/* * call-seq: * res.type( index ) * * Returns the data type associated with the given column number. * * The integer returned is the internal +OID+ number (in PostgreSQL) of the type. * If you have the PostgreSQL source available, you can see the OIDs for every column type in the file <tt>src/include/catalog/pg_type.h</tt>. */ static VALUE pgresult_type(obj, index) VALUE obj, index; { PGresult* result = get_pgresult(obj); int i = NUM2INT(index); if (i < 0 || i >= PQnfields(result)) { rb_raise(rb_eArgError, "invalid field number %d", i); } return INT2NUM(PQftype(result, i)); }