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Fix join API doxygen [skip-ci] #7890

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Apr 7, 2021
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Fix join API doxygen [skip-ci] #7890

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Fix join doxygen
shwina Apr 7, 2021
a64d759
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shwina Apr 7, 2021
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shwina Apr 7, 2021
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125 changes: 64 additions & 61 deletions cpp/include/cudf/join.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -41,13 +41,14 @@ namespace cudf {
* the matched row indices from the right table.
*
* @code{.pseudo}
* Left: {{0, 1, 2}}
* Right: {{1, 2, 3}}
* Result: {{1, 2}, {0, 1}}
* Left: {{0, 1, 2}}
* Right: {{1, 2, 3}}
* Result: {{1, 2}, {0, 1}}
*
* Left: {{0, 1, 2}, {3, 4, 5}}
* Right: {{1, 2, 3}, {4, 6, 7}}
* Result: {{1}, {0}}
* Left: {{0, 1, 2}, {3, 4, 5}}
* Right: {{1, 2, 3}, {4, 6, 7}}
* Result: {{1}, {0}}
* @endcode
*
* @throw cudf::logic_error if number of elements in `left_keys` or `right_keys`
* mismatch.
Expand Down Expand Up @@ -77,10 +78,10 @@ inner_join(cudf::table_view const& left_keys,
* in the columns being joined on match.
*
* @code{.pseudo}
* Left: {{0, 1, 2}}
* Right: {{4, 9, 3}, {1, 2, 5}}
* left_on: {0}
* right_on: {1}
* Left: {{0, 1, 2}}
* Right: {{4, 9, 3}, {1, 2, 5}}
* left_on: {0}
* right_on: {1}
* Result: {{1, 2}, {4, 9}, {1, 2}}
* @endcode
*
Expand Down Expand Up @@ -125,13 +126,14 @@ std::unique_ptr<cudf::table> inner_join(
* out-of-bounds value.
*
* @code{.pseudo}
* Left: {{0, 1, 2}}
* Right: {{1, 2, 3}}
* Result: {{0, 1, 2}, {None, 0, 1}}
* Left: {{0, 1, 2}}
* Right: {{1, 2, 3}}
* Result: {{0, 1, 2}, {None, 0, 1}}
*
* Left: {{0, 1, 2}, {3, 4, 5}}
* Right: {{1, 2, 3}, {4, 6, 7}}
* Result: {{0, 1, 2}, {None, 0, None}}
* Left: {{0, 1, 2}, {3, 4, 5}}
* Right: {{1, 2, 3}, {4, 6, 7}}
* Result: {{0, 1, 2}, {None, 0, None}}
* @endcode
*
* @throw cudf::logic_error if number of elements in `left_keys` or `right_keys`
* mismatch.
Expand Down Expand Up @@ -163,16 +165,16 @@ left_join(cudf::table_view const& left_keys,
* values in the left columns will be null.
*
* @code{.pseudo}
* Left: {{0, 1, 2}}
* Right: {{1, 2, 3}, {1, 2 ,5}}
* left_on: {0}
* right_on: {1}
* Left: {{0, 1, 2}}
* Right: {{1, 2, 3}, {1, 2 ,5}}
* left_on: {0}
* right_on: {1}
* Result: { {0, 1, 2}, {NULL, 1, 2}, {NULL, 1, 2} }
*
* Left: {{0, 1, 2}}
* Right {{1, 2, 3}, {1, 2, 5}}
* left_on: {0}
* right_on: {0}
* Left: {{0, 1, 2}}
* Right {{1, 2, 3}, {1, 2, 5}}
* left_on: {0}
* right_on: {0}
* Result: { {0, 1, 2}, {NULL, 1, 2}, {NULL, 1, 2} }
* @endcode
*
Expand Down Expand Up @@ -216,13 +218,14 @@ std::unique_ptr<cudf::table> left_join(
* representing a row from one table without a match in the other.
*
* @code{.pseudo}
* Left: {{0, 1, 2}}
* Right: {{1, 2, 3}}
* Result: {{0, 1, 2, None}, {None, 0, 1, 2}}
* Left: {{0, 1, 2}}
* Right: {{1, 2, 3}}
* Result: {{0, 1, 2, None}, {None, 0, 1, 2}}
*
