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diff --git a/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementAdjustWorkflow.php b/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementAdjustWorkflow.php
--- a/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementAdjustWorkflow.php
+++ b/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementAdjustWorkflow.php
@@ -27,9 +27,10 @@
public function execute(PhutilArgumentParser $args) {
$force = $args->getArg('force');
$unsafe = $args->getArg('unsafe');
+ $dry_run = $args->getArg('dryrun');
$this->requireAllPatchesApplied();
- return $this->adjustSchemata($force, $unsafe);
+ return $this->adjustSchemata($force, $unsafe, $dry_run);
}
private function requireAllPatchesApplied() {
@@ -60,606 +61,4 @@
}
}
- private function loadSchemata() {
- $query = id(new PhabricatorConfigSchemaQuery())
- ->setAPI($this->getAPI());
-
- $actual = $query->loadActualSchema();
- $expect = $query->loadExpectedSchema();
- $comp = $query->buildComparisonSchema($expect, $actual);
-
- return array($comp, $expect, $actual);
- }
-
- private function adjustSchemata($force, $unsafe) {
- $console = PhutilConsole::getConsole();
-
- $console->writeOut(
- "%s\n",
- pht('Verifying database schemata...'));
-
- list($adjustments, $errors) = $this->findAdjustments();
- $api = $this->getAPI();
-
- if (!$adjustments) {
- $console->writeOut(
- "%s\n",
- pht('Found no adjustments for schemata.'));
-
- return $this->printErrors($errors, 0);
- }
-
- if (!$force && !$api->isCharacterSetAvailable('utf8mb4')) {
- $message = pht(
- "You have an old version of MySQL (older than 5.5) which does not ".
- "support the utf8mb4 character set. If you apply adjustments now ".
- "and later update MySQL to 5.5 or newer, you'll need to apply ".
- "adjustments again (and they will take a long time).\n\n".
- "You can exit this workflow, update MySQL now, and then run this ".
- "workflow again. This is recommended, but may cause a lot of downtime ".
- "right now.\n\n".
- "You can exit this workflow, continue using Phabricator without ".
- "applying adjustments, update MySQL at a later date, and then run ".
- "this workflow again. This is also a good approach, and will let you ".
- "delay downtime until later.\n\n".
- "You can proceed with this workflow, and then optionally update ".
- "MySQL at a later date. After you do, you'll need to apply ".
- "adjustments again.\n\n".
- "For more information, see \"Managing Storage Adjustments\" in ".
- "the documentation.");
-
- $console->writeOut(
- "\n**<bg:yellow> %s </bg>**\n\n%s\n",
- pht('OLD MySQL VERSION'),
- phutil_console_wrap($message));
-
- $prompt = pht('Continue with old MySQL version?');
- if (!phutil_console_confirm($prompt, $default_no = true)) {
- return;
- }
- }
-
- $table = id(new PhutilConsoleTable())
- ->addColumn('database', array('title' => pht('Database')))
- ->addColumn('table', array('title' => pht('Table')))
- ->addColumn('name', array('title' => pht('Name')))
- ->addColumn('info', array('title' => pht('Issues')));
-
- foreach ($adjustments as $adjust) {
- $info = array();
- foreach ($adjust['issues'] as $issue) {
- $info[] = PhabricatorConfigStorageSchema::getIssueName($issue);
- }
-
- $table->addRow(array(
- 'database' => $adjust['database'],
- 'table' => idx($adjust, 'table'),
- 'name' => idx($adjust, 'name'),
- 'info' => implode(', ', $info),
- ));
- }
-
- $console->writeOut("\n\n");
-
- $table->draw();
-
- if (!$force) {
- $console->writeOut(
- "\n%s\n",
- pht(
- "Found %s issues(s) with schemata, detailed above.\n\n".
- "You can review issues in more detail from the web interface, ".
- "in Config > Database Status. To better understand the adjustment ".
- "workflow, see \"Managing Storage Adjustments\" in the ".
- "documentation.\n\n".
- "MySQL needs to copy table data to make some adjustments, so these ".
- "migrations may take some time.",
- new PhutilNumber(count($adjustments))));
-
- $prompt = pht('Fix these schema issues?');
- if (!phutil_console_confirm($prompt, $default_no = true)) {
- return;
- }
- }
-
- $console->writeOut(
- "%s\n",
- pht('Dropping caches, for faster migrations...'));
-
- $root = dirname(phutil_get_library_root('phabricator'));
- $bin = $root.'/bin/cache';
- phutil_passthru('%s purge --purge-all', $bin);
-
- $console->writeOut(
- "%s\n",
- pht('Fixing schema issues...'));
-
- $conn = $api->getConn(null);
-
- if ($unsafe) {
- queryfx($conn, 'SET SESSION sql_mode = %s', '');
- } else {
- queryfx($conn, 'SET SESSION sql_mode = %s', 'STRICT_ALL_TABLES');
- }
-
- $failed = array();
-
- // We make changes in several phases.
- $phases = array(
- // Drop surplus autoincrements. This allows us to drop primary keys on
- // autoincrement columns.
