[ https://issues.apache.org/jira/browse/ARROW-2767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16529304#comment-16529304 ]
Brian Hulette edited comment on ARROW-2767 at 7/2/18 1:11 AM: -------------------------------------------------------------- We could also do {code:javascript} class Table<T extends {[name: string]: any}> { ... getColumn(name: keyof T): Vector<T[name]> { } ... } {code} Although I'm not sure the {{T[name]}} lookup will actually work. was (Author: bhulette): {code:javascript} class Table<T extends {[name: string]: any}> { ... getColumn(name: keyof T): Vector<T[name]> { } ... } {code} Although I'm not sure the {{T[name]}} lookup will actually work. > [JS] Add generic to Table for column names > ------------------------------------------ > > Key: ARROW-2767 > URL: https://issues.apache.org/jira/browse/ARROW-2767 > Project: Apache Arrow > Issue Type: Improvement > Components: JavaScript > Reporter: Brian Hulette > Priority: Major > > Requested by [~domoritz] > Something like: > {code:javascript} > class Table<ColName extends string = string> { > ... > getColumn(name: ColName): Vector<any> { > } > ... > } > {code} > It would be even better if we could find a way to map the column names to the > actual vector data types, but one thing at a time. -- This message was sent by Atlassian JIRA (v7.6.3#76005)