Repository: ariga/atlas
Pull request #604 (2022-02-28 10:15:53)

sql/tidb: working ent integration tests


Patch:
diff --git a/cmd/action/migrate.go b/cmd/action/migrate.go
index 962904b6..9f7ddea5 100644
--- a/cmd/action/migrate.go
+++ b/cmd/action/migrate.go
@@ -14,6 +14,7 @@ import (
 
 	"ariga.io/atlas/sql/migrate"
 	"ariga.io/atlas/sql/schema"
+
 	"github.com/spf13/cobra"
 )
 
diff --git a/go.mod b/go.mod
index 396b4d84..5808025c 100644
--- a/go.mod
+++ b/go.mod
@@ -7,12 +7,12 @@ require (
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/google/go-cmp v0.5.6 // indirect
 	github.com/hashicorp/hcl/v2 v2.10.0
-	github.com/lib/pq v1.10.3
+	github.com/lib/pq v1.10.4
 	github.com/manifoldco/promptui v0.9.0
 	github.com/spf13/cobra v1.3.0
 	github.com/stretchr/testify v1.7.1-0.20210427113832-6241f9ab9942
 	github.com/zclconf/go-cty v1.8.0
-	golang.org/x/mod v0.5.0
+	golang.org/x/mod v0.5.1
 	golang.org/x/sys v0.0.0-20211205182925-97ca703d548d // indirect
 	golang.org/x/text v0.3.7 // indirect
 )
@@ -21,7 +21,6 @@ require (
 	github.com/go-openapi/inflect v0.19.0
 	github.com/mattn/go-sqlite3 v1.14.10
 	github.com/mitchellh/go-homedir v1.1.0
-	github.com/spf13/pflag v1.0.5
 )
 
 require (
@@ -30,7 +29,10 @@ require (
 	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/kr/pretty v0.2.1 // indirect
 	github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )
diff --git a/go.sum b/go.sum
index ad7a0247..773ec56f 100644
--- a/go.sum
+++ b/go.sum
@@ -262,15 +262,16 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxv
 github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/pretty v0.2.0 h1:s5hAObm+yFO5uHYt5dYjxi2rXrsnmRpJx4OYvIWUaQs=
 github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
+github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
+github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348 h1:MtvEpTB6LX3vkb4ax0b5D2DHbNAUsen0Gx5wZoq3lV4=
 github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348/go.mod h1:B69LEHPfb2qLo0BaaOLcbitczOKLWTsrBG9LczfCD4k=
-github.com/lib/pq v1.10.3 h1:v9QZf2Sn6AmjXtQeFpdoq/eaNtYP6IN+7lcrygsIAtg=
-github.com/lib/pq v1.10.3/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
+github.com/lib/pq v1.10.4 h1:SO9z7FRPzA03QhHKJrH5BXA6HU1rS4V2nIVrrNC1iYk=
+github.com/lib/pq v1.10.4/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/lyft/protoc-gen-star v0.5.3/go.mod h1:V0xaHgaf5oCCqmcxYcWiDfTiKsZsRc87/1qhoTACD8w=
 github.com/magiconair/properties v1.8.5/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
 github.com/manifoldco/promptui v0.9.0 h1:3V4HzJk1TtXW1MTZMP7mdlwbBpIinw3HztaIlYthEiA=
@@ -435,8 +436,9 @@ golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.5.0 h1:UG21uOlmZabA4fW5i7ZX6bjw1xELEGg/ZLgZq9auk/Q=
 golang.org/x/mod v0.5.0/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
+golang.org/x/mod v0.5.1 h1:OJxoQ/rynoF0dcCdI7cLPktw/hR2cueqYfjm43oqK38=
+golang.org/x/mod v0.5.1/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180811021610-c39426892332/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -794,8 +796,9 @@ google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQ
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/ini.v1 v1.66.2/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/internal/integration/go.mod b/internal/integration/go.mod
index f9b7aebd..96897afb 100644
--- a/internal/integration/go.mod
+++ b/internal/integration/go.mod
@@ -5,8 +5,8 @@ go 1.17
 replace ariga.io/atlas => ../../
 
