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* When replying to an outdated comment it should not appear on the files page This happened because the comment took the latest commitID as its base instead of the reviewID that it was replying to. There was also no way of creating an already outdated comment - and a reply to a review on an outdated line should be outdated. Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test Signed-off-by: Andrew Thornton <art27@cantab.net> * Fix broken migration Signed-off-by: Andrew Thornton <art27@cantab.net> * fix mssql Signed-off-by: Andrew Thornton <art27@cantab.net> * Create temporary table because ... well MSSQL ... Signed-off-by: Andrew Thornton <art27@cantab.net> * Create temporary table because ... well MSSQL ... Signed-off-by: Andrew Thornton <art27@cantab.net> * Create temporary table because ... well MSSQL ... Signed-off-by: Andrew Thornton <art27@cantab.net> * fix mssql Signed-off-by: Andrew Thornton <art27@cantab.net> * move session within the batch Signed-off-by: Andrew Thornton <art27@cantab.net> * regen the sqlcmd each time round the loop Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @lunny Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
719 lines
26 KiB
Go
719 lines
26 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2017 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package migrations
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import (
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"fmt"
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"os"
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"reflect"
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"regexp"
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"strings"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"xorm.io/xorm"
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)
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const minDBVersion = 70 // Gitea 1.5.3
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// Migration describes on migration from lower version to high version
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type Migration interface {
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Description() string
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Migrate(*xorm.Engine) error
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}
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type migration struct {
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description string
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migrate func(*xorm.Engine) error
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}
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// NewMigration creates a new migration
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func NewMigration(desc string, fn func(*xorm.Engine) error) Migration {
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return &migration{desc, fn}
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}
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// Description returns the migration's description
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func (m *migration) Description() string {
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return m.description
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}
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// Migrate executes the migration
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func (m *migration) Migrate(x *xorm.Engine) error {
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return m.migrate(x)
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}
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// Version describes the version table. Should have only one row with id==1
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type Version struct {
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ID int64 `xorm:"pk autoincr"`
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Version int64
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}
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// This is a sequence of migrations. Add new migrations to the bottom of the list.
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// If you want to "retire" a migration, remove it from the top of the list and
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// update minDBVersion accordingly
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var migrations = []Migration{
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// Gitea 1.5.3 ends at v70
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// v70 -> v71
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NewMigration("add issue_dependencies", addIssueDependencies),
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// v71 -> v72
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NewMigration("protect each scratch token", addScratchHash),
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// v72 -> v73
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NewMigration("add review", addReview),
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// Gitea 1.6.4 ends at v73
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// v73 -> v74
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NewMigration("add must_change_password column for users table", addMustChangePassword),
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// v74 -> v75
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NewMigration("add approval whitelists to protected branches", addApprovalWhitelistsToProtectedBranches),
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// v75 -> v76
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NewMigration("clear nonused data which not deleted when user was deleted", clearNonusedData),
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// Gitea 1.7.6 ends at v76
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// v76 -> v77
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NewMigration("add pull request rebase with merge commit", addPullRequestRebaseWithMerge),
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// v77 -> v78
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NewMigration("add theme to users", addUserDefaultTheme),
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// v78 -> v79
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NewMigration("rename repo is_bare to repo is_empty", renameRepoIsBareToIsEmpty),
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// v79 -> v80
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NewMigration("add can close issues via commit in any branch", addCanCloseIssuesViaCommitInAnyBranch),
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// v80 -> v81
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NewMigration("add is locked to issues", addIsLockedToIssues),
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// v81 -> v82
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NewMigration("update U2F counter type", changeU2FCounterType),
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// Gitea 1.8.3 ends at v82
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// v82 -> v83
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NewMigration("hot fix for wrong release sha1 on release table", fixReleaseSha1OnReleaseTable),
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// v83 -> v84
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NewMigration("add uploader id for table attachment", addUploaderIDForAttachment),
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// v84 -> v85
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NewMigration("add table to store original imported gpg keys", addGPGKeyImport),
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// v85 -> v86
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NewMigration("hash application token", hashAppToken),
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// v86 -> v87
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NewMigration("add http method to webhook", addHTTPMethodToWebhook),
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// v87 -> v88
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NewMigration("add avatar field to repository", addAvatarFieldToRepository),
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// Gitea 1.9.6 ends at v88
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// v88 -> v89
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NewMigration("add commit status context field to commit_status", addCommitStatusContext),
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// v89 -> v90
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NewMigration("add original author/url migration info to issues, comments, and repo ", addOriginalMigrationInfo),
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// v90 -> v91
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NewMigration("change length of some repository columns", changeSomeColumnsLengthOfRepo),
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// v91 -> v92
