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OPAL Reference

What is OPAL?
- OPAL language syntax
- OPAL data types and operators
- OPAL examples
- OPAL case sensitivity
- Parsing time strings in OPAL
- All OPAL functions
- OPAL Functions By Category
  - OPAL Aggregate Functions
    - any
    - any_not_null
    - array_agg
    - array_agg_distinct
    - array_union_agg
    - avg
    - count
    - count_distinct
    - count_distinct_exact
    - delta
    - delta_monotonic
    - deriv
    - first
    - first_not_null
    - hash_agg
    - hash_agg_distinct
    - histogram_combine
    - last
    - last_not_null
    - max
    - median
    - median_exact
    - min
    - object_agg
    - otel_exponential_histogram_sum
    - otel_histogram_sum
    - percentile
    - percentile_cont
    - percentile_disc
    - prom_quantile
    - rate
    - stddev
    - string_agg
    - string_agg_distinct
    - sum
    - tdigest_agg
    - tdigest_combine
    - topk_agg
  - OPAL Boolean Functions
    - array_contains
    - arrays_overlap
    - bool
    - bool_null
    - contains
    - ends_with
    - eq
    - gt
    - gte
    - in
    - ipv4_address_in_network
    - is_null
    - like
    - lt
    - lte
    - match_regex
    - ne
    - path_exists
    - same
    - search
    - starts_with
  - OPAL Misc Functions
    - asc
    - coalesce
    - desc
    - exponential_histogram_null
    - float64
    - frame
    - frame_exact
    - frame_following
    - frame_preceding
    - hash
    - histogram_null
    - histogram_quantile
    - if
    - if_null
    - int64
    - m_exponential_histogram
    - m_histogram
    - m_tdigest
    - nullsfirst
    - nullslast
    - numeric_null
    - on
    - order_by
    - parse_hex
    - strlen
    - tdigest
    - tdigest_null
    - variant_null
  - OPAL Networking Functions
  - OPAL Numeric Functions
    - abs
    - arccos_deg
    - arccos_rad
    - arcsin_deg
    - arcsin_rad
    - arctan_deg
    - arctan_rad
    - avg
    - ceil
    - cos_deg
    - cos_rad
    - count
    - degrees
    - delta
    - delta_monotonic
    - dense_rank
    - deriv
    - ewma
    - exp
    - float64_null
    - floor
    - haversine_distance_km
    - int64_null
    - int_div
    - ln
    - log
    - median
    - median_exact
    - mod
    - percentile
    - percentile_cont
    - percentile_disc
    - pi
    - pow
    - prom_quantile
    - radians
    - rank
    - rate
    - round
    - row_number
    - sin_deg
    - sin_rad
    - sqrt
    - stddev
    - sum
    - tan_deg
    - tan_rad
    - uniform
    - width_bucket
    - zipf
  - OPAL Regex Functions
  - OPAL Semistructured Functions
  - OPAL Special Functions
    - case
    - group_by
    - m
    - metric
    - options
    - primary_key
    - pk
    - tags
    - valid_for
    - window
  - OPAL String Functions
    - array_to_string
    - check_json
    - concat_strings
    - contains
    - decode_base64
    - decode_uri
    - decode_uri_component
    - detect_browser
    - editdistance
    - embed_sql_params
    - encode_base64
    - encode_uri
    - encode_uri_component
    - ends_with
    - format_time
    - get_regex
    - int64_to_ipv4
    - ipv4_address_in_network
    - label
    - left
    - like
    - lower
    - lpad
    - ltrim
    - parse_csv
    - parse_kvs
    - parse_timestamp
    - pivot_array
    - position
    - regex
    - replace
    - replace_regex
    - right
    - rpad
    - rtrim
    - sha2
    - split
    - split_part
    - starts_with
    - string
    - string_agg
    - string_agg_distinct
    - string_null
    - substring
    - tokenize
    - tokenize_part
    - trim
    - unpivot_array
    - upper
    - variant_type_name
  - OPAL Time Functions
    - abs
    - avg