 require (
-	ariga.io/atlas v0.0.0
-	entgo.io/ent v0.9.2-0.20211116120827-6954eb3a182a
+	ariga.io/atlas v0.3.7-0.20220303204946-787354f533c3
+	entgo.io/ent v0.10.2-0.20220310154057-2853afc1dc2e
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/hashicorp/hcl/v2 v2.10.1 // indirect
 	github.com/lib/pq v1.10.4
@@ -27,12 +27,10 @@ require (
 	github.com/go-openapi/inflect v0.19.0 // indirect
 	github.com/google/go-cmp v0.5.6 // indirect
 	github.com/google/uuid v1.3.0 // indirect
-	github.com/kr/pretty v0.2.0 // indirect
 	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	golang.org/x/mod v0.5.0 // indirect
+	golang.org/x/mod v0.5.1 // indirect
 	golang.org/x/text v0.3.7 // indirect
-	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	gopkg.in/errgo.v2 v2.1.0 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )
diff --git a/internal/integration/go.sum b/internal/integration/go.sum
index 87b9876b..594c5c40 100644
--- a/internal/integration/go.sum
+++ b/internal/integration/go.sum
@@ -35,7 +35,6 @@ cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4g
 cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
 cloud.google.com/go/firestore v1.6.1/go.mod h1:asNXNOzBdyVQmEU+ggO8UPodTkEVFW5Qx+rwHnAz+EY=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
@@ -47,8 +46,8 @@ cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohl
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-entgo.io/ent v0.9.2-0.20211116120827-6954eb3a182a h1:Vh2nLhnf2ctvQNdy76e0meJQUoDNzqR8KQLRrluvQzw=
-entgo.io/ent v0.9.2-0.20211116120827-6954eb3a182a/go.mod h1:Dugx2feSPxd7eFN/bnld6knmmg9LTX28cCvZqvhCDBY=
+entgo.io/ent v0.10.2-0.20220310154057-2853afc1dc2e h1:JsvE0URjgoOMH+V1+qnb4DL/FTZJPkJZbh1xdeG13Xg=
+entgo.io/ent v0.10.2-0.20220310154057-2853afc1dc2e/go.mod h1:YPgxeLnoQ/YdpVORRtqjBF+wCy9NX9IR7veTv3Bffus=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=
@@ -77,14 +76,12 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/census-instrumentation/opencensus-proto v0.3.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e h1:fY5BOSpyZCqRo5OhCuC+XN+r/bBCmeuuJtjz+bCNIf8=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
@@ -100,19 +97,12 @@ github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWH
 github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20211130200136-a8f946100490/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
-github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
-github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
-github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
-github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
-github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
@@ -127,7 +117,6 @@ github.com/envoyproxy/protoc-gen-validate v0.6.2/go.mod h1:2t7qjJNvHPx8IjnBOzl9E
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU=
 github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.5.1/go.mod h1:T3375wBYaZdLLcVNkcVbzGHY7f1l/uK5T5Ai1i3InKU=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
@@ -139,7 +128,6 @@ github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
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-github.com/go-sql-driver/mysql v1.5.1-0.20200311113236-681ffa848bae/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
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@@ -147,10 +135,8 @@ github.com/go-test/deep v1.0.3 h1:ZrJSEWsXzPOxaZnFteGEfooLba+ju3FYIbOrS+rQd68=
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@@ -225,15 +211,9 @@ github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+
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-github.com/hashicorp/consul/sdk v0.1.1/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8=
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@@ -247,13 +227,11 @@ github.com/hashicorp/go-msgpack v0.5.3/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iP
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@@ -263,13 +241,10 @@ github.com/hashicorp/hcl/v2 v2.10.0/go.mod h1:FwWsfWEjyV/CMj8s/gqAuiviY72rJ1/oay
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-github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
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@@ -277,37 +252,31 @@ github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:
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@@ -321,27 +290,20 @@ github.com/mattn/go-isatty v0.0.11/go.mod h1:PhnuNfih5lzO57/f3n+odYbM4JtupLOxQOA
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@@ -349,11 +311,9 @@ github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lN
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
-github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
 github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
-github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
 github.com/pelletier/go-toml v1.9.4/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e h1:aoZm08cpOy4WuID//EZDgcC4zIxODThtZNPirFr42+A=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
@@ -365,56 +325,37 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
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-github.com/prometheus/client_golang v0.9.3/go.mod h1:/TN21ttK/J9q6uSwhBd54HahCDft0ttaMvbicHlPoso=
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 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
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-github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
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-github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
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-github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
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-github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
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-github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
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-github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
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-github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
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-github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cast v1.4.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
-github.com/spf13/cobra v1.1.3/go.mod h1:pGADOWyqRD/YMrPZigI/zbliZ2wVD/23d+is3pSWzOo=
-github.com/spf13/cobra v1.3.0 h1:R7cSvGu+Vv+qX0gW5R/85dx2kmmJT5z5NM8ifdYjdn0=
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-github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
 github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
 github.com/spf13/pflag v1.0.2/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
-github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
-github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
 github.com/spf13/viper v1.10.0/go.mod h1:SoyBPwAtKDzypXNDFKN5kzH7ppppbGZtls1UpIy5AsM=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
@@ -428,24 +369,21 @@ github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.1-0.20210427113832-6241f9ab9942 h1:t0lM6y/M5IiUZyvbBTcngso8SZEZICH7is9B6g/obVU=
 github.com/stretchr/testify v1.7.1-0.20210427113832-6241f9ab9942/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
-github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926/go.mod h1:9ESjWnEqriFuLhtthL60Sar/7RFoluCcXsuvEwTV5KM=
 github.com/vmihailenco/msgpack v3.3.3+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
 github.com/vmihailenco/msgpack/v4 v4.3.12/go.mod h1:gborTTJjAo/GWTqqRjrLCn9pgNN+NXzzngzBKDPIqw4=
 github.com/vmihailenco/tagparser v0.1.1/go.mod h1:OeAg3pn3UbLjkWt+rN9oFYB6u/cQgqMEUPoW2WPyhdI=
-github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
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 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-github.com/yuin/goldmark v1.4.0/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 github.com/zclconf/go-cty v1.2.0/go.mod h1:hOPWgoHbaTUnI5k4D2ld+GRpFJSCe6bCM7m1q/N4PQ8=
 github.com/zclconf/go-cty v1.8.0/go.mod h1:vVKLxnk3puL4qRAv72AO+W99LUD4da90g3uUAzyuvAk=
 github.com/zclconf/go-cty v1.10.0 h1:mp9ZXQeIcN8kAwuqorjH+Q+njbJKjLrvB2yIh4q7U+0=
 github.com/zclconf/go-cty v1.10.0/go.mod h1:vVKLxnk3puL4qRAv72AO+W99LUD4da90g3uUAzyuvAk=
 github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b/go.mod h1:ZRKQfBXbGkpdV6QMzT3rU1kSTAnfu1dO8dPKjYprgj8=
-go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/etcd/api/v3 v3.5.1/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs=
 go.etcd.io/etcd/client/pkg/v3 v3.5.1/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
 go.etcd.io/etcd/client/v2 v2.305.1/go.mod h1:pMEacxZW7o8pg4CrFE7pquyCJJzZvkvdD2RibOCCCGs=
@@ -457,11 +395,8 @@ go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
 go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
-go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
-go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
-go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -509,15 +444,14 @@ golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.5.0 h1:UG21uOlmZabA4fW5i7ZX6bjw1xELEGg/ZLgZq9auk/Q=
 golang.org/x/mod v0.5.0/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
+golang.org/x/mod v0.5.1 h1:OJxoQ/rynoF0dcCdI7cLPktw/hR2cueqYfjm43oqK38=
+golang.org/x/mod v0.5.1/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180811021610-c39426892332/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -554,8 +488,8 @@ golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLd
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/net v0.0.0-20210410081132-afb366fc7cd1/go.mod h1:9tjilg8BloeKEkVJvy7fQ90B1CfIiPueXVOjqfkSzI8=
 golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -588,7 +522,6 @@ golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -645,12 +578,12 @@ golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210816183151-1e6c022a8912/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210823070655-63515b42dcdf/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210908233432-aa78b53d3365/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211007075335-d3039528d8ac/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211124211545-fe61309f8881/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211205182925-97ca703d548d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
@@ -667,14 +600,12 @@ golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
@@ -685,7 +616,6 @@ golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20190907020128-2ca718005c18/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -724,7 +654,7 @@ golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.3/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.7/go.mod h1:LGqMHiF4EqQNHR1JncWGqT5BVaXmza+X+BDGol+dOxo=
+golang.org/x/tools v0.1.9-0.20211216111533-8d383106f7e7/go.mod h1:nABZi5QlRsZVlzPpHl034qft6wpY4eDcsTt5AaioBiU=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -876,14 +806,12 @@ google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQ
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/errgo.v2 v2.1.0 h1:0vLT13EuvQ0hNvakwLuFZ/jYrLp5F3kcWHXdRggjCE8=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.66.2/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
-gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/internal/typedoc/go.mod b/internal/typedoc/go.mod
index e16970a8..88f59f7a 100644
--- a/internal/typedoc/go.mod
+++ b/internal/typedoc/go.mod
@@ -14,6 +14,6 @@ require (
 	github.com/hashicorp/hcl/v2 v2.10.0 // indirect
 	github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7 // indirect
 	github.com/zclconf/go-cty v1.8.0 // indirect
-	golang.org/x/mod v0.5.0 // indirect
+	golang.org/x/mod v0.5.1 // indirect
 	golang.org/x/text v0.3.7 // indirect
 )
diff --git a/internal/typedoc/go.sum b/internal/typedoc/go.sum
index d02b659d..0ba76b8e 100644
--- a/internal/typedoc/go.sum
+++ b/internal/typedoc/go.sum
@@ -1,12 +1,15 @@
+github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=
 github.com/agext/levenshtein v1.2.1 h1:QmvMAjj2aEICytGiWzmxoE0x2KZvE0fvmqMOfy2tjT8=
 github.com/agext/levenshtein v1.2.1/go.mod h1:JEDfjyjHDjOF/1e4FlBE/PkbqA9OfWu2ki2W0IB5558=
 github.com/apparentlymart/go-dump v0.0.0-20180507223929-23540a00eaa3/go.mod h1:oL81AME2rN47vu18xqj1S1jPIPuN7afo62yKTNn3XMM=
 github.com/apparentlymart/go-textseg v1.0.0/go.mod h1:z96Txxhf3xSFMPmb5X/1W05FF/Nj9VFpLOpjS5yuumk=
 github.com/apparentlymart/go-textseg/v13 v13.0.0 h1:Y+KvPE1NYz0xl601PVImeQfFyEy6iT90AvPUL1NNfNw=
 github.com/apparentlymart/go-textseg/v13 v13.0.0/go.mod h1:ZK2fH7c4NqDTLtiYLvIkEghdlcqw7yxLeM89kiTRPUo=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-openapi/inflect v0.19.0 h1:9jCH9scKIbHeV9m12SmPilScz6krDxKRasNNSNPXu/4=
 github.com/go-openapi/inflect v0.19.0/go.mod h1:lHpZVlpIQqLyKwJ4N+YSc9hchQy/i12fJykb83CRBH4=
+github.com/go-test/deep v1.0.3 h1:ZrJSEWsXzPOxaZnFteGEfooLba+ju3FYIbOrS+rQd68=
 github.com/go-test/deep v1.0.3/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
 github.com/golang/protobuf v1.1.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -17,15 +20,21 @@ github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/hashicorp/hcl/v2 v2.10.0 h1:1S1UnuhDGlv3gRFV4+0EdwB+znNP5HmcGbIqwnSCByg=
 github.com/hashicorp/hcl/v2 v2.10.0/go.mod h1:FwWsfWEjyV/CMj8s/gqAuiviY72rJ1/oayI9WftqcKg=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348 h1:MtvEpTB6LX3vkb4ax0b5D2DHbNAUsen0Gx5wZoq3lV4=
 github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348/go.mod h1:B69LEHPfb2qLo0BaaOLcbitczOKLWTsrBG9LczfCD4k=
 github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7 h1:DpOJ2HYzCv8LZP15IdmG+YdwD2luVPHITV96TkirNBM=
 github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7/go.mod h1:ZXFpozHsX6DPmq2I0TCekCxypsnAUbP2oI0UX1GXzOo=
+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/sergi/go-diff v1.0.0 h1:Kpca3qRNrduNnOQeazBd0ysaKrUJiIuISHxogkT9RPQ=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
 github.com/spf13/pflag v1.0.2/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.7.1-0.20210427113832-6241f9ab9942 h1:t0lM6y/M5IiUZyvbBTcngso8SZEZICH7is9B6g/obVU=
 github.com/vmihailenco/msgpack v3.3.3+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
 github.com/vmihailenco/msgpack/v4 v4.3.12/go.mod h1:gborTTJjAo/GWTqqRjrLCn9pgNN+NXzzngzBKDPIqw4=
 github.com/vmihailenco/tagparser v0.1.1/go.mod h1:OeAg3pn3UbLjkWt+rN9oFYB6u/cQgqMEUPoW2WPyhdI=
@@ -35,8 +44,8 @@ github.com/zclconf/go-cty v1.8.0/go.mod h1:vVKLxnk3puL4qRAv72AO+W99LUD4da90g3uUA
 github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b/go.mod h1:ZRKQfBXbGkpdV6QMzT3rU1kSTAnfu1dO8dPKjYprgj8=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/mod v0.5.0 h1:UG21uOlmZabA4fW5i7ZX6bjw1xELEGg/ZLgZq9auk/Q=
-golang.org/x/mod v0.5.0/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
+golang.org/x/mod v0.5.1 h1:OJxoQ/rynoF0dcCdI7cLPktw/hR2cueqYfjm43oqK38=
+golang.org/x/mod v0.5.1/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
 golang.org/x/net v0.0.0-20180811021610-c39426892332/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
@@ -51,7 +60,9 @@ golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
diff --git a/sql/internal/sqlx/dev.go b/sql/internal/sqlx/dev.go
index 0247e931..631f88ae 100644
--- a/sql/internal/sqlx/dev.go
+++ b/sql/internal/sqlx/dev.go
@@ -112,5 +112,6 @@ func (d *DevDriver) formatName(name string) string {
 		return dev
 	}
 	h := fnv.New128()
-	return fmt.Sprintf("%s_%x", dev[:d.MaxNameLen-1-h.Size()*2], h.Sum([]byte(dev)))
+	h.Write([]byte(dev))
+	return fmt.Sprintf("%s_%x", dev[:d.MaxNameLen-1-h.Size()*2], h.Sum(nil))
 }
diff --git a/sql/internal/sqlx/sqlx.go b/sql/internal/sqlx/sqlx.go
index d49f1ab6..7b601397 100644
--- a/sql/internal/sqlx/sqlx.go
+++ b/sql/internal/sqlx/sqlx.go
@@ -6,8 +6,11 @@ package sqlx
 