- 'drop_auto',
-
- // Drop all keys we're going to adjust. This prevents them from
- // interfering with column changes.
- 'drop_keys',
-
- // Apply all database, table, and column changes.
- 'main',
-
- // Restore adjusted keys.
- 'add_keys',
-
- // Add missing autoincrements.
- 'add_auto',
- );
-
- $bar = id(new PhutilConsoleProgressBar())
- ->setTotal(count($adjustments) * count($phases));
-
- foreach ($phases as $phase) {
- foreach ($adjustments as $adjust) {
- try {
- switch ($adjust['kind']) {
- case 'database':
- if ($phase == 'main') {
- queryfx(
- $conn,
- 'ALTER DATABASE %T CHARACTER SET = %s COLLATE = %s',
- $adjust['database'],
- $adjust['charset'],
- $adjust['collation']);
- }
- break;
- case 'table':
- if ($phase == 'main') {
- queryfx(
- $conn,
- 'ALTER TABLE %T.%T COLLATE = %s',
- $adjust['database'],
- $adjust['table'],
- $adjust['collation']);
- }
- break;
- case 'column':
- $apply = false;
- $auto = false;
- $new_auto = idx($adjust, 'auto');
- if ($phase == 'drop_auto') {
- if ($new_auto === false) {
- $apply = true;
- $auto = false;
- }
- } else if ($phase == 'main') {
- $apply = true;
- if ($new_auto === false) {
- $auto = false;
- } else {
- $auto = $adjust['is_auto'];
- }
- } else if ($phase == 'add_auto') {
- if ($new_auto === true) {
- $apply = true;
- $auto = true;
- }
- }
-
- if ($apply) {
- $parts = array();
-
- if ($auto) {
- $parts[] = qsprintf(
- $conn,
- 'AUTO_INCREMENT');
- }
-
- if ($adjust['charset']) {
- $parts[] = qsprintf(
- $conn,
- 'CHARACTER SET %Q COLLATE %Q',
- $adjust['charset'],
- $adjust['collation']);
- }
-
- queryfx(
- $conn,
- 'ALTER TABLE %T.%T MODIFY %T %Q %Q %Q',
- $adjust['database'],
- $adjust['table'],
- $adjust['name'],
- $adjust['type'],
- implode(' ', $parts),
- $adjust['nullable'] ? 'NULL' : 'NOT NULL');
- }
- break;
- case 'key':
- if (($phase == 'drop_keys') && $adjust['exists']) {
- if ($adjust['name'] == 'PRIMARY') {
- $key_name = 'PRIMARY KEY';
- } else {
- $key_name = qsprintf($conn, 'KEY %T', $adjust['name']);
- }
-
- queryfx(
- $conn,
- 'ALTER TABLE %T.%T DROP %Q',
- $adjust['database'],
- $adjust['table'],
- $key_name);
- }
-
- if (($phase == 'add_keys') && $adjust['keep']) {
- // Different keys need different creation syntax. Notable
- // special cases are primary keys and fulltext keys.
- if ($adjust['name'] == 'PRIMARY') {
- $key_name = 'PRIMARY KEY';
- } else if ($adjust['indexType'] == 'FULLTEXT') {
- $key_name = qsprintf($conn, 'FULLTEXT %T', $adjust['name']);
- } else {
- if ($adjust['unique']) {
- $key_name = qsprintf(
- $conn,
- 'UNIQUE KEY %T',
- $adjust['name']);
- } else {
- $key_name = qsprintf(
- $conn,
- '/* NONUNIQUE */ KEY %T',
- $adjust['name']);
- }
- }
-
- queryfx(
- $conn,
- 'ALTER TABLE %T.%T ADD %Q (%Q)',
- $adjust['database'],
- $adjust['table'],
- $key_name,
- implode(', ', $adjust['columns']));
- }
- break;
- default:
- throw new Exception(
- pht('Unknown schema adjustment kind "%s"!', $adjust['kind']));
- }
- } catch (AphrontQueryException $ex) {
- $failed[] = array($adjust, $ex);
- }
- $bar->update(1);
- }
- }
- $bar->done();
-
- if (!$failed) {
- $console->writeOut(
- "%s\n",
- pht('Completed fixing all schema issues.'));
-
- $err = 0;
- } else {
- $table = id(new PhutilConsoleTable())
- ->addColumn('target', array('title' => pht('Target')))
- ->addColumn('error', array('title' => pht('Error')));
-
- foreach ($failed as $failure) {
- list($adjust, $ex) = $failure;
-
- $pieces = array_select_keys(
- $adjust,
- array('database', 'table', 'name'));
- $pieces = array_filter($pieces);
- $target = implode('.', $pieces);
-
- $table->addRow(
- array(
- 'target' => $target,
- 'error' => $ex->getMessage(),
- ));
- }
-
- $console->writeOut("\n");
- $table->draw();
- $console->writeOut(
- "\n%s\n",
- pht('Failed to make some schema adjustments, detailed above.'));
- $console->writeOut(
- "%s\n",
- pht(
- 'For help troubleshooting adjustments, see "Managing Storage '.
