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2025-12-22 13:59:40 +08:00
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229
thinkphp/library/think/db/connector/Mysql.php Normal file
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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace think\db\connector;
use PDO;
use think\db\Connection;
use think\db\Query;
/**
* mysql数据库驱动
*/
class Mysql extends Connection
{
protected $builder = '\\think\\db\\builder\\Mysql';
/**
* 初始化
* @access protected
* @return void
*/
protected function initialize()
{
// Point类型支持
Query::extend('point', function ($query, $field, $value = null, $fun = 'GeomFromText', $type = 'POINT') {
if (!is_null($value)) {
$query->data($field, ['point', $value, $fun, $type]);
} else {
if (is_string($field)) {
$field = explode(',', $field);
}
$query->setOption('point', $field);
}
return $query;
});
}
/**
* 解析pdo连接的dsn信息
* @access protected
* @param array $config 连接信息
* @return string
*/
protected function parseDsn($config)
{
if (!empty($config['socket'])) {
$dsn = 'mysql:unix_socket=' . $config['socket'];
} elseif (!empty($config['hostport'])) {
$dsn = 'mysql:host=' . $config['hostname'] . ';port=' . $config['hostport'];
} else {
$dsn = 'mysql:host=' . $config['hostname'];
}
$dsn .= ';dbname=' . $config['database'];
if (!empty($config['charset'])) {
$dsn .= ';charset=' . $config['charset'];
}
return $dsn;
}
/**
* 取得数据表的字段信息
* @access public
* @param string $tableName
* @return array
*/
public function getFields($tableName)
{
list($tableName) = explode(' ', $tableName);
if (false === strpos($tableName, '`')) {
if (strpos($tableName, '.')) {
$tableName = str_replace('.', '`.`', $tableName);
}
$tableName = '`' . $tableName . '`';
}
$sql = 'SHOW COLUMNS FROM ' . $tableName;
$pdo = $this->query($sql, [], false, true);
$result = $pdo->fetchAll(PDO::FETCH_ASSOC);
$info = [];
if ($result) {
foreach ($result as $key => $val) {
$val = array_change_key_case($val);
$info[$val['field']] = [
'name' => $val['field'],
'type' => $val['type'],
'notnull' => 'NO' == $val['null'],
'default' => $val['default'],
'primary' => strtolower($val['key']) == 'pri',
'autoinc' => strtolower($val['extra']) == 'auto_increment',
];
}
}
return $this->fieldCase($info);
}
/**
* 取得数据库的表信息
* @access public
* @param string $dbName
* @return array
*/
public function getTables($dbName = '')
{
$sql = !empty($dbName) ? 'SHOW TABLES FROM ' . $dbName : 'SHOW TABLES ';
$pdo = $this->query($sql, [], false, true);
$result = $pdo->fetchAll(PDO::FETCH_ASSOC);
$info = [];
foreach ($result as $key => $val) {
$info[$key] = current($val);
}
return $info;
}
/**
* SQL性能分析
* @access protected
* @param string $sql
* @return array
*/
protected function getExplain($sql)
{
$pdo = $this->linkID->prepare("EXPLAIN " . $this->queryStr);
foreach ($this->bind as $key => $val) {
// 占位符
$param = is_int($key) ? $key + 1 : ':' . $key;
if (is_array($val)) {
if (PDO::PARAM_INT == $val[1] && '' === $val[0]) {
$val[0] = 0;
} elseif (self::PARAM_FLOAT == $val[1]) {
$val[0] = is_string($val[0]) ? (float) $val[0] : $val[0];
$val[1] = PDO::PARAM_STR;
}
$result = $pdo->bindValue($param, $val[0], $val[1]);
} else {
$result = $pdo->bindValue($param, $val);
}
}
$pdo->execute();
$result = $pdo->fetch(PDO::FETCH_ASSOC);
$result = array_change_key_case($result);
if (isset($result['extra'])) {
if (strpos($result['extra'], 'filesort') || strpos($result['extra'], 'temporary')) {
