DQL Data Query (Legacy)¶
POST /api/v1/df/query_data
Overview¶
DQL Data Query
Query Request Parameters¶
| Parameter Name | Type | Required | Description |
|---|---|---|---|
| body | string | DQL query query structure Allow empty: False |
|
| queries_body | string | DQL query query structure (This parameter was deprecated on 2023-08-11) Allow empty: False |
|
| search_after | string | Pagination query request parameter (This parameter was deprecated on 2023-08-11) Allow empty: False |
Parameter Supplementary Explanation¶
Query Explanation
- Query string element field description
| Parameter Name | Type | Required | Description |
|---|---|---|---|
| body | string | Y | Query request body |
| queries_body[*] | string | (Legacy parameter, deprecated on 2023-08-10) Query list | |
| search_after | string | (Legacy parameter, deprecated on 2023-08-10, new parameter location moved to the query structure) Query pagination data. The first query defaults to [], when more pagination data needs to be queried, add the search_after field from the last query result to query subsequent data |
- JSON structure parameter description in body
| Parameter Name | Type | Required | Description |
|---|---|---|---|
| queries | array | Y | Multi-command query, its content is a list of query objects |
| fieldTagDescNeeded | boolean | Whether field or tag description information is needed |
- queries[*] member parameter structure description
| Parameter Name | Type | Required | Description |
|---|---|---|---|
| qtype | string | Y | Type of query statement dql: indicates DQL type query statement; promql: indicates PromQL type query statement |
| query | json | Y | Query structure |
| query.q | string | Query statement consistent with the qtype type, e.g., DQL or PromQL query statement | |
| query.ignore_cache | boolean | Whether the query disables cache, defaults to false, meaning use cache | |
| query.promqlType | enum | Effective when qtype=promql, the query type of PromQL, optional values instantQuery and rangeQuery, default value is rangeQuery |
|
| query.highlight | boolean | Whether to display highlighted data | |
| query.timeRange | array | Timestamp list of the time range | |
| query.disableMultipleField | bool | Whether to enable single-column mode, defaults to true |
|
| query.showLabel | bool | Whether to display object labels, default is none | |
| query.funcList | array | Re-aggregation modifies the DQL return value, note: when disableMultipleField=False, this parameter is invalid | |
| query.slimit | integer | Time series grouping size, only effective for Metrics queries | |
| query.soffset | integer | Time series grouping offset | |
| query.limit | integer | Pagination size | |
| query.offset | integer | Pagination offset | |
| query.orderby | array | Sort list, {fieldName:method}, note: sorting for Measurement queries only supports fieldName=time; method in ["desc", "asc"]; note: sorting for Measurement queries only supports fieldName=time |
|
| query.density | string | Response point density, priority is lower than autoDensity and higher than the density set in the DQL statement | |
| query.interval | integer | Unit is seconds, time slice interval, used to calculate the number of response points; if the calculated number of points is less than or equal to the number of points when density=high, it is effective, otherwise invalid | |
| query.search_after | array | Pagination marker, returned by the current interface, used to be passed in the next request | |
| query.maxPointCount | integer | Maximum number of points | |
| query.workspaceUUID | string | The uuid of the workspace to query, "*" means query all authorized workspaces, refer to the interface /wksp_share/granted_ws_list for viewable spaces | |
| query.workspaceUUIDs | array | The uuids of the workspaces to query, priority is higher than query.workspaceUUID. ["*"] means query all authorized workspaces, refer to the interface /wksp_share/granted_ws_list for viewable spaces | |
| query.targetRegion | string | When the specified query workspace is ["*"], this field is mandatory | |
| query.output_format | string | lineprotocol: Line protocol output, if not filled by default, the existing output format remains unchanged by default | |
| query.cursor_time | integer | Segmented query threshold: For the first segmented query, cursor_time needs to be set to end_time; for subsequent segmented queries, cursor_time needs to be set to the next_cursor_time in the response | |
| query.cursor_token | string | Pagination query token (value of cursor_token returned by the engine): For pagination queries, the next_cursor_token returned from the last query needs to be set as the cursor_token for this query; requests without cursor_token may cause data with the same timestamp to be skipped when paginating. | |
| query.disable_sampling | bool | Sampling disable switch, default value is false |
- Response point density
densityparameter value description
| Optional Value | Description |
|---|---|
| lower | Lower, 60 points |
| low | Low, 180 points |
| medium | Medium, 360 points |
| high | Low, 720 points |
-
Note the priority of the point density parameter, maximum density
density[high]* maxPointCount > interval > density > control parameters in the DQL statement -
Common Query Explanations
Note: When using the openapi interface for data query, the default role is Administrator. Note that it may be restricted by Data Access Rules.
