null
. Calls {@link DataSource#findColumn}.
@return a column, or null
if no column with the specifiedid exists
null
. Uses Table.findColumn
.
@param id a column id
@return a column, or null
if no column with the specifiedid exists
@see Table#findColumn
null
if there is no such column
null
is returned if the column does not exist. See {@link #getColumn(String)} for alternative behavior.
@param name the name of the column asked for
@return the column with the given name, or null
if the column does not exist
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