PostgreSQL

• Introducción
• Instalación/Configuración
  • Requerimientos
  • Instalación
  • Configuración en tiempo de ejecución
  • Tipos de recursos
• Constantes predefinidas
• Ejemplos
  • Uso básico
• Funciones de PostgreSQL
  • pg_affected_rows — Devuelve el número de registros afectados (filas)
  • pg_cancel_query — Cancelar una consulta asíncrona
  • pg_client_encoding — Obtiene la codificación del cliente
  • pg_close — Cierra una conexión PostgreSQL
  • pg_connect_poll — Poll the status of an in-progress asynchronous PostgreSQL connection attempt.
  • pg_connect — Abrir una conexión a PostgreSQL
  • pg_connection_busy — Permite saber si la conexión esta ocupada o no
  • pg_connection_reset — Restablece conexión (reconectar)
  • pg_connection_status — Obtener estado de la conexión
  • pg_consume_input — Reads input on the connection
  • pg_convert — Conviertir valores de un array asociativo en valores adcuados para sentencias SQL
  • pg_copy_from — Insertar registros dentro de una tabla desde un array
  • pg_copy_to — Copiar una tabla a un array
  • pg_dbname — Obtiene el nombre de la base de datos
  • pg_delete — Borra registros
  • pg_end_copy — Sincronizar con PostgreSQL
  • pg_escape_bytea — Escapar un string para insertarlo en un campo bytea
  • pg_escape_identifier — Escape a identifier for insertion into a text field
  • pg_escape_literal — Escape a literal for insertion into a text field
  • pg_escape_string — Escape a string for query
  • pg_execute — Envía una solicitud para ejecutar una setencia preparada con parámetros dados, y espera el resultado
  • 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_flush — Flush outbound query data on the connection
  • 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_truncate — Truncates a 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 a conexión de base de datos
  • pg_port — Devuelve el número de puerto asociado con la conexión
  • 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 — Ejecutar una consulta
  • 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_socket — Get a read only handle to the socket underlying a PostgreSQL connection
  • 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 — Devuelve un array con el cliente, protocolo y versión del servidor (si está disponible)