 import (
 	"bytes"
+	"context"
 	"database/sql"
+	"database/sql/driver"
 	"fmt"
+	"io"
 	"reflect"
 	"strconv"
 	"strings"
@@ -15,6 +18,41 @@ import (
 	"ariga.io/atlas/sql/schema"
 )
 
+type (
+	// ExecQueryCloser is the interface that groups
+	// Close with the schema.ExecQuerier methods.
+	ExecQueryCloser interface {
+		schema.ExecQuerier
+		io.Closer
+	}
+	nopCloser struct {
+		schema.ExecQuerier
+	}
+)
+
+// Close implements the io.Closer interface.
+func (nopCloser) Close() error { return nil }
+
+// SingleConn returns a closable single connection from the given ExecQuerier.
+// If the ExecQuerier is already bound to a single connection (e.g. Tx, Conn),
+// the connection will return as-is with a NopCloser.
+func SingleConn(ctx context.Context, conn schema.ExecQuerier) (ExecQueryCloser, error) {
+	// A standard sql.DB or a wrapper of it.
+	if opener, ok := conn.(interface {
+		Conn(context.Context) (*sql.Conn, error)
+	}); ok {
+		return opener.Conn(ctx)
+	}
+	// Tx and Conn are bounded to a single connection.
+	// We use sql/driver.Tx to cover also custom Tx structs.
+	_, ok1 := conn.(driver.Tx)
+	_, ok2 := conn.(*sql.Conn)
+	if ok1 || ok2 {
+		return nopCloser{ExecQuerier: conn}, nil
+	}
+	return nil, fmt.Errorf("cannot obtain a single connection from %T", conn)
+}
+
 // ValidString reports if the given string is not null and valid.
 func ValidString(s sql.NullString) bool {
 	return s.Valid && s.String != "" && strings.ToLower(s.String) != "null"
@@ -32,6 +70,12 @@ func ScanOne(rows *sql.Rows, dest ...interface{}) error {
 	return rows.Close()
 }
 
