Displaying 1 result from an estimated 1 matches for "col_is_requir".
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col_is_required
2005 Apr 23
2
[Tip] Introspection to determine if a column may be null
...:columns
def columns( table_name, name=nil )
cols = _real_columns( table_name, name )
cols.each{ |col|
sql = "select is_nullable from information_schema.columns where
table_name=''#{table_name}'' and column_name=''#{col.name}''"
col_is_required = nil
log(sql, nil, @connection) { |connection| col_is_required =
connection.query(sql)[0][0].downcase != ''yes'' }
col.instance_variable_set( :@required, col_is_required )
}
end
end
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