$this->log('SQL:' . $this->queryStr . '[' . $result['extra'] . ']', 'warn');
}
}
return $result;
}
protected function supportSavepoint()
{
return true;
}
/**
* 启动XA事务
* @access public
* @param string $xid XA事务id
* @return void
*/
public function startTransXa($xid)
{
$this->initConnect(true);
if (!$this->linkID) {
return false;
}
$this->linkID->exec("XA START '$xid'");
}
/**
* 预编译XA事务
* @access public
* @param string $xid XA事务id
* @return void
*/
public function prepareXa($xid)
{
$this->initConnect(true);
$this->linkID->exec("XA END '$xid'");
$this->linkID->exec("XA PREPARE '$xid'");
}
/**
* 提交XA事务
* @access public
* @param string $xid XA事务id
* @return void
*/
public function commitXa($xid)
{
$this->initConnect(true);
$this->linkID->exec("XA COMMIT '$xid'");
}
/**
* 回滚XA事务
* @access public
* @param string $xid XA事务id
* @return void
*/
public function rollbackXa($xid)
{
$this->initConnect(true);
$this->linkID->exec("XA ROLLBACK '$xid'");
}
}

116
thinkphp/library/think/db/connector/Pgsql.php Normal file
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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace think\db\connector;
use PDO;
use think\db\Connection;
/**
* Pgsql数据库驱动
*/
class Pgsql extends Connection
{
protected $builder = '\\think\\db\\builder\\Pgsql';
// PDO连接参数
protected $params = [
PDO::ATTR_CASE => PDO::CASE_NATURAL,
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
PDO::ATTR_STRINGIFY_FETCHES => false,
];
/**
* 解析pdo连接的dsn信息
* @access protected
* @param array $config 连接信息
* @return string
*/
protected function parseDsn($config)
{
$dsn = 'pgsql:dbname=' . $config['database'] . ';host=' . $config['hostname'];
if (!empty($config['hostport'])) {
$dsn .= ';port=' . $config['hostport'];
}
return $dsn;
}
/**
* 取得数据表的字段信息
* @access public
* @param string $tableName
* @return array
*/
public function getFields($tableName)
{
list($tableName) = explode(' ', $tableName);
$sql = 'select fields_name as "field",fields_type as "type",fields_not_null as "null",fields_key_name as "key",fields_default as "default",fields_default as "extra" from table_msg(\'' . $tableName . '\');';
$pdo = $this->query($sql, [], false, true);
$result = $pdo->fetchAll(PDO::FETCH_ASSOC);
$info = [];
if ($result) {
foreach ($result as $key => $val) {
$val = array_change_key_case($val);
$info[$val['field']] = [
'name' => $val['field'],
'type' => $val['type'],
'notnull' => (bool) ('' !== $val['null']),
'default' => $val['default'],
'primary' => !empty($val['key']),
'autoinc' => (0 === strpos($val['extra'], 'nextval(')),
];
}
}
return $this->fieldCase($info);
}
/**
* 取得数据库的表信息
* @access public
* @param string $dbName
* @return array
*/
public function getTables($dbName = '')
{
$sql = "select tablename as Tables_in_test from pg_tables where schemaname ='public'";
$pdo = $this->query($sql, [], false, true);
$result = $pdo->fetchAll(PDO::FETCH_ASSOC);
$info = [];
foreach ($result as $key => $val) {
$info[$key] = current($val);
}
return $info;
}
/**
* SQL性能分析
* @access protected
* @param string $sql
* @return array
*/
protected function getExplain($sql)
{
return [];
}
protected function supportSavepoint()
{
return true;
}
}

108
thinkphp/library/think/db/connector/Sqlite.php Normal file
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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace think\db\connector;
use PDO;