+// ScanNullBool scans one sql.NullBool record and closes the rows at the end.
+func ScanNullBool(rows *sql.Rows) (sql.NullBool, error) {
+	var b sql.NullBool
+	return b, ScanOne(rows, &b)
+}
+
 // SchemaFKs scans the rows and adds the foreign-key to the schema table.
 // Reference elements are added as stubs and should be linked manually by the
 // caller.
diff --git a/sql/mysql/driver.go b/sql/mysql/driver.go
index cabda15c..22a42630 100644
--- a/sql/mysql/driver.go
+++ b/sql/mysql/driver.go
@@ -6,9 +6,7 @@ package mysql
 
 import (
 	"context"
-	"database/sql"
 	"fmt"
-	"io"
 	"strings"
 	"time"
 
@@ -80,64 +78,48 @@ func (d *Driver) NormalizeSchema(ctx context.Context, s *schema.Schema) (*schema
 }
 
 // Lock implements the schema.Locker interface.
-func (d *Driver) Lock(ctx context.Context, name string, timeout time.Duration) (unlock func() error, err error) {
-	var (
-		closer io.Closer
-		conn   = d.ExecQuerier
-	)
-	// If the connection is sql.DB (a connection-pool),
-	// acquire a connection and use it to obtain the lock.
-	if opener, ok := conn.(interface {
-		Conn(context.Context) (*sql.Conn, error)
-	}); ok {
-		c, err := opener.Conn(ctx)
-		if err != nil {
-			return nil, err
-		}
-		defer func() {
-			if err != nil {
-				// Return the connection to the pool,
-				// if we failed to obtain the lock.
-				closer.Close()
-			}
-		}()
-		conn, closer = c, c
-	}
-	rows, err := conn.QueryContext(ctx, "SELECT GET_LOCK(?, ?)", name, int(timeout.Seconds()))
+func (d *Driver) Lock(ctx context.Context, name string, timeout time.Duration) (schema.UnlockFunc, error) {
+	conn, err := sqlx.SingleConn(ctx, d.ExecQuerier)
 	if err != nil {
 		return nil, err
 	}
-	var acquired sql.NullBool
-	switch err := sqlx.ScanOne(rows, &acquired); {
-	case err != nil:
+	if err := acquire(ctx, conn, name, timeout); err != nil {
+		conn.Close()
 		return nil, err
-	case !acquired.Valid:
-		// NULL is returned in case of an unexpected internal error.
-		return nil, fmt.Errorf("sql/mysql: unexpected internal error on Lock(%q, %s)", name, timeout)
-	case !acquired.Bool:
-		return nil, schema.ErrLockTimeout
 	}
-	// Acquired.
 	return func() error {
-		if closer != nil {
-			defer closer.Close()
-		}
-		rows, err = conn.QueryContext(ctx, "SELECT RELEASE_LOCK(?)", name)
+		defer conn.Close()
+		rows, err := conn.QueryContext(ctx, "SELECT RELEASE_LOCK(?)", name)
 		if err != nil {
 			return err
 		}
-		var released sql.NullBool
-		switch err := sqlx.ScanOne(rows, &released); {
+		switch released, err := sqlx.ScanNullBool(rows); {
 		case err != nil:
 			return err
 		case !released.Valid || !released.Bool:
 			return fmt.Errorf("sql/mysql: failed releasing a named lock %q", name)
-		default: // Released.
-			return nil
 		}
+		return nil
 	}, nil
 }
 
+func acquire(ctx context.Context, conn schema.ExecQuerier, name string, timeout time.Duration) error {
+	rows, err := conn.QueryContext(ctx, "SELECT GET_LOCK(?, ?)", name, int(timeout.Seconds()))
+	if err != nil {
+		return err
+	}
+	switch acquired, err := sqlx.ScanNullBool(rows); {
+	case err != nil:
+		return err
+	case !acquired.Valid:
+		// NULL is returned in case of an unexpected internal error.
+		return fmt.Errorf("sql/mysql: unexpected internal error on Lock(%q, %s)", name, timeout)
+	case !acquired.Bool:
+		return schema.ErrLocked
+	}
+	return nil
+}
+
 // supportsCheck reports if the connected database supports
 // the CHECK clause, and return the querying for getting them.
 func (d *conn) supportsCheck() (string, bool) {
diff --git a/sql/mysql/inspect.go b/sql/mysql/inspect.go
index 00c58832..b49e710a 100644
--- a/sql/mysql/inspect.go
+++ b/sql/mysql/inspect.go
@@ -471,7 +471,7 @@ func (i *inspect) showCreate(ctx context.Context, s *schema.Schema) error {
 	return nil
 }
 
-var reAutoinc = regexp.MustCompile(`(?i)\s+AUTO_INCREMENT\s*=\s*(\d+)\s+`)
+var reAutoinc = regexp.MustCompile(`(?i)\s*AUTO_INCREMENT\s*=\s*(\d+)\s*`)
 
 // setAutoInc extracts the updated AUTO_INCREMENT from CREATE TABLE.
 func (i *inspect) setAutoInc(s *showTable, t *schema.Table) error {
@@ -480,7 +480,7 @@ func (i *inspect) setAutoInc(s *showTable, t *schema.Table) error {
 	}
 	var c CreateStmt
 	if !sqlx.Has(t.Attrs, &c) {
-		return fmt.Errorf("missing CREATE TABLE statment in attribuets for %q", t.Name)
+		return fmt.Errorf("missing CREATE TABLE statement in attributes for %q", t.Name)
 	}
 	if sqlx.Has(t.Attrs, &AutoIncrement{}) {
 		return fmt.Errorf("unexpected AUTO_INCREMENT attributes for table: %q", t.Name)
diff --git a/sql/mysql/tidb.go b/sql/mysql/tidb.go
index 860eb60b..801714c9 100644
--- a/sql/mysql/tidb.go
+++ b/sql/mysql/tidb.go
@@ -10,6 +10,7 @@ import (
 	"fmt"
 	"regexp"
 	"sort"
+	"strconv"
 	"strings"
 
 	"ariga.io/atlas/sql/internal/sqlx"
@@ -40,12 +41,14 @@ func priority(change schema.Change) int {
 	case *schema.ModifySchema:
 		// each modifyTable should have a single change since we apply `flat` before we sort.
 		return priority(c.Changes[0])
-	case *schema.DropIndex, *schema.DropForeignKey, *schema.DropAttr, *schema.DropCheck:
+	case *schema.AddColumn:
 		return 1
-	case *schema.ModifyIndex, *schema.ModifyForeignKey:
+	case *schema.DropIndex, *schema.DropForeignKey, *schema.DropAttr, *schema.DropCheck:
 		return 2
-	default:
+	case *schema.ModifyIndex, *schema.ModifyForeignKey:
 		return 3
+	default:
+		return 4
 	}
 }
 
