16 lines
252 B
Groovy
16 lines
252 B
Groovy
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def hashJoin(table1, col1, table2, col2) {
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def hashed = table1.groupBy { s -> s[col1] }
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def q = [] as Set
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table2.each { r ->
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def join = hashed[r[col2]]
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join.each { s ->
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q << s.plus(r)
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}
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}
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q
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}
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