- Connexion à Snowflake
- Chargement de données dans Snowflake
- Déchargement des données depuis Snowflake
- Utilisation de Snowflake
- Partage des données sécurisé dans Snowflake
- Gestion de votre organisation Snowflake
- Gestion de votre compte Snowflake
- Gestion de la sécurité dans Snowflake
- Gestion de la gouvernance dans Snowflake
- Gestion des coûts dans Snowflake
- Référence générale
- Référence des commandes SQL
- Référence de la fonction SQL
- Résumé des fonctions
- Toutes les fonctions (alphabétique)
- ABS
- ACOS
- ACOSH
- ADD_MONTHS
- ALL_USER_NAMES
- ANY_VALUE
- APPROX_COUNT_DISTINCT
- APPROX_PERCENTILE
- APPROX_PERCENTILE_ACCUMULATE
- APPROX_PERCENTILE_COMBINE
- APPROX_PERCENTILE_ESTIMATE
- APPROX_TOP_K
- APPROX_TOP_K_ACCUMULATE
- APPROX_TOP_K_COMBINE
- APPROX_TOP_K_ESTIMATE
- APPROXIMATE_JACCARD_INDEX
- APPROXIMATE_SIMILARITY
- ARRAY_AGG
- ARRAY_APPEND
- ARRAY_CAT
- ARRAY_COMPACT
- ARRAY_CONSTRUCT
- ARRAY_CONSTRUCT_COMPACT
- ARRAY_CONTAINS
- ARRAY_INSERT
- ARRAY_INTERSECTION
- ARRAY_POSITION
- ARRAY_PREPEND
- ARRAY_SIZE
- ARRAY_SLICE
- ARRAY_TO_STRING
- ARRAY_UNION_AGG
- ARRAY_UNIQUE_AGG
- ARRAYS_OVERLAP
- AS_<type_objet>
- AS_ARRAY
- AS_BINARY
- AS_BOOLEAN
- AS_CHAR , AS_VARCHAR
- AS_DATE
- AS_DECIMAL , AS_NUMBER
- AS_DOUBLE , AS_REAL
- AS_INTEGER
- AS_OBJECT
- AS_TIME
- AS_TIMESTAMP_*
- ASCII
- ASIN
- ASINH
- ATAN
- ATAN2
- ATANH
- AUTO_REFRESH_REGISTRATION_HISTORY
- AUTOMATIC_CLUSTERING_HISTORY
- AVG
- BASE64_DECODE_BINARY
- BASE64_DECODE_STRING
- BASE64_ENCODE
- [ NOT ] BETWEEN
- BIT_LENGTH
- BITAND
- BITAND_AGG
- BITMAP_BIT_POSITION
- BITMAP_BUCKET_NUMBER
- BITMAP_CONSTRUCT_AGG
- BITMAP_COUNT
- BITMAP_OR_AGG
- BITNOT
- BITOR
- BITOR_AGG
- BITSHIFTLEFT
- BITSHIFTRIGHT
- BITXOR
- BITXOR_AGG
- BOOLAND
- BOOLAND_AGG
- BOOLNOT
- BOOLOR
- BOOLOR_AGG
- BOOLXOR
- BOOLXOR_AGG
- BUILD_SCOPED_FILE_URL
- BUILD_STAGE_FILE_URL
- CASE
- CAST ,
::
- CBRT
- CEIL
- CHARINDEX
- CHECK_JSON
- CHECK_XML
- CHR , CHAR
- COALESCE
- COLLATE
- COLLATION
- COMPLETE_TASK_GRAPHS
- COMPRESS
- CONCAT ,
||
- CONCAT_WS
- CONDITIONAL_CHANGE_EVENT