use think\db\Connection;
/**
* Sqlite数据库驱动
*/
class Sqlite extends Connection
{
protected $builder = '\\think\\db\\builder\\Sqlite';
/**
* 解析pdo连接的dsn信息
* @access protected
* @param array $config 连接信息
* @return string
*/
protected function parseDsn($config)
{
$dsn = 'sqlite:' . $config['database'];
return $dsn;
}
/**
* 取得数据表的字段信息
* @access public
* @param string $tableName
* @return array
*/
public function getFields($tableName)
{
list($tableName) = explode(' ', $tableName);
$sql = 'PRAGMA table_info( ' . $tableName . ' )';
$pdo = $this->query($sql, [], false, true);
$result = $pdo->fetchAll(PDO::FETCH_ASSOC);
$info = [];
if ($result) {
foreach ($result as $key => $val) {
$val = array_change_key_case($val);
$info[$val['name']] = [
'name' => $val['name'],
'type' => $val['type'],
'notnull' => 1 === $val['notnull'],
'default' => $val['dflt_value'],
'primary' => '1' == $val['pk'],
'autoinc' => '1' == $val['pk'],
];
}
}
return $this->fieldCase($info);
}
/**
* 取得数据库的表信息
* @access public
* @param string $dbName
* @return array
*/
public function getTables($dbName = '')
{
$sql = "SELECT name FROM sqlite_master WHERE type='table' "
. "UNION ALL SELECT name FROM sqlite_temp_master "
. "WHERE type='table' ORDER BY name";
$pdo = $this->query($sql, [], false, true);
$result = $pdo->fetchAll(PDO::FETCH_ASSOC);
$info = [];
foreach ($result as $key => $val) {
$info[$key] = current($val);
}
return $info;
}
/**
* SQL性能分析
* @access protected
* @param string $sql
* @return array
*/
protected function getExplain($sql)
{
return [];
}
protected function supportSavepoint()
{
return true;
}
}

235
thinkphp/library/think/db/connector/Sqlsrv.php Normal file
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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace think\db\connector;
use PDO;
use think\db\Connection;
use think\db\Query;
/**
* Sqlsrv数据库驱动
*/
class Sqlsrv extends Connection
{
// PDO连接参数
protected $params = [
PDO::ATTR_CASE => PDO::CASE_NATURAL,
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
PDO::ATTR_STRINGIFY_FETCHES => false,
];
protected $builder = '\\think\\db\\builder\\Sqlsrv';
/**
* 解析pdo连接的dsn信息
* @access protected
* @param array $config 连接信息
* @return string
*/
protected function parseDsn($config)
{
$dsn = 'sqlsrv:Database=' . $config['database'] . ';Server=' . $config['hostname'];
if (!empty($config['hostport'])) {
$dsn .= ',' . $config['hostport'];
}
return $dsn;
}
/**
* 取得数据表的字段信息
* @access public
* @param string $tableName
* @return array
*/
public function getFields($tableName)
{
list($tableName) = explode(' ', $tableName);
$tableNames = explode('.', $tableName);
$tableName = isset($tableNames[1]) ? $tableNames[1] : $tableNames[0];
$sql = "SELECT column_name, data_type, column_default, is_nullable
FROM information_schema.tables AS t
JOIN information_schema.columns AS c
ON t.table_catalog = c.table_catalog
AND t.table_schema = c.table_schema
AND t.table_name = c.table_name
WHERE t.table_name = '$tableName'";
$pdo = $this->query($sql, [], false, true);
$result = $pdo->fetchAll(PDO::FETCH_ASSOC);
$info = [];
if ($result) {
foreach ($result as $key => $val) {
$val = array_change_key_case($val);
$info[$val['column_name']] = [
'name' => $val['column_name'],
'type' => $val['data_type'],
'notnull' => (bool) ('' === $val['is_nullable']), // not null is empty, null is yes
'default' => $val['column_default'],
'primary' => false,
