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feat(datastore): Datastore query profiling samples #3742

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merged 11 commits into from
May 21, 2024
Merged

feat(datastore): Datastore query profiling samples #3742

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129a439
feat(datastore): Datastore query profiling samples
bhshkh Jan 17, 2024
caf5062
feat(datastore): Write to io.writer
bhshkh Jan 17, 2024
734d04c
Merge branch 'GoogleCloudPlatform:main' into feature/ds-query-profiling
bhshkh Mar 18, 2024
2adcb7d
feat(datastore): Datastore query profiling samples
bhshkh Mar 18, 2024
9998b62
feat(datastore): Change run to runWithOptions
bhshkh Apr 9, 2024
ed881c7
Merge branch 'GoogleCloudPlatform:main' into feature/ds-query-profiling
bhshkh May 12, 2024
cff4ea4
feat(bigtable): Added aggregation samples
bhshkh May 12, 2024
8d539d1
fix(datastore): Fix go.mod
bhshkh May 14, 2024
f56f933
fix(datastore): update go.sum
bhshkh May 14, 2024
d7a6b67
Merge branch 'GoogleCloudPlatform:main' into feature/ds-query-profiling
bhshkh May 14, 2024
317edad
Merge branch 'main' into feature/ds-query-profiling
bhshkh May 21, 2024
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24 changes: 12 additions & 12 deletions datastore/go.mod
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -3,20 +3,20 @@ module github.com/GoogleCloudPlatform/golang-samples/datastore
go 1.19

require (
cloud.google.com/go/datastore v1.15.0
cloud.google.com/go/datastore v1.17.0
github.com/GoogleCloudPlatform/golang-samples v0.0.0-20240111005027-4c7a1933dce2
google.golang.org/api v0.176.1
google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de
google.golang.org/api v0.178.0
google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda
)