- 'Adjustments" in the documentation.'));
-
- $err = 1;
- }
-
- return $this->printErrors($errors, $err);
- }
-
- private function findAdjustments() {
- list($comp, $expect, $actual) = $this->loadSchemata();
-
- $issue_charset = PhabricatorConfigStorageSchema::ISSUE_CHARSET;
- $issue_collation = PhabricatorConfigStorageSchema::ISSUE_COLLATION;
- $issue_columntype = PhabricatorConfigStorageSchema::ISSUE_COLUMNTYPE;
- $issue_surpluskey = PhabricatorConfigStorageSchema::ISSUE_SURPLUSKEY;
- $issue_missingkey = PhabricatorConfigStorageSchema::ISSUE_MISSINGKEY;
- $issue_columns = PhabricatorConfigStorageSchema::ISSUE_KEYCOLUMNS;
- $issue_unique = PhabricatorConfigStorageSchema::ISSUE_UNIQUE;
- $issue_longkey = PhabricatorConfigStorageSchema::ISSUE_LONGKEY;
- $issue_auto = PhabricatorConfigStorageSchema::ISSUE_AUTOINCREMENT;
-
- $adjustments = array();
- $errors = array();
- foreach ($comp->getDatabases() as $database_name => $database) {
- foreach ($this->findErrors($database) as $issue) {
- $errors[] = array(
- 'database' => $database_name,
- 'issue' => $issue,
- );
- }
-
- $expect_database = $expect->getDatabase($database_name);
- $actual_database = $actual->getDatabase($database_name);
-
- if (!$expect_database || !$actual_database) {
- // If there's a real issue here, skip this stuff.
- continue;
- }
-
- $issues = array();
- if ($database->hasIssue($issue_charset)) {
- $issues[] = $issue_charset;
- }
- if ($database->hasIssue($issue_collation)) {
- $issues[] = $issue_collation;
- }
-
- if ($issues) {
- $adjustments[] = array(
- 'kind' => 'database',
- 'database' => $database_name,
- 'issues' => $issues,
- 'charset' => $expect_database->getCharacterSet(),
- 'collation' => $expect_database->getCollation(),
- );
- }
-
- foreach ($database->getTables() as $table_name => $table) {
- foreach ($this->findErrors($table) as $issue) {
- $errors[] = array(
- 'database' => $database_name,
- 'table' => $table_name,
- 'issue' => $issue,
- );
- }
-
- $expect_table = $expect_database->getTable($table_name);
- $actual_table = $actual_database->getTable($table_name);
-
- if (!$expect_table || !$actual_table) {
- continue;
- }
-
- $issues = array();
- if ($table->hasIssue($issue_collation)) {
- $issues[] = $issue_collation;
- }
-
- if ($issues) {
- $adjustments[] = array(
- 'kind' => 'table',
- 'database' => $database_name,
- 'table' => $table_name,
- 'issues' => $issues,
- 'collation' => $expect_table->getCollation(),
- );
- }
-
- foreach ($table->getColumns() as $column_name => $column) {
- foreach ($this->findErrors($column) as $issue) {
- $errors[] = array(
- 'database' => $database_name,
- 'table' => $table_name,
- 'name' => $column_name,
- 'issue' => $issue,
- );
- }
-
- $expect_column = $expect_table->getColumn($column_name);
- $actual_column = $actual_table->getColumn($column_name);
-
- if (!$expect_column || !$actual_column) {
- continue;
- }
-
- $issues = array();
- if ($column->hasIssue($issue_collation)) {
- $issues[] = $issue_collation;
- }
- if ($column->hasIssue($issue_charset)) {
- $issues[] = $issue_charset;
- }
- if ($column->hasIssue($issue_columntype)) {
- $issues[] = $issue_columntype;
- }
- if ($column->hasIssue($issue_auto)) {
- $issues[] = $issue_auto;
- }
-
- if ($issues) {
- if ($expect_column->getCharacterSet() === null) {
- // For non-text columns, we won't be specifying a collation or
- // character set.
- $charset = null;
- $collation = null;
- } else {
- $charset = $expect_column->getCharacterSet();
- $collation = $expect_column->getCollation();
- }
-
- $adjustment = array(
- 'kind' => 'column',
- 'database' => $database_name,
- 'table' => $table_name,
- 'name' => $column_name,
- 'issues' => $issues,
- 'collation' => $collation,
- 'charset' => $charset,
- 'type' => $expect_column->getColumnType(),
-
- // NOTE: We don't adjust column nullability because it is
- // dangerous, so always use the current nullability.
- 'nullable' => $actual_column->getNullable(),
-
- // NOTE: This always stores the current value, because we have
- // to make these updates separately.