'autoinc' => false,
];
}
}
$sql = "SELECT column_name FROM information_schema.key_column_usage WHERE table_name='$tableName'";
// 调试开始
$this->debug(true);
$pdo = $this->linkID->query($sql);
// 调试结束
$this->debug(false, $sql);
$result = $pdo->fetch(PDO::FETCH_ASSOC);
if ($result) {
$info[$result['column_name']]['primary'] = true;
}
return $this->fieldCase($info);
}
/**
* 取得数据表的字段信息
* @access public
* @param string $dbName
* @return array
*/
public function getTables($dbName = '')
{
$sql = "SELECT TABLE_NAME
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE'
";
$pdo = $this->query($sql, [], false, true);
$result = $pdo->fetchAll(PDO::FETCH_ASSOC);
$info = [];
foreach ($result as $key => $val) {
$info[$key] = current($val);
}
return $info;
}
/**
* 得到某个列的数组
* @access public
* @param Query $query 查询对象
* @param string $field 字段名 多个字段用逗号分隔
* @param string $key 索引
* @return array
*/
public function column(Query $query, $field, $key = '')
{
$options = $query->getOptions();
if (empty($options['fetch_sql']) && !empty($options['cache'])) {
// 判断查询缓存
$cache = $options['cache'];
$guid = is_string($cache['key']) ? $cache['key'] : $this->getCacheKey($query, $field);
$result = Container::get('cache')->get($guid);
if (false !== $result) {
return $result;
}
}
if (isset($options['field'])) {
$query->removeOption('field');
}
if (is_null($field)) {
$field = '*';
} elseif ($key && '*' != $field) {
$field = $key . ',' . $field;
}
if (is_string($field)) {
$field = array_map('trim', explode(',', $field));
}
$query->setOption('field', $field);
// 生成查询SQL
$sql = $this->builder->select($query);
$bind = $query->getBind();
if (!empty($options['fetch_sql'])) {
// 获取实际执行的SQL语句
return $this->getRealSql($sql, $bind);
}
// 执行查询操作
$pdo = $this->query($sql, $bind, $options['master'], true);
if (1 == $pdo->columnCount()) {
$result = $pdo->fetchAll(PDO::FETCH_COLUMN);
} else {
$resultSet = $pdo->fetchAll(PDO::FETCH_ASSOC);
if ('*' == $field && $key) {
$result = array_column($resultSet, null, $key);
} elseif ($resultSet) {
$fields = array_keys($resultSet[0]);
$count = count($fields);
$key1 = array_shift($fields);
$key2 = $fields ? array_shift($fields) : '';
$key = $key ?: $key1;
if (strpos($key, '.')) {
list($alias, $key) = explode('.', $key);
}
if (3 == $count) {
$column = $key2;
} elseif ($count < 3) {
$column = $key1;
} else {
$column = null;
}
$result = array_column($resultSet, $column, $key);
} else {
$result = [];
}
}
if (isset($cache) && isset($guid)) {
// 缓存数据
$this->cacheData($guid, $result, $cache);
}
return $result;
}
/**
* SQL性能分析
* @access protected
* @param string $sql
* @return array
*/
protected function getExplain($sql)
{
return [];
}
}

153
thinkphp/library/think/db/connector/pgsql.sql Normal file
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CREATE OR REPLACE FUNCTION pgsql_type(a_type varchar) RETURNS varchar AS
$BODY$
DECLARE
v_type varchar;
BEGIN
IF a_type='int8' THEN
v_type:='bigint';
ELSIF a_type='int4' THEN
v_type:='integer';
ELSIF a_type='int2' THEN
v_type:='smallint';
ELSIF a_type='bpchar' THEN
v_type:='char';
ELSE
v_type:=a_type;
END IF;
RETURN v_type;
END;
$BODY$
LANGUAGE PLPGSQL;
CREATE TYPE "public"."tablestruct" AS (
"fields_key_name" varchar(100),
"fields_name" VARCHAR(200),
"fields_type" VARCHAR(20),
"fields_length" BIGINT,
"fields_not_null" VARCHAR(10),
"fields_default" VARCHAR(500),
"fields_comment" VARCHAR(1000)
);