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NewMigration("add index on owner_id of repository and type, review_id of comment", addIndexOnRepositoryAndComment),
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// v92 -> v93
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NewMigration("remove orphaned repository index statuses", removeLingeringIndexStatus),
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// v93 -> v94
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NewMigration("add email notification enabled preference to user", addEmailNotificationEnabledToUser),
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// v94 -> v95
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NewMigration("add enable_status_check, status_check_contexts to protected_branch", addStatusCheckColumnsForProtectedBranches),
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// v95 -> v96
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NewMigration("add table columns for cross referencing issues", addCrossReferenceColumns),
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// v96 -> v97
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NewMigration("delete orphaned attachments", deleteOrphanedAttachments),
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// v97 -> v98
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NewMigration("add repo_admin_change_team_access to user", addRepoAdminChangeTeamAccessColumnForUser),
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// v98 -> v99
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NewMigration("add original author name and id on migrated release", addOriginalAuthorOnMigratedReleases),
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// Gitea 1.10.3 ends at v99
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// v99 -> v100
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NewMigration("add task table and status column for repository table", addTaskTable),
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// v100 -> v101
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NewMigration("update migration repositories' service type", updateMigrationServiceTypes),
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// v101 -> v102
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NewMigration("change length of some external login users columns", changeSomeColumnsLengthOfExternalLoginUser),
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// v102 -> v103
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NewMigration("update migration repositories' service type", dropColumnHeadUserNameOnPullRequest),
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// v103 -> v104
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NewMigration("Add WhitelistDeployKeys to protected branch", addWhitelistDeployKeysToBranches),
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// v104 -> v105
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NewMigration("remove unnecessary columns from label", removeLabelUneededCols),
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// v105 -> v106
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NewMigration("add includes_all_repositories to teams", addTeamIncludesAllRepositories),
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// v106 -> v107
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NewMigration("add column `mode` to table watch", addModeColumnToWatch),
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// v107 -> v108
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NewMigration("Add template options to repository", addTemplateToRepo),
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// v108 -> v109
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NewMigration("Add comment_id on table notification", addCommentIDOnNotification),
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// v109 -> v110
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NewMigration("add can_create_org_repo to team", addCanCreateOrgRepoColumnForTeam),
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// v110 -> v111
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NewMigration("change review content type to text", changeReviewContentToText),
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// v111 -> v112
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NewMigration("update branch protection for can push and whitelist enable", addBranchProtectionCanPushAndEnableWhitelist),
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// v112 -> v113
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NewMigration("remove release attachments which repository deleted", removeAttachmentMissedRepo),
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// v113 -> v114
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NewMigration("new feature: change target branch of pull requests", featureChangeTargetBranch),
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// v114 -> v115
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NewMigration("Remove authentication credentials from stored URL", sanitizeOriginalURL),
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// v115 -> v116
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NewMigration("add user_id prefix to existing user avatar name", renameExistingUserAvatarName),
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// v116 -> v117
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NewMigration("Extend TrackedTimes", extendTrackedTimes),
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// v117 -> v118
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NewMigration("Add block on rejected reviews branch protection", addBlockOnRejectedReviews),
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// v118 -> v119
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NewMigration("Add commit id and stale to reviews", addReviewCommitAndStale),
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// v119 -> v120
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NewMigration("Fix migrated repositories' git service type", fixMigratedRepositoryServiceType),
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// v120 -> v121
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NewMigration("Add owner_name on table repository", addOwnerNameOnRepository),
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// v121 -> v122
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NewMigration("add is_restricted column for users table", addIsRestricted),
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// v122 -> v123
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NewMigration("Add Require Signed Commits to ProtectedBranch", addRequireSignedCommits),
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// v123 -> v124
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NewMigration("Add original informations for reactions", addReactionOriginals),
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// v124 -> v125
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NewMigration("Add columns to user and repository", addUserRepoMissingColumns),
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// v125 -> v126
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NewMigration("Add some columns on review for migration", addReviewMigrateInfo),
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// v126 -> v127
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NewMigration("Fix topic repository count", fixTopicRepositoryCount),
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// v127 -> v128
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NewMigration("add repository code language statistics", addLanguageStats),
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// v128 -> v129
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NewMigration("fix merge base for pull requests", fixMergeBase),
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// v129 -> v130
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NewMigration("remove dependencies from deleted repositories", purgeUnusedDependencies),
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// v130 -> v131
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NewMigration("Expand webhooks for more granularity", expandWebhooks),
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// v131 -> v132
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NewMigration("Add IsSystemWebhook column to webhooks table", addSystemWebhookColumn),
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// v132 -> v133
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NewMigration("Add Branch Protection Protected Files Column", addBranchProtectionProtectedFilesColumn),
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// v133 -> v134
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NewMigration("Add EmailHash Table", addEmailHashTable),
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// v134 -> v135
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NewMigration("Refix merge base for merged pull requests", refixMergeBase),
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// v135 -> v136
