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Manual de PHP
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Extensiones de bases de datos específicas del proveedor
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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
— Abre una conexión a PostgreSQL
pg_connect_poll
— Verifica el estado de un intento de conexión asíncrono en curso de 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 adecuados 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
— Obtiene todas las filas de un resultado como un array
pg_fetch_all_columns
— Fetches all rows in a particular result column 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 instance
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
— Devuelve el nombre de tipo para el número de campo correspondiente
pg_field_type_oid
— Returns the type ID (OID) 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
— Obtiene la ID del proceso del backend
pg_get_result
— Get asynchronous query result
pg_host
— Devuelve el nombre de host asociado a la conexión
pg_insert
— Insert array into table
pg_last_error
— Obtiene una cadena con el último mensaje de error de la conexión
pg_last_notice
— Devuelve el último aviso del servidor PostgreSQL
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
— Read a large object
pg_lo_read_all
— Reads an entire large object and send straight to browser
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
— Obtener las opciones asociadas con la conexión
pg_parameter_status
— Looks up a current parameter setting of the server
pg_pconnect
— Abre una conexión persistente a PostgreSQL
pg_ping
— Ping a conexión de base de datos
pg_port
— Devuelve el número de puerto asociado con la conexión
pg_prepare
— Envía una solicitud para crear una sentencia preparada con los parámetros dados, y espera que se complete
pg_put_line
— Send a NULL-terminated string to PostgreSQL backend
pg_query
— Ejecutar una consulta
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_result_error
— Get error message associated with result
pg_result_error_field
— Returns an individual field of an error report
pg_result_memory_size
— Returns the amount of memory allocated for a query result
pg_result_seek
— Set internal row offset in result instance
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
— Envía una solicitud para crear una instrucción preparada con los parámetros dados, sin esperar la finalización
pg_send_query
— Sends asynchronous query
pg_send_query_params
— Submits a command and separate parameters to the server without waiting for the result(s)
pg_set_chunked_rows_size
— Set the query results to be retrieved in chunk mode
pg_set_client_encoding
— Set the client encoding
pg_set_error_context_visibility
— Determines the visibility of the context's error messages returned by pg_last_error and pg_result_error
pg_set_error_verbosity
— Determines the verbosity of messages returned by pg_last_error and pg_result_error
pg_socket
— Obtener un identificador de sólo lectura en el socket subyacente a una conexión de PostgreSQL
pg_trace
— Enable tracing a PostgreSQL connection
pg_transaction_status
— Devuelve el estado actual de la transaccion del servidor
pg_tty
— Devolver el nombre TTY asociado con la conexión
pg_unescape_bytea
— Unescape binary for bytea type
pg_untrace
— Desactivar el rastreo de una conexión de PostgreSQL
pg_update
— Actualizar tabla
pg_version
— Devuelve un array con el cliente, protocolo y versión del servidor (si está disponible)
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