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tags/2.0.0-beta
Qiang Xue 13 years ago
parent
92fe7e47a1
commit
4f134c97a2
5 changed files with 306 additions and 847 deletions
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  1. 824
      framework/db/dao/Command.php
  2. 5
      framework/db/dao/Connection.php
  3. 2
      framework/db/dao/DataReader.php
  4. 167
      framework/db/dao/Query.php
  5. 155
      framework/db/dao/QueryBuilder.php

824
framework/db/dao/Command.php
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5
framework/db/dao/Connection.php
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@ -460,6 +460,11 @@ class Connection extends \yii\base\ApplicationComponent
}
}
public function getQueryBuilder()
{
return $this->getSchema()->getQueryBuilder();
}
/**
* Returns the ID of the last inserted row or sequence value.
* @param string $sequenceName name of the sequence object (required by some DBMS)

2
framework/db/dao/DataReader.php
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@ -8,6 +8,8 @@
* @license http://www.yiiframework.com/license/
*/
namespace yii\db\dao;
/**
* DataReader represents a forward-only stream of rows from a query result set.
*

167
framework/db/dao/Query.php
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@ -16,7 +16,7 @@ namespace yii\db\dao;
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class Query extends CComponent
class Query extends \yii\base\Component
{
/**
* @var mixed the columns being selected. This refers to the SELECT clause in an SQL
@ -72,7 +72,7 @@ class Query extends CComponent
* @var array list of query parameter values indexed by parameter placeholders.
* For example, <code>array(':name'=>'Dan', ':age'=>31)</code>.
*/
public $params;
public $params = array();
public $union;
@ -82,6 +82,18 @@ class Query extends CComponent
return $connection->getQueryBuilder()->build($this);
}
public function addParams($params)
{
foreach ($params as $name => $value) {
if (is_integer($name)) {
$this->params[] = $value;
}
else {
$this->params[$name] = $value;
}
}
}
/**
* Appends a condition to the existing {@link condition}.
* The new condition and the existing condition will be concatenated via the specified operator
@ -361,157 +373,6 @@ class Query extends CComponent
}
/**
* Merges with another criteria.
* In general, the merging makes the resulting criteria more restrictive.
* For example, if both criterias have conditions, they will be 'AND' together.
* Also, the criteria passed as the parameter takes precedence in case
* two options cannot be merged (e.g. LIMIT, OFFSET).
* @param Query $criteria the criteria to be merged with.
* @param boolean $useAnd whether to use 'AND' to merge condition and having options.
* If false, 'OR' will be used instead. Defaults to 'AND'. This parameter has been
* available since version 1.0.6.
* @since 1.0.5
*/
public function mergeWith($criteria, $useAnd = true)
{
$and = $useAnd ? 'AND' : 'OR';
if (is_array($criteria))
$criteria = new self($criteria);
if ($this->select !== $criteria->select)
{
if ($this->select === '*')
$this->select = $criteria->select;
elseif ($criteria->select !== '*')
{
$select1 = is_string($this->select) ? preg_split('/\s*,\s*/', trim($this->select), -1, PREG_SPLIT_NO_EMPTY) : $this->select;
$select2 = is_string($criteria->select) ? preg_split('/\s*,\s*/', trim($criteria->select), -1, PREG_SPLIT_NO_EMPTY) : $criteria->select;
$this->select = array_merge($select1, array_diff($select2, $select1));
}
}
if ($this->condition !== $criteria->condition)
{
if ($this->condition === '')
$this->condition = $criteria->condition;
elseif ($criteria->condition !== '')
$this->condition = "( {$this->condition}) $and ( {$criteria->condition})";
}
if ($this->params !== $criteria->params)
$this->params = array_merge($this->params, $criteria->params);
if ($criteria->limit > 0)
$this->limit = $criteria->limit;
if ($criteria->offset >= 0)
$this->offset = $criteria->offset;
if ($criteria->alias !== null)
$this->alias = $criteria->alias;
if ($this->order !== $criteria->order)
{
if ($this->order === '')
$this->order = $criteria->order;
elseif ($criteria->order !== '')
$this->order = $criteria->order . ', ' . $this->order;
}
if ($this->group !== $criteria->group)
{
if ($this->group === '')
