| Package | Description | 
|---|---|
| org.apache.vxquery.compiler.rewriter.rules | 
| Modifier and Type | Class | Description | 
|---|---|---|
| class  | ConsolidateUnnestsRule | The rule searches for an unnest operator (1) immediately following an unnest
 operator (2). | 
| class  | ConvertAssignToUnnestRule | The rule searches for unnest(iterate) operator followed by an assign(child)
 operator and merges the assign into the unnest operator. | 
| class  | PushChildIntoDataScanRule | The rule searches for an unnest operator immediately following a data scan
 operator. | 
| class  | RemoveUnusedUnnestIterateRule | The rule searches for an unnest operator (1) immediately following an unnest
 or data scan operator (2). | 
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