require (
cloud.google.com/go v0.112.0 // indirect
cloud.google.com/go v0.112.2 // indirect
cloud.google.com/go/auth v0.3.0 // indirect
cloud.google.com/go/auth/oauth2adapt v0.2.2 // indirect
cloud.google.com/go/compute/metadata v0.3.0 // indirect
cloud.google.com/go/iam v1.1.6 // indirect
cloud.google.com/go/longrunning v0.5.5 // indirect
cloud.google.com/go/storage v1.36.0 // indirect
cloud.google.com/go/iam v1.1.7 // indirect
cloud.google.com/go/longrunning v0.5.7 // indirect
cloud.google.com/go/storage v1.39.1 // indirect
github.com/felixge/httpsnoop v1.0.4 // indirect
github.com/go-logr/logr v1.4.1 // indirect
github.com/go-logr/stdr v1.2.2 // indirect
Expand All @@ -25,7 +25,7 @@ require (
github.com/google/s2a-go v0.1.7 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
github.com/googleapis/gax-go/v2 v2.12.3 // indirect
github.com/googleapis/gax-go/v2 v2.12.4 // indirect
go.opencensus.io v0.24.0 // indirect
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0 // indirect
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.49.0 // indirect
Expand All @@ -34,13 +34,13 @@ require (
go.opentelemetry.io/otel/trace v1.24.0 // indirect
golang.org/x/crypto v0.22.0 // indirect
golang.org/x/net v0.24.0 // indirect
golang.org/x/oauth2 v0.19.0 // indirect
golang.org/x/oauth2 v0.20.0 // indirect
golang.org/x/sync v0.7.0 // indirect
golang.org/x/sys v0.19.0 // indirect
golang.org/x/text v0.14.0 // indirect
golang.org/x/time v0.5.0 // indirect
google.golang.org/genproto/googleapis/api v0.0.0-20240311132316-a219d84964c2 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20240415180920-8c6c420018be // indirect
google.golang.org/genproto/googleapis/api v0.0.0-20240506185236-b8a5c65736ae // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20240429193739-8cf5692501f6 // indirect
google.golang.org/grpc v1.63.2 // indirect
google.golang.org/protobuf v1.33.0 // indirect
google.golang.org/protobuf v1.34.1 // indirect
)
54 changes: 27 additions & 27 deletions datastore/go.sum
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,20 +1,20 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.112.0 h1:tpFCD7hpHFlQ8yPwT3x+QeXqc2T6+n6T+hmABHfDUSM=
cloud.google.com/go v0.112.0/go.mod h1:3jEEVwZ/MHU4djK5t5RHuKOA/GbLddgTdVubX1qnPD4=
cloud.google.com/go v0.112.2 h1:ZaGT6LiG7dBzi6zNOvVZwacaXlmf3lRqnC4DQzqyRQw=
cloud.google.com/go v0.112.2/go.mod h1:iEqjp//KquGIJV/m+Pk3xecgKNhV+ry+vVTsy4TbDms=
cloud.google.com/go/auth v0.3.0 h1:PRyzEpGfx/Z9e8+lHsbkoUVXD0gnu4MNmm7Gp8TQNIs=
cloud.google.com/go/auth v0.3.0/go.mod h1:lBv6NKTWp8E3LPzmO1TbiiRKc4drLOfHsgmlH9ogv5w=
cloud.google.com/go/auth/oauth2adapt v0.2.2 h1:+TTV8aXpjeChS9M+aTtN/TjdQnzJvmzKFt//oWu7HX4=
cloud.google.com/go/auth/oauth2adapt v0.2.2/go.mod h1:wcYjgpZI9+Yu7LyYBg4pqSiaRkfEK3GQcpb7C/uyF1Q=
cloud.google.com/go/compute/metadata v0.3.0 h1:Tz+eQXMEqDIKRsmY3cHTL6FVaynIjX2QxYC4trgAKZc=
cloud.google.com/go/compute/metadata v0.3.0/go.mod h1:zFmK7XCadkQkj6TtorcaGlCW1hT1fIilQDwofLpJ20k=
cloud.google.com/go/datastore v1.15.0 h1:0P9WcsQeTWjuD1H14JIY7XQscIPQ4Laje8ti96IC5vg=
cloud.google.com/go/datastore v1.15.0/go.mod h1:GAeStMBIt9bPS7jMJA85kgkpsMkvseWWXiaHya9Jes8=
cloud.google.com/go/iam v1.1.6 h1:bEa06k05IO4f4uJonbB5iAgKTPpABy1ayxaIZV/GHVc=