- 'is_auto' => $actual_column->getAutoIncrement(),
- );
-
- if ($column->hasIssue($issue_auto)) {
- $adjustment['auto'] = $expect_column->getAutoIncrement();
- }
-
- $adjustments[] = $adjustment;
- }
- }
-
- foreach ($table->getKeys() as $key_name => $key) {
- foreach ($this->findErrors($key) as $issue) {
- $errors[] = array(
- 'database' => $database_name,
- 'table' => $table_name,
- 'name' => $key_name,
- 'issue' => $issue,
- );
- }
-
- $expect_key = $expect_table->getKey($key_name);
- $actual_key = $actual_table->getKey($key_name);
-
- $issues = array();
- $keep_key = true;
- if ($key->hasIssue($issue_surpluskey)) {
- $issues[] = $issue_surpluskey;
- $keep_key = false;
- }
-
- if ($key->hasIssue($issue_missingkey)) {
- $issues[] = $issue_missingkey;
- }
-
- if ($key->hasIssue($issue_columns)) {
- $issues[] = $issue_columns;
- }
-
- if ($key->hasIssue($issue_unique)) {
- $issues[] = $issue_unique;
- }
-
- // NOTE: We can't really fix this, per se, but we may need to remove
- // the key to change the column type. In the best case, the new
- // column type won't be overlong and recreating the key really will
- // fix the issue. In the worst case, we get the right column type and
- // lose the key, which is still better than retaining the key having
- // the wrong column type.
- if ($key->hasIssue($issue_longkey)) {
- $issues[] = $issue_longkey;
- }
-
- if ($issues) {
- $adjustment = array(
- 'kind' => 'key',
- 'database' => $database_name,
- 'table' => $table_name,
- 'name' => $key_name,
- 'issues' => $issues,
- 'exists' => (bool)$actual_key,
- 'keep' => $keep_key,
- );
-
- if ($keep_key) {
- $adjustment += array(
- 'columns' => $expect_key->getColumnNames(),
- 'unique' => $expect_key->getUnique(),
- 'indexType' => $expect_key->getIndexType(),
- );
- }
-
- $adjustments[] = $adjustment;
- }
- }
- }
- }
-
- return array($adjustments, $errors);
- }
-
- private function findErrors(PhabricatorConfigStorageSchema $schema) {
- $result = array();
- foreach ($schema->getLocalIssues() as $issue) {
- $status = PhabricatorConfigStorageSchema::getIssueStatus($issue);
- if ($status == PhabricatorConfigStorageSchema::STATUS_FAIL) {
- $result[] = $issue;
- }
- }
- return $result;
- }
-
- private function printErrors(array $errors, $default_return) {
- if (!$errors) {
- return $default_return;
- }
-
- $console = PhutilConsole::getConsole();
-
- $table = id(new PhutilConsoleTable())
- ->addColumn('target', array('title' => pht('Target')))
- ->addColumn('error', array('title' => pht('Error')));
-
- foreach ($errors as $error) {
- $pieces = array_select_keys(
- $error,
- array('database', 'table', 'name'));
- $pieces = array_filter($pieces);
- $target = implode('.', $pieces);
-
- $name = PhabricatorConfigStorageSchema::getIssueName($error['issue']);
-
- $table->addRow(
- array(
- 'target' => $target,
- 'error' => $name,
- ));
- }
-
- $console->writeOut("\n");
- $table->draw();
- $console->writeOut("\n");
-
- $message = pht(
- "The schemata have serious errors (detailed above) which the adjustment ".
- "workflow can not fix.\n\n".
- "If you are not developing Phabricator itself, report this issue to ".
- "the upstream.\n\n".
- "If you are developing Phabricator, these errors usually indicate that ".
- "your schema specifications do not agree with the schemata your code ".
- "actually builds.");
-
- $console->writeOut(
- "**<bg:red> %s </bg>**\n\n%s\n",
- pht('SCHEMATA ERRORS'),
- phutil_console_wrap($message));
-
- return 2;
- }
-
}
diff --git a/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementUpgradeWorkflow.php b/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementUpgradeWorkflow.php
--- a/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementUpgradeWorkflow.php
+++ b/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementUpgradeWorkflow.php
@@ -13,18 +13,26 @@
array(
'name' => 'apply',
'param' => 'patch',
- 'help' => 'Apply __patch__ explicitly. This is an advanced '.
- 'feature for development and debugging; you should '.
- 'not normally use this flag.',
+ 'help' => pht(
+ 'Apply __patch__ explicitly. This is an advanced feature for '.
+ 'development and debugging; you should not normally use this '.
+ 'flag. This skips adjustment.'),
),
array(
'name' => 'no-quickstart',
- 'help' => 'Build storage patch-by-patch from scatch, even if it '.
- 'could be loaded from the quickstart template.',
+ 'help' => pht(
+ 'Build storage patch-by-patch from scatch, even if it could '.
