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2019-09-06 23:53:10 +08:00
commit f0ef89dfbb
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31
extend/app_alipay/lotusphp_runtime/DB/Adapter/SqlAdapter/DbSqlAdapter.php Executable file
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<?php
interface LtDbSqlAdapter
{
/**
* Return SQL statements
*/
public function setCharset($charset);
public function setSchema($schema);
public function showSchemas($database);
public function showTables($schema);
public function showFields($table);
public function beginTransaction();
public function commit();
public function rollBack();
public function limit($limit, $offset);
/**
* Retrive recordset
*/
public function getSchemas($queryResult);
public function getTables($queryResult);
public function getFields($queryResult);
/**
* Parse SQL
*/
public function detectQueryType($sql);
}

90
extend/app_alipay/lotusphp_runtime/DB/Adapter/SqlAdapter/DbSqlAdapterMysql.php Executable file
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<?php
class LtDbSqlAdapterMysql implements LtDbSqlAdapter
{
public function setCharset($charset)
{
return "SET NAMES " . str_replace('-', '', $charset);
}
public function setSchema($schema)
{
return "USE $schema";
}
public function showSchemas($database)
{
return "SHOW DATABASES";
}
public function showTables($schema)
{
return "SHOW TABLES";
}
public function showFields($table)
{
return "DESCRIBE $table";
}
public function beginTransaction()
{
return "START TRANSACTION";
}
public function commit()
{
return "COMMIT";
}
public function rollBack()
{
return "ROLLBACK";
}
public function limit($limit, $offset)
{
return " LIMIT $limit OFFSET $offset";
}
public function getSchemas($queryResult)
{
}
public function getTables($queryResult)
{
}
public function getFields($queryResult)
{
foreach ($queryResult as $key => $value)
{
$fields[$value['Field']]['name'] = $value['Field'];
$fields[$value['Field']]['type'] = $value['Type'];
/*
* not null is NO or empty, null is YES
*/
$fields[$value['Field']]['notnull'] = (bool) ($value['Null'] != 'YES');
$fields[$value['Field']]['default'] = $value['Default'];
$fields[$value['Field']]['primary'] = (strtolower($value['Key']) == 'pri');
}
return $fields;
}
public function detectQueryType($sql)
{
if (preg_match("/^\s*SELECT|^\s*EXPLAIN|^\s*SHOW|^\s*DESCRIBE/i", $sql))
{
$ret = 'SELECT';
}
else if (preg_match("/^\s*INSERT/i", $sql))
{
$ret = 'INSERT';
}
else if (preg_match("/^\s*UPDATE|^\s*DELETE|^\s*REPLACE/i", $sql))
{
$ret = 'CHANGE_ROWS';
}
else if (preg_match("/^\s*USE|^\s*SET/i", $sql))
{
$ret = 'SET_SESSION_VAR';
}
else
{
$ret = 'OTHER';
}
return $ret;
}
}

81
extend/app_alipay/lotusphp_runtime/DB/Adapter/SqlAdapter/DbSqlAdapterPgsql.php Executable file
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<?php
class LtDbSqlAdapterPgsql implements LtDbSqlAdapter
{
public function setCharset($charset)
{
return "SET client_encoding TO '$charset'";
}
public function setSchema($schema)
{
return "SET search_path TO $schema";
}
public function beginTransaction()
{
return "";
}
public function commit()
{
return "";
}
public function rollBack()
{
return "";
}
public function showSchemas($database)
{
}
public function showTables($schema)
{
return "SELECT case when n.nspname='public' then c.relname else n.nspname||'.'||c.relname end as relname
FROM pg_class c join pg_namespace n on (c.relnamespace=n.oid)
WHERE c.relkind = 'r'
AND n.nspname NOT IN ('information_schema','pg_catalog')
AND n.nspname NOT LIKE 'pg_temp%'
AND n.nspname NOT LIKE 'pg_toast%'
ORDER BY relname";
}
public function showFields($table)
{
return "SELECT a.attnum, a.attname AS field, t.typname AS type,
format_type(a.atttypid, a.atttypmod) AS complete_type,
a.attnotnull AS isnotnull,
( SELECT 't' FROM pg_index
WHERE c.oid = pg_index.indrelid
AND pg_index.indkey[0] = a.attnum
AND pg_index.indisprimary = 't') AS pri,
(SELECT pg_attrdef.adsrc FROM pg_attrdef
WHERE c.oid = pg_attrdef.adrelid
AND pg_attrdef.adnum=a.attnum) AS default
FROM pg_attribute a, pg_class c, pg_type t
WHERE c.relname = '$table'
AND a.attnum > 0
AND a.attrelid = c.oid
AND a.atttypid = t.oid
ORDER BY a.attnum";
}
public function limit($limit, $offset)
{
return " LIMIT $limit OFFSET $offset";
}
public function getSchemas($queryResult)
{
}
public function getTables($queryResult)
{
}
public function getFields($queryResult)
{
}
public function detectQueryType($sql)
{
}
}