- CONDITIONAL_TRUE_EVENT
- CONTAINS
- CONVERT_TIMEZONE
- COPY_HISTORY
- CORR
- COS
- COSH
- COT
- COUNT
- COUNT_IF
- COVAR_POP
- COVAR_SAMP
- CUME_DIST
- CURRENT_ACCOUNT
- CURRENT_AVAILABLE_ROLES
- CURRENT_CLIENT
- CURRENT_DATABASE
- CURRENT_DATE
- CURRENT_IP_ADDRESS
- CURRENT_REGION
- CURRENT_ROLE
- CURRENT_SCHEMA
- CURRENT_SCHEMAS
- CURRENT_SECONDARY_ROLES
- CURRENT_SESSION
- CURRENT_STATEMENT
- CURRENT_TASK_GRAPHS
- CURRENT_TIME
- CURRENT_TIMESTAMP
- CURRENT_TRANSACTION
- CURRENT_USER
- CURRENT_VERSION
- CURRENT_WAREHOUSE
- DATA_TRANSFER_HISTORY
- DATABASE_REFRESH_HISTORY
- DATABASE_REFRESH_PROGRESS , DATABASE_REFRESH_PROGRESS_BY_JOB
- DATABASE_STORAGE_USAGE_HISTORY
- DATE_FROM_PARTS
- DATE_PART
- DATE_TRUNC
- DATEADD
- DATEDIFF
- DAYNAME
- DECODE
- DECOMPRESS
- DECOMPRESS_BINARY
- DECOMPRESS_STRING
- DECRYPT
- DECRYPT_RAW
- DEGREES
- DENSE_RANK
- DIV0
- EDITDISTANCE
- ENCRYPT
- ENCRYPT_RAW
- ENDSWITH
- EQUAL_NULL
- EXP
- EXPLAIN_JSON
- EXTERNAL_FUNCTIONS_HISTORY
- EXTERNAL_TABLE_FILES
- EXTERNAL_TABLE_FILE_REGISTRATION_HISTORY
- EXTRACT
- EXTRACT_SEMANTIC_CATEGORIES
- FACTORIAL
- FIRST_VALUE
- FLATTEN
- FLOOR
- GENERATE_COLUMN_DESCRIPTION
- GENERATOR
- GET
- GET_ABSOLUTE_PATH
- GET_DDL
- GET_IGNORE_CASE
- GET_OBJECT_REFERENCES
- GET_PATH ,
:
- GET_PRESIGNED_URL
- GET_RELATIVE_PATH
- GET_STAGE_LOCATION
- GETBIT
- GREATEST
- GROUPING
- GROUPING_ID
- HASH
- HASH_AGG
- HAVERSINE
- HEX_DECODE_BINARY
- HEX_DECODE_STRING
- HEX_ENCODE
- HLL
- HLL_ACCUMULATE
- HLL_COMBINE
- HLL_ESTIMATE
- HLL_EXPORT
- HLL_IMPORT
- HOUR / MINUTE / SECOND
- IFF
- IFNULL
- ILIKE
- ILIKE ANY
- [ NOT ] IN
- INFER_SCHEMA
- INITCAP
- INSERT
- INVOKER_ROLE
- INVOKER_SHARE
- IS_<type_objet>
- IS [ NOT ] DISTINCT FROM
- IS [ NOT ] NULL
- IS_ARRAY
- IS_BINARY
- IS_BOOLEAN
- IS_CHAR , IS_VARCHAR
- IS_DATE , IS_DATE_VALUE
- IS_DECIMAL
- IS_DOUBLE , IS_REAL
- IS_GRANTED_TO_INVOKER_ROLE
- IS_INTEGER
- IS_NULL_VALUE
- IS_OBJECT
- IS_ROLE_IN_SESSION
- IS_TIME
- IS_TIMESTAMP_*
- JAROWINKLER_SIMILARITY
- JSON_EXTRACT_PATH_TEXT
- KURTOSIS
- LAG
- LAST_DAY