Request Example¶
curl 'https://openapi.guance.com/api/v1/df/query_data?body=\{%22queries%22:\[\{%22uuid%22:%2205ea25f0-2fa3-11ee-aa03-57233270ef0c%22,%22qtype%22:%22dql%22,%22query%22:\{%22q%22:%22L::re(`.*`):(`*`)\{+`index`+IN+\[%27default%27\]+\}%22,%22highlight%22:true,%22limit%22:50,%22orderby%22:\[\{%22time%22:%22desc%22\}\],%22_funcList%22:\[\],%22funcList%22:\[\],%22disableMultipleField%22:false,%22align_time%22:false,%22is_optimized%22:true,%22offset%22:0,%22search_after%22:\[1690808645037,538070,%22L_1690808645037_cj3r2itnel8fnfu5tlag%22\],%22timeRange%22:\[1690807857000,1690808757999\],%22tz%22:%22Asia/Shanghai%22\}\}\],%22expensiveQueryCheck%22:true\}' \
-H 'DF-API-KEY: <DF-API-KEY>' \
--compressed
Response¶
{
"code": 200,
"content": {
"data": [
{
"AsyncTaskPayload": null,
"async_id": "",
"column_names": [
"container_id",
"source",
"filepath",
"image",
"index",
"df_metering_size",
"__namespace",
"host",
"log_read_offset",
"__docid",
"filename",
"service",
"image_name",
"image_short_name",
"image_tag",
"log_read_lines",
"message",
"log_read_time",
"container_name",
"container_type",
"message_length",
"create_time",
"container_runtime_name",
"date_ns",
"status"
],
"complete": false,
"cost": "19ms",
"index_name": "",
"index_names": "",
"index_store_type": "es",
"is_running": false,
"points": null,
"query_type": "",
"raw_query": "{\\\"aggs\\\":{},\\\"_source\\\":{\\\"excludes\\\":[\\\"message@json\\\"],\\\"includes\\\":[]},\\\"query\\\":{\\\"bool\\\":{\\\"filter\\\":[{\\\"term\\\":{\\\"__namespace\\\":\\\"logging\\\"}},{\\\"range\\\":{\\\"date\\\":{\\\"gte\\\":\\\"1680187562081\\\",\\\"lte\\\":\\\"1680230762081\\\"}}},{\\\"bool\\\":{\\\"should\\\":[{\\\"terms\\\":{\\\"index\\\":[\\\"default\\\"]}}]}}]}},\\\"size\\\":50,\\\"sort\\\":[{\\\"date\\\":{\\\"missing\\\":\\\"_last\\\",\\\"order\\\":\\\"desc\\\",\\\"unmapped_type\\\":\\\"long\\\"}},{\\\"date_ns\\\":{\\\"missing\\\":\\\"_last\\\",\\\"order\\\":\\\"desc\\\",\\\"unmapped_type\\\":\\\"long\\\"}},{\\\"__docid\\\":{\\\"missing\\\":\\\"_first\\\",\\\"order\\\":\\\"desc\\\",\\\"unmapped_type\\\":\\\"string\\\"}}],\\\"search_after\\\":[1680226330509,8572,\\\"L_1680226330509_cgj4hqbrhi85kl1m6os0\\\"],\\\"timeout\\\":\\\"54s\\\"}",
"search_after": [
1680226330508,
82936,
"L_1680226330508_cgj4hbdepb7fcn07sf60"
],
"series": [
{
"columns": [
"container_id",
"time",
"source",
"filepath",
"image",
"index",
"df_metering_size",
"__namespace",
"host",
"log_read_offset",
"__docid",
"filename",
"service",
"image_name",
"image_short_name",
"image_tag",
"log_read_lines",
"message",
"log_read_time",
"container_name",
"container_type",
"message_length",
"create_time",
"container_runtime_name",
"date_ns",
"status"
],
"values": [
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],
"total_hits": 10000
}
]
},
"errorCode": "",
"message": "",
"success": true,
"traceId": "TRACE-CD50CBBD-E29B-4F58-BD6B-618EED50920A"
}