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NewMigration("Add OrgID column to Labels table", addOrgIDLabelColumn),
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// v136 -> v137
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NewMigration("Add CommitsAhead and CommitsBehind Column to PullRequest Table", addCommitDivergenceToPulls),
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// v137 -> v138
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NewMigration("Add Branch Protection Block Outdated Branch", addBlockOnOutdatedBranch),
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// v138 -> v139
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NewMigration("Add ResolveDoerID to Comment table", addResolveDoerIDCommentColumn),
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// v139 -> v140
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NewMigration("prepend refs/heads/ to issue refs", prependRefsHeadsToIssueRefs),
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// v140 -> v141
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NewMigration("Save detected language file size to database instead of percent", fixLanguageStatsToSaveSize),
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// v141 -> v142
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NewMigration("Add KeepActivityPrivate to User table", addKeepActivityPrivateUserColumn),
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// v142 -> v143
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NewMigration("Ensure Repository.IsArchived is not null", setIsArchivedToFalse),
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// v143 -> v144
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NewMigration("recalculate Stars number for all user", recalculateStars),
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// v144 -> v145
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NewMigration("update Matrix Webhook http method to 'PUT'", updateMatrixWebhookHTTPMethod),
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// v145 -> v146
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NewMigration("Increase Language field to 50 in LanguageStats", increaseLanguageField),
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// v146 -> v147
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NewMigration("Add projects info to repository table", addProjectsInfo),
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// v147 -> v148
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NewMigration("create review for 0 review id code comments", createReviewsForCodeComments),
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// v148 -> v149
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NewMigration("remove issue dependency comments who refer to non existing issues", purgeInvalidDependenciesComments),
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// v149 -> v150
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NewMigration("Add Created and Updated to Milestone table", addCreatedAndUpdatedToMilestones),
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// v150 -> v151
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NewMigration("add primary key to repo_topic", addPrimaryKeyToRepoTopic),
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// v151 -> v152
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NewMigration("set default password algorithm to Argon2", setDefaultPasswordToArgon2),
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// v152 -> v153
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NewMigration("add TrustModel field to Repository", addTrustModelToRepository),
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// v153 > v154
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NewMigration("add Team review request support", addTeamReviewRequestSupport),
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// v154 > v155
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NewMigration("add timestamps to Star, Label, Follow, Watch and Collaboration", addTimeStamps),
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// v155 -> v156
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NewMigration("add changed_protected_files column for pull_request table", addChangedProtectedFilesPullRequestColumn),
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// v156 -> v157
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NewMigration("fix publisher ID for tag releases", fixPublisherIDforTagReleases),
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// v157 -> v158
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NewMigration("ensure repo topics are up-to-date", fixRepoTopics),
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// v158 -> v159
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NewMigration("code comment replies should have the commitID of the review they are replying to", updateCodeCommentReplies),
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}
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// GetCurrentDBVersion returns the current db version
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func GetCurrentDBVersion(x *xorm.Engine) (int64, error) {
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if err := x.Sync(new(Version)); err != nil {
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return -1, fmt.Errorf("sync: %v", err)
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}
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currentVersion := &Version{ID: 1}
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has, err := x.Get(currentVersion)
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if err != nil {
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return -1, fmt.Errorf("get: %v", err)
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}
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if !has {
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return -1, nil
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}
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return currentVersion.Version, nil
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}
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// ExpectedVersion returns the expected db version
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func ExpectedVersion() int64 {
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return int64(minDBVersion + len(migrations))
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}
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// EnsureUpToDate will check if the db is at the correct version
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func EnsureUpToDate(x *xorm.Engine) error {
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currentDB, err := GetCurrentDBVersion(x)
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if err != nil {
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return err
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}
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if currentDB < 0 {
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return fmt.Errorf("Database has not been initialised")
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}
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if minDBVersion > currentDB {
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return fmt.Errorf("DB version %d (<= %d) is too old for auto-migration. Upgrade to Gitea 1.6.4 first then upgrade to this version", currentDB, minDBVersion)
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}
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expected := ExpectedVersion()
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if currentDB != expected {
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return fmt.Errorf(`Current database version %d is not equal to the expected version %d. Please run "gitea [--config /path/to/app.ini] migrate" to update the database version`, currentDB, expected)
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}
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return nil
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}
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// Migrate database to current version
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func Migrate(x *xorm.Engine) error {
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if err := x.Sync(new(Version)); err != nil {
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return fmt.Errorf("sync: %v", err)
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}
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currentVersion := &Version{ID: 1}
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has, err := x.Get(currentVersion)
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if err != nil {
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return fmt.Errorf("get: %v", err)
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} else if !has {
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// If the version record does not exist we think
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// it is a fresh installation and we can skip all migrations.
