private static class LatticeSuggester.Hop
extends java.lang.Object
Step
.
The tables are registered but the step is not. After we have gathered several join conditions we may discover that the keys are composite: e.g.
x.a = y.a AND x.b = z.b AND x.c = y.c
has 3 semi-hops:
which turn into 2 steps, the first of which is composite:
Modifier and Type | Field and Description |
---|---|
(package private) LatticeSuggester.BaseColRef |
source |
(package private) LatticeSuggester.BaseColRef |
target |
Modifier | Constructor and Description |
---|---|
private |
Hop(LatticeSuggester.BaseColRef source,
LatticeSuggester.BaseColRef target) |
final LatticeSuggester.BaseColRef source
final LatticeSuggester.BaseColRef target
private Hop(LatticeSuggester.BaseColRef source, LatticeSuggester.BaseColRef target)
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