    - bin_end_time
    - bin_size
    - bin_start_time
    - delta
    - delta_monotonic
    - deriv
    - duration
    - duration_hr
    - duration_min
    - duration_ms
    - duration_null
    - duration_sec
    - ewma
    - format_time
    - from_milliseconds
    - timestamp_ms
    - from_nanoseconds
    - timestamp_ns
    - from_seconds
    - timestamp_s
    - histogram_fraction
    - median
    - median_exact
    - now
    - parse_duration
    - parse_isotime
    - parse_timestamp
    - percentile
    - percentile_cont
    - percentile_disc
    - query_end_time
    - query_start_time
    - rate
    - row_end_time
    - row_timestamp
    - row_start_time
    - stddev
    - sum
    - tdigest_agg
    - tdigest_quantile
    - timestamp_null
    - to_days
    - to_hours
    - to_milliseconds
    - to_minutes
    - to_nanoseconds
    - to_seconds
    - to_weeks
    - valid_for
  - OPAL Window Functions
    - any
    - any_not_null
    - array_union_agg
    - avg
    - count
    - count_distinct
    - count_distinct_exact
    - delta
    - delta_monotonic
    - dense_rank
    - deriv
    - ewma
    - first
    - first_not_null
    - hash_agg
    - hash_agg_distinct
    - lag
    - lag_not_null
    - last
    - last_not_null
    - lead
    - lead_not_null
    - max
    - median
    - median_exact
    - min
    - object_agg
    - percentile
    - percentile_cont
    - percentile_disc
    - rank
    - rate
    - row_number
    - stddev
    - sum
    - tdigest_agg
    - tdigest_combine
    - topk_agg
  - OPAL Deprecated Function Aliases
    - any_null
    - array_pivot
    - array_unpivot
    - countdistinct
    - countdistinctexact
    - decodebase64
    - denserank
    - encodebase64
    - endswith
    - groupby
    - ifnull
    - isnull
    - makeobject
    - match_regex_all
    - medianexact
    - milliseconds
    - nanoseconds
    - orderby
    - parsehex
    - parseip
    - parseisotime
    - parsejson
    - parsekvs
    - parseurl
    - percentilecont
    - percentiledisc
    - primarykey
    - queryendtime
    - querystarttime
    - regex_match
    - regex_replace
    - row_endtime
    - rownumber
    - seconds
    - startswith
    - strcat
    - string_concat
    - validfor
- All OPAL verbs
- OPAL Verbs By Category
  - OPAL Aggregate Verbs
    - aggregate
    - align
    - dedup
    - distinct
    - fill
    - histogram
    - make_reference
    - make_session
    - merge_events
    - pivot
    - rollup
    - statsby
    - timechart
    - bucketize
    - timestats
    - unpivot
  - OPAL Filter Verbs
    - always
    - bottomk
    - ever
    - filter
    - filter_last
    - limit
    - never
    - topk
  - OPAL Join Verbs
    - exists
    - follow
    - follow_not
    - fulljoin
    - join
    - leftjoin
    - lookup
    - lookup_ip_info
    - not_exists
    - surrounding
    - union
    - update_resource
  - OPAL Metadata Verbs
  - OPAL Metrics Verbs
    - aggregate
    - align
    - make_metric
    - rollup
    - set_metric
    - timeshift
  - OPAL Projection Verbs
  - OPAL Semistructured Verbs
  - OPAL Deprecated Verb Aliases
    - addfk
    - addkey
    - addmetric
    - changelog
    - coldrop
    - colenum
    - colimmutable
    - colmake
    - colpick
    - colregex
    - colrename
    - colshow
    - droptime
    - fkdrop
    - flattenall
    - flattenleaves
    - flattensingle
    - makeresource
    - makesession
    - merge_event
    - mergeevent
    - reaggregate
    - setlabel
    - setpk
    - setvf
    - setvt
OPAL tutorials
- OPAL 101 – Get started with OPAL
- OPAL 102 – Shape structured and unstructured data using stages
OPAL performance cookbook
OPAL helpful hints

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