+ 'be loaded from the quickstart template.'),
),
array(
'name' => 'init-only',
- 'help' => 'Initialize storage only; do not apply patches.',
+ 'help' => pht(
+ 'Initialize storage only; do not apply patches or adjustments.'),
+ ),
+ array(
+ 'name' => 'no-adjust',
+ 'help' => pht(
+ 'Do not apply storage adjustments after storage upgrades.'),
),
));
}
@@ -59,6 +67,7 @@
$no_quickstart = $args->getArg('no-quickstart');
$init_only = $args->getArg('init-only');
+ $no_adjust = $args->getArg('no-adjust');
$applied = $api->getAppliedPatches();
if ($applied === null) {
@@ -187,7 +196,15 @@
}
}
- return 0;
+ $console = PhutilConsole::getConsole();
+ if ($no_adjust || $init_only || $apply_only) {
+ $console->writeOut(
+ "%s\n",
+ pht('Declining to apply storage adjustments.'));
+ return 0;
+ } else {
+ return $this->adjustSchemata($is_force, $unsafe = false, $is_dry);
+ }
}
}
diff --git a/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementWorkflow.php b/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementWorkflow.php
--- a/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementWorkflow.php
+++ b/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementWorkflow.php
@@ -25,4 +25,611 @@
return $this->api;
}
+ private function loadSchemata() {
+ $query = id(new PhabricatorConfigSchemaQuery())
+ ->setAPI($this->getAPI());
+
+ $actual = $query->loadActualSchema();
+ $expect = $query->loadExpectedSchema();
+ $comp = $query->buildComparisonSchema($expect, $actual);
+
+ return array($comp, $expect, $actual);
+ }
+
+ protected function adjustSchemata($force, $unsafe, $dry_run) {
+ $console = PhutilConsole::getConsole();
+
+ $console->writeOut(
+ "%s\n",
+ pht('Verifying database schemata...'));
+
+ list($adjustments, $errors) = $this->findAdjustments();
+ $api = $this->getAPI();
+
+ if (!$adjustments) {
+ $console->writeOut(
+ "%s\n",
+ pht('Found no adjustments for schemata.'));
+
+ return $this->printErrors($errors, 0);
+ }
+
+ if (!$force && !$api->isCharacterSetAvailable('utf8mb4')) {
+ $message = pht(
+ "You have an old version of MySQL (older than 5.5) which does not ".
+ "support the utf8mb4 character set. If you apply adjustments now ".
+ "and later update MySQL to 5.5 or newer, you'll need to apply ".
+ "adjustments again (and they will take a long time).\n\n".
+ "You can exit this workflow, update MySQL now, and then run this ".
+ "workflow again. This is recommended, but may cause a lot of downtime ".
+ "right now.\n\n".
+ "You can exit this workflow, continue using Phabricator without ".
+ "applying adjustments, update MySQL at a later date, and then run ".
+ "this workflow again. This is also a good approach, and will let you ".
+ "delay downtime until later.\n\n".
+ "You can proceed with this workflow, and then optionally update ".
+ "MySQL at a later date. After you do, you'll need to apply ".
+ "adjustments again.\n\n".
+ "For more information, see \"Managing Storage Adjustments\" in ".
+ "the documentation.");
+
+ $console->writeOut(
+ "\n**<bg:yellow> %s </bg>**\n\n%s\n",
+ pht('OLD MySQL VERSION'),
+ phutil_console_wrap($message));
+
+ $prompt = pht('Continue with old MySQL version?');
+ if (!phutil_console_confirm($prompt, $default_no = true)) {
+ return;
+ }
+ }
+
+ $table = id(new PhutilConsoleTable())
+ ->addColumn('database', array('title' => pht('Database')))
+ ->addColumn('table', array('title' => pht('Table')))
+ ->addColumn('name', array('title' => pht('Name')))
+ ->addColumn('info', array('title' => pht('Issues')));
+
+ foreach ($adjustments as $adjust) {
+ $info = array();
+ foreach ($adjust['issues'] as $issue) {
+ $info[] = PhabricatorConfigStorageSchema::getIssueName($issue);
+ }
+
+ $table->addRow(array(
+ 'database' => $adjust['database'],
+ 'table' => idx($adjust, 'table'),
+ 'name' => idx($adjust, 'name'),
+ 'info' => implode(', ', $info),
+ ));
+ }
+
+ $console->writeOut("\n\n");
+
+ $table->draw();
+
+ if ($dry_run) {
+ $console->writeOut(
+ "%s\n",
+ pht('DRYRUN: Would apply adjustments.'));
+ return 0;
+ } else if (!$force) {
+ $console->writeOut(
+ "\n%s\n",
+ pht(
+ "Found %s issues(s) with schemata, detailed above.\n\n".
+ "You can review issues in more detail from the web interface, ".
+ "in Config > Database Status. To better understand the adjustment ".
+ "workflow, see \"Managing Storage Adjustments\" in the ".
+ "documentation.\n\n".
+ "MySQL needs to copy table data to make some adjustments, so these ".
+ "migrations may take some time.",
+ new PhutilNumber(count($adjustments))));
+
+ $prompt = pht('Fix these schema issues?');
+ if (!phutil_console_confirm($prompt, $default_no = true)) {
+ return 1;
+ }
+ }
+
+ $console->writeOut(
+ "%s\n",
+ pht('Dropping caches, for faster migrations...'));
+
+ $root = dirname(phutil_get_library_root('phabricator'));
+ $bin = $root.'/bin/cache';
+ phutil_passthru('%s purge --purge-all', $bin);
+
+ $console->writeOut(
+ "%s\n",
+ pht('Fixing schema issues...'));
+
+ $conn = $api->getConn(null);
+
+ if ($unsafe) {
+ queryfx($conn, 'SET SESSION sql_mode = %s', '');
+ } else {
+ queryfx($conn, 'SET SESSION sql_mode = %s', 'STRICT_ALL_TABLES');
+ }
+
+ $failed = array();
+
+ // We make changes in several phases.