$this->group = $criteria->group;
elseif ($criteria->group !== '')
$this->group .= ', ' . $criteria->group;
}
if ($this->join !== $criteria->join)
{
if ($this->join === '')
$this->join = $criteria->join;
elseif ($criteria->join !== '')
$this->join .= ' ' . $criteria->join;
}
if ($this->having !== $criteria->having)
{
if ($this->having === '')
$this->having = $criteria->having;
elseif ($criteria->having !== '')
$this->having = "( {$this->having}) $and ( {$criteria->having})";
}
if ($criteria->distinct > 0)
$this->distinct = $criteria->distinct;
if ($criteria->together !== null)
$this->together = $criteria->together;
if ($criteria->index !== null)
$this->index = $criteria->index;
if (empty($this->scopes))
$this->scopes = $criteria->scopes;
elseif (!empty($criteria->scopes))
{
$scopes1 = (array)$this->scopes;
$scopes2 = (array)$criteria->scopes;
foreach ($scopes1 as $k => $v)
{
if (is_integer($k))
$scopes[] = $v;
elseif (isset($scopes2[$k]))
$scopes[] = array($k => $v);
else
$scopes[$k] = $v;
}
foreach ($scopes2 as $k => $v)
{
if (is_integer($k))
$scopes[] = $v;
elseif (isset($scopes1[$k]))
$scopes[] = array($k => $v);
else
$scopes[$k] = $v;
}
$this->scopes = $scopes;
}
if (empty($this->with))
$this->with = $criteria->with;
elseif (!empty($criteria->with))
{
$this->with = (array)$this->with;
foreach ((array)$criteria->with as $k => $v)
{
if (is_integer($k))
$this->with[] = $v;
elseif (isset($this->with[$k]))
{
$excludes = array();
foreach (array('joinType', 'on') as $opt)
{
if (isset($this->with[$k][$opt]))
$excludes[$opt] = $this->with[$k][$opt];
if (isset($v[$opt]))
$excludes[$opt] = ($opt === 'on' && isset($excludes[$opt]) && $v[$opt] !== $excludes[$opt]) ?
"($excludes[$opt]) AND $v[$opt]" : $v[$opt];
unset($this->with[$k][$opt]);
unset($v[$opt]);
}
$this->with[$k] = new self($this->with[$k]);
$this->with[$k]->mergeWith($v, $useAnd);
$this->with[$k] = $this->with[$k]->toArray();
if (count($excludes) !== 0)
$this->with[$k] = CMap::mergeArray($this->with[$k], $excludes);
}
else
$this->with[$k] = $v;
}
}
}
/**
* @return array the array representation of the criteria
* @since 1.0.6
*/

155
framework/db/dao/QueryBuilder.php
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@ -42,7 +42,7 @@ class QueryBuilder extends \yii\base\Component
public function __construct($schema)
{
$this->connection = $schema->getDbConnection();
$this->connection = $schema->connection;
$this->schema = $schema;
}
@ -59,8 +59,98 @@ class QueryBuilder extends \yii\base\Component
$this->buildOrderBy($query),
$this->buildLimit($query),
);
$sql = implode("\n", array_filter($clauses));
if ($this->connection->tablePrefix !== null && strpos($sql, '{') !== false) {
$sql = preg_replace('/{{(.*?)}}/', $this->connection->tablePrefix . '\1', $sql);
}
return $sql;
}
/**
* Creates and executes an INSERT SQL statement.
* The method will properly escape the column names, and bind the values to be inserted.
* @param string $table the table that new rows will be inserted into.
* @param array $columns the column data (name=>value) to be inserted into the table.
* @return integer number of rows affected by the execution.
* @since 1.1.6
*/
public function insert($table, $columns, &$params = array())
{
$names = array();
$placeholders = array();
$count = 0;
foreach ($columns as $name => $value) {
$names[] = $this->schema->quoteColumnName($name);
if ($value instanceof Expression) {
$placeholders[] = $value->expression;
foreach ($value->params as $n => $v) {
$params[$n] = $v;
}
}
else {
$placeholders[] = ':p' . $count;
$params[':p' . $count] = $value;
$count++;
}
}
return 'INSERT INTO ' . $this->schema->quoteTableName($table)
. ' (' . implode(', ', $names) . ') VALUES ('
. implode(', ', $placeholders) . ')';
}
/**
* Creates and executes an UPDATE SQL statement.
* The method will properly escape the column names and bind the values to be updated.
* @param string $table the table to be updated.
* @param array $columns the column data (name=>value) to be updated.
* @param mixed $conditions the conditions that will be put in the WHERE part. Please
* refer to {@link where} on how to specify conditions.
* @param array $params the parameters to be bound to the query.
* @return integer number of rows affected by the execution.