@@ -94,7 +97,7 @@ func (p *tplanApply) PlanChanges(ctx context.Context, name string, changes []sch
 		},
 	}
 	for _, c := range fc {
-		// Use the planner of MySQL with each "atomic" chanage.
+		// Use the planner of MySQL with each "atomic" change.
 		plan, err := p.planApply.PlanChanges(ctx, name, []schema.Change{c})
 		if err != nil {
 			return nil, err
@@ -158,6 +161,9 @@ func (i *tinspect) patchSchema(ctx context.Context, s *schema.Schema) (*schema.S
 		if err := i.setFKs(s, t); err != nil {
 			return nil, err
 		}
+		if err := i.setAutoIncrement(t); err != nil {
+			return nil, err
+		}
 		for _, c := range t.Columns {
 			i.patchColumn(ctx, c)
 		}
@@ -231,7 +237,7 @@ func (i *tinspect) setFKs(s *schema.Schema, t *schema.Table) error {
 			fk.Columns = append(fk.Columns, column)
 		}
 		for _, c := range columns(s, refClmns) {
-			column, ok := t.Column(c)
+			column, ok := refTable.Column(c)
 			if !ok {
 				return fmt.Errorf("ref column %q was not found for fk %q", c, ctName)
 			}
@@ -258,13 +264,37 @@ var reColl = regexp.MustCompile(`(?i)CHARSET\s*=\s*(\w+)\s*COLLATE\s*=\s*(\w+)`)
 func (i *tinspect) setCollate(t *schema.Table) error {
 	var c CreateStmt
 	if !sqlx.Has(t.Attrs, &c) {
-		return fmt.Errorf("missing CREATE TABLE statment in attribuets for %q", t.Name)
+		return fmt.Errorf("missing CREATE TABLE statement in attributes for %q", t.Name)
 	}
 	matches := reColl.FindStringSubmatch(c.S)
 	if len(matches) != 3 {
-		return fmt.Errorf("missing COLLATE and/or CHARSET information on CREATE TABLE statment for %q", t.Name)
+		return fmt.Errorf("missing COLLATE and/or CHARSET information on CREATE TABLE statement for %q", t.Name)
 	}
 	t.SetCharset(matches[1])
 	t.SetCollation(matches[2])
 	return nil
 }
+
+// setCollate extracts the updated Collation from CREATE TABLE statement.
+func (i *tinspect) setAutoIncrement(t *schema.Table) error {
+	// patch only it is set (set falsely to '1' due to this bug:https://github.com/pingcap/tidb/issues/24702).
+	ai := &AutoIncrement{}
+	if !sqlx.Has(t.Attrs, ai) {
+		return nil
+	}
+	var c CreateStmt
+	if !sqlx.Has(t.Attrs, &c) {
+		return fmt.Errorf("missing CREATE TABLE statement in attributes for %q", t.Name)
+	}
+	matches := reAutoinc.FindStringSubmatch(c.S)
+	if len(matches) != 2 {
+		return nil
+	}
+	v, err := strconv.ParseInt(matches[1], 10, 64)
+	if err != nil {
+		return err
+	}
+	ai.V = v
+	schema.ReplaceOrAppend(&t.Attrs, ai)
+	return nil
+}
diff --git a/sql/postgres/driver.go b/sql/postgres/driver.go
index b8b5ef00..0235209d 100644
--- a/sql/postgres/driver.go
+++ b/sql/postgres/driver.go
@@ -6,7 +6,10 @@ package postgres
 
 import (
 	"context"
+	"errors"
 	"fmt"
+	"hash/fnv"
+	"time"
 
 	"ariga.io/atlas/sql/internal/sqlx"
 	"ariga.io/atlas/sql/migrate"
@@ -79,6 +82,70 @@ func (d *Driver) NormalizeSchema(ctx context.Context, s *schema.Schema) (*schema
 	return d.dev().NormalizeSchema(ctx, s)
 }
 
+// Lock implements the schema.Locker interface.
+func (d *Driver) Lock(ctx context.Context, name string, timeout time.Duration) (schema.UnlockFunc, error) {
+	conn, err := sqlx.SingleConn(ctx, d.ExecQuerier)
+	if err != nil {
+		return nil, err
+	}
+	h := fnv.New32()
+	h.Write([]byte(name))
+	id := h.Sum32()
+	if err := acquire(ctx, conn, id, timeout); err != nil {
+		conn.Close()
+		return nil, err
+	}
+	return func() error {
+		defer conn.Close()
+		rows, err := conn.QueryContext(ctx, "SELECT pg_advisory_unlock($1)", id)
+		if err != nil {
+			return err
+		}
+		switch released, err := sqlx.ScanNullBool(rows); {
+		case err != nil:
+			return err
+		case !released.Valid || !released.Bool:
+			return fmt.Errorf("sql/postgres: failed releasing lock %d", id)
+		}
+		return nil
+	}, nil
+}
+
+func acquire(ctx context.Context, conn schema.ExecQuerier, id uint32, timeout time.Duration) error {
+	switch {
+	// With timeout (context-based).
+	case timeout > 0:
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, timeout)
+		defer cancel()
+		fallthrough
+	// Infinite timeout.
+	case timeout < 0:
+		rows, err := conn.QueryContext(ctx, "SELECT pg_advisory_lock($1)", id)
+		if errors.Is(err, context.DeadlineExceeded) || errors.Is(err, context.Canceled) {
+			err = schema.ErrLocked
+		}
+		if err != nil {
+			return err
+		}
+		return rows.Close()
+	// No timeout.
+	default:
+		rows, err := conn.QueryContext(ctx, "SELECT pg_try_advisory_lock($1)", id)
+		if err != nil {
+			return err
+		}
+		acquired, err := sqlx.ScanNullBool(rows)
+		if err != nil {
+			return err
+		}
+		if !acquired.Bool {
+			return schema.ErrLocked
+		}
+		return nil
+	}
+}
+
 // Standard column types (and their aliases) as defined in
 // PostgreSQL codebase/website.
 const (
diff --git a/sql/schema/dsl.go b/sql/schema/dsl.go
index b28acfba..427f2da4 100644
--- a/sql/schema/dsl.go
+++ b/sql/schema/dsl.go
@@ -728,6 +728,12 @@ func replaceOrAppend(attrs *[]Attr, v Attr) {
 	*attrs = append(*attrs, v)
 }
 
+// ReplaceOrAppend searches an attribute of the same type as v in
+// the list and replaces it. Otherwise, v is appended to the list.
+func ReplaceOrAppend(attrs *[]Attr, v Attr) {
+	replaceOrAppend(attrs, v)
+}
+
 // del searches an attribute of the same type as v in
 // the list and delete it.
 func del(attrs *[]Attr, v Attr) {
diff --git a/sql/schema/migrate.go b/sql/schema/migrate.go
index afda08de..7ff84672 100644
--- a/sql/schema/migrate.go
+++ b/sql/schema/migrate.go
@@ -246,18 +246,25 @@ type Differ interface {
 	TableDiff(from, to *Table) ([]Change, error)
 }
 
