Query Fields#
Datasets#
Basic Fields#
Name |
Aliases |
Description |
Comparators |
Sortable |
---|---|---|---|---|
|
N/A |
ISO8601 timestamp when the dataset was created. |
|
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|
N/A |
User who created the dataset. |
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|
A |
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|
N/A |
Freetext human-readable description of the dataset. |
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|
N/A |
The unique ID of the device which created the dataset, or null if created by a human user. |
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|
N/A |
Custom key-value pairs added by users to categorize the dataset. |
Other - See (1) |
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|
N/A |
ISO8601 timestamp when the dataset was last modified. |
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|
N/A |
User who last modified the dataset. |
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N/A |
A short name for this dataset. |
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N/A |
Org which owns the dataset. |
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|
N/A |
Custom string tags added by users to categorize the dataset. |
|
|
Metadata queries require you to continue the field with
.keyname
, and the supported comparators depend on the type of the metadata value.
Entity References#
files[0]
- Used to reference a file which belongs to a dataset
topics[0]
- Used to reference a topic which belongs to any file in a dataset
Files#
Basic Fields#
Name |
Aliases |
Description |
Comparators |
Sortable |
---|---|---|---|---|
|
|
Unique ID of the resource which the file belongs to. |
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|
N/A |
ISO8601 timestamp when the file was uploaded. |
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|
N/A |
User who uploaded the file. |
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|
N/A |
Freetext human-readable description of the file and its contents. |
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|
N/A |
The unique ID of the device which uploaded the file, or null if uploaded by a human user. |
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|
|
Unique ID for the file. |
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|
N/A |
Custom key-value pairs added by users to categorize the file. |
Other - See (1) |
|
|
N/A |
ISO8601 timestamp when the file was last modified. |
|
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|
N/A |
User who last modified the file. |
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|
N/A |
Org which owns the file. |
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|
N/A |
String which describes the client and user which uploaded the file. |
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|
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Full path to the file in the context of its associated resource. |
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|
N/A |
File size in bytes |
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|
N/A |
Lifecycle status of the file. |
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|
N/A |
Custom string tags added by users to categorize the file. |
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|
N/A |
Unique ID of the upload transaction responsible for this file. |
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|
N/A |
The URI of the file. |
|
|
Metadata queries require you to continue the field with
.keyname
, and the supported comparators depend on the type of the metadata value.
Entity References#
dataset
- Used to reference the one and only dataset a file belongs to
topics[0]
- Used to reference a topic which belongs to a file
Topics#
Basic Fields#
Name |
Aliases |
Description |
Comparators |
Sortable |
---|---|---|---|---|
|
|
Unique ID of the resource which the topic belongs to. |
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|
N/A |
Type of the resource which the topic belongs to. |
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|
N/A |
ISO8601 timestamp when the topic was created. |
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|
N/A |
User who created the topic. |
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|
N/A |
Epoch nanosecond timestamp of the last message in the topic. |
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|
N/A |
The number of messages in the topic. |
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|
N/A |
Custom key-value pairs added by users to categorize the topic. |
Other - See (1) |
|
|
N/A |
ISO8601 timestamp when the topic was last modified. |
|
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|
N/A |
User who last modified the topic. |
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|
|
Reference a single property within a complex topic, e.g. |
Other - See (2) |
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|
N/A |
Org which owns the topic. |
|
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|
N/A |
Deterministic checksum version of a schema. |
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|
N/A |
Name of the schema used to serialize messages in the topic. |
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|
N/A |
Monotonically increasing version of a schema. |
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|
N/A |
Epoch nanosecond timestamp of the first message in the topic. |
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|
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Unique numeric ID for the topic. |
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|
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Name for the topic. |
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|
Metadata queries require you to continue the field with
.keyname
, and the supported comparators depend on the type of the metadata value.Message paths follow entity reference syntax
Entity References#
dataset
- Used to reference the one and only dataset a topic belongs to
file
- Used to reference the one and only file a topic belongs to
msgpaths[topic_name.full.message.path]
- Used to reference an individual field within a topic. msgpaths
queries also
require a property to be specified at the end, such as the min/mean/max: msgpaths[cpuload.load].mean > 0
Message Paths#
Basic Fields#
Name |
Aliases |
Description |
Comparators |
Sortable |
---|---|---|---|---|
|
N/A |
Well-known (and simplified) data types, normalized across frameworks/technologies. |
|
|
|
N/A |
ISO8601 timestamp when the message path was created. |
|
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|
N/A |
User who created the message path. |
|
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|
N/A |
‘Native’/framework-specific data type of the attribute at this path. E.g. ‘float32’, ‘uint8[]’, ‘geometry_msgs/Pose’, ‘string’. |
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|
|
Dot-delimited path to an attribute within a topic datum record. |
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|
|
|
Unique numeric ID for the message path. |
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|
N/A |
Custom key-value pairs added by users to categorize the topic.msgpath. |
Other - See (1) |
|
|
N/A |
ISO8601 timestamp when the message path was last modified. |
|
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|
N/A |
User who last modified the message path. |
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|
N/A |
Unique numeric ID for the topic to which this message path is associated. |
|
|
Metadata queries require you to continue the field with
.keyname
, and the supported comparators depend on the type of the metadata value.
Pre-computed statistics for message paths can also be accessed via the metadata
field, for example metadata.max
and metadata.mean
.
Entity References#
dataset
- Used to reference the one and only dataset a message path belongs to
file
- Used to reference the one and only file a message path belongs to
topic
- Used to reference the one and only topic a message path belongs to
Events#
Basic Fields#
Name |
Aliases |
Description |
Comparators |
Sortable |
---|---|---|---|---|
|
|
ISO8601 timestamp when the event was created. |
|
|
|
N/A |
User who created the event. |
|
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|
N/A |
Free-text description of the event. |
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|
N/A |
UTC timestamp of the end of the event. |
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|
Unique ID for the event. |
|
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|
N/A |
Custom key-value pairs added by users to categorize the event. |
Other - See (1) |
|
|
|
ISO8601 timestamp when the event was last modified. |
|
|
|
N/A |
User who last modified the event. |
|
|
|
|
Friendly name for the event. |
|
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|
N/A |
Org which owns the event. |
|
|
|
N/A |
UTC timestamp of the start of the event. |
|
|
|
N/A |
Custom string tags added by users to categorize the event. |
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