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query

Name

query -- executes a SQL command

Synopsis

query(command)

Parameters

command

SQL command (string).

Return Type

pgqueryobject or None

Result values.

Exceptions

TypeError

Bad argument type, or too many arguments.

ValueError

Empty SQL query.

pg.error

Error during query processing, or invalid connection.

Description

query() method sends a SQL query to the database. If the query is an insert statement, the return value is the OID of the newly inserted row. If it is otherwise a query that does not return a result (i.e., is not a some kind of SELECT statement), it returns None. Otherwise, it returns a pgqueryobject that can be accessed via the getresult() or dictresult() methods or simply printed.

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