SCEngine¶
-
class
astropy.table.
SCEngine
(data, row_index, unique=False)[source]¶ Bases:
object
Fast tree-based implementation for indexing, using the
sortedcontainers
package.- Parameters
- dataTable
Sorted columns of the original table
- row_indexColumn object
Row numbers corresponding to data columns
- uniquebool (defaults to False)
Whether the values of the index must be unique
Methods Summary
add
(self, key, value)Add a key, value pair.
find
(self, key)Find rows corresponding to the given key.
items
(self)Return a list of key, data tuples.
range
(self, lower, upper[, bounds])Return row values in the given range.
remove
(self, key[, data])Remove data from the given key.
replace_rows
(self, row_map)Replace rows with the values in row_map.
shift_left
(self, row)Decrement rows larger than the given row.
shift_right
(self, row)Increment rows greater than or equal to the given row.
sort
(self)Make row order align with key order.
sorted_data
(self)Return a list of rows in order sorted by key.
Methods Documentation