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currentVersion.ID = 0
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currentVersion.Version = int64(minDBVersion + len(migrations))
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if _, err = x.InsertOne(currentVersion); err != nil {
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return fmt.Errorf("insert: %v", err)
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}
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}
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v := currentVersion.Version
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if minDBVersion > v {
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log.Fatal(`Gitea no longer supports auto-migration from your previously installed version.
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Please try upgrading to a lower version first (suggested v1.6.4), then upgrade to this version.`)
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return nil
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}
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// Downgrading Gitea's database version not supported
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if int(v-minDBVersion) > len(migrations) {
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msg := fmt.Sprintf("Downgrading database version from '%d' to '%d' is not supported and may result in loss of data integrity.\nIf you really know what you're doing, execute `UPDATE version SET version=%d WHERE id=1;`\n",
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v, minDBVersion+len(migrations), minDBVersion+len(migrations))
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fmt.Fprint(os.Stderr, msg)
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log.Fatal(msg)
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return nil
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}
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// Migrate
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for i, m := range migrations[v-minDBVersion:] {
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log.Info("Migration[%d]: %s", v+int64(i), m.Description())
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if err = m.Migrate(x); err != nil {
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return fmt.Errorf("do migrate: %v", err)
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}
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currentVersion.Version = v + int64(i) + 1
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if _, err = x.ID(1).Update(currentVersion); err != nil {
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return err
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}
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}
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return nil
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}
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// RecreateTables will recreate the tables for the provided beans using the newly provided bean definition and move all data to that new table
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// WARNING: YOU MUST PROVIDE THE FULL BEAN DEFINITION
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func RecreateTables(beans ...interface{}) func(*xorm.Engine) error {
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return func(x *xorm.Engine) error {
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sess := x.NewSession()
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defer sess.Close()
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if err := sess.Begin(); err != nil {
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return err
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}
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sess = sess.StoreEngine("InnoDB")
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for _, bean := range beans {
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log.Info("Recreating Table: %s for Bean: %s", x.TableName(bean), reflect.Indirect(reflect.ValueOf(bean)).Type().Name())
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if err := recreateTable(sess, bean); err != nil {
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return err
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}
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}
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return sess.Commit()
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}
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}
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// recreateTable will recreate the table using the newly provided bean definition and move all data to that new table
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// WARNING: YOU MUST PROVIDE THE FULL BEAN DEFINITION
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// WARNING: YOU MUST COMMIT THE SESSION AT THE END
