Builder Bench
Building versus sending, joins, entities or raw rows, parameters, Brackets, paging and picking columns.
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Builder Bench
The QueryBuilder is a workbench. Each call such as where() or leftJoin() adds a part to one SQL statement on the bench. Nothing leaves the bench until you call a get or execute method; then the whole statement is sent and you get entities or raw rows back.
Your rulebook
Finish a level to add its rule. Fill the book and you can explain all of this in an interview.
- 1Finish Nothing is sent while you build to unlock this rule.
- 2Finish Join to fill, or join to filter to unlock this rule.
- 3Finish Entities or raw rows to unlock this rule.
- 4Finish Parameters, not glue to unlock this rule.
- 5Finish Where OR goes to unlock this rule.
- 6Finish take() pages authors, limit() cuts rows to unlock this rule.
- 7Finish Pick only the columns you need to unlock this rule.