Ruby pg windows
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Ruby pg windows
Zero is returned if the connection is bad. Installing RDoc documentation for pg -0. Secondly, I installed the rake-compiler, and rdoc gems. I do my rails command line stuff from the excellent unixy like command window provided by msysgit. Returns a PG::Result instance on success. It is not possible to execute other SQL commands using the same connection while the COPY operation is in progress. The list of available attributes varies depending on the SSL library being used, and the type of connection. Encoding of escaped string will be equal to client encoding of connection. Сейчас Ruby входит в большинство ruby pg windows операционной системы Linux, поставляется вместе с Mac OS X, доступен пользователям других операционных систем.
This issues the SQL COPY command via exec. This method ensures, that the copy process is properly terminated in case of client side or server side failures. Издано несколько книг на различных языках, в том числе на русском. Raises a PG::Error if the connection fails. Единственное исключение — управляющие конструкции, которые в Ruby в отличие от Smalltalk не являются объектами.
If the types are not specified, they will be inferred by PostgreSQL. For example, in a typical SQL query: SELECT FOO FROM MYTABLE The identifier FOO is folded to lower case, so it actually means foo. Caution: While processing a query, the server may return some rows and then encounter an error, causing the query to be aborted. Все данные в Ruby являются объектами в понимании Smalltalk. Также некоторые черты языка взяты изLisp, Dylan и CLU. This method ensures, that the copy process is properly terminated in case of client side or server side failures.
Ruby pg windows
Hope this saves somebody the problems I had. If there is no unprocessed notifier, it returns nil. This decodes the received data fields as Array of Strings. Thanks again to those in this thread who helped me to this sequence. If the optional code block is given, it will be passed result as an argument, and the PG::Result object will automatically be cleared when the block terminates. Anyhow, if you want to install the gem, you need a build environment installed.
Note: The result passed to the block should not be used outside of the block, since the corresponding C object could be freed after the block finishes. If you pass no arguments, it will reset the handler to the default. RBW and click OK.