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Keep the old indexes in case the DictionaryTablesIndexes migration fails

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This commit is contained in:
Elitsa Marinovska
2021-08-17 14:17:34 +02:00
parent 224d237092
commit 656d518981
1 changed files with 22 additions and 13 deletions
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35
src/Umbraco.Infrastructure/Migrations/Upgrade/V_9_0_0/DictionaryTablesIndexes.cs
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@@ -22,19 +22,29 @@ namespace Umbraco.Cms.Infrastructure.Migrations.Upgrade.V_9_0_0
{
var indexDictionaryDto = $"IX_{DictionaryDto.TableName}_{IndexedDictionaryColumn}";
var indexLanguageTextDto = $"IX_{LanguageTextDto.TableName}_{IndexedLanguageTextColumn}";
var dictionaryColumnsToBeIndexed = new[] { IndexedDictionaryColumn };
var langTextColumnsToBeIndexed = new[] { IndexedLanguageTextColumn, "UniqueId" };
// Delete existing
DeleteIndex<DictionaryDto>(indexDictionaryDto);
// Re-create/Add
AddUniqueConstraint<DictionaryDto>(new[] { IndexedDictionaryColumn }, indexDictionaryDto);
var dictionaryTableHasDuplicates = ContainsDuplicates<DictionaryDto>(dictionaryColumnsToBeIndexed);
var langTextTableHasDuplicates = ContainsDuplicates<LanguageTextDto>(langTextColumnsToBeIndexed);
// Delete existing
DeleteIndex<LanguageTextDto>(indexLanguageTextDto);
// Check if there are any duplicates before we delete and re-create the indexes since
// if there are duplicates we won't be able to create the new unique indexes
if (!dictionaryTableHasDuplicates)
{
// Delete existing
DeleteIndex<DictionaryDto>(indexDictionaryDto);
}
var langTextcolumns = new[] { IndexedLanguageTextColumn, "UniqueId" };
if (!langTextTableHasDuplicates)
{
// Delete existing
DeleteIndex<LanguageTextDto>(indexLanguageTextDto);
}
// Re-create/Add
AddUniqueConstraint<LanguageTextDto>(langTextcolumns, indexLanguageTextDto);
// Try to re-create/add
TryAddUniqueConstraint<DictionaryDto>(dictionaryColumnsToBeIndexed, indexDictionaryDto, dictionaryTableHasDuplicates);
TryAddUniqueConstraint<LanguageTextDto>(langTextColumnsToBeIndexed, indexLanguageTextDto, langTextTableHasDuplicates);
}
private void DeleteIndex<TDto>(string indexName)
@@ -56,7 +66,7 @@ namespace Umbraco.Cms.Infrastructure.Migrations.Upgrade.V_9_0_0
new ExecuteSqlStatementExpression(Context) { SqlStatement = Context.SqlContext.SqlSyntax.Format(index) }.Execute();
}
private void AddUniqueConstraint<TDto>(string[] columns, string index)
private void TryAddUniqueConstraint<TDto>(string[] columns, string index, bool containsDuplicates)
{
var tableDef = DefinitionFactory.GetTableDefinition(typeof(TDto), Context.SqlContext.SqlSyntax);
@@ -64,7 +74,7 @@ namespace Umbraco.Cms.Infrastructure.Migrations.Upgrade.V_9_0_0
// This seems to be better than relying on catching an exception as this leads to
// transaction errors: "This SqlTransaction has completed; it is no longer usable".
var columnsDescription = string.Join("], [", columns);
if (ContainsDuplicates<TDto>(columns))
if (containsDuplicates)
{
var message = $"Could not create unique constraint on [{tableDef.Name}] due to existing " +
$"duplicate records across the column{(columns.Length > 1 ? "s" : string.Empty)}: [{columnsDescription}].";
@@ -126,8 +136,7 @@ namespace Umbraco.Cms.Infrastructure.Migrations.Upgrade.V_9_0_0
return Database.ExecuteScalar<int>(distinctCountQuery);
}
private void LogIncompleteMigrationStep(string message) =>
Logger.LogError($"Database migration step failed: {message}");
private void LogIncompleteMigrationStep(string message) => Logger.LogError($"Database migration step failed: {message}");
private string StringConvertedAndQuotedColumnName(string column) => $"CONVERT(nvarchar(1000),{QuoteColumnName(column)})";