120
extend/app_alipay/lotusphp_runtime/DB/Adapter/SqlAdapter/DbSqlAdapterSqlite.php Executable file
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<?php
class LtDbSqlAdapterSqlite implements LtDbSqlAdapter
{
public function setCharset($charset)
{
// return 'PRAGMA encoding = "' . $charset . '"';
return '';
}
public function setSchema($schema)
{
return '';
}
public function beginTransaction()
{
return 'BEGIN TRANSACTION';
}
public function commit()
{
return 'COMMIT TRANSACTION';
}
public function rollBack()
{
return 'ROLLBACK TRANSACTION';
}
public function showSchemas($database)
{
//return "SHOW DATABASES";
return '';
}
public function showTables($schema)
{
// 临时表及其索引不在 SQLITE_MASTER 表中而在 SQLITE_TEMP_MASTER 中出现
return "SELECT name FROM sqlite_master WHERE type='table' UNION ALL SELECT name FROM sqlite_temp_master WHERE type='table' ORDER BY name";
}
public function showFields($table)
{
return "PRAGMA table_info('" . $table . "')";
}
public function limit($limit, $offset)
{
return " LIMIT $limit OFFSET $offset";
}
public function getSchemas($queryResult)
{
}
public function getTables($queryResult)
{
return $queryResult;
}
public function getFields($queryResult)
{
$fields = array();
foreach ($queryResult as $key => $value)
{
// 字段名
$fields[$value['name']]['name'] = $value['name'];
// 字段类型
$fulltype = $value['type'];
$size = null;
$precision = null;
$scale = null;
if (preg_match('/^([^\(]+)\(\s*(\d+)\s*,\s*(\d+)\s*\)$/',$fulltype, $matches))
{
$type = $matches[1];
$precision = $matches[2];
$scale = $matches[3]; // aka precision
}
elseif (preg_match('/^([^\(]+)\(\s*(\d+)\s*\)$/',$fulltype, $matches))
{
$type = $matches[1];
$size = $matches[2];
}
else
{
$type = $fulltype;
}
$fields[$value['name']]['type'] = $type;
/**
* not null is 99, null is 0
*/
$fields[$value['name']]['notnull'] = (bool) ($value['notnull'] != 0);
$fields[$value['name']]['default'] = $value['dflt_value'];
$fields[$value['name']]['primary'] = (bool) ($value['pk'] == 1 && strtoupper($fulltype) == 'INTEGER');
}
return $fields;
}
public function detectQueryType($sql)
{
if (preg_match("/^\s*SELECT|^\s*PRAGMA/i", $sql))
{
$ret = 'SELECT';
}
else if (preg_match("/^\s*INSERT/i", $sql))
{
$ret = 'INSERT';
}
else if (preg_match("/^\s*UPDATE|^\s*DELETE|^\s*REPLACE/i", $sql))
{
$ret = 'CHANGE_ROWS';
}
else if (preg_match("/^\s*USE|^\s*SET/i", $sql))
{
$ret = 'SET_SESSION_VAR';
}
else
{
$ret = 'OTHER';
}
return $ret;
}
}