+ $phases = array(
+ // Drop surplus autoincrements. This allows us to drop primary keys on
+ // autoincrement columns.
+ 'drop_auto',
+
+ // Drop all keys we're going to adjust. This prevents them from
+ // interfering with column changes.
+ 'drop_keys',
+
+ // Apply all database, table, and column changes.
+ 'main',
+
+ // Restore adjusted keys.
+ 'add_keys',
+
+ // Add missing autoincrements.
+ 'add_auto',
+ );
+
+ $bar = id(new PhutilConsoleProgressBar())
+ ->setTotal(count($adjustments) * count($phases));
+
+ foreach ($phases as $phase) {
+ foreach ($adjustments as $adjust) {
+ try {
+ switch ($adjust['kind']) {
+ case 'database':
+ if ($phase == 'main') {
+ queryfx(
+ $conn,
+ 'ALTER DATABASE %T CHARACTER SET = %s COLLATE = %s',
+ $adjust['database'],
+ $adjust['charset'],
+ $adjust['collation']);
+ }
+ break;
+ case 'table':
+ if ($phase == 'main') {
+ queryfx(
+ $conn,
+ 'ALTER TABLE %T.%T COLLATE = %s',
+ $adjust['database'],
+ $adjust['table'],
+ $adjust['collation']);
+ }
+ break;
+ case 'column':
+ $apply = false;
+ $auto = false;
+ $new_auto = idx($adjust, 'auto');
+ if ($phase == 'drop_auto') {
+ if ($new_auto === false) {
+ $apply = true;
+ $auto = false;
+ }
+ } else if ($phase == 'main') {
+ $apply = true;
+ if ($new_auto === false) {
+ $auto = false;
+ } else {
+ $auto = $adjust['is_auto'];
+ }
+ } else if ($phase == 'add_auto') {
+ if ($new_auto === true) {
+ $apply = true;
+ $auto = true;
+ }
+ }
+
+ if ($apply) {
+ $parts = array();
+
+ if ($auto) {
+ $parts[] = qsprintf(
+ $conn,
+ 'AUTO_INCREMENT');
+ }
+
+ if ($adjust['charset']) {
+ $parts[] = qsprintf(
+ $conn,
+ 'CHARACTER SET %Q COLLATE %Q',
+ $adjust['charset'],
+ $adjust['collation']);
+ }
+
+ queryfx(
+ $conn,
+ 'ALTER TABLE %T.%T MODIFY %T %Q %Q %Q',
+ $adjust['database'],
+ $adjust['table'],
+ $adjust['name'],
+ $adjust['type'],
+ implode(' ', $parts),
+ $adjust['nullable'] ? 'NULL' : 'NOT NULL');
+ }
+ break;
+ case 'key':
+ if (($phase == 'drop_keys') && $adjust['exists']) {
+ if ($adjust['name'] == 'PRIMARY') {
+ $key_name = 'PRIMARY KEY';
+ } else {
+ $key_name = qsprintf($conn, 'KEY %T', $adjust['name']);
+ }
+
+ queryfx(
+ $conn,
+ 'ALTER TABLE %T.%T DROP %Q',
+ $adjust['database'],
+ $adjust['table'],
+ $key_name);
+ }
+
+ if (($phase == 'add_keys') && $adjust['keep']) {
+ // Different keys need different creation syntax. Notable
+ // special cases are primary keys and fulltext keys.
+ if ($adjust['name'] == 'PRIMARY') {
+ $key_name = 'PRIMARY KEY';
+ } else if ($adjust['indexType'] == 'FULLTEXT') {
+ $key_name = qsprintf($conn, 'FULLTEXT %T', $adjust['name']);
+ } else {
+ if ($adjust['unique']) {
+ $key_name = qsprintf(
+ $conn,
+ 'UNIQUE KEY %T',
+ $adjust['name']);
+ } else {
+ $key_name = qsprintf(
+ $conn,
+ '/* NONUNIQUE */ KEY %T',
+ $adjust['name']);
+ }
+ }
+
+ queryfx(
+ $conn,
+ 'ALTER TABLE %T.%T ADD %Q (%Q)',
+ $adjust['database'],
+ $adjust['table'],
+ $key_name,
+ implode(', ', $adjust['columns']));
+ }
+ break;
+ default:
+ throw new Exception(
+ pht('Unknown schema adjustment kind "%s"!', $adjust['kind']));
+ }
+ } catch (AphrontQueryException $ex) {
+ $failed[] = array($adjust, $ex);
+ }
+ $bar->update(1);
+ }
+ }
+ $bar->done();
+
+ if (!$failed) {
+ $console->writeOut(
+ "%s\n",
+ pht('Completed fixing all schema issues.'));
+
+ $err = 0;
+ } else {
+ $table = id(new PhutilConsoleTable())
+ ->addColumn('target', array('title' => pht('Target')))
+ ->addColumn('error', array('title' => pht('Error')));
+
+ foreach ($failed as $failure) {
+ list($adjust, $ex) = $failure;
+
+ $pieces = array_select_keys(
+ $adjust,
+ array('database', 'table', 'name'));
+ $pieces = array_filter($pieces);
+ $target = implode('.', $pieces);
+
+ $table->addRow(
+ array(
+ 'target' => $target,
+ 'error' => $ex->getMessage(),
+ ));
+ }
+
+ $console->writeOut("\n");
+ $table->draw();
+ $console->writeOut(
+ "\n%s\n",
+ pht('Failed to make some schema adjustments, detailed above.'));
+ $console->writeOut(
+ "%s\n",
+ pht(
+ 'For help troubleshooting adjustments, see "Managing Storage '.