- LAST_QUERY_ID
- LAST_TRANSACTION
- LAST_VALUE
- LEAD
- LEAST
- LEFT
- LENGTH, LEN
- LIKE
- LIKE ALL
- LIKE ANY
- LISTAGG
- LN
- LOCALTIME
- LOCALTIMESTAMP
- LOG
- LOGIN_HISTORY , LOGIN_HISTORY_BY_USER
- LOWER
- LPAD
- LTRIM
- MATERIALIZED_VIEW_REFRESH_HISTORY
- MD5 , MD5_HEX
- MD5_BINARY
- MD5_NUMBER — Obsolète
- MD5_NUMBER_LOWER64
- MD5_NUMBER_UPPER64
- MEDIAN
- MIN / MAX
- MINHASH
- MINHASH_COMBINE
- MOD
- MODE
- MONTHNAME
- MONTHS_BETWEEN
- NEXT_DAY
- NORMAL
- NTH_VALUE
- NTILE
- NULLIF
- NULLIFZERO
- NVL
- NVL2
- OBJECT_AGG
- OBJECT_CONSTRUCT
- OBJECT_CONSTRUCT_KEEP_NULL
- OBJECT_DELETE
- OBJECT_INSERT
- OBJECT_KEYS
- OBJECT_PICK
- OCTET_LENGTH
- PARSE_IP
- PARSE_JSON
- PARSE_URL
- PARSE_XML
- PERCENT_RANK
- PERCENTILE_CONT
- PERCENTILE_DISC
- PI
- PIPE_USAGE_HISTORY
- POLICY_CONTEXT
- POLICY_REFERENCES
- POSITION
- POW, POWER
- PREVIOUS_DAY
- QUERY_ACCELERATION_HISTORY
- QUERY_HISTORY , QUERY_HISTORY_BY_*
- RADIANS
- RANDOM
- RANDSTR
- RANK
- RATIO_TO_REPORT
- REGEXP
- REGEXP_COUNT
- REGEXP_INSTR
- REGEXP_LIKE
- REGEXP_REPLACE
- REGEXP_SUBSTR
- REGEXP_SUBSTR_ALL
- REGR_AVGX
- REGR_AVGY
- REGR_COUNT
- REGR_INTERCEPT
- REGR_R2
- REGR_SLOPE
- REGR_SXX
- REGR_SXY
- REGR_SYY
- REGR_VALX
- REGR_VALY
- REPEAT
- REPLACE
- REPLICATION_USAGE_HISTORY
- REST_EVENT_HISTORY
- RESULT_SCAN
- REVERSE
- RIGHT
- RLIKE
- ROUND
- ROW_NUMBER
- RPAD
- RTRIM
- RTRIMMED_LENGTH
- SEARCH_OPTIMIZATION_HISTORY
- SEQ1 / SEQ2 / SEQ4 / SEQ8
- SERVERLESS_TASK_HISTORY
- SHA1 , SHA1_HEX
- SHA1_BINARY
- SHA2 , SHA2_HEX
- SHA2_BINARY
- SIGN
- SIN
- SINH
- SKEW
- SOUNDEX
- SPACE
- SPLIT
- SPLIT_PART
- SPLIT_TO_TABLE
- SQRT
- SQUARE
- ST_AREA
- ST_ASEWKB
- ST_ASEWKT
- ST_ASGEOJSON
- ST_ASWKB , ST_ASBINARY
- ST_ASWKT , ST_ASTEXT
- ST_AZIMUTH
- ST_CENTROID
- ST_COLLECT
- ST_CONTAINS
- ST_COVEREDBY
- ST_COVERS
- ST_DIMENSION
- ST_DISJOINT
- ST_DISTANCE
- ST_DWITHIN
- ST_ENVELOPE — Obsolète
- ST_GEOGFROMGEOHASH
- ST_GEOGPOINTFROMGEOHASH
- ST_GEOGRAPHYFROMWKB
- ST_GEOGRAPHYFROMWKT
- ST_GEOHASH
- ST_HAUSDORFFDISTANCE
- ST_INTERSECTS
- ST_LENGTH
- ST_MAKELINE
