PostgreSQL

pg_affected_rows

PostgreSQL

PHP Manual

PostgreSQL Функции

Примечания

Замечание: Not all functions are supported by all builds. It depends on your libpq (The PostgreSQL C client library) version and how libpq is compiled. If PHP PostgreSQL extensions are missing, then it is because your libpq version does not support them.

Замечание: Most PostgreSQL functions accept connection as the first optional parameter. If it is not provided, the last opened connection is used. If it doesn't exist, functions return FALSE.

Замечание: PostgreSQL automatically folds all identifiers (e.g. table/column names) to lower-case values at object creation time and at query time. To force the use of mixed or upper case identifiers, you must escape the identifier using double quotes ("").

Замечание: PostgreSQL does not have special commands for fetching database schema information (eg. all the tables in the current database). Instead, there is a standard schema named information_schema in PostgreSQL 7.4 and above containing system views with all the necessary information, in an easily queryable form. See the » PostgreSQL Documentation for full details.

Содержание

• pg_affected_rows — Returns number of affected records (tuples)
• pg_cancel_query — Cancel an asynchronous query
• pg_client_encoding — Gets the client encoding
• pg_close — Closes a PostgreSQL connection
• pg_connect — Open a PostgreSQL connection
• pg_connection_busy — Get connection is busy or not
• pg_connection_reset — Reset connection (reconnect)
• pg_connection_status — Get connection status
• pg_convert — Convert associative array values into suitable for SQL statement
• pg_copy_from — Insert records into a table from an array
• pg_copy_to — Copy a table to an array
• pg_dbname — Get the database name
• pg_delete — Deletes records
• pg_end_copy — Sync with PostgreSQL backend
• pg_escape_bytea — Escape a string for insertion into a bytea field
• pg_escape_string — Escape a string for insertion into a text field
• pg_execute — Sends a request to execute a prepared statement with given parameters, and waits for the result.
• pg_fetch_all_columns — Fetches all rows in a particular result column as an array
• pg_fetch_all — Fetches all rows from a result as an array
• pg_fetch_array — Fetch a row as an array
• pg_fetch_assoc — Fetch a row as an associative array
• pg_fetch_object — Fetch a row as an object
• pg_fetch_result — Returns values from a result resource
• pg_fetch_row — Get a row as an enumerated array
• pg_field_is_null — Test if a field is SQL NULL
• pg_field_name — Returns the name of a field
• pg_field_num — Returns the field number of the named field
• pg_field_prtlen — Returns the printed length
• pg_field_size — Returns the internal storage size of the named field
• pg_field_table — Returns the name or oid of the tables field
• pg_field_type_oid — Returns the type ID (OID) for the corresponding field number
• pg_field_type — Returns the type name for the corresponding field number
• pg_free_result — Free result memory
• pg_get_notify — Gets SQL NOTIFY message
• pg_get_pid — Gets the backend's process ID
• pg_get_result — Get asynchronous query result
• pg_host — Returns the host name associated with the connection
• pg_insert — Insert array into table
• pg_last_error — Get the last error message string of a connection
• pg_last_notice — Returns the last notice message from PostgreSQL server
• pg_last_oid — Returns the last row's OID
• pg_lo_close — Close a large object
• pg_lo_create — Create a large object
• pg_lo_export — Export a large object to file
• pg_lo_import — Import a large object from file
• pg_lo_open — Open a large object
• pg_lo_read_all — Reads an entire large object and send straight to browser
• pg_lo_read — Read a large object
• pg_lo_seek — Seeks position within a large object
• pg_lo_tell — Returns current seek position a of large object
• pg_lo_unlink — Delete a large object
• pg_lo_write — Write to a large object
• pg_meta_data — Get meta data for table
• pg_num_fields — Returns the number of fields in a result
• pg_num_rows — Returns the number of rows in a result
• pg_options — Get the options associated with the connection
• pg_parameter_status — Looks up a current parameter setting of the server.
• pg_pconnect — Open a persistent PostgreSQL connection
• pg_ping — Ping database connection
• pg_port — Return the port number associated with the connection
• pg_prepare — Submits a request to create a prepared statement with the given parameters, and waits for completion.
• pg_put_line — Send a NULL-terminated string to PostgreSQL backend
• pg_query_params — Submits a command to the server and waits for the result, with the ability to pass parameters separately from the SQL command text.
• pg_query — Execute a query
• pg_result_error_field — Returns an individual field of an error report.
• pg_result_error — Get error message associated with result
• pg_result_seek — Set internal row offset in result resource
• pg_result_status — Get status of query result
• pg_select — Select records
• pg_send_execute — Sends a request to execute a prepared statement with given parameters, without waiting for the result(s).
• pg_send_prepare — Sends a request to create a prepared statement with the given parameters, without waiting for completion.
• pg_send_query_params — Submits a command and separate parameters to the server without waiting for the result(s).
• pg_send_query — Sends asynchronous query
• pg_set_client_encoding — Set the client encoding
• pg_set_error_verbosity — Determines the verbosity of messages returned by pg_last_error and pg_result_error.
• pg_trace — Enable tracing a PostgreSQL connection
• pg_transaction_status — Returns the current in-transaction status of the server.
• pg_tty — Return the TTY name associated with the connection
• pg_unescape_bytea — Unescape binary for bytea type
• pg_untrace — Disable tracing of a PostgreSQL connection
• pg_update — Update table
• pg_version — Returns an array with client, protocol and server version (when available)

PostgreSQL

pg_affected_rows

PostgreSQL

PHP Manual