* @since 1.1.6
*/
public function update($table, $columns, $conditions = '', &$params = array())
{
$lines = array();
$count = 0;
foreach ($columns as $name => $value) {
if ($value instanceof Expression) {
$lines[] = $this->schema->quoteSimpleColumnName($name) . '=' . $value->expression;
foreach ($value->params as $n => $v) {
$params[$n] = $v;
}
}
else {
$lines[] = $this->schema->quoteSimpleColumnName($name) . '=:p' . $count;
$params[':p' . $count] = $value;
$count++;
}
}
$sql = 'UPDATE ' . $this->schema->quoteTableName($table) . ' SET ' . implode(', ', $lines);
if (($where = $this->buildCondition($conditions)) != '') {
$sql .= ' WHERE ' . $where;
}
return $sql;
}
return implode("\n", array_filter($clauses));
/**
* Creates and executes a DELETE SQL statement.
* @param string $table the table where the data will be deleted from.
* @param mixed $conditions the conditions that will be put in the WHERE part. Please
* refer to {@link where} on how to specify conditions.
* @param array $params the parameters to be bound to the query.
* @return integer number of rows affected by the execution.
* @since 1.1.6
*/
public function delete($table, $conditions = '')
{
$sql = 'DELETE FROM ' . $this->schema->quoteTableName($table);
if (($where = $this->buildCondition($conditions)) != '') {
$sql .= ' WHERE ' . $where;
}
return $sql;
}
/**
@ -101,7 +191,7 @@ class QueryBuilder extends \yii\base\Component
*/
public function renameTable($table, $newName)
{
return 'RENAME TABLE ' . $this->quoteTableName($table) . ' TO ' . $this->quoteTableName($newName);
return 'RENAME TABLE ' . $this->schema->quoteTableName($table) . ' TO ' . $this->schema->quoteTableName($newName);
}
/**
@ -111,7 +201,7 @@ class QueryBuilder extends \yii\base\Component
*/
public function dropTable($table)
{
return "DROP TABLE " . $this->quoteTableName($table);
return "DROP TABLE " . $this->schema->quoteTableName($table);
}
/**
@ -121,7 +211,7 @@ class QueryBuilder extends \yii\base\Component
*/
public function truncateTable($table)
{
return "TRUNCATE TABLE " . $this->quoteTableName($table);
return "TRUNCATE TABLE " . $this->schema->quoteTableName($table);
}
/**
@ -136,8 +226,8 @@ class QueryBuilder extends \yii\base\Component
*/
public function addColumn($table, $column, $type)
{
return 'ALTER TABLE ' . $this->quoteTableName($table)
. ' ADD ' . $this->quoteColumnName($column) . ' '
return 'ALTER TABLE ' . $this->schema->quoteTableName($table)
. ' ADD ' . $this->schema->quoteColumnName($column) . ' '
. $this->getColumnType($type);
}
@ -150,8 +240,8 @@ class QueryBuilder extends \yii\base\Component
*/
public function dropColumn($table, $column)
{
return "ALTER TABLE " . $this->quoteTableName($table)
. " DROP COLUMN " . $this->quoteSimpleColumnName($column);
return "ALTER TABLE " . $this->schema->quoteTableName($table)
. " DROP COLUMN " . $this->schema->quoteSimpleColumnName($column);
}
/**
@ -164,9 +254,9 @@ class QueryBuilder extends \yii\base\Component
*/
public function renameColumn($table, $name, $newName)
{
return "ALTER TABLE " . $this->quoteTableName($table)
. " RENAME COLUMN " . $this->quoteSimpleColumnName($name)
. " TO " . $this->quoteSimpleColumnName($newName);
return "ALTER TABLE " . $this->schema->quoteTableName($table)
. " RENAME COLUMN " . $this->schema->quoteSimpleColumnName($name)
. " TO " . $this->schema->quoteSimpleColumnName($newName);
}
/**
@ -180,9 +270,9 @@ class QueryBuilder extends \yii\base\Component
*/
public function alterColumn($table, $column, $type)
{
return 'ALTER TABLE ' . $this->quoteTableName($table) . ' CHANGE '
. $this->quoteSimpleColumnName($column) . ' '
. $this->quoteSimpleColumnName($column) . ' '
return 'ALTER TABLE ' . $this->schema->quoteTableName($table) . ' CHANGE '
. $this->schema->quoteSimpleColumnName($column) . ' '
. $this->schema->quoteSimpleColumnName($column) . ' '
. $this->getColumnType($type);
}
