Add a RecordCursor that flattens recursive cursors from previously returned items #2859
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MMcM
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Jul 30, 2024
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| * @param rootCursorFunction a function that given a continuation or {@code null} returns the children of the root | ||
| * @param childCursorFunction a function that given a value and a continuation returns the children of that level |
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This is more like START WITH ... CONNECT BY than a recursive CTE, but it should be possible for planning to recognize common cases of the latter adaptable to the former.
MMcM
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Jul 30, 2024
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| /** | ||
| * Get the depth for a recursive result. | ||
| * @return the 1-based depth from the root of the given result |
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Like the LEVEL pseudocolumn.
MMcM
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Jul 30, 2024
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| /** | ||
| * Get whether a recursive result has any descendants. | ||
| * @return {@code true} if the given result is a leaf, {@code false} if it has any descendants |
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Like the CONNECT_BY_ISLEAF pseudocolumn.
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