下载
文档
参与其中
帮助
PHP 8.3.0 RC 6 available for testing
Getting Started
Introduction
A simple tutorial
Language Reference
Basic syntax
Types
Variables
Constants
Expressions
Operators
Control Structures
Functions
Classes and Objects
Namespaces
Enumerations
Errors
Exceptions
Fibers
Generators
Attributes
References Explained
Predefined Variables
Predefined Exceptions
Predefined Interfaces and Classes
Predefined Attributes
Context options and parameters
Supported Protocols and Wrappers
Security
Introduction
General considerations
Installed as CGI binary
Installed as an Apache module
Session Security
Filesystem Security
Database Security
Error Reporting
User Submitted Data
Hiding PHP
Keeping Current
Features
HTTP authentication with PHP
Cookies
Sessions
Dealing with XForms
Handling file uploads
Using remote files
Connection handling
Persistent Database Connections
Command line usage
Garbage Collection
DTrace Dynamic Tracing
Function Reference
Affecting PHP's Behaviour
Audio Formats Manipulation
Authentication Services
Command Line Specific Extensions
Compression and Archive Extensions
Cryptography Extensions
Database Extensions
Date and Time Related Extensions
File System Related Extensions
Human Language and Character Encoding Support
Image Processing and Generation
Mail Related Extensions
Mathematical Extensions
Non-Text MIME Output
Process Control Extensions
Other Basic Extensions
Other Services
Search Engine Extensions
Server Specific Extensions
Session Extensions
Text Processing
Variable and Type Related Extensions
Web Services
Windows Only Extensions
XML Manipulation
GUI Extensions
Keyboard Shortcuts
?
This help
j
Next menu item
k
Previous menu item
g p
Previous man page
g n
Next man page
G
Scroll to bottom
g g
Scroll to top
g h
Goto homepage
g s
Goto search
(current page)
/
Focus search box
简介 »
« ociwritetemporarylob
PHP 手册
函数参考
数据库扩展
针对各数据库系统对应的扩展
Change language:
English
Brazilian Portuguese
Chinese (Simplified)
French
German
Japanese
Russian
Spanish
Turkish
Other
Submit a Pull Request
Report a Bug
PostgreSQL
简介
安装/配置
需求
安装
运行时配置
资源类型
预定义常量
示例
Basic usage
Basic usage
PostgreSQL 函数
pg_affected_rows
— 返回受影响的记录数(元组)
pg_cancel_query
— 取消异步查询
pg_client_encoding
— 获取客户端编码
pg_close
— 关闭 PostgreSQL 连接
pg_connect_poll
— 对正在进行尝试进行异步的 PostgreSQL 连接轮询其状态。
pg_connect
— 打开 PostgreSQL 连接
pg_connection_busy
— 获取连接是否繁忙
pg_connection_reset
— 重置连接(再次连接)
pg_connection_status
— 获取连接状态
pg_consume_input
— Reads input on the connection
pg_convert
— 将关联的数组值转换为适合 SQL 语句的格式
pg_copy_from
— 将数组中的记录插入到表
pg_copy_to
— 将表复制到数组
pg_dbname
— 获取数据库名称
pg_delete
— 删除记录
pg_end_copy
— 与 PostgreSQL 后端同步
pg_escape_bytea
— 转义字符串以插入到 bytea 字段
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
— 转义字符串以供查询
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
— 从结果中获取所有行作为数组
pg_fetch_array
— 获取一行作为数组
pg_fetch_assoc
— 获取一行作为关联数组
pg_fetch_object
— 获取一行作为对象
pg_fetch_result
— 从结果实例返回值
pg_fetch_row
— 提取一行作为枚举数组
pg_field_is_null
— 测试字段是否为 SQL NULL
pg_field_name
— 返回字段名
pg_field_num
— 返回名为 field 的字段编号
pg_field_prtlen
— 返回打印的长度
pg_field_size
— 返回指定字段的内部存储大小
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
— 返回相应字段编号的类型名称
pg_flush
— 刷新链接中已处理的数据查询
pg_free_result
— 释放查询结果占用的内存
pg_get_notify
— 获取 SQL NOTIFY 消息
pg_get_pid
— 获取后端的进程 ID
pg_get_result
— 取得异步查询结果
pg_host
— 返回和某连接关联的主机名
pg_insert
— 将数组插入到表中
pg_last_error
— 得到某连接的最后一条错误信息
pg_last_notice
— 返回 PostgreSQL 服务器最新一条公告信息
pg_last_oid
— 返回上一条记录的 oid
pg_lo_close
— 关闭大对象
pg_lo_create
— 新建大对象
pg_lo_export
— 将大型对象导出到文件
pg_lo_import
— 将文件导入为大型对象
pg_lo_open
— 打开大对象
pg_lo_read_all
— 读取整个大对象并直接发送到浏览器
pg_lo_read
— 读取大对象
pg_lo_seek
— 在大对象中寻找位置
pg_lo_tell
— 返回当前大型对象的指针位置
pg_lo_truncate
— Truncates a large object
pg_lo_unlink
— 删除一个大型对象
pg_lo_write
— 向大对象写入数据
pg_meta_data
— 获得表的元数据
pg_num_fields
— 返回结果中字段的数量
pg_num_rows
— 返回结果中行的数量
pg_options
— 获得和 connection 相关的选项
pg_parameter_status
— Looks up a current parameter setting of the server
pg_pconnect
— 打开一个持久的 PostgreSQL 连接
pg_ping
— Ping 数据库连接
pg_port
— 返回 connection 相关的端口号
pg_prepare
— Submits a request to create a prepared statement with the given parameters, and waits for completion
pg_put_line
— 向 PostgreSQL 后端发送以 NULL 字符结尾的字符串
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
— 执行查询
pg_result_error_field
— Returns an individual field of an error report
pg_result_error
— 获得跟 result 相关的错误信息
pg_result_seek
— 在 result 实例中设定内部行偏移量
pg_result_status
— 获得查询结果的状态
pg_select
— 选择记录
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
— 发送异步查询
pg_set_client_encoding
— 设定客户端编码
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
— 启用 PostgreSQL 连接的追踪
pg_transaction_status
— Returns the current in-transaction status of the server
pg_tty
— 返回跟连接相关的 tty 名
pg_unescape_bytea
— 反转义 bytea 类型的二进制数据
pg_untrace
— 禁用 PostgreSQL 连接的追踪
pg_update
— 更新表
pg_version
— Returns an array with client, protocol and server version (when available)
PgSql\Connection
— The PgSql\Connection class
PgSql\Result
— The PgSql\Result class
PgSql\Lob
— The PgSql\Lob class
+
add a note
User Contributed Notes
There are no user contributed notes for this page.