Included (in /usr/lib) in Mac OS version 10.4 onwards. On Mac OS, the library is libsqlite3.0.dylib, which is SQLite support requires the appropriate native library. The only plugins currently supported by this library areĪllowAllAuthenticator and PasswordAuthenticator. One result set and contain no OUT or INOUT parameters. MySQL CALL statements can be executed only if they return at most Note that non-UTF-8 character sets attached toĭatabases, tables, and columns do not cause problems the serverĪutomatically translates between character set used for storage and SET NAMES) to a character set other than UTF-8, errors or dataĬorruption may occur. ![]() Previous versions of this library issued a SET NAMES utf8 commandĬonnection, or result character sets are changed (for example, using Mysql_clear_password: used by LDAP and PAM authentication Mysql_old_password: the default before MySQL version 4.1 Mysql_native_password: the default for MySQL versions since 4.1 and before 8.0 This library supports the following plugins:Ĭaching_sha2_password: the default since MySQL version 8.0 Timestamps as text, so they received timestamps with adjusted time (Previous versions of this library sent and received Have a tz field of 0 (for timestamp with time Included thus all sql-timestamp values in a query result This library receives timestamps in binary format, so the time zoneĪdjustment is not applied, nor is the session’s TIME ZONE offset TIME ZONE) and that offset is included in the rendered text. When a timestamp with time zone is renderedĪs text, it is first adjusted to the time zone specified by the In eitherĬase, the time zone information is discarded and only the UTC Information, it is used to adjust the timestamp to UTC time. Time zone information, the session’s TIME ZONE setting is used toĪdjust the source to UTC time. When a timestamp with time zone is created from a source without The the database designer, but unknown to PostgreSQL). Time, unlike timestamp without time zone, which represents localĭate and time in some unknown time zone (possibly- hopefully- known ![]() Rather, it indicates that its datetime fields shouldīe interpreted as a UTC time. Timestamp with time zone has no fields beyond those of ![]() Zone, and potentially confusing to PostgreSQL newcomers.Ī time with time zone is essentially a time structure withĪn additional field storing a time zone offset. The SQL standard (probably), inconsistent with time with time PostgreSQL’s timestamp with time zone type is inconsistent with Changed in version 1.7: Added SCRAM-SHA-256-PLUS support. The gss, sspi, and krb5 methods are not supported.Ĭhanged in version 1.2 of package db-lib: Added SCRAM-SHA-256 support. Utility such as iconv), create a new database with the desiredĮncoding, and pg_restore from the recoded dump file. Sensible, pg_dump the database, recode the dump file (using a To convert a PostgreSQL database from SQL_ASCII to something Will cause corrupt data or internal errors in the client connection. If a PostgreSQL database’s characterĮncoding is SQL_ASCII, however, PostgreSQL will not honor theĬonnection encoding it will instead send untranslated octets, which The connect function always requests translation to Unicode (UTF-8) In most cases, a database’s character encoding is irrelevant, since 6.2 PostgreSQL Database Character Encoding Searched using the mysql-guess-socket-path function. ForĮxample, on Ubuntu 11.04 running MySQL 5.1, the socket is located at The socket variable in the my.cnf configuration file. The socket file for a MySQL server is located at the path specified by Searched automatically using the postgresql-guess-socket-path var/run/postgresql and the socket file is Ubuntu 11.04 running PostgreSQL 8.4, the socket directory is Specified by the unix_socket_directory variable in the The socket file for a PostgreSQL server is located in the directory If local socket communication is notĪvailable, the server must be reconfigured to listen on a TCP port. This library provides support for communication over local Listen only on local sockets (also called “unix domain PostgreSQL and MySQL servers are sometimes configured by default to 6.1 Local Sockets for PostgreSQL and MySQL Servers ![]() This section discusses issues related to specific database systems.
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