-// ErrLockTimeout is returned on Lock calls which have timed out.
-var ErrLockTimeout = errors.New("sql/schema: lock timeout")
-
-// Locker is an interface that is optionally implemented by the different drivers
-// for obtaining an "advisory lock" with the given name.
-type Locker interface {
-	// Lock acquires a named "advisory lock", using the timeout. Negative value means no timeout.
-	// The returned unlock function is used to release the advisory lock acquired by the session.
-	//
-	// An ErrLockTimeout is returned if the operation timed out before obtaining the lock.
-	Lock(ctx context.Context, name string, timeout time.Duration) (unlock func() error, err error)
-}
+// ErrLocked is returned on Lock calls which have failed to obtain the lock.
+var ErrLocked = errors.New("sql/schema: lock is held by other session")
+
+type (
+	// UnlockFunc is returned by the Locker to explicitly
+	// release the named "advisory lock".
+	UnlockFunc func() error
+
+	// Locker is an interface that is optionally implemented by the different drivers
+	// for obtaining an "advisory lock" with the given name.
+	Locker interface {
+		// Lock acquires a named "advisory lock", using the given timeout. Negative value means no timeout,
+		// and the zero value means a "try lock" mode. i.e. return immediately if the lock is already taken.
+		// The returned unlock function is used to release the advisory lock acquired by the session.
+		//
+		// An ErrLocked is returned if the operation failed to obtain the lock in all different timeout modes.
+		Lock(ctx context.Context, name string, timeout time.Duration) (UnlockFunc, error)
+	}
+)
 
 // changes.
 func (*AddAttr) change()          {}


Test patch:
diff --git a/cmd/action/diff_test.go b/cmd/action/diff_test.go
index f950da7e..c8b59baf 100644
--- a/cmd/action/diff_test.go
+++ b/cmd/action/diff_test.go
@@ -14,6 +14,7 @@ import (
 	"testing"
 
 	"ariga.io/atlas/sql/sqlite"
+
 	"github.com/spf13/cobra"
 	"github.com/stretchr/testify/require"
 )
diff --git a/internal/integration/integration_test.go b/internal/integration/integration_test.go
index 61bc558a..d1770305 100644
--- a/internal/integration/integration_test.go
+++ b/internal/integration/integration_test.go
@@ -16,6 +16,7 @@ import (
 	"ariga.io/atlas/sql/schema"
 
 	entsql "entgo.io/ent/dialect/sql"
+	entschema "entgo.io/ent/dialect/sql/schema"
 	"entgo.io/ent/entc/integration/ent"
 	"github.com/stretchr/testify/require"
 )
@@ -70,11 +71,11 @@ func testRelation(t T) {
 	ensureNoChange(t, postsT, usersT)
 }
 
-func testEntIntegration(t T, dialect string, db *sql.DB) {
+func testEntIntegration(t T, dialect string, db *sql.DB, opts ...entschema.MigrateOption) {
 	ctx := context.Background()
 	drv := entsql.OpenDB(dialect, db)
 	client := ent.NewClient(ent.Driver(drv))
-	require.NoError(t, client.Schema.Create(ctx))
+	require.NoError(t, client.Schema.Create(ctx, opts...))
 	sanity(client)
 	realm := t.loadRealm()
 	ensureNoChange(t, realm.Schemas[0].Tables...)
@@ -431,3 +432,24 @@ func sanity(c *ent.Client) {
 		SetInfo(c.GroupInfo.Create().SetDesc("desc").SaveX(ctx)).
 		SaveX(ctx)
 }
+
+func testAdvisoryLock(t *testing.T, l schema.Locker) {
+	t.Run("One", func(t *testing.T) {
+		unlock, err := l.Lock(context.Background(), "migrate", 0)
+		require.NoError(t, err)
+		_, err = l.Lock(context.Background(), "migrate", 0)
+		require.Equal(t, schema.ErrLocked, err)
+		require.NoError(t, unlock())
+	})
+	t.Run("Multi", func(t *testing.T) {
+		var unlocks []schema.UnlockFunc
+		for _, name := range []string{"a", "b", "c"} {
+			unlock, err := l.Lock(context.Background(), name, 0)
+			require.NoError(t, err)
+			unlocks = append(unlocks, unlock)
+		}
+		for _, unlock := range unlocks {
+			require.NoError(t, unlock())
+		}
+	})
+}
diff --git a/internal/integration/mysql_test.go b/internal/integration/mysql_test.go
index f1f43e1c..4bd3f94e 100644
--- a/internal/integration/mysql_test.go
+++ b/internal/integration/mysql_test.go
@@ -460,6 +460,12 @@ func TestMySQL_Ent(t *testing.T) {
 	})
 }
 
+func TestMySQL_AdvisoryLock(t *testing.T) {
+	myRun(t, func(t *myTest) {
+		testAdvisoryLock(t.T, t.drv)
+	})
+}
+
 func TestMySQL_HCL(t *testing.T) {
 	full := `
 schema "test" {
@@ -1085,10 +1091,14 @@ create table atlas_types_sanity
 
 func (t *myTest) dsn(dbname string) string {
 	d := "mysql"
+	pass := ":pass"
+	if t.tidb() {
+		pass = ""
+	}
 	if t.mariadb() {
 		d = "mariadb"
 	}
-	return fmt.Sprintf("%s://root:pass@tcp(localhost:%d)/%s", d, t.port, dbname)
+	return fmt.Sprintf("%s://root%s@tcp(localhost:%d)/%s", d, pass, t.port, dbname)
 }
 
 func (t *myTest) applyHcl(spec string) {
@@ -1266,6 +1276,7 @@ func (t *myTest) loadTable(name string) *schema.Table {
 }
 
 func (t *myTest) mariadb() bool { return strings.HasPrefix(t.version, "Maria") }
+func (t *myTest) tidb() bool    { return strings.HasPrefix(t.version, "TiDB") }
 
 // defaultConfig returns the default charset and
 // collation configuration based on the MySQL version.
diff --git a/internal/integration/postgres_test.go b/internal/integration/postgres_test.go
index 7aa16d52..8b6dc47b 100644
--- a/internal/integration/postgres_test.go
+++ b/internal/integration/postgres_test.go
@@ -368,6 +368,12 @@ func TestPostgres_Ent(t *testing.T) {
 	})
 }
 
+func TestPostgres_AdvisoryLock(t *testing.T) {
+	pgRun(t, func(t *pgTest) {
+		testAdvisoryLock(t.T, t.drv)
+	})
+}
+
 func TestPostgres_HCL(t *testing.T) {
 	full := `
 schema "public" {
diff --git a/internal/integration/tidb_test.go b/internal/integration/tidb_test.go
index e530de37..e0833968 100644
--- a/internal/integration/tidb_test.go
+++ b/internal/integration/tidb_test.go
@@ -13,6 +13,12 @@ import (
 	"ariga.io/atlas/sql/mysql"
 	"ariga.io/atlas/sql/schema"
 