- ST_MAKEPOINT , ST_POINT
- ST_MAKEPOLYGON , ST_POLYGON
- ST_NPOINTS , ST_NUMPOINTS
- ST_PERIMETER
- ST_SIMPLIFY
- ST_SRID
- ST_WITHIN
- ST_X
- ST_XMAX
- ST_XMIN
- ST_Y
- ST_YMAX
- ST_YMIN
- STAGE_DIRECTORY_FILE_REGISTRATION_HISTORY
- STAGE_STORAGE_USAGE_HISTORY
- STARTSWITH
- STDDEV
- STDDEV_POP
- STDDEV_SAMP
- STRIP_NULL_VALUE
- STRTOK
- STRTOK_SPLIT_TO_TABLE
- STRTOK_TO_ARRAY
- SUBSTR , SUBSTRING
- SUM
- SYSDATE
- SYSTEM$ABORT_SESSION
- SYSTEM$ABORT_TRANSACTION
- SYSTEM$AUTHORIZE_PRIVATELINK
- SYSTEM$AUTHORIZE_STAGE_PRIVATELINK_ACCESS
- SYSTEM$BEHAVIOR_CHANGE_BUNDLE_STATUS
- SYSTEM$CANCEL_ALL_QUERIES
- SYSTEM$CANCEL_QUERY
- SYSTEM$CLUSTERING_DEPTH
- SYSTEM$CLUSTERING_INFORMATION
- SYSTEM$CLUSTERING_RATIO — Obsolète
- SYSTEM$CURRENT_USER_TASK_NAME
- SYSTEM$DATABASE_REFRESH_HISTORY — Obsolète
- SYSTEM$DATABASE_REFRESH_PROGRESS , SYSTEM$DATABASE_REFRESH_PROGRESS_BY_JOB — Obsolète
- SYSTEM$DISABLE_BEHAVIOR_CHANGE_BUNDLE
- SYSTEM$ENABLE_BEHAVIOR_CHANGE_BUNDLE
- SYSTEM$ESTIMATE_QUERY_ACCELERATION
- SYSTEM$ESTIMATE_SEARCH_OPTIMIZATION_COSTS
- SYSTEM$EXPLAIN_JSON_TO_TEXT
- SYSTEM$EXPLAIN_PLAN_JSON
- SYSTEM$EXTERNAL_TABLE_PIPE_STATUS
- SYSTEM$GENERATE_SAML_CSR
- SYSTEM$GENERATE_SCIM_ACCESS_TOKEN
- SYSTEM$GET_AWS_SNS_IAM_POLICY
- SYSTEM$GET_PREDECESSOR_RETURN_VALUE
- SYSTEM$GET_PRIVATELINK
- SYSTEM$GET_PRIVATELINK_AUTHORIZED_ENDPOINTS
- SYSTEM$GET_PRIVATELINK_CONFIG
- SYSTEM$GET_SNOWFLAKE_PLATFORM_INFO
- SYSTEM$GET_TAG
- SYSTEM$GET_TAG_ALLOWED_VALUES
- SYSTEM$GET_TAG_ON_CURRENT_COLUMN
- SYSTEM$GET_TAG_ON_CURRENT_TABLE
- SYSTEM$GLOBAL_ACCOUNT_SET_PARAMETER
- SYSTEM$LAST_CHANGE_COMMIT_TIME
- SYSTEM$MIGRATE_SAML_IDP_REGISTRATION
- SYSTEM$PIPE_FORCE_RESUME
- SYSTEM$PIPE_STATUS
- SYSTEM$REVOKE_PRIVATELINK
- SYSTEM$REVOKE_STAGE_PRIVATELINK_ACCESS
- SYSTEM$SET_RETURN_VALUE
- SYSTEM$SHOW_OAUTH_CLIENT_SECRETS
- SYSTEM$STREAM_GET_TABLE_TIMESTAMP
- SYSTEM$STREAM_HAS_DATA
- SYSTEM$TASK_DEPENDENTS_ENABLE
- SYSTEM$TYPEOF
- SYSTEM$USER_TASK_CANCEL_ONGOING_EXECUTIONS
- SYSTEM$VERIFY_EXTERNAL_OAUTH_TOKEN
- SYSTEM$WAIT
- SYSTEM$WHITELIST
