search#

pylibcudf.search.contains(Column haystack, Column needles) Column#

Check whether needles are present in haystack.

For details, see contains().

Parameters:
haystackTable

The search space.

needlesTable

The values for which to search.

Returns:
Column

Boolean indicator for each needle.

pylibcudf.search.lower_bound(Table haystack, Table needles, list column_order, list null_precedence) Column#

Find smallest indices in haystack where needles may be inserted to retain order.

For details, see lower_bound().

Parameters:
haystackTable

The search space.

needlesTable

The values for which to find insertion points.

column_orderList[ColumnOrder]

Whether each column should be sorted in ascending or descending order.

null_precedenceList[NullOrder]

Whether nulls should come before or after non-nulls.

Returns:
Column

The insertion points

pylibcudf.search.upper_bound(Table haystack, Table needles, list column_order, list null_precedence) Column#

Find largest indices in haystack where needles may be inserted to retain order.

For details, see upper_bound().

Parameters:
haystackTable

The search space.

needlesTable

The values for which to find insertion points.

column_orderList[ColumnOrder]

Whether each column should be sorted in ascending or descending order.

null_precedenceList[NullOrder]

Whether nulls should come before or after non-nulls.

Returns:
Column

The insertion points