MySQL增強(qiáng)版擴(kuò)展

• 簡介
• Overview
• Quick start guide
  • Dual procedural and object-oriented interface
  • Connections
  • Executing statements
  • Prepared Statements
  • Stored Procedures
  • Multiple Statements
  • API support for transactions
  • Metadata
• 安裝／配置
  • 需求
  • 安裝
  • 運行時配置
  • 資源類型
• mysqli 擴(kuò)展和持久化連接
• 預(yù)定義常量
• Notes
• MySQLi 擴(kuò)展的功能概述
• MySQLi — MySQLi類
  • mysqli::$affected_rows — Gets the number of affected rows in a previous MySQL operation
  • mysqli::autocommit — 打開或關(guān)閉本次數(shù)據(jù)庫連接的自動命令提交事務(wù)模式
  • mysqli::begin_transaction — Starts a transaction
  • mysqli::change_user — Changes the user of the specified database connection
  • mysqli::character_set_name — 返回當(dāng)前數(shù)據(jù)庫連接的默認(rèn)字符編碼
  • mysqli::close — 關(guān)閉先前打開的數(shù)據(jù)庫連接
  • mysqli::commit — 提交一個事務(wù)
  • mysqli::$connect_errno — Returns the error code from last connect call
  • mysqli::$connect_error — Returns a description of the last connection error
  • mysqli::__construct — Open a new connection to the MySQL server
  • mysqli::debug — Performs debugging operations
  • mysqli::dump_debug_info — 將調(diào)試信息輸出到日志
  • mysqli::errno — 返回最近函數(shù)調(diào)用的錯誤代碼
  • mysqli::$error_list — Returns a list of errors from the last command executed
  • mysqli::$error — Returns a string description of the last error
  • mysqli::$field_count — Returns the number of columns for the most recent query
  • mysqli::get_charset — Returns a character set object
  • mysqli::$client_info — 獲取 MySQL 客戶端信息
  • mysqli_get_client_version — 作為一個整數(shù)返回MySQL客戶端的版本
  • mysqli::get_connection_stats — 返回客戶端連接的統(tǒng)計數(shù)據(jù)
  • mysqli::$host_info — 返回一個表述使用的連接類型的字符串
  • mysqli::$protocol_version — 返回MySQL使用的協(xié)議版本號
  • mysqli::$server_info — 返回MySQL服務(wù)器的版本號
  • mysqli::$server_version — 作為一個整數(shù)返回MySQL服務(wù)器的版本
  • mysqli::get_warnings — Get result of SHOW WARNINGS
  • mysqli::$info — 返回最近執(zhí)行的 SQL 語句的信息
  • mysqli::init — 初始化 MySQLi 并返回一個資源類型的值，這個值可以作為 mysqli_real_connect() 函數(shù)的傳入?yún)?shù)
  • mysqli::$insert_id — 返回最后一條插入語句產(chǎn)生的自增 ID
  • mysqli::kill — 讓服務(wù)器殺掉一個 MySQL 線程
  • mysqli::more_results — 檢查批量查詢中是否還有查詢結(jié)果
  • mysqli::multi_query — 執(zhí)行查詢
  • mysqli::next_result — 為讀取 multi_query 執(zhí)行之后的下一個結(jié)果集做準(zhǔn)備
  • mysqli::options — 設(shè)置選項
  • mysqli::ping — ping 一個連接，或者如果連接處于斷開狀態(tài)，重新連接
  • mysqli::poll — 輪詢連接
  • mysqli::prepare — 準(zhǔn)備執(zhí)行一個 SQL 語句
  • mysqli::query — 對數(shù)據(jù)庫執(zhí)行一次查詢
  • mysqli::real_connect — 建立一個 MySQL 服務(wù)器連接
  • mysqli::real_escape_string — 根據(jù)當(dāng)前連接的字符集，對于 SQL 語句中的特殊字符進(jìn)行轉(zhuǎn)義
  • mysqli::real_query — 執(zhí)行一個mysql查詢
  • mysqli::reap_async_query — 獲取異步查詢的結(jié)果
  • mysqli::refresh — 刷新
  • mysqli::release_savepoint — 從當(dāng)前事務(wù)的保存點中移除一個命名保存點
  • mysqli::rollback — 回退當(dāng)前事務(wù)
  • mysqli::savepoint — 在當(dāng)前事務(wù)中增加一個命名保存點
  • mysqli::select_db — 選擇用于數(shù)據(jù)庫查詢的默認(rèn)數(shù)據(jù)庫
  • mysqli::set_charset — 設(shè)置默認(rèn)字符編碼
  • mysqli::$sqlstate — 返回上一次 SQL 操作的 SQLSTATE 錯誤信息
  • mysqli::ssl_set — 使用 SSL 建立到數(shù)據(jù)庫之間的安全連接
  • mysqli::stat — 獲取當(dāng)前系統(tǒng)狀態(tài)信息
  • mysqli::stmt_init — 初始化一條語句并返回一個用于mysqli_stmt_prepare(調(diào)用)的對象
  • mysqli::store_result — 轉(zhuǎn)移上一次查詢返回的結(jié)果集
  • mysqli::$thread_id — 返回當(dāng)前連接的線程 ID
  • mysqli::thread_safe — 返回是否是線程安全的
  • mysqli::use_result — Initiate a result set retrieval
  • mysqli::$warning_count — Returns the number of warnings from the last query for the given link
• MySQLi_STMT — MySQLi_STMT類
  • mysqli_stmt::$affected_rows — Returns the total number of rows changed, deleted, inserted, or matched by the last statement executed
  • mysqli_stmt::attr_get — Used to get the current value of a statement attribute
  • mysqli_stmt::attr_set — Used to modify the behavior of a prepared statement
  • mysqli_stmt::bind_param — Binds variables to a prepared statement as parameters
  • mysqli_stmt::bind_result — Binds variables to a prepared statement for result storage
  • mysqli_stmt::close — Closes a prepared statement
