9 lines
189 B
Groovy
9 lines
189 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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table2.collect { r ->
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hashed[r[col2]].collect { s -> s.plus(r) }
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}.flatten()
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}
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