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Query - Feature Service (Operation)
URL http://<featurelayer-url>/query
Parent Resource Layer
Required Capability Query

Description

The query operation is performed on a feature service layer resource. The result of this operation is either a feature set or an array of feature ids (if returnIdsOnly is set to true).

Note that while there is a limit on the number of features included in the feature set response, there is no limit on the number of object IDs returned in the ID array response. Clients can exploit this to get all the query conforming object IDs by specifying returnIdsOnly=true and subsequently requesting feature sets for subsets of object IDs.

In the feature set response, the layer features will include their geometries. The records for tables will not.

For time-aware layers, users can use the time parameter to specify the time instant or the time extent to query.

You can provide arguments to the query operation as query parameters defined in the parameters table below.

Parameters

Parameter Details
f Description: The response format. The default response format is html.

Values: html | json | amf (default, when returnIdsOnly=false and returnCountOnly=false)

Values: html | json (when returnIdsOnly=true or returnCountOnly=true)
where Description: A where clause for the query filter. Any legal SQL where clause operating on the fields in the layer is allowed.

Example: where=POP2000 > 350000
objectIds Description: The object IDs of this layer / table to be queried.

Syntax: objectIds=<objectId1>, <objectId2>

Example: objectIds=37, 462
geometry Description: The geometry to apply as the spatial filter. The structure of the geometry is the same as the structure of the json geometry objects returned by the ArcGIS REST API. In addition to the JSON structures, for envelopes and points, you can specify the geometry with a simpler comma-separated syntax.

Syntax:
  • JSON structures: geometryType=<geometryType>&geometry={geometry}
  • Envelope simple syntax: geometryType=esriGeometryEnvelope&geometry=<xmin>,<ymin>,<xmax>,<ymax>
  • Point simple syntax: geometryType=esriGeometryPoint&geometry=<x>,<y>
Examples:
  • geometryType=esriGeometryEnvelope&geometry={xmin: -104, ymin: 35.6, xmax: -94.32, ymax: 41}
  • geometryType=esriGeometryEnvelope&geometry=-104,35.6,-94.32,41
  • geometryType=esriGeometryPoint&geometry=-104,35.6
geometryType Description: The type of geometry specified by the geometry parameter. The geometry type can be an envelope, point, line, or polygon. The default geometry type is an envelope.

Values: esriGeometryPoint | esriGeometryMultipoint | esriGeometryPolyline | esriGeometryPolygon | esriGeometryEnvelope
inSR Description: The spatial reference of the input geometry.

The spatial reference can be specified as either a well-known ID or as a spatial reference json object.

If the inSR is not specified, the geometry is assumed to be in the spatial reference of the map.
spatialRel Description: The spatial relationship to be applied on the input geometry while performing the query. The supported spatial relationships include intersects, contains, envelope intersects, within, etc. The default spatial relationship is intersects (esriSpatialRelIntersects).

Values: esriSpatialRelIntersects | esriSpatialRelContains | esriSpatialRelCrosses | esriSpatialRelEnvelopeIntersects | esriSpatialRelIndexIntersects | esriSpatialRelOverlaps | esriSpatialRelTouches | esriSpatialRelWithin | esriSpatialRelRelation
relationParam Description: The spatial relate function that can be applied while performing the query operation. An example for this spatial relate function is "FFFTTT***".

For more information on this spatial relate function please refer to the documentation for the spatial relate function.
time Description: The time instant or the time extent to query.

Time instant

Syntax: time=<timeInstant>
Example: time=1199145600000 (1 Jan 2008 00:00:00 GMT)

Time extent

Syntax: time=<startTime>, <endTime>
Example: time=1199145600000, 1230768000000 (1 Jan 2008 00:00:00 GMT to 1 Jan 2009 00:00:00 GMT)
A null value specified for start time or end time will represent infinity for start or end time respectively.
outFields Description: The list of fields to be included in the returned resultset. This list is a comma delimited list of field names.

You can also specify the wildcard "*" as the value of this parameter. In this case, the query results include all the field values.

Note that the wildcard also implicitly implies returnGeometry=true and setting returnGeometry to false will have no effect.

Example: outFields=AREANAME,ST,POP2000
Example (wildcard usage): outFields=*
returnGeometry //This option was added at 10.1

Description: If true, the result includes the geometry associated with each feature returned. The default is true.

Note that if the outFields parameter is set to the wildcard "*", it implicitly implies returnGeometry=true and setting returnGeometry to false has no effect.

Values: true | false
maxAllowableOffset //This option was added at 10.1

Description: This option can be used to specify the maxAllowableOffset to be used for generalizing geometries returned by the query operation.

The maxAllowableOffset is in the units of the outSR. If outSR is not specified then maxAllowableOffset is assumed to be in the unit of the spatial reference of the map.

Example: maxAllowableOffset=2
geometryPrecision //This option was added at 10.1

Description: This option can be used to specify the number of decimal places in the response geometries returned by the query operation.

This applies to X and Y values only (not m or z-values).