+ 'Adjustments" in the documentation.'));
+
+ $err = 1;
+ }
+
+ return $this->printErrors($errors, $err);
+ }
+
+ private function findAdjustments() {
+ list($comp, $expect, $actual) = $this->loadSchemata();
+
+ $issue_charset = PhabricatorConfigStorageSchema::ISSUE_CHARSET;
+ $issue_collation = PhabricatorConfigStorageSchema::ISSUE_COLLATION;
+ $issue_columntype = PhabricatorConfigStorageSchema::ISSUE_COLUMNTYPE;
+ $issue_surpluskey = PhabricatorConfigStorageSchema::ISSUE_SURPLUSKEY;
+ $issue_missingkey = PhabricatorConfigStorageSchema::ISSUE_MISSINGKEY;
+ $issue_columns = PhabricatorConfigStorageSchema::ISSUE_KEYCOLUMNS;
+ $issue_unique = PhabricatorConfigStorageSchema::ISSUE_UNIQUE;
+ $issue_longkey = PhabricatorConfigStorageSchema::ISSUE_LONGKEY;
+ $issue_auto = PhabricatorConfigStorageSchema::ISSUE_AUTOINCREMENT;
+
+ $adjustments = array();
+ $errors = array();
+ foreach ($comp->getDatabases() as $database_name => $database) {
+ foreach ($this->findErrors($database) as $issue) {
+ $errors[] = array(
+ 'database' => $database_name,
+ 'issue' => $issue,
+ );
+ }
+
+ $expect_database = $expect->getDatabase($database_name);
+ $actual_database = $actual->getDatabase($database_name);
+
+ if (!$expect_database || !$actual_database) {
+ // If there's a real issue here, skip this stuff.
+ continue;
+ }
+
+ $issues = array();
+ if ($database->hasIssue($issue_charset)) {
+ $issues[] = $issue_charset;
+ }
+ if ($database->hasIssue($issue_collation)) {
+ $issues[] = $issue_collation;
+ }
+
+ if ($issues) {
+ $adjustments[] = array(
+ 'kind' => 'database',
+ 'database' => $database_name,
+ 'issues' => $issues,
+ 'charset' => $expect_database->getCharacterSet(),
+ 'collation' => $expect_database->getCollation(),
+ );
+ }
+
+ foreach ($database->getTables() as $table_name => $table) {
+ foreach ($this->findErrors($table) as $issue) {
+ $errors[] = array(
+ 'database' => $database_name,
+ 'table' => $table_name,
+ 'issue' => $issue,
+ );
+ }
+
+ $expect_table = $expect_database->getTable($table_name);
+ $actual_table = $actual_database->getTable($table_name);
+
+ if (!$expect_table || !$actual_table) {
+ continue;
+ }
+
+ $issues = array();
+ if ($table->hasIssue($issue_collation)) {
+ $issues[] = $issue_collation;
+ }
+
+ if ($issues) {
+ $adjustments[] = array(
+ 'kind' => 'table',
+ 'database' => $database_name,
+ 'table' => $table_name,
+ 'issues' => $issues,
+ 'collation' => $expect_table->getCollation(),
+ );
+ }
+
+ foreach ($table->getColumns() as $column_name => $column) {
+ foreach ($this->findErrors($column) as $issue) {
+ $errors[] = array(
+ 'database' => $database_name,
+ 'table' => $table_name,
+ 'name' => $column_name,
+ 'issue' => $issue,
+ );
+ }
+
+ $expect_column = $expect_table->getColumn($column_name);
+ $actual_column = $actual_table->getColumn($column_name);
+
+ if (!$expect_column || !$actual_column) {
+ continue;
+ }
+
+ $issues = array();
+ if ($column->hasIssue($issue_collation)) {
+ $issues[] = $issue_collation;
+ }
+ if ($column->hasIssue($issue_charset)) {
+ $issues[] = $issue_charset;
+ }
+ if ($column->hasIssue($issue_columntype)) {
+ $issues[] = $issue_columntype;
+ }
+ if ($column->hasIssue($issue_auto)) {
+ $issues[] = $issue_auto;
+ }
+
+ if ($issues) {
+ if ($expect_column->getCharacterSet() === null) {
+ // For non-text columns, we won't be specifying a collation or
+ // character set.
