"Stas Oskin" <stas@xxxxxxxxx> writes: > When running SQL scripts, which change the tables' schema, we sometimes > experience a lock of these tables' schema. The lock occurs on the first > command of the script, on the first modified table. When this occurs, no > further schema modification for this table is possible, until the server is > restarted, which is very problematic for a production environment. Try committing the transaction that performed the schema modification ;-) regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match