Table of Contents Introduction -- What DB_DataObject can do Configuration Options -- Setting the defaults for database access Auto Building and Database Schema -- creating the base Classes and Database schema DB_DataObject::factory() -- Autoload and instantate class based on table name.->get() -- Simple Get (Select) requestDB_DataObject::staticGet() -- Simple Get (Select) request, abbreviated and Autoload.{Child Class}::staticGet() -- Simple Get (Select) request, abbreviated (autogenerated)->find() -- find results->fetch() -- fetch next row->count() -- Perform a select count() request->insert() -- Insert current objects variables into database->update() -- Update objects variables into database->delete() -- Delete items from tableSelecting Specific data (SELECT) -- Advanced Filters - ::query(), ::SelectAdd(), ::whereAdd(), ::Limit(), ::OrderBy(), ::GroupBy(), ->query() -- send a raw query->selectAdd() -- Add selected columns->whereAdd() -- Add WHERE statement->escape() -- Escape a string for use with Like queries->limit() -- Set limit->orderBy() -- Add an order by condition->groupBy() -- Add group by conditionAutomatic Table Linking and Joins -- Automatic Table Linking - ::getLink(), ::getLinks(), ::joinAdd(), ::selectAs() ->getLink() -- fetch and return a related object->getLinks() -- load related objects->selectAs() -- Build the select component of a query (usually for joins)->joinAdd() -- add another dataobject to build a create join query->set*() and ->get*() -- Automatic Setters and Getters using overload->setFrom() -- Copy items from Array or Object (for form posting)->toArray() -- Get an array of the current result->validate() -- check object data, and call objects validation methods.->tableName() -- Get or set the table name of an object->database() -- Get or set the database the object uses->table() -- Get or set the table schema->keys() -- Get or set the table keys->getDatabaseConnection() -- Get the PEAR Database Object->getDatabaseResult() -- Get the PEAR Database Result ObjectDB_DataObject::debugLevel -- set the amount of debugging output->debug() -- output debug information.DB_DataObject::raiseError -- throw an errorCasting - Dates, Blobs and Null -- DB_DataObject_Cast ::date(), ::blob(), ::sql()
SQL Builder and Data Modeling Layer
This chapter describes how to use the DB_DataObject SQL Builder and Data Modeling layer
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