Example: geometryPrecision=3
outSR Description: The spatial reference of the returned geometry.

The spatial reference can be specified as either a well-known ID or as a spatial reference json object.

If outSR is not specified, the geometry is returned in the spatial reference of the map.
gdbVersion //This option was added at 10.1

Description: GeoDatabase version to query. This parameter applies only if isDataVersioned property of the layer is true.
If this is not specified, query will apply to published map’s version.

Syntax: 
gdbVersion=<version>
Example: 
gdbVersion=SDE.DEFAULT
returnIdsOnly Description: If true, the response only includes an array of object IDs. Otherwise the response is a feature set. The default is false.

Note that while there is a limit on the number of features included in the feature set response, there is no limit on the number of object IDs returned in the ID array response. Clients can exploit this to get all the query conforming object IDs by specifying returnIdsOnly=true and subsequently requesting feature sets for subsets of object IDs.

Note that when objectIds are specified, setting this parameter to true is invalid.

Values: false | true
returnCountOnly //This option was added at 10.0 SP1

Description: If true, the response only includes the count (number of features / records) that would be returned by a query. Otherwise the response is a feature set. The default is false. This option supersedes the returnIdsOnly parameter.

Values: false | true
orderByFields //This option was added at 10.1

Description: One or more field names using which the features/records need to be ordered. Use ASC or DESC, for ascending or descending respectively, following every field to control the ordering.

Note:
orderByFields is supported on only those layers / tables that indicate supportsAdvancedQueries is true.
orderByFields defaults to ASC (ascending order) if <ORDER> is unspecified.

Syntax: orderByFields=field1 <ORDER>, field2 <ORDER>, field3 <ORDER>
Example: orderByFields=STATE_NAME ASC, RACE DESC, GENDER
groupByFieldsForStatistics //This option was added at 10.1

Description: One or more field names using which the values need to be grouped for calculating the statistics.

Note: groupByFieldsForStatistics is valid only when outStatistics parameter is used.

Syntax: groupByFieldsForStatistics=field1, field2
Example: groupByFieldsForStatistics=STATE_NAME, GENDER
outStatistics //This option was added at 10.1

Description: The definitions for one or more field-based statistic to be calculated.

Note:
  • outStatistics is supported on only those layers / tables that indicate suppportsStatistics is true.
  • If outStatisticFieldName is empty or missing, then map server would assign a field name to the returned statistic field. A valid field name can only contain alpha-numberic characters and an underscore.
  • When using outStatistics the only other parameters that will be used are groupByFieldsForStatistics, orderByFields, text, time, and where.


Values: An array of statistic definitions. A statistic definition specifies the type of statistic, the field on which it is to be calculated, and the resulting output field name.

Syntax: 
[
  {
    "statisticType": "<count | sum | min | max | avg | stddev | var>",
    "onStatisticField": "Field1", 
    "outStatisticFieldName": "Out_Field_Name1"
  },
  {
    "statisticType": "<count | sum | min | max | avg | stddev | var>",
    "onStatisticField": "Field2",
    "outStatisticFieldName": "Out_Field_Name2"
  }  
]
Example: 
[
  {
    "statisticType": "sum",
    "onStatisticField": "GENDER",
    "outStatisticFieldName": "PopulationByGender"
  },
  {
    "statisticType": "avg",
    "onStatisticField": "INCOME",
    "outStatisticFieldName": "AverageIncome"
  }
]
returnZ //This option was added at 10.1

Description: If true, Z values will be included in the results if the features have Z values. Otherwise Z values are not returned. The default is false.

Note this parameter only applies if returnGeometry is true.
returnM //This option was added at 10.1

Description: If true, M values will be included in the results if the features have M values. Otherwise M values are not returned. The default is false.

Note this parameter only applies if returnGeometry is true.

Example Usage

Example 1: Query using a WHERE clause http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Earthquakes/EarthquakesFromLastSevenDays/FeatureServer/0/query?where=magnitude+%3E+4.5&outFields=*&returnGeometry=true&returnIdsOnly=false&f=html

Example 2: Query a table using a WHERE clause and return OBJECTIDs only http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/SanFrancisco/311Incidents/FeatureServer/1/query?where=agree_with_incident+%3D+1&returnGeometry=true&returnIdsOnly=true&f=html

JSON Response Syntax (when returnIdsOnly=false and returnCountOnly=false)

{
"objectIdFieldName" : "<objectIdFieldName>",
"globalIdFieldName" : "<globalIdFieldName>",
"geometryType" : "<geometryType>", //for feature layers only
"spatialReference" : <spatialReference>, //for feature layers only
"hasZ" : <true|false>, //added in 10.1
"hasM" : <true|false>, //added in 10.1
"fields" : [
    {"name" : "<fieldName1>", "type" : "<fieldType1>", "alias" : "<fieldAlias1>", "length" : "<length1>"},
    {"name" : "<fieldName2>", "type" : "<fieldType2>", "alias" : "<fieldAlias2>", "length" : "<length2>"}
],
"features" : [ //features will include geometry for feature layers only
  <feature1>, <feature2> 
]
}