cloud.google.com/go/iam v1.1.6/go.mod h1:O0zxdPeGBoFdWW3HWmBxJsk0pfvNM/p/qa82rWOGTwI=
cloud.google.com/go/longrunning v0.5.5 h1:GOE6pZFdSrTb4KAiKnXsJBtlE6mEyaW44oKyMILWnOg=
cloud.google.com/go/longrunning v0.5.5/go.mod h1:WV2LAxD8/rg5Z1cNW6FJ/ZpX4E4VnDnoTk0yawPBB7s=
cloud.google.com/go/storage v1.36.0 h1:P0mOkAcaJxhCTvAkMhxMfrTKiNcub4YmmPBtlhAyTr8=
cloud.google.com/go/storage v1.36.0/go.mod h1:M6M/3V/D3KpzMTJyPOR/HU6n2Si5QdaXYEsng2xgOs8=
cloud.google.com/go/datastore v1.17.0 h1:UEmzuUdyDE58HV2jcb0BoqwCAwsJS2mtHapCsMmhVh0=
cloud.google.com/go/datastore v1.17.0/go.mod h1:RiRZU0G6VVlIVlv1HRo3vSAPFHULV0ddBNsXO+Sony4=
cloud.google.com/go/iam v1.1.7 h1:z4VHOhwKLF/+UYXAJDFwGtNF0b6gjsW1Pk9Ml0U/IoM=
cloud.google.com/go/iam v1.1.7/go.mod h1:J4PMPg8TtyurAUvSmPj8FF3EDgY1SPRZxcUGrn7WXGA=
cloud.google.com/go/longrunning v0.5.7 h1:WLbHekDbjK1fVFD3ibpFFVoyizlLRl73I7YKuAKilhU=
cloud.google.com/go/longrunning v0.5.7/go.mod h1:8GClkudohy1Fxm3owmBGid8W0pSgodEMwEAztp38Xng=
cloud.google.com/go/storage v1.39.1 h1:MvraqHKhogCOTXTlct/9C3K3+Uy2jBmFYb3/Sp6dVtY=
cloud.google.com/go/storage v1.39.1/go.mod h1:xK6xZmxZmo+fyP7+DEF6FhNc24/JAe95OLyOHCXFH1o=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/GoogleCloudPlatform/golang-samples v0.0.0-20240111005027-4c7a1933dce2 h1:DNb3eKB9N5Q105t4x1Bbez/xzYFCw/CHPF6UaB0zeYw=
github.com/GoogleCloudPlatform/golang-samples v0.0.0-20240111005027-4c7a1933dce2/go.mod h1:gn/LQZWQYA+7rZhZO4Jvtx9EwxCp3CF0Ac1/hJHWqTc=
Expand Down Expand Up @@ -66,8 +66,8 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/googleapis/enterprise-certificate-proxy v0.3.2 h1:Vie5ybvEvT75RniqhfFxPRy3Bf7vr3h0cechB90XaQs=
github.com/googleapis/enterprise-certificate-proxy v0.3.2/go.mod h1:VLSiSSBs/ksPL8kq3OBOQ6WRI2QnaFynd1DCjZ62+V0=
github.com/googleapis/gax-go/v2 v2.12.3 h1:5/zPPDvw8Q1SuXjrqrZslrqT7dL/uJT2CQii/cLCKqA=
github.com/googleapis/gax-go/v2 v2.12.3/go.mod h1:AKloxT6GtNbaLm8QTNSidHUVsHYcBHwWRvkNFJUQcS4=
github.com/googleapis/gax-go/v2 v2.12.4 h1:9gWcmF85Wvq4ryPFvGFaOgPIs1AQX0d0bcbGw4Z96qg=
github.com/googleapis/gax-go/v2 v2.12.4/go.mod h1:KYEYLorsnIGDi/rPC8b5TdlB9kbKoFubselGIoBMCwI=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
Expand All @@ -77,7 +77,7 @@ github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpE
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0 h1:4Pp6oUg3+e/6M4C0A/3kJ2VYa++dsWVTtGgLVj5xtHg=
Expand All @@ -88,7 +88,7 @@ go.opentelemetry.io/otel v1.24.0 h1:0LAOdjNmQeSTzGBzduGe/rU4tZhMwL5rWgtp9Ku5Jfo=
go.opentelemetry.io/otel v1.24.0/go.mod h1:W7b9Ozg4nkF5tWI5zsXkaKKDjdVjpD4oAt9Qi/MArHo=
go.opentelemetry.io/otel/metric v1.24.0 h1:6EhoGWWK28x1fbpA4tYTOWBkPefTDQnb8WSGXlc88kI=
go.opentelemetry.io/otel/metric v1.24.0/go.mod h1:VYhLe1rFfxuTXLgj4CBiyz+9WYBA8pNGJgDcSFRKBco=
go.opentelemetry.io/otel/sdk v1.21.0 h1:FTt8qirL1EysG6sTQRZ5TokkU8d0ugCj8htOgThZXQ8=
go.opentelemetry.io/otel/sdk v1.24.0 h1:YMPPDNymmQN3ZgczicBY3B6sf9n62Dlj9pWD3ucgoDw=
go.opentelemetry.io/otel/trace v1.24.0 h1:CsKnnL4dUAr/0llH9FKuc698G04IrpWV0MQA/Y1YELI=
go.opentelemetry.io/otel/trace v1.24.0/go.mod h1:HPc3Xr/cOApsBI154IU0OI0HJexz+aw5uPdbs3UCjNU=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