@ -202,14 +292,14 @@ class QueryBuilder extends \yii\base\Component
{
$columns = preg_split('/\s*,\s*/', $columns, -1, PREG_SPLIT_NO_EMPTY);
foreach ($columns as $i => $col)
$columns[$i] = $this->quoteColumnName($col);
$columns[$i] = $this->schema->quoteColumnName($col);
$refColumns = preg_split('/\s*,\s*/', $refColumns, -1, PREG_SPLIT_NO_EMPTY);
foreach ($refColumns as $i => $col)
$refColumns[$i] = $this->quoteColumnName($col);
$sql = 'ALTER TABLE ' . $this->quoteTableName($table)
. ' ADD CONSTRAINT ' . $this->quoteColumnName($name)
$refColumns[$i] = $this->schema->quoteColumnName($col);
$sql = 'ALTER TABLE ' . $this->schema->quoteTableName($table)
. ' ADD CONSTRAINT ' . $this->schema->quoteColumnName($name)
. ' FOREIGN KEY (' . implode(', ', $columns) . ')'
. ' REFERENCES ' . $this->quoteTableName($refTable)
. ' REFERENCES ' . $this->schema->quoteTableName($refTable)
. ' (' . implode(', ', $refColumns) . ')';
if ($delete !== null)
$sql .= ' ON DELETE ' . $delete;
@ -226,8 +316,8 @@ class QueryBuilder extends \yii\base\Component
*/
public function dropForeignKey($name, $table)
{
return 'ALTER TABLE ' . $this->quoteTableName($table)
. ' DROP CONSTRAINT ' . $this->quoteColumnName($name);
return 'ALTER TABLE ' . $this->schema->quoteTableName($table)
. ' DROP CONSTRAINT ' . $this->schema->quoteColumnName($name);
}
/**
@ -248,11 +338,11 @@ class QueryBuilder extends \yii\base\Component
if (strpos($col, '(') !== false)
$cols[] = $col;
else
$cols[] = $this->quoteColumnName($col);
$cols[] = $this->schema->quoteColumnName($col);
}
return ($unique ? 'CREATE UNIQUE INDEX ' : 'CREATE INDEX ')
. $this->quoteTableName($name) . ' ON '
. $this->quoteTableName($table) . ' (' . implode(', ', $cols) . ')';
. $this->schema->quoteTableName($name) . ' ON '
. $this->schema->quoteTableName($table) . ' (' . implode(', ', $cols) . ')';
}
/**
@ -263,7 +353,7 @@ class QueryBuilder extends \yii\base\Component
*/
public function dropIndex($name, $table)
{
return 'DROP INDEX ' . $this->quoteTableName($name) . ' ON ' . $this->quoteTableName($table);
return 'DROP INDEX ' . $this->schema->quoteTableName($name) . ' ON ' . $this->schema->quoteTableName($table);
}
/**
@ -330,6 +420,9 @@ class QueryBuilder extends \yii\base\Component
protected function buildSelect($query)
{
$select = $query->distinct ? 'SELECT DISTINCT' : 'SELECT';
if ($query->selectOption != '') {
$select .= ' ' . $query->selectOption;
}
$columns = $query->select;
if (empty($columns)) {
@ -408,7 +501,7 @@ class QueryBuilder extends \yii\base\Component
}
$joins[$i] = strtoupper($join[0]) . ' ' . $table;
if (isset($join[2])) { // join condition
$condition = $this->processCondition($join[2]);
$condition = $this->buildCondition($join[2]);
$joins[$i] .= ' ON ' . $condition;
}
}
@ -423,7 +516,7 @@ class QueryBuilder extends \yii\base\Component
protected function buildWhere($query)
{
$where = $this->processConditions($query->where);
$where = $this->buildCondition($query->where);
return empty($where) ? '' : 'WHERE ' . $where;
}
@ -453,7 +546,7 @@ class QueryBuilder extends \yii\base\Component
protected function buildHaving($query)
{
$having = $this->processConditions($query->having);
$having = $this->buildCondition($query->having);
return empty($having) ? '' : 'HAVING ' . $having;
}
@ -515,7 +608,7 @@ class QueryBuilder extends \yii\base\Component
return "UNION (\n" . implode("\n) UNION (\n", $unions) . "\n)";
}
protected function processCondition($conditions)
protected function buildCondition($conditions)
{
if (!is_array($conditions)) {
return $conditions;
@ -529,7 +622,7 @@ class QueryBuilder extends \yii\base\Component
if ($operator === 'OR' || $operator === 'AND') {
$parts = array();
for ($i = 1; $i < $n; ++$i) {
$condition = $this->processCondition($conditions[$i]);
$condition = $this->buildCondition($conditions[$i]);
if ($condition !== '') {
$parts[] = '(' . $condition . ')';
}

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