JSON Response Syntax (when returnCountOnly=true)

{
"count" : <count>
}

JSON Response Syntax (when returnIdsOnly=true)

{
"objectIdFieldName" : "<objectIdFieldName>",
"objectIds" : [ <objectId1>, <objectId2> ]
}

JSON Response Example (when returnIdsOnly=false and returnCountOnly=false)

{
  "objectIdFieldName" : "objectid",
  "globalIdFieldName" : "",
  "geometryType" : "esriGeometryPoint",
  "spatialReference" : {
    "wkid" : 4326
  },
    "fields" : [
    {
      "name" : "objectid", 
      "type" : "esriFieldTypeOID", 
      "alias" : "Object ID"
    }, 
    {
      "name" : "datetime", 
      "type" : "esriFieldTypeDate", 
      "alias" : "Earthquake Date",
      "length" : 36
    }, 
    {
      "name" : "depth", 
      "type" : "esriFieldTypeDouble", 
      "alias" : "Depth"
    }, 
    {
      "name" : "eqid", 
      "type" : "esriFieldTypeString", 
      "alias" : "Earthquake ID",
      "length" : 50
    }, 
    {
      "name" : "latitude", 
      "type" : "esriFieldTypeDouble", 
      "alias" : "Latitude"
    }, 
    {
      "name" : "longitude", 
      "type" : "esriFieldTypeDouble", 
      "alias" : "Longitude"
    }, 
    {
      "name" : "magnitude", 
      "type" : "esriFieldTypeDouble", 
      "alias" : "Magnitude"
    }, 
    {
      "name" : "numstations", 
      "type" : "esriFieldTypeInteger", 
      "alias" : "Number of Stations"
    }, 
    {
      "name" : "region", 
      "type" : "esriFieldTypeString", 
      "alias" : "Region", 
      "length" : 200
    }, 
    {
      "name" : "source", 
      "type" : "esriFieldTypeString", 
      "alias" : "Source", 
      "length" : 50
    }, 
    {
      "name" : "version", 
      "type" : "esriFieldTypeString", 
      "alias" : "Version",
      "length" : 50
    }
  ],
  "features" : [
    {
      "geometry" : {
        "x" : -178.24479999999991,
        "y" : 50.012500000000045
      },
      "attributes" : {
        "objectid" : 3745682,
        "datetime" : 1272210710000,
        "depth" : 31.100000000000001,
        "eqid" : "2010vma5",
        "latitude" : 50.012500000000003,
        "longitude" : -178.2448,
        "magnitude" : 4.7999999999999998,
        "numstations" : 112,
        "region" : "Andreanof Islands, Aleutian Islands, Alaska",
        "source" : "us",
        "version" : "Q"
      }
    },
    {
      "geometry" : {
        "x" : -72.865099999999927,
        "y" : -37.486599999999953
      },
      "attributes" : {
        "objectid" : 3745685,
        "datetime" : 1272210142999,
        "depth" : 40.600000000000001,
        "eqid" : "2010vma4",
        "latitude" : -37.486600000000003,
        "longitude" : -72.865099999999998,
        "magnitude" : 4.9000000000000004,
        "numstations" : 58,
        "region" : "Bio-Bio, Chile",
        "source" : "us",
        "version" : "7"
      }
    }
  ]
}

JSON Response Example (when returnIdsOnly=false, returnCountOnly=false and outFields="") 

{
  "objectIdFieldName" : "objectid",
  "globalIdFieldName" : "",
  "geometryType" : "esriGeometryPoint",
  "spatialReference" : {
    "wkid" : 4326
  },
  "fields" : [
    
  ],
  "features" : [
    {
      "geometry" : {
        "x" : 237.17180000000008,
        "y" : 38.844700000000046
      },
      "attributes" : {
        
      }
    },
    {
      "geometry" : {
        "x" : 242.89430000000004,
        "y" : 34.559200000000089
      },
      "attributes" : {
        
      }
    }
  ]
}

JSON Response Example (when returnIdsOnly=false, returnCountOnly=false, outFields="" and geometryPrecision=3) 

{
  "objectIdFieldName" : "objectid",
  "globalIdFieldName" : "",
  "geometryType" : "esriGeometryPoint",
  "spatialReference" : {
    "wkid" : 4326
  },
  "fields" : [
    
  ],
  "features" : [
    {
      "geometry" : {
        "x" : 237.172,
        "y" : 38.845
      },
      "attributes" : {
        
      }
    },
    {
      "geometry" : {
        "x" : 242.894,
        "y" : 34.559
      },
      "attributes" : {
        
      }
    }
  ]
}

JSON Response Example (when returnIdsOnly=true)

{
"objectIdFieldName" : "objectid", 
 "objectIds" : [1, 2, 3, 4, 5, 7]
}

JSON Response Example (when returnCountOnly=true)

{
"count":48
}