HintInfo¶

Creating Instance¶

HintInfo takes the following to be created:

• Optional JoinStrategyHint (default: undefined)

HintInfo is created when:

• ResolveJoinStrategyHints logical resolution rule is executed
• ResolvedHint logical operator is created
• HintInfo is requested to merge with another HintInfo
• broadcast standard function is used (on a Dataset)

Text Representation¶

toString: String

toString is part of the Object (Java) abstraction.

toString returns the following (with the strategy if defined or none):

(strategy=[strategy|none])

Merging Hints¶

merge(
  other: HintInfo,
  hintErrorHandler: HintErrorHandler): HintInfo

merge...FIXME

merge is used when:

• ResolveJoinStrategyHints logical resolution rule is executed
• EliminateResolvedHint logical optimization is executed