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func recreateTable(sess *xorm.Session, bean interface{}) error {
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// TODO: This will not work if there are foreign keys
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tableName := sess.Engine().TableName(bean)
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tempTableName := fmt.Sprintf("tmp_recreate__%s", tableName)
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// We need to move the old table away and create a new one with the correct columns
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// We will need to do this in stages to prevent data loss
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//
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// First create the temporary table
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if err := sess.Table(tempTableName).CreateTable(bean); err != nil {
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log.Error("Unable to create table %s. Error: %v", tempTableName, err)
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return err
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}
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if err := sess.Table(tempTableName).CreateUniques(bean); err != nil {
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log.Error("Unable to create uniques for table %s. Error: %v", tempTableName, err)
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return err
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}
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if err := sess.Table(tempTableName).CreateIndexes(bean); err != nil {
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log.Error("Unable to create indexes for table %s. Error: %v", tempTableName, err)
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return err
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}
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// Work out the column names from the bean - these are the columns to select from the old table and install into the new table
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table, err := sess.Engine().TableInfo(bean)
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if err != nil {
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log.Error("Unable to get table info. Error: %v", err)
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return err
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}
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newTableColumns := table.Columns()
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if len(newTableColumns) == 0 {
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return fmt.Errorf("no columns in new table")
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}
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hasID := false
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for _, column := range newTableColumns {
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hasID = hasID || (column.IsPrimaryKey && column.IsAutoIncrement)
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}
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if hasID && setting.Database.UseMSSQL {
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if _, err := sess.Exec(fmt.Sprintf("SET IDENTITY_INSERT `%s` ON", tempTableName)); err != nil {
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log.Error("Unable to set identity insert for table %s. Error: %v", tempTableName, err)
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return err
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}
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}
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sqlStringBuilder := &strings.Builder{}
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_, _ = sqlStringBuilder.WriteString("INSERT INTO `")
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_, _ = sqlStringBuilder.WriteString(tempTableName)
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_, _ = sqlStringBuilder.WriteString("` (`")
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_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Name)
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_, _ = sqlStringBuilder.WriteString("`")
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for _, column := range newTableColumns[1:] {
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_, _ = sqlStringBuilder.WriteString(", `")
|
|
_, _ = sqlStringBuilder.WriteString(column.Name)
|
|
_, _ = sqlStringBuilder.WriteString("`")
|
|
}
|
|
_, _ = sqlStringBuilder.WriteString(")")
|
|
_, _ = sqlStringBuilder.WriteString(" SELECT ")
|
|
if newTableColumns[0].Default != "" {
|
|
_, _ = sqlStringBuilder.WriteString("COALESCE(`")
|
|
_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Name)
|
|
_, _ = sqlStringBuilder.WriteString("`, ")
|
|
_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Default)