CREATE OR REPLACE FUNCTION "public"."table_msg" (a_schema_name varchar, a_table_name varchar) RETURNS SETOF "public"."tablestruct" AS
$body$
DECLARE
v_ret tablestruct;
v_oid oid;
v_sql varchar;
v_rec RECORD;
v_key varchar;
v_conkey smallint[];
v_pk varchar[];
v_len smallint;
v_pos smallint := 1;
BEGIN
SELECT
pg_class.oid INTO v_oid
FROM
pg_class
INNER JOIN pg_namespace ON (pg_class.relnamespace = pg_namespace.oid AND lower(pg_namespace.nspname) = a_schema_name)
WHERE
pg_class.relname=a_table_name;
IF NOT FOUND THEN
RETURN;
END IF;
SELECT
pg_constraint.conkey INTO v_conkey
FROM
pg_constraint
INNER JOIN pg_class ON pg_constraint.conrelid = pg_class.oid
INNER JOIN pg_attribute ON pg_attribute.attrelid = pg_class.oid
INNER JOIN pg_type ON pg_type.oid = pg_attribute.atttypid
WHERE
pg_class.relname = a_table_name
AND pg_constraint.contype = 'p';
v_len := array_length(v_conkey,1) + 1;
WHILE v_pos < v_len LOOP
SELECT
pg_attribute.attname INTO v_key
FROM pg_constraint
INNER JOIN pg_class ON pg_constraint.conrelid = pg_class.oid
INNER JOIN pg_attribute ON pg_attribute.attrelid = pg_class.oid AND pg_attribute.attnum = pg_constraint.conkey [ v_conkey[v_pos] ]
INNER JOIN pg_type ON pg_type.oid = pg_attribute.atttypid
WHERE pg_class.relname = a_table_name AND pg_constraint.contype = 'p';
v_pk := array_append(v_pk,v_key);
v_pos := v_pos + 1;
END LOOP;
v_sql='
SELECT
pg_attribute.attname AS fields_name,
pg_attribute.attnum AS fields_index,
pgsql_type(pg_type.typname::varchar) AS fields_type,
pg_attribute.atttypmod-4 as fields_length,
CASE WHEN pg_attribute.attnotnull THEN ''not null''
ELSE ''''
END AS fields_not_null,
pg_attrdef.adsrc AS fields_default,
pg_description.description AS fields_comment
FROM
pg_attribute
INNER JOIN pg_class ON pg_attribute.attrelid = pg_class.oid
INNER JOIN pg_type ON pg_attribute.atttypid = pg_type.oid
LEFT OUTER JOIN pg_attrdef ON pg_attrdef.adrelid = pg_class.oid AND pg_attrdef.adnum = pg_attribute.attnum
LEFT OUTER JOIN pg_description ON pg_description.objoid = pg_class.oid AND pg_description.objsubid = pg_attribute.attnum
WHERE
pg_attribute.attnum > 0
AND attisdropped <> ''t''
AND pg_class.oid = ' || v_oid || '
ORDER BY pg_attribute.attnum' ;
FOR v_rec IN EXECUTE v_sql LOOP
v_ret.fields_name=v_rec.fields_name;
v_ret.fields_type=v_rec.fields_type;
IF v_rec.fields_length > 0 THEN
v_ret.fields_length:=v_rec.fields_length;
ELSE
v_ret.fields_length:=NULL;
END IF;
v_ret.fields_not_null=v_rec.fields_not_null;
v_ret.fields_default=v_rec.fields_default;
v_ret.fields_comment=v_rec.fields_comment;
v_ret.fields_key_name='';
v_len := array_length(v_pk,1) + 1;
v_pos := 1;
WHILE v_pos < v_len LOOP
IF v_rec.fields_name = v_pk[v_pos] THEN
v_ret.fields_key_name=v_pk[v_pos];
EXIT;
END IF;
v_pos := v_pos + 1;
END LOOP;
RETURN NEXT v_ret;
END LOOP;
RETURN ;
END;
$body$
LANGUAGE 'plpgsql' VOLATILE CALLED ON NULL INPUT SECURITY INVOKER;
COMMENT ON FUNCTION "public"."table_msg"(a_schema_name varchar, a_table_name varchar)
IS '获得表信息';
---重载一个函数
CREATE OR REPLACE FUNCTION "public"."table_msg" (a_table_name varchar) RETURNS SETOF "public"."tablestruct" AS
$body$
DECLARE
v_ret tablestruct;
BEGIN
FOR v_ret IN SELECT * FROM table_msg('public',a_table_name) LOOP
RETURN NEXT v_ret;
END LOOP;
RETURN;
END;
$body$
LANGUAGE 'plpgsql' VOLATILE CALLED ON NULL INPUT SECURITY INVOKER;
COMMENT ON FUNCTION "public"."table_msg"(a_table_name varchar)
IS '获得表信息';