sql:update times set block_id = 33 from pathway where times.block_id = pathway.block_id; when reference to a geopoly talbe(pathway),and there ara some records in table pathway that meet the where clause,the sql will be running forever!
sql:update times set block_id = 33 from pathway where times.block_id = pathway.block_id; when reference to a geopoly talbe(pathway),and there ara some records in table pathway that meet the where clause,the sql will be running forever!