Expand All @@ -108,8 +108,8 @@ golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwY
golang.org/x/net v0.24.0 h1:1PcaxkF854Fu3+lvBIx5SYn9wRlBzzcnHZSiaFFAb0w=
golang.org/x/net v0.24.0/go.mod h1:2Q7sJY5mzlzWjKtYUEXSlBWCdyaioyXzRB2RtU8KVE8=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.19.0 h1:9+E/EZBCbTLNrbN35fHv/a/d/mOBatymz1zbtQrXpIg=
golang.org/x/oauth2 v0.19.0/go.mod h1:vYi7skDa1x015PmRRYZ7+s1cWyPgrPiSYRe4rnsexc8=
golang.org/x/oauth2 v0.20.0 h1:4mQdhULixXKP1rwYBW0vAijoXnkTG0BLCDRzfe1idMo=
golang.org/x/oauth2 v0.20.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
Expand All @@ -133,20 +133,20 @@ golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 h1:H2TDz8ibqkAF6YGhCdN3jS9O0/s90v0rJh3X/OLHEUk=
google.golang.org/api v0.176.1 h1:DJSXnV6An+NhJ1J+GWtoF2nHEuqB1VNoTfnIbjNvwD4=
google.golang.org/api v0.176.1/go.mod h1:j2MaSDYcvYV1lkZ1+SMW4IeF90SrEyFA+tluDYWRrFg=
golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028 h1:+cNy6SZtPcJQH3LJVLOSmiC7MMxXNOb3PU/VUEz+EhU=
google.golang.org/api v0.178.0 h1:yoW/QMI4bRVCHF+NWOTa4cL8MoWL3Jnuc7FlcFF91Ok=
google.golang.org/api v0.178.0/go.mod h1:84/k2v8DFpDRebpGcooklv/lais3MEfqpaBLA12gl2U=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de h1:F6qOa9AZTYJXOUEr4jDysRDLrm4PHePlge4v4TGAlxY=
google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:VUhTRKeHn9wwcdrk73nvdC9gF178Tzhmt/qyaFcPLSo=
google.golang.org/genproto/googleapis/api v0.0.0-20240311132316-a219d84964c2 h1:rIo7ocm2roD9DcFIX67Ym8icoGCKSARAiPljFhh5suQ=
google.golang.org/genproto/googleapis/api v0.0.0-20240311132316-a219d84964c2/go.mod h1:O1cOfN1Cy6QEYr7VxtjOyP5AdAuR0aJ/MYZaaof623Y=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240415180920-8c6c420018be h1:LG9vZxsWGOmUKieR8wPAUR3u3MpnYFQZROPIMaXh7/A=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240415180920-8c6c420018be/go.mod h1:WtryC6hu0hhx87FDGxWCDptyssuo68sk10vYjF+T9fY=
google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda h1:wu/KJm9KJwpfHWhkkZGohVC6KRrc1oJNr4jwtQMOQXw=
google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda/go.mod h1:g2LLCvCeCSir/JJSWosk19BR4NVxGqHUC6rxIRsd7Aw=
google.golang.org/genproto/googleapis/api v0.0.0-20240506185236-b8a5c65736ae h1:AH34z6WAGVNkllnKs5raNq3yRq93VnjBG6rpfub/jYk=
google.golang.org/genproto/googleapis/api v0.0.0-20240506185236-b8a5c65736ae/go.mod h1:FfiGhwUm6CJviekPrc0oJ+7h29e+DmWU6UtjX0ZvI7Y=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240429193739-8cf5692501f6 h1:DujSIu+2tC9Ht0aPNA7jgj23Iq8Ewi5sgkQ++wdvonE=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240429193739-8cf5692501f6/go.mod h1:WtryC6hu0hhx87FDGxWCDptyssuo68sk10vYjF+T9fY=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
Expand All @@ -163,8 +163,8 @@ google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
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gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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136 changes: 136 additions & 0 deletions datastore/snippets/snippet_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -771,3 +771,139 @@ func Snippet_metadataPropertiesForKind() {
_ = err // Check error.
_ = keys // Use keys to find property names, and props for their representations.
}

