int
mdb_test_sarg(MdbHandle *mdb, MdbColumn *col, MdbSargNode *node, MdbField *field)
{
char tmpbuf[256];
if (node->op == MDB_ISNULL)
return field->is_null?1:0;
else if (node->op == MDB_NOTNULL)
return field->is_null?0:1;
switch (col->col_type) {
case MDB_BOOL:
return mdb_test_int(node, !field->is_null);
break;
case MDB_BYTE:
return mdb_test_int(node, (gint32)((char *)field->value)[0]);
break;
case MDB_INT:
return mdb_test_int(node, (gint32)mdb_get_int16(field->value, 0));
break;
case MDB_LONGINT:
return mdb_test_int(node, (gint32)mdb_get_int32(field->value, 0));
break;
case MDB_TEXT:
mdb_unicode2ascii(mdb, field->value, field->siz, tmpbuf, 256);
return mdb_test_string(node, tmpbuf);
case MDB_DATETIME:
return mdb_test_date(node, mdb_get_double(field->value, 0));
default:
fprintf(stderr, "Calling mdb_test_sarg on unknown type. Add code to mdb_test_sarg() for type %d\n",col->col_type);
break;
}
return 1;
}
double mdb_pg_get_double(MdbHandle *mdb, int offset)
{
if (offset <0 || offset+8 > mdb->fmt->pg_size) return -1;
mdb->cur_pos+=8;
return mdb_get_double(mdb->pg_buf, offset);
}