|
|
_, _ = sqlStringBuilder.WriteString(")")
|
|
} else {
|
|
_, _ = sqlStringBuilder.WriteString("`")
|
|
_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Name)
|
|
_, _ = sqlStringBuilder.WriteString("`")
|
|
}
|
|
|
|
for _, column := range newTableColumns[1:] {
|
|
if column.Default != "" {
|
|
_, _ = sqlStringBuilder.WriteString(", COALESCE(`")
|
|
_, _ = sqlStringBuilder.WriteString(column.Name)
|
|
_, _ = sqlStringBuilder.WriteString("`, ")
|
|
_, _ = sqlStringBuilder.WriteString(column.Default)
|
|
_, _ = sqlStringBuilder.WriteString(")")
|
|
} else {
|
|
_, _ = sqlStringBuilder.WriteString(", `")
|
|
_, _ = sqlStringBuilder.WriteString(column.Name)
|
|
_, _ = sqlStringBuilder.WriteString("`")
|
|
}
|
|
}
|
|
_, _ = sqlStringBuilder.WriteString(" FROM `")
|
|
_, _ = sqlStringBuilder.WriteString(tableName)
|
|
_, _ = sqlStringBuilder.WriteString("`")
|
|
|
|
if _, err := sess.Exec(sqlStringBuilder.String()); err != nil {
|
|
log.Error("Unable to set copy data in to temp table %s. Error: %v", tempTableName, err)
|
|
return err
|
|
}
|
|
|
|
if hasID && setting.Database.UseMSSQL {
|
|
if _, err := sess.Exec(fmt.Sprintf("SET IDENTITY_INSERT `%s` OFF", tempTableName)); err != nil {
|
|
log.Error("Unable to switch off identity insert for table %s. Error: %v", tempTableName, err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
switch {
|
|
case setting.Database.UseSQLite3:
|
|
// SQLite will drop all the constraints on the old table
|
|
if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s`", tableName)); err != nil {
|
|
log.Error("Unable to drop old table %s. Error: %v", tableName, err)
|
|
return err
|
|
}
|
|
|
|
if err := sess.Table(tempTableName).DropIndexes(bean); err != nil {
|
|
log.Error("Unable to drop indexes on temporary table %s. Error: %v", tempTableName, err)
|
|
return err
|
|
}
|
|
|
|
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` RENAME TO `%s`", tempTableName, tableName)); err != nil {
|
|
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
|
|
return err
|
|
}
|
|
|
|
if err := sess.Table(tableName).CreateIndexes(bean); err != nil {
|
|
log.Error("Unable to recreate indexes on table %s. Error: %v", tableName, err)
|
|
return err
|
|
}
|
|
|
|
if err := sess.Table(tableName).CreateUniques(bean); err != nil {
|
|
log.Error("Unable to recreate uniques on table %s. Error: %v", tableName, err)
|
|
return err
|
|
}
|
|
|
|
case setting.Database.UseMySQL:
|
|
// MySQL will drop all the constraints on the old table
|
|
if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s`", tableName)); err != nil {
|
|
log.Error("Unable to drop old table %s. Error: %v", tableName, err)
|
|
return err
|
|
}
|
|
|
|
// SQLite and MySQL will move all the constraints from the temporary table to the new table
|
|
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` RENAME TO `%s`", tempTableName, tableName)); err != nil {
|
|
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
|
|
return err
|
|
}
|
|
case setting.Database.UsePostgreSQL:
|
|
// CASCADE causes postgres to drop all the constraints on the old table
|
|
if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s` CASCADE", tableName)); err != nil {
|
|
log.Error("Unable to drop old table %s. Error: %v", tableName, err)
|
|
return err
|
|
}
|
|
|
|
// CASCADE causes postgres to move all the constraints from the temporary table to the new table
|
|
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` RENAME TO `%s`", tempTableName, tableName)); err != nil {
|
|
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
|
|
return err
|
|
}
|
|
|
|
var indices []string
|
|
schema := sess.Engine().Dialect().URI().Schema
|
|
sess.Engine().SetSchema("")
|
|
if err := sess.Table("pg_indexes").Cols("indexname").Where("tablename = ? ", tableName).Find(&indices); err != nil {
|
|
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
|
|
return err
|
|
}
|
|
sess.Engine().SetSchema(schema)
|
|
|
|
for _, index := range indices {
|
|
newIndexName := strings.Replace(index, "tmp_recreate__", "", 1)
|
|
if _, err := sess.Exec(fmt.Sprintf("ALTER INDEX `%s` RENAME TO `%s`", index, newIndexName)); err != nil {
|
|
log.Error("Unable to rename %s to %s. Error: %v", index, newIndexName, err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
case setting.Database.UseMSSQL:
|
|
// MSSQL will drop all the constraints on the old table
|
|
if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s`", tableName)); err != nil {
|
|
log.Error("Unable to drop old table %s. Error: %v", tableName, err)
|
|
return err
|
|
}
|
|
|
|
// MSSQL sp_rename will move all the constraints from the temporary table to the new table
|
|
if _, err := sess.Exec(fmt.Sprintf("sp_rename `%s`,`%s`", tempTableName, tableName)); err != nil {
|
|
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
|
|
return err
|
|
}
|
|
|
|
default:
|
|
log.Fatal("Unrecognized DB")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// WARNING: YOU MUST COMMIT THE SESSION AT THE END
|
|