* Left: {{0, 1, 2}, {3, 4, 5}}
* Right: {{1, 2, 3}, {4, 6, 7}}
* Result: {{0, 1, 2, None, None}, {None, 0, None, 1, 2}}
* Left: {{0, 1, 2}, {3, 4, 5}}
* Right: {{1, 2, 3}, {4, 6, 7}}
* Result: {{0, 1, 2, None, None}, {None, 0, None, 1, 2}}
* @endcode
*
* @throw cudf::logic_error if number of elements in `left_keys` or `right_keys`
* mismatch.
Expand Down Expand Up @@ -254,16 +257,16 @@ full_join(cudf::table_view const& left_keys,
* values in the left columns will be null.
*
* @code{.pseudo}
* Left: {{0, 1, 2}}
* Right: {{1, 2, 3}, {1, 2, 5}}
* left_on: {0}
* right_on: {1}
* Left: {{0, 1, 2}}
* Right: {{1, 2, 3}, {1, 2, 5}}
* left_on: {0}
* right_on: {1}
* Result: { {0, 1, 2, NULL}, {NULL, 1, 2, 3}, {NULL, 1, 2, 5} }
*
* Left: {{0, 1, 2}}
* Right: {{1, 2, 3}, {1, 2, 5}}
* left_on: {0}
* right_on: {0}
* Left: {{0, 1, 2}}
* Right: {{1, 2, 3}, {1, 2, 5}}
* left_on: {0}
* right_on: {0}
* Result: { {0, 1, 2, NULL}, {NULL, 1, 2, 3}, {NULL, 1, 2, 5} }
* @endcode
*
Expand Down Expand Up @@ -305,9 +308,9 @@ std::unique_ptr<cudf::table> full_join(
* for which there is a matching row in the right table.
*
* @code{.pseudo}
* TableA: {{0, 1, 2}}
* TableB: {{1, 2, 3}}
* right_on: {1}
* TableA: {{0, 1, 2}}
* TableB: {{1, 2, 3}}
* right_on: {1}
* Result: {1, 2}
* @endcode
*
Expand Down Expand Up @@ -338,16 +341,16 @@ std::unique_ptr<rmm::device_uvector<size_type>> left_semi_join(
* returns rows that exist in the right table.
*
* @code{.pseudo}
* TableA: {{0, 1, 2}}
* TableB: {{1, 2, 3}, {1, 2, 5}}
* left_on: {0}
* right_on: {1}
* TableA: {{0, 1, 2}}
* TableB: {{1, 2, 3}, {1, 2, 5}}
* left_on: {0}
* right_on: {1}
* Result: { {1, 2} }
*
* TableA {{0, 1, 2}, {1, 2, 5}}
* TableB {{1, 2, 3}}
* left_on: {0}
* right_on: {0}
* TableA {{0, 1, 2}, {1, 2, 5}}
* TableB {{1, 2, 3}}
* left_on: {0}
* right_on: {0}
* Result: { {1, 2}, {2, 5} }
* @endcode
*
Expand Down Expand Up @@ -386,8 +389,8 @@ std::unique_ptr<cudf::table> left_semi_join(
* for which there is no matching row in the right table.
*
* @code{.pseudo}
* TableA: {{0, 1, 2}}
* TableB: {{1, 2, 3}}
* TableA: {{0, 1, 2}}
* TableB: {{1, 2, 3}}
* Result: {0}
* @endcode
*
Expand Down Expand Up @@ -417,16 +420,16 @@ std::unique_ptr<rmm::device_uvector<size_type>> left_anti_join(
* returns rows that do not exist in the right table.
*
* @code{.pseudo}
* TableA: {{0, 1, 2}}
* TableB: {{1, 2, 3}, {1, 2, 5}}
* left_on: {0}
* right_on: {1}
* TableA: {{0, 1, 2}}
* TableB: {{1, 2, 3}, {1, 2, 5}}
* left_on: {0}
* right_on: {1}
* Result: {{0}, {1}}
*
* TableA: {{0, 1, 2}, {1, 2, 5}}
* TableB: {{1, 2, 3}}
* left_on: {0}
* right_on: {0}
* TableA: {{0, 1, 2}, {1, 2, 5}}
* TableB: {{1, 2, 3}}
* left_on: {0}
* right_on: {0}
* Result: { {0} {1} }
* @endcode
*
Expand Down Expand Up @@ -469,8 +472,8 @@ std::unique_ptr<cudf::table> left_anti_join(
* equal to `left.num_rows() * right.num_rows()`. Use with caution.
*
* @code{.pseudo}
* Left a: {0, 1, 2}
* Right b: {3, 4, 5}
* Left a: {0, 1, 2}
* Right b: {3, 4, 5}
* Result: { a: {0, 0, 0, 1, 1, 1, 2, 2, 2}, b: {3, 4, 5, 3, 4, 5, 3, 4, 5} }
* @endcode

Expand Down