- SYSTEM$WHITELIST_PRIVATELINK
- TAG_REFERENCES
- TAG_REFERENCES_ALL_COLUMNS
- TAG_REFERENCES_WITH_LINEAGE
- TAN
- TANH
- TASK_DEPENDENTS
- TASK_HISTORY
- TIME_FROM_PARTS
- TIME_SLICE
- TIMEADD
- TIMEDIFF
- TIMESTAMP_FROM_PARTS
- TIMESTAMPADD
- TIMESTAMPDIFF
- TO_ARRAY
- TO_BINARY
- TO_BOOLEAN
- TO_CHAR , TO_VARCHAR
- TO_DATE , DATE
- TO_DECIMAL , TO_NUMBER , TO_NUMERIC
- TO_DOUBLE
- TO_GEOGRAPHY
- TO_JSON
- TO_OBJECT
- TO_TIME , TIME
- TO_TIMESTAMP / TO_TIMESTAMP_*
- TO_VARIANT
- TO_XML
- TRANSLATE
- TRIM
- TRUNCATE , TRUNC
- TRUNC
- TRY_BASE64_DECODE_BINARY
- TRY_BASE64_DECODE_STRING
- TRY_CAST
- TRY_HEX_DECODE_BINARY
- TRY_HEX_DECODE_STRING
- TRY_PARSE_JSON
- TRY_TO_BINARY
- TRY_TO_BOOLEAN
- TRY_TO_DATE
- TRY_TO_DECIMAL, TRY_TO_NUMBER, TRY_TO_NUMERIC
- TRY_TO_DOUBLE
- TRY_TO_GEOGRAPHY
- TRY_TO_TIME
- TRY_TO_TIMESTAMP / TRY_TO_TIMESTAMP_*
- TYPEOF
- UNICODE
- UNIFORM
- UPPER
- UUID_STRING
- VALIDATE
- VALIDATE_PIPE_LOAD
- VAR_POP
- VAR_SAMP
- VARIANCE , VARIANCE_SAMP
- VARIANCE_POP
- WAREHOUSE_LOAD_HISTORY
- WAREHOUSE_METERING_HISTORY
- WIDTH_BUCKET
- XMLGET
- YEAR* / DAY* / WEEK* / MONTH / QUARTER
- ZEROIFNULL
- ZIPF
- Fonctions scalaires
- Fonctions d’agrégation
- Fonctions de la fenêtre
- Fonctions de table
- Fonctions système
- Référence pour Exécution de scripts Snowflake
- Référence API
- Annexes
- Catégories :
Fonctions d’agrégation (Compter les valeurs distinctes)
ARRAY_UNIQUE_AGG¶
Renvoie un ARRAY qui contient toutes les valeurs distinctes de la colonne spécifiée.
- Voir aussi :
Utilisation de tableaux pour calculer des valeurs distinctes pour les agrégations hiérarchiques
Syntaxe¶
ARRAY_UNIQUE_AGG( <column> )
Arguments¶
column
La colonne contenant les valeurs.
Renvoie¶
La fonction renvoie un ARRAY contenant les valeurs distinctes de la colonne spécifiée. Les valeurs dans l’ARRAY ne sont pas dans un ordre particulier, et l’ordre n’est pas déterministe.
La fonction ignore les valeurs NULL dans la column
. Si column
ne contient que des valeurs NULL ou si la table contenant une column
est vide, la fonction renvoie un ARRAY vide.