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pg_free_result

pg_free_result

(PHP 4 >= 4.2.0, PHP 5)

pg_free_result释放查询结果占用的内存

说明

bool pg_free_result ( resource $result )

pg_free_result() 仅在当你担心脚本执行时占用了过多内存时调用。脚本执行完毕后所有的查询结果占用的内存都会被自动释放。不过如果你确认在脚本中不会再用到查询结果了,你可以用 result 作为参数调用 pg_free_result() 来释放有关的内存。成功时返回 TRUE, 或者在失败时返回 FALSE.

Note:

本函数以前的名字为 pg_freeresult()

参见 pg_query()


  • pg_affected_rows
  • pg_cancel_query
  • pg_client_encoding
  • pg_close
  • pg_connect
  • pg_connection_busy
  • pg_connection_reset
  • pg_connection_status
  • pg_convert
  • pg_copy_from
  • pg_copy_to
  • pg_dbname
  • pg_delete
  • pg_end_copy
  • pg_escape_bytea
  • pg_escape_identifier
  • pg_escape_literal
  • pg_escape_string
  • pg_execute
  • pg_fetch_all
  • pg_fetch_all_columns
  • pg_fetch_array
  • pg_fetch_assoc
  • pg_fetch_object
  • pg_fetch_result
  • pg_fetch_row
  • pg_field_is_null
  • pg_field_name
  • pg_field_num
  • pg_field_prtlen
  • pg_field_size
  • pg_field_table
  • pg_field_type
  • pg_field_type_oid
  • pg_free_result
  • pg_get_notify
  • pg_get_pid
  • pg_get_result
  • pg_host
  • pg_insert
  • pg_last_error
  • pg_last_notice
  • pg_last_oid
  • pg_lo_close
  • pg_lo_create
  • pg_lo_export
  • pg_lo_import
  • pg_lo_open
  • pg_lo_read
  • pg_lo_read_all
  • pg_lo_seek
  • pg_lo_tell
  • pg_lo_unlink
  • pg_lo_write
  • pg_meta_data
  • pg_num_fields
  • pg_num_rows
  • pg_options
  • pg_parameter_status
  • pg_pconnect
  • pg_ping
  • pg_port
  • pg_prepare
  • pg_put_line
  • pg_query
  • pg_query_params
  • pg_result_error
  • pg_result_error_field
  • pg_result_seek
  • pg_result_status
  • pg_select
  • pg_send_execute
  • pg_send_prepare
  • pg_send_query
  • pg_send_query_params
  • pg_set_client_encoding
  • pg_set_error_verbosity
  • pg_trace
  • pg_transaction_status
  • pg_tty
  • pg_unescape_bytea
  • pg_untrace
  • pg_update
  • pg_version
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