+ $charset = null;
+ $collation = null;
+ } else {
+ $charset = $expect_column->getCharacterSet();
+ $collation = $expect_column->getCollation();
+ }
+
+ $adjustment = array(
+ 'kind' => 'column',
+ 'database' => $database_name,
+ 'table' => $table_name,
+ 'name' => $column_name,
+ 'issues' => $issues,
+ 'collation' => $collation,
+ 'charset' => $charset,
+ 'type' => $expect_column->getColumnType(),
+
+ // NOTE: We don't adjust column nullability because it is
+ // dangerous, so always use the current nullability.
+ 'nullable' => $actual_column->getNullable(),
+
+ // NOTE: This always stores the current value, because we have
+ // to make these updates separately.
+ 'is_auto' => $actual_column->getAutoIncrement(),
+ );
+
+ if ($column->hasIssue($issue_auto)) {
+ $adjustment['auto'] = $expect_column->getAutoIncrement();
+ }
+
+ $adjustments[] = $adjustment;
+ }
+ }
+
+ foreach ($table->getKeys() as $key_name => $key) {
+ foreach ($this->findErrors($key) as $issue) {
+ $errors[] = array(
+ 'database' => $database_name,
+ 'table' => $table_name,
+ 'name' => $key_name,
+ 'issue' => $issue,
+ );
+ }
+
+ $expect_key = $expect_table->getKey($key_name);
+ $actual_key = $actual_table->getKey($key_name);
+
+ $issues = array();
+ $keep_key = true;
+ if ($key->hasIssue($issue_surpluskey)) {
+ $issues[] = $issue_surpluskey;
+ $keep_key = false;
+ }
+
+ if ($key->hasIssue($issue_missingkey)) {
+ $issues[] = $issue_missingkey;
+ }
+
+ if ($key->hasIssue($issue_columns)) {
+ $issues[] = $issue_columns;
+ }
+
+ if ($key->hasIssue($issue_unique)) {
+ $issues[] = $issue_unique;
+ }
+
+ // NOTE: We can't really fix this, per se, but we may need to remove
+ // the key to change the column type. In the best case, the new
+ // column type won't be overlong and recreating the key really will
+ // fix the issue. In the worst case, we get the right column type and
+ // lose the key, which is still better than retaining the key having
+ // the wrong column type.
+ if ($key->hasIssue($issue_longkey)) {
+ $issues[] = $issue_longkey;
+ }
+
+ if ($issues) {
+ $adjustment = array(
+ 'kind' => 'key',
+ 'database' => $database_name,
+ 'table' => $table_name,
+ 'name' => $key_name,
+ 'issues' => $issues,
+ 'exists' => (bool)$actual_key,
+ 'keep' => $keep_key,
+ );
+
+ if ($keep_key) {
+ $adjustment += array(
+ 'columns' => $expect_key->getColumnNames(),
+ 'unique' => $expect_key->getUnique(),
+ 'indexType' => $expect_key->getIndexType(),
+ );
+ }
+
+ $adjustments[] = $adjustment;
+ }
+ }
+ }
+ }
+
+ return array($adjustments, $errors);
+ }
+
+ private function findErrors(PhabricatorConfigStorageSchema $schema) {
+ $result = array();
+ foreach ($schema->getLocalIssues() as $issue) {
+ $status = PhabricatorConfigStorageSchema::getIssueStatus($issue);
+ if ($status == PhabricatorConfigStorageSchema::STATUS_FAIL) {
+ $result[] = $issue;
+ }
+ }
+ return $result;
+ }
+
+ private function printErrors(array $errors, $default_return) {
+ if (!$errors) {
+ return $default_return;
+ }
+
+ $console = PhutilConsole::getConsole();
+
+ $table = id(new PhutilConsoleTable())
+ ->addColumn('target', array('title' => pht('Target')))
+ ->addColumn('error', array('title' => pht('Error')));
+
+ foreach ($errors as $error) {
+ $pieces = array_select_keys(
+ $error,
+ array('database', 'table', 'name'));
+ $pieces = array_filter($pieces);
+ $target = implode('.', $pieces);
+
+ $name = PhabricatorConfigStorageSchema::getIssueName($error['issue']);
+
+ $table->addRow(
+ array(
+ 'target' => $target,
+ 'error' => $name,
+ ));
+ }
+
+ $console->writeOut("\n");
+ $table->draw();
+ $console->writeOut("\n");
+
+ $message = pht(
+ "The schemata have serious errors (detailed above) which the adjustment ".
+ "workflow can not fix.\n\n".
+ "If you are not developing Phabricator itself, report this issue to ".
+ "the upstream.\n\n".
+ "If you are developing Phabricator, these errors usually indicate that ".
+ "your schema specifications do not agree with the schemata your code ".
+ "actually builds.");
+
+ $console->writeOut(
+ "**<bg:red> %s </bg>**\n\n%s\n",
+ pht('SCHEMATA ERRORS'),
+ phutil_console_wrap($message));
+
+ return 2;
+ }
+
}

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