+	"entgo.io/ent/dialect"
+	entsql "entgo.io/ent/dialect/sql"
+	entschema "entgo.io/ent/dialect/sql/schema"
+	"entgo.io/ent/entc/integration/ent"
+	"entgo.io/ent/entc/integration/ent/migrate"
+
 	_ "github.com/go-sql-driver/mysql"
 	"github.com/stretchr/testify/require"
 )
@@ -479,6 +485,179 @@ create table atlas_defaults
 	})
 }
 
+func TestTiDB_CLI_MultiSchema(t *testing.T) {
+	h := `
+			schema "test" {
+				charset   = "%s"
+				collation = "%s"
+			}
+			table "users" {
+				schema = schema.test
+				column "id" {
+					type = int
+				}
+				primary_key {
+					columns = [table.users.column.id]
+				}
+			}
+			schema "test2" {
+				charset   = "%s"
+				collation = "%s"
+			}
+			table "users" {
+				schema = schema.test2
+				column "id" {
+					type = int
+				}
+				primary_key {
+					columns = [table.users.column.id]
+				}
+			}`
+	t.Run("SchemaInspect", func(t *testing.T) {
+		tidbRun(t, func(t *myTest) {
+			t.dropDB("test2")
+			t.dropTables("users")
+			attrs := t.defaultAttrs()
+			charset, collate := attrs[0].(*schema.Charset), attrs[1].(*schema.Collation)
+			testCLIMultiSchemaInspect(t, fmt.Sprintf(h, charset.V, collate.V, charset.V, collate.V), t.dsn(""), []string{"test", "test2"}, mysql.UnmarshalHCL)
+		})
+	})
+	t.Run("SchemaApply", func(t *testing.T) {
+		tidbRun(t, func(t *myTest) {
+			t.dropDB("test2")
+			t.dropTables("users")
+			attrs := t.defaultAttrs()
+			charset, collate := attrs[0].(*schema.Charset), attrs[1].(*schema.Collation)
+			testCLIMultiSchemaApply(t, fmt.Sprintf(h, charset.V, collate.V, charset.V, collate.V), t.dsn(""), []string{"test", "test2"}, mysql.UnmarshalHCL)
+		})
+	})
+}
+
+func TestTiDB_CLI(t *testing.T) {
+	h := `
+			schema "test" {
+				charset   = "%s"
+				collation = "%s"
+			}
+			table "users" {
+				schema = schema.test
+				column "id" {
+					type = int
+				}
+				primary_key {
+					columns = [table.users.column.id]
+				}
+			}`
+	t.Run("SchemaInspect", func(t *testing.T) {
+		tidbRun(t, func(t *myTest) {
+			attrs := t.defaultAttrs()
+			charset, collate := attrs[0].(*schema.Charset), attrs[1].(*schema.Collation)
+			testCLISchemaInspect(t, fmt.Sprintf(h, charset.V, collate.V), t.dsn("test"), mysql.UnmarshalHCL)
+		})
+	})
+	t.Run("SchemaApply", func(t *testing.T) {
+		tidbRun(t, func(t *myTest) {
+			attrs := t.defaultAttrs()
+			charset, collate := attrs[0].(*schema.Charset), attrs[1].(*schema.Collation)
+			testCLISchemaApply(t, fmt.Sprintf(h, charset.V, collate.V), t.dsn("test"))
+		})
+	})
+	t.Run("SchemaApplyDryRun", func(t *testing.T) {
+		tidbRun(t, func(t *myTest) {
+			attrs := t.defaultAttrs()
+			charset, collate := attrs[0].(*schema.Charset), attrs[1].(*schema.Collation)
+			testCLISchemaApplyDry(t, fmt.Sprintf(h, charset.V, collate.V), t.dsn("test"))
+		})
+	})
+	t.Run("SchemaDiffRun", func(t *testing.T) {
+		tidbRun(t, func(t *myTest) {
+			testCLISchemaDiff(t, t.dsn("test"))
+		})
+	})
+}
+
+func TestTiDB_HCL(t *testing.T) {
+	full := `
+schema "test" {
+}
+table "users" {
+	schema = schema.test
+	column "id" {
+		type = int
+	}
+	primary_key {
+		columns = [table.users.column.id]
+	}
+}
+table "posts" {
+	schema = schema.test
+	column "id" {
+		type = int
+	}
+	column "author_id" {
+		type = int
+	}
+	foreign_key "author" {
+		columns = [
+			table.posts.column.author_id,
+		]
+		ref_columns = [
+			table.users.column.id,
+		]
+	}
+	primary_key {
+		columns = [table.users.column.id]
+	}
+}
+`
+	empty := `
+schema "test" {
+}
+`
+	tidbRun(t, func(t *myTest) {
+		testHCLIntegration(t, full, empty)
+	})
+}
+
+func TestTiDB_Ent_EntEngine(t *testing.T) {
+	tidbRun(t, func(t *myTest) {
+		testEntIntegration(t, dialect.MySQL, t.db, migrate.WithForeignKeys(false))
+	})
+}
+
+func TestTiDB_Ent_AtlasEngine(t *testing.T) {
+	tidbRun(t, func(t *myTest) {
+		ctx := context.Background()
+		drv := entsql.OpenDB(dialect.MySQL, t.db)
+		client := ent.NewClient(ent.Driver(drv))
+		require.NoError(t, client.Schema.Create(ctx, entschema.WithAtlas(true)))
+		sanity(client)
+		realm := t.loadRealm()
+		ensureNoChange(t, realm.Schemas[0].Tables...)
+
+		// Drop tables.
+		changes := make([]schema.Change, len(realm.Schemas[0].Tables))
+		for i, t := range realm.Schemas[0].Tables {
+			changes[i] = &schema.DropTable{T: t}
+		}
+		t.migrate(changes...)
+
+		// Add tables.
+		for i, t := range realm.Schemas[0].Tables {
+			changes[i] = &schema.AddTable{T: t}
+		}
+		t.migrate(changes...)
+		ensureNoChange(t, realm.Schemas[0].Tables...)
+		sanity(client)
+
+		// Drop tables.
+		for i, t := range realm.Schemas[0].Tables {
+			changes[i] = &schema.DropTable{T: t}
+		}
+		t.migrate(changes...)
+	})
+}
+
 func TestTiDB_Sanity(t *testing.T) {
 	n := "atlas_types_sanity"
 	t.Run("Common", func(t *testing.T) {
@@ -784,9 +963,6 @@ create table atlas_types_sanity
 	) CHARSET = latin1 COLLATE latin1_swedish_ci;
 	`
 		tidbRun(t, func(t *myTest) {
-			if t.version == "56" {
-				return
-			}
 			t.dropTables(n)
 			_, err := t.db.Exec(ddl)
 			require.NoError(t, err)
@@ -817,4 +993,50 @@ create table atlas_types_sanity
 			testImplicitIndexes(t, t.db)
 		})
 	})
+
+	t.Run("AltersOrder", func(t *testing.T) {
+		ddl := `
+		create table tidb_alter_order(
+			tBigInt bigint(10) default 4 null,
+			INDEX   i  (tBigInt)
+		);
+	`
+		tidbRun(t, func(t *myTest) {
+			t.dropTables("tidb_alter_order")
+			_, err := t.db.Exec(ddl)
+			require.NoError(t, err)
+			tbl := t.loadTable("tidb_alter_order")
+			require.NotNil(t, tbl)
+			to := schema.Table{
+				Name: "tidb_alter_order",
+				Attrs: func() []schema.Attr {
+					return []schema.Attr{
+						&schema.Collation{V: "utf8mb4_bin"},
+						&schema.Charset{V: "utf8mb4"},
+					}
+				}(),
+				Columns: []*schema.Column{
+					&schema.Column{
+						Name: "tBigInt2",
+						Type: &schema.ColumnType{Type: &schema.IntegerType{T: "bigint", Unsigned: false},
+							Raw: t.valueByVersion(map[string]string{"8": "bigint"}, "bigint(10)"), Null: true},
+						Default: &schema.Literal{V: "4"},
+					},
+				},
+			}
+			to.AddIndexes(
+				&schema.Index{Name: "i2", Parts: []*schema.IndexPart{
+					&schema.IndexPart{
+						C:    to.Columns[0],
+						Desc: true,
+					},
+				}})
+			changes, err := t.drv.SchemaDiff(schema.New("test").AddTables(tbl), schema.New("test").AddTables(&to))
+			require.NoError(t, err)
+			err = t.drv.ApplyChanges(context.Background(), changes)
+			require.NoError(t, err)
+			t.migrate()
+			rmCreateStmt(tbl)
+		})
+	})
 }
diff --git a/sql/mysql/driver_test.go b/sql/mysql/driver_test.go
index bf25895e..cd3661a2 100644
--- a/sql/mysql/driver_test.go
+++ b/sql/mysql/driver_test.go
@@ -74,7 +74,7 @@ func TestDriver_LockError(t *testing.T) {
 			WillReturnRows(sqlmock.NewRows([]string{"acquired"}).AddRow(0)).
 			RowsWillBeClosed()
 		unlock, err := d.Lock(context.Background(), name, time.Second)
-		require.Equal(t, schema.ErrLockTimeout, err)
+		require.Equal(t, schema.ErrLocked, err)
 		require.Nil(t, unlock)
 	})
 