  • mysqli_stmt::__construct — Constructs a new mysqli_stmt object
  • mysqli_stmt::data_seek — Seeks to an arbitrary row in statement result set
  • mysqli_stmt::$errno — Returns the error code for the most recent statement call
  • mysqli_stmt::$error_list — Returns a list of errors from the last statement executed
  • mysqli_stmt::$error — Returns a string description for last statement error
  • mysqli_stmt::execute — Executes a prepared statement
  • mysqli_stmt::fetch — Fetch results from a prepared statement into the bound variables
  • mysqli_stmt::$field_count — Returns the number of columns in the given statement
  • mysqli_stmt::free_result — Frees stored result memory for the given statement handle
  • mysqli_stmt::get_result — Gets a result set from a prepared statement as a mysqli_result object
  • mysqli_stmt::get_warnings — Get result of SHOW WARNINGS
  • mysqli_stmt::$insert_id — Get the ID generated from the previous INSERT operation
  • mysqli_stmt::more_results — Check if there are more query results from a multiple query
  • mysqli_stmt::next_result — Reads the next result from a multiple query
  • mysqli_stmt::$num_rows — Returns the number of rows fetched from the server
  • mysqli_stmt::$param_count — Returns the number of parameters for the given statement
  • mysqli_stmt::prepare — Prepares an SQL statement for execution
  • mysqli_stmt::reset — Resets a prepared statement
  • mysqli_stmt::result_metadata — Returns result set metadata from a prepared statement
  • mysqli_stmt::send_long_data — Send data in blocks
  • mysqli_stmt::$sqlstate — Returns SQLSTATE error from previous statement operation
  • mysqli_stmt::store_result — Stores a result set in an internal buffer
• mysqli_result — mysqli_result類
  • mysqli_result::__construct — Constructs a mysqli_result object
  • mysqli_result::$current_field — Get current field offset of a result pointer
  • mysqli_result::data_seek — Adjusts the result pointer to an arbitrary row in the result
  • mysqli_result::fetch_all — Fetch all result rows as an associative array, a numeric array, or both
  • mysqli_result::fetch_array — Fetch the next row of a result set as an associative, a numeric array, or both
  • mysqli_result::fetch_assoc — Fetch the next row of a result set as an associative array
  • mysqli_result::fetch_column — Fetch a single column from the next row of a result set
  • mysqli_result::fetch_field_direct — Fetch meta-data for a single field
  • mysqli_result::fetch_field — Returns the next field in the result set
  • mysqli_result::fetch_fields — Returns an array of objects representing the fields in a result set
  • mysqli_result::fetch_object — Fetch the next row of a result set as an object
  • mysqli_result::fetch_row — Fetch the next row of a result set as an enumerated array
  • mysqli_result::$field_count — Gets the number of fields in the result set
  • mysqli_result::field_seek — Set result pointer to a specified field offset
  • mysqli_result::free — Frees the memory associated with a result
  • mysqli_result::getIterator — Retrieve an external iterator
  • mysqli_result::$lengths — Returns the lengths of the columns of the current row in the result set
  • mysqli_result::$num_rows — Gets the number of rows in the result set
• MySQLi_Driver — MySQLi_Driver類
  • mysqli_driver::embedded_server_end — Stop embedded server
  • mysqli_driver::embedded_server_start — Initialize and start embedded server
  • mysqli_driver::$report_mode — Sets mysqli error reporting mode
• MySQLi_Warning — MySQLi_Warning類
  • mysqli_warning::__construct — Private constructor to disallow direct instantiation
  • mysqli_warning::next — Fetch next warning
• mysqli_sql_exception — mysqli異常類
• 別名和過時的 Mysqli 函數(shù)
  • mysqli_connect — 別名 mysqli::__construct
  • mysqli_escape_string — 別名 mysqli_real_escape_string
  • mysqli_execute — mysqli_stmt_execute 的別名
  • mysqli_get_client_stats — 返回客戶端進(jìn)程統(tǒng)計信息
  • mysqli_get_links_stats — 返回打開和緩存的鏈接相關(guān)信息
  • mysqli_report — 別名 mysqli_driver->report_mode
  • mysqli::set_opt — Alias of mysqli_options