C++ (Cpp) CommandExecutionContext::helperRepository示例

示例#1

文件： MysqlRenameColumnService.cpp 项目： Superlokkus/QSqlMigrator

bool MysqlRenameColumnService::execute(const Commands::RenameColumn &renameColumn, const Structure::Column &originalColumn, const CommandExecutionContext &context)
{
    Structure::Column modifiedColumn(renameColumn.newName(), originalColumn.type(), originalColumn.defaultValue(), originalColumn.attributes());

    const QString alterQuery =
            QString("ALTER TABLE %1 CHANGE COLUMN %2 %3")
            .arg(context.helperRepository().quoteService().quoteTableName(renameColumn.tableName()))
            .arg(renameColumn.oldName())
            .arg(context.helperRepository().columnService().generateColumnDefinitionSql(modifiedColumn));

    return CommandExecution::BaseCommandExecutionService::executeQuery(alterQuery, context);
}

示例#2

文件： BaseSqlDropTableService.cpp 项目： Superlokkus/QSqlMigrator

bool BaseSqlDropTableService::execute(const Commands::DropTable &dropTable, const CommandExecutionContext &context)
{
    const QString dropQuery =
            QString("DROP TABLE %1")
            .arg(context.helperRepository().quoteService().quoteTableName(dropTable.tableName()));

    return CommandExecution::BaseCommandExecutionService::executeQuery(dropQuery, context);
}