func SnippetQuery_RunQueryWithExplain(w io.Writer) {
ctx := context.Background()
client, _ := datastore.NewClient(ctx, "my-proj")
defer client.Close()

// [START datastore_query_explain_entity]
// Build the query
query := datastore.NewQuery("Task")

// Set the explain options to get back *only* the plan summary
it := client.RunWithOptions(ctx, query, datastore.ExplainOptions{})
_, err := it.Next(nil)

// Get the explain metrics
explainMetrics := it.ExplainMetrics

planSummary := explainMetrics.PlanSummary
fmt.Fprintln(w, "----- Indexes Used -----")
for k, v := range planSummary.IndexesUsed {
fmt.Fprintf(w, "%+v: %+v\n", k, v)
}
// [END datastore_query_explain_entity]
_ = err // Check non-nil errors other than Iterator.Done
}

func SnippetQuery_RunQueryWithExplainAnalyze(w io.Writer) {
ctx := context.Background()
client, _ := datastore.NewClient(ctx, "my-proj")
defer client.Close()

// [START datastore_query_explain_analyze_entity]
// Build the query
query := datastore.NewQuery("Task")

// Set explain options with analzye = true to get back the query stats, plan info, and query
// results
it := client.RunWithOptions(ctx, query, datastore.ExplainOptions{Analyze: true})

// Get the query results
fmt.Fprintln(w, "----- Query Results -----")
for {
var task Task
_, err := it.Next(&task)
if err == iterator.Done {
break
}
if err != nil {
fmt.Fprintf(w, "Error fetching next task: %v", err)
return
}
fmt.Fprintf(w, "Task %q, Priority %d\n", task.Description, task.Priority)
}

// Get plan summary
planSummary := it.ExplainMetrics.PlanSummary
fmt.Fprintln(w, "----- Indexes Used -----")
for k, v := range planSummary.IndexesUsed {
fmt.Fprintf(w, "%+v: %+v\n", k, v)
}

// Get the execution stats
executionStats := it.ExplainMetrics.ExecutionStats
fmt.Fprintln(w, "----- Execution Stats -----")
fmt.Fprintf(w, "%+v\n", executionStats)
fmt.Fprintln(w, "----- Debug Stats -----")
for k, v := range *executionStats.DebugStats {
fmt.Fprintf(w, "%+v: %+v\n", k, v)
}
// [END datastore_query_explain_analyze_entity]
}

func SnippetQuery_RunAggregationQueryWithExplain(w io.Writer) {
ctx := context.Background()
client, _ := datastore.NewClient(ctx, "my-proj")
defer client.Close()

// [START datastore_query_explain_aggregation]
// Build the query
query := datastore.NewQuery("Task")

// Set the explain options to get back *only* the plan summary
ar, err := client.RunAggregationQueryWithOptions(ctx, query.NewAggregationQuery().WithCount("count"), datastore.ExplainOptions{})

// Get the explain metrics
explainMetrics := ar.ExplainMetrics

planSummary := explainMetrics.PlanSummary
fmt.Fprintln(w, "----- Indexes Used -----")
for k, v := range planSummary.IndexesUsed {
fmt.Fprintf(w, "%+v: %+v\n", k, v)
}
// [END datastore_query_explain_aggregation]

_ = err // Check non-nil errors
}

func SnippetQuery_RunAggregationQueryWithExplainAnalyze(w io.Writer) {
ctx := context.Background()
client, _ := datastore.NewClient(ctx, "my-proj")
defer client.Close()

// [START datastore_query_explain_analyze_aggregation]
// Build the query
query := datastore.NewQuery("Task")

// Set explain options with analzye = true to get back the query stats, plan info, and query
// results
countAlias := "count"
ar, err := client.RunAggregationQueryWithOptions(ctx,
query.NewAggregationQuery().WithCount(countAlias), datastore.ExplainOptions{Analyze: true})

// Get the query results
fmt.Fprintln(w, "----- Query Results -----")
result := ar.Result[countAlias]
fmt.Fprintf(w, "Count %v\n", result)

// Get plan summary
planSummary := ar.ExplainMetrics.PlanSummary
fmt.Fprintln(w, "----- Indexes Used -----")
for k, v := range planSummary.IndexesUsed {
fmt.Fprintf(w, "%+v: %+v\n", k, v)
}

// Get the execution stats
executionStats := ar.ExplainMetrics.ExecutionStats
fmt.Fprintln(w, "----- Execution Stats -----")
fmt.Fprintf(w, "%+v\n", executionStats)
fmt.Fprintln(w, "----- Debug Stats -----")
for k, v := range *executionStats.DebugStats {
fmt.Fprintf(w, "%+v: %+v\n", k, v)
}
// [END datastore_query_explain_analyze_aggregation]

_ = err // Check non-nil errors
}
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