func dropTableColumns(sess *xorm.Session, tableName string, columnNames ...string) (err error) {
|
|
if tableName == "" || len(columnNames) == 0 {
|
|
return nil
|
|
}
|
|
// TODO: This will not work if there are foreign keys
|
|
|
|
switch {
|
|
case setting.Database.UseSQLite3:
|
|
// First drop the indexes on the columns
|
|
res, errIndex := sess.Query(fmt.Sprintf("PRAGMA index_list(`%s`)", tableName))
|
|
if errIndex != nil {
|
|
return errIndex
|
|
}
|
|
for _, row := range res {
|
|
indexName := row["name"]
|
|
indexRes, err := sess.Query(fmt.Sprintf("PRAGMA index_info(`%s`)", indexName))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if len(indexRes) != 1 {
|
|
continue
|
|
}
|
|
indexColumn := string(indexRes[0]["name"])
|
|
for _, name := range columnNames {
|
|
if name == indexColumn {
|
|
_, err := sess.Exec(fmt.Sprintf("DROP INDEX `%s`", indexName))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Here we need to get the columns from the original table
|
|
sql := fmt.Sprintf("SELECT sql FROM sqlite_master WHERE tbl_name='%s' and type='table'", tableName)
|
|
res, err := sess.Query(sql)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tableSQL := string(res[0]["sql"])
|
|
|
|
// Separate out the column definitions
|
|
tableSQL = tableSQL[strings.Index(tableSQL, "("):]
|
|
|
|
// Remove the required columnNames
|
|
for _, name := range columnNames {
|
|
tableSQL = regexp.MustCompile(regexp.QuoteMeta("`"+name+"`")+"[^`,)]*?[,)]").ReplaceAllString(tableSQL, "")
|
|
}
|
|
|
|
// Ensure the query is ended properly
|
|
tableSQL = strings.TrimSpace(tableSQL)
|
|
if tableSQL[len(tableSQL)-1] != ')' {
|
|
if tableSQL[len(tableSQL)-1] == ',' {
|
|
tableSQL = tableSQL[:len(tableSQL)-1]
|
|
}
|
|
tableSQL += ")"
|
|
}
|
|
|
|
// Find all the columns in the table
|
|
columns := regexp.MustCompile("`([^`]*)`").FindAllString(tableSQL, -1)
|
|
|
|
tableSQL = fmt.Sprintf("CREATE TABLE `new_%s_new` ", tableName) + tableSQL
|
|
if _, err := sess.Exec(tableSQL); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Now restore the data
|
|
columnsSeparated := strings.Join(columns, ",")
|
|
insertSQL := fmt.Sprintf("INSERT INTO `new_%s_new` (%s) SELECT %s FROM %s", tableName, columnsSeparated, columnsSeparated, tableName)
|
|
if _, err := sess.Exec(insertSQL); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Now drop the old table
|
|
if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s`", tableName)); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Rename the table
|
|
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `new_%s_new` RENAME TO `%s`", tableName, tableName)); err != nil {
|
|
return err
|
|
}
|
|
|
|
case setting.Database.UsePostgreSQL:
|
|
cols := ""
|
|
for _, col := range columnNames {
|
|
if cols != "" {
|
|
cols += ", "
|
|
}
|
|
cols += "DROP COLUMN `" + col + "` CASCADE"
|
|
}
|
|
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` %s", tableName, cols)); err != nil {
|
|
return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
|
|
}
|
|
case setting.Database.UseMySQL:
|
|
// Drop indexes on columns first
|
|
sql := fmt.Sprintf("SHOW INDEX FROM %s WHERE column_name IN ('%s')", tableName, strings.Join(columnNames, "','"))
|
|
res, err := sess.Query(sql)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for _, index := range res {
|
|
indexName := index["column_name"]
|
|
if len(indexName) > 0 {
|
|
_, err := sess.Exec(fmt.Sprintf("DROP INDEX `%s` ON `%s`", indexName, tableName))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now drop the columns
|
|
cols := ""
|
|
for _, col := range columnNames {
|
|
if cols != "" {
|
|
cols += ", "
|
|
}
|
|
cols += "DROP COLUMN `" + col + "`"
|
|
}
|
|
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` %s", tableName, cols)); err != nil {
|
|
return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
|
|
}
|
|
case setting.Database.UseMSSQL:
|
|
cols := ""
|
|
for _, col := range columnNames {
|
|
if cols != "" {
|
|
cols += ", "
|
|
}
|
|
cols += "`" + strings.ToLower(col) + "`"
|
|
}
|
|
sql := fmt.Sprintf("SELECT Name FROM SYS.DEFAULT_CONSTRAINTS WHERE PARENT_OBJECT_ID = OBJECT_ID('%[1]s') AND PARENT_COLUMN_ID IN (SELECT column_id FROM sys.columns WHERE lower(NAME) IN (%[2]s) AND object_id = OBJECT_ID('%[1]s'))",
|
|
tableName, strings.ReplaceAll(cols, "`", "'"))
|
|
constraints := make([]string, 0)
|
|
if err := sess.SQL(sql).Find(&constraints); err != nil {
|
|
return fmt.Errorf("Find constraints: %v", err)
|
|
}
|
|
for _, constraint := range constraints {
|
|
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` DROP CONSTRAINT `%s`", tableName, constraint)); err != nil {
|
|
return fmt.Errorf("Drop table `%s` constraint `%s`: %v", tableName, constraint, err)
|
|
}
|
|
}
|
|
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` DROP COLUMN %s", tableName, cols)); err != nil {
|
|
return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
|
|
}
|
|
default:
|
|
log.Fatal("Unrecognized DB")
|
|
}
|
|
|
|
return nil
|
|
}
|