diff --git a/sql/mysql/sqlspec_test.go b/sql/mysql/sqlspec_test.go
index b2fba9cd..d2f06707 100644
--- a/sql/mysql/sqlspec_test.go
+++ b/sql/mysql/sqlspec_test.go
@@ -5,6 +5,7 @@ import (
 	"testing"
 
 	"ariga.io/atlas/sql/schema"
+
 	"github.com/stretchr/testify/require"
 )
 
diff --git a/sql/postgres/driver_test.go b/sql/postgres/driver_test.go
new file mode 100644
index 00000000..3b60b80e
--- /dev/null
+++ b/sql/postgres/driver_test.go
@@ -0,0 +1,103 @@
+// Copyright 2021-present The Atlas Authors. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+package postgres
+
+import (
+	"context"
+	"io"
+	"testing"
+	"time"
+
+	"ariga.io/atlas/sql/internal/sqltest"
+	"ariga.io/atlas/sql/schema"
+
+	"github.com/DATA-DOG/go-sqlmock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestDriver_LockAcquired(t *testing.T) {
+	db, m, err := sqlmock.New()
+	require.NoError(t, err)
+	name, hash := "name", 797654004
+	m.ExpectQuery(sqltest.Escape("SELECT pg_try_advisory_lock($1)")).
+		WithArgs(hash).
+		WillReturnRows(sqlmock.NewRows([]string{"pg_advisory_lock"}).AddRow(1)).
+		RowsWillBeClosed()
+	m.ExpectQuery(sqltest.Escape("SELECT pg_advisory_unlock($1)")).
+		WithArgs(hash).
+		WillReturnRows(sqlmock.NewRows([]string{"pg_advisory_unlock"}).AddRow(1)).
+		RowsWillBeClosed()
+
+	d := &Driver{}
+	d.ExecQuerier = db
+	unlock, err := d.Lock(context.Background(), name, 0)
+	require.NoError(t, err)
+	require.NoError(t, unlock())
+	require.NoError(t, m.ExpectationsWereMet())
+}
+
+func TestDriver_LockError(t *testing.T) {
+	db, m, err := sqlmock.New()
+	require.NoError(t, err)
+	d := &Driver{}
+	d.ExecQuerier = db
+	name, hash := "migrate", 979249972
+
+	t.Run("Timeout", func(t *testing.T) {
+		m.ExpectQuery(sqltest.Escape("SELECT pg_advisory_lock($1)")).
+			WithArgs(hash).
+			WillReturnError(context.DeadlineExceeded).
+			RowsWillBeClosed()
+		unlock, err := d.Lock(context.Background(), name, time.Millisecond)
+		require.Equal(t, schema.ErrLocked, err)
+		require.Nil(t, unlock)
+	})
+
+	t.Run("Internal", func(t *testing.T) {
+		m.ExpectQuery(sqltest.Escape("SELECT pg_advisory_lock($1)")).
+			WithArgs(hash).
+			WillReturnError(io.EOF).
+			RowsWillBeClosed()
+		unlock, err := d.Lock(context.Background(), name, time.Minute)
+		require.Equal(t, io.EOF, err)
+		require.Nil(t, unlock)
+	})
+}
+
+func TestDriver_UnlockError(t *testing.T) {
+	db, m, err := sqlmock.New()
+	require.NoError(t, err)
+	d := &Driver{}
+	d.ExecQuerier = db
+	name, hash := "up", 1551306158
+	acquired := func() {
+		m.ExpectQuery(sqltest.Escape("SELECT pg_try_advisory_lock($1)")).
+			WithArgs(hash).
+			WillReturnRows(sqlmock.NewRows([]string{"pg_try_advisory_lock"}).AddRow(1)).
+			RowsWillBeClosed()
+	}
+
+	t.Run("NotHeld", func(t *testing.T) {
+		acquired()
+		unlock, err := d.Lock(context.Background(), name, 0)
+		require.NoError(t, err)
+		m.ExpectQuery(sqltest.Escape("SELECT pg_advisory_unlock($1)")).
+			WithArgs(hash).
+			WillReturnRows(sqlmock.NewRows([]string{"pg_advisory_unlock"}).AddRow(0)).
+			RowsWillBeClosed()
+		require.Error(t, unlock())
+	})
+
+	t.Run("Internal", func(t *testing.T) {
+		acquired()
+		unlock, err := d.Lock(context.Background(), name, 0)
+		require.NoError(t, err)
+		m.ExpectQuery(sqltest.Escape("SELECT pg_advisory_unlock($1)")).
+			WithArgs(hash).
+			WillReturnRows(sqlmock.NewRows([]string{"pg_advisory_unlock"}).AddRow(nil)).
+			RowsWillBeClosed()
+		require.Error(t, unlock())
+	})
+}