condition Functions
    - NULLIF
    - IFNULL
    - IF
    - CASE_WHEN
    - COALESCE
  - Math Functions
    - COT
    - LOG10
    - PMOD
    - RAND
    - GREATEST
    - COS_SIMILARITY
    - ROUND
    - ACOS
    - ATAN
    - EXP
    - MOD
    - SIN
    - RADIANS
    - SQUARE
    - LOG2
    - CONV
    - SINH
    - SIGN
    - COSH
    - FMOD
    - TANH
    - LOG
    - SQRT
    - POSITIVE
    - CEILING
    - POW
    - TRUNCATE
    - FLOOR
    - COS_SIMIlARITY_NORM
    - DIVIDE
    - ABS
    - BIN
    - LEAST
    - CEIL
    - PI
    - DEGREES
    - MULTIPLY
    - ASIN
    - NEGATIVE
    - LN
    - E
    - TAN
    - COS
    - ATAN2
  - Date and Time Functions
    - DAYNAME
    - MINUTE
    - FROM_UNIXTIME
    - HOUR
    - MONTHNAME
    - MONTHS_ADD
    - ADD_MONTHS
    - DATE_SUB
    - PREVIOUS_DAY
    - TO_TERA_DATA
    - MINUTES_SUB
    - WEEKS_ADD
    - HOURS_DIFF
    - UNIX_TIMESTAMP
    - DAY
    - DATE_SLICE
    - DATE
    - CURTIME
    - SECONDS_SUB
    - MONTH
    - WEEK
    - TO_DATE
    - TIMEDIFF
    - MONTHS_DIFF
    - STR_TO_JODATIME
    - WEEK_ISO
    - MICROSECONDS_SUB
    - TIME_SLICE
    - MAKEDATE
    - DATE_TRUNC
    - JODATIME
    - DAYOFWEEK
    - YEARS_SUB
    - TIMESTAMP_ADD
    - HOURS_SUB
    - STR2DATE
    - TIMESTAMP
    - FROM_DAYS
    - WEEK_OF_YEAR
    - YEAR
    - TIMESTAMP_DIFF
    - TO_TERA_TIMESTAMP
    - DAYOFMONTH
    - DAYOFYEAR
    - DATE_FORMAT
    - MONTHS_SUB
    - NEXT_DAY
    - MINUTES_DIFF
    - DATA_ADD
    - MINUTES_ADD
    - CURDATE
    - DAY_OF_WEEK_ISO
    - CURRENt_TIMESTAMP
    - STR_TO_DATE
    - LAST_DAY
    - WEEKS_SUB
    - TO_DAYS
    - DATEDIFF
    - NOW
    - TO_ISO8601
    - TIME_TO_SEC
    - QUARTER
    - SECONDS_DIFF
    - UTC_TIMESTAMP
    - DATA_DIFF
    - SECONDS_ADD
    - ADDDATE
    - WEEKSDIFF
    - CONVERT_TZ
    - MICROSECONDS_ADD
    - SECOND
    - YEARS_DIFF
    - YEARS_ADD
    - HOURS_ADD
    - DAYS_SUB
    - DAYS_DIFF
  - Cryptographic Functions
    - SHA2
    - BASE64_DECODE_BINARY
    - SM3
    - AES_DECRYPT
    - MD5
    - AES_ENCRYPT
    - MD5SUM
    - MD5SUM_NUMERIC
    - FROM_BASE64
    - TO_BASE64
    - BASE64_DECODE_STRING
  - Percentile Functions
    - PERCENTILE_APPROX_RAW
    - PERCENTILE_UNION
    - PERCENTILE_HASH
    - PERCENTILE_EMPTY
  - Bit Functions
    - BITOR
    - BITAND
    - BIT_SHIFT_RIGHT_LOGICAL
    - BITXOR
    - BITNOT
    - BIT_SHIFT_LEFT
    - BIT_SHIFT_RIGHT
  - JSON Functions
    - Overview of JSON functions and operators
    - JSON_KEYS
    - JSON_STRING
    - GET_JSON_INT
    - GET_JSON_STRING
    - GET_JSON_DOUBLE
    - JSON_EACH
    - TO_JSON
    - JSON_LENGTH
    - ARROW FUNCTION
    - CAST
    - JSON_QUERY
    - JSON_EXISTS
    - JSON Operators
    - JSON_ARRAY
    - PARSE_JSON
    - JSON_OBJECT
  - Hash Functions
    - MURMUR_HASH3_32
  - Scalar Functions
    - HLL_CARDINALITY
  - Table Functions
    - GENERATE_SERIES
    - FILES

pipes

pipes provides information about all pipes stored in the current or specified database.

The following fields are provided in pipes:

Field	Description
DATABASE_NAME	The name of the database in which the pipe is stored.
PIPE_ID	The unique ID of the pipe.
PIPE_NAME	The name of the pipe.
TABLE_NAME	The name of the destination table. Format: `<database_name>.<table_name>`.
STATE	The status of the pipe. Valid values: `RUNNING`, `FINISHED`, `SUSPENDED`, and `ERROR`.
LOAD_STATUS	The overall status of the data files to be loaded via the pipe, including the following sub-fields: `loadedFiles`: the number of data files that have been loaded. `loadedBytes`: the volume of data that has been loaded, measured in bytes. `loadingFiles`: the number of data files that are being loaded.
LAST_ERROR	The details about the last error that occurred during the pipe execution. Default value: `NULL`.
CREATED_TIME	The date and time when the pipe was created. Format: `yyyy-MM-dd HH:mm:ss`. Example: `2023-07-24 14:58:58`.

In this article

pipes