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- added DibiDataSource::fetch(), fetchAll(), fetchSingle(), fetchPairs() & fetchAssoc()

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This commit is contained in:
David Grudl
2009-02-23 03:55:47 +00:00
parent 60559d9a9f
commit 14b731e002
2 changed files with 212 additions and 139 deletions
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264
dibi/libs/DibiDataSource.php
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@@ -77,103 +77,6 @@ class DibiDataSource extends DibiObject implements IDataSource
/**
* @return DibiResultIterator
*/
public function getIterator()
{
return $this->getResult()->getIterator();
}
/**
* Returns the number of rows in a given data source.
* @return int
*/
public function count()
{
if ($this->count === NULL) {
$this->count = $this->conds || $this->offset || $this->limit
? (int) $this->connection->nativeQuery(
'SELECT COUNT(*) FROM (' . $this->__toString() . ') AS t'
)->fetchSingle()
: $this->getTotalCount();
}
return $this->count;
}
/**
* Returns the number of rows in a given data source.
* @return int
*/
public function getTotalCount()
{
if ($this->totalCount === NULL) {
$this->totalCount = (int) $this->connection->nativeQuery(
'SELECT COUNT(*) FROM ' . $this->sql
)->fetchSingle();
}
return $this->totalCount;
}
/**
* Returns (and queries) DibiResult.
* @return DibiResult
*/
public function getResult()
{
if ($this->result === NULL) {
$this->result = $this->connection->nativeQuery($this->__toString());
}
return $this->result;
}
/**
* Returns this data source wrapped in DibiFluent object.
* @return DibiFluent
*/
public function toFluent()
{
return $this->connection->select('*')->from('(%SQL) AS t', $this->__toString());
}
/**
* Returns this data source wrapped in DibiDataSource object.
* @return DibiDataSource
*/
public function toDataSource()
{
return new self($this->__toString(), $this->connection);
}
/**
* Returns SQL query.
* @return string
*/
final public function __toString()
{
return $this->connection->sql('
SELECT %n', (empty($this->cols) ? '*' : $this->cols), '
FROM %SQL', $this->sql, '
WHERE %and', $this->conds, '
ORDER BY %by', $this->sorting, '
%ofs %lmt', $this->offset, $this->limit
);
}
/**
* Selects columns to query.
* @param string|array column name or array of column names
@@ -256,4 +159,171 @@ class DibiDataSource extends DibiObject implements IDataSource
return $this->connection;
}
/********************* executing ****************d*g**/
/**
* Returns (and queries) DibiResult.
* @return DibiResult
*/
public function getResult()
{
if ($this->result === NULL) {
$this->result = $this->connection->nativeQuery($this->__toString());
}
return $this->result;
}
/**
* @return DibiResultIterator
*/
public function getIterator()
{
return $this->getResult()->getIterator();
}
/**
* Generates, executes SQL query and fetches the single row.
* @return DibiRow|FALSE array on success, FALSE if no next record
*/
public function fetch()
{
return $this->getResult()->fetch();
}
/**
* Like fetch(), but returns only first field.
* @return mixed value on success, FALSE if no next record
*/
public function fetchSingle()
{
return $this->getResult()->fetchSingle();
}
/**
* Fetches all records from table.
* @return array
*/
public function fetchAll()
{
return $this->getResult()->fetchAll();
}
/**
* Fetches all records from table and returns associative tree.
* @param string associative descriptor
* @return array
*/
public function fetchAssoc($assoc)
{
return $this->getResult()->fetchAssoc($assoc);
}
/**
* Fetches all records from table like $key => $value pairs.
* @param string associative key
* @param string value
* @return array
*/
public function fetchPairs($key = NULL, $value = NULL)
{
return $this->getResult()->fetchPairs($key, $value);
}
/********************* exporting ****************d*g**/
/**
* Returns this data source wrapped in DibiFluent object.
* @return DibiFluent
*/
public function toFluent()
{
return $this->connection->select('*')->from('(%SQL) AS t', $this->__toString());
}
/**
* Returns this data source wrapped in DibiDataSource object.
* @return DibiDataSource
*/
public function toDataSource()
{
return new self($this->__toString(), $this->connection);
}
/**
* Returns SQL query.
* @return string
*/
final public function __toString()
{
return $this->connection->sql('
SELECT %n', (empty($this->cols) ? '*' : $this->cols), '
FROM %SQL', $this->sql, '
WHERE %and', $this->conds, '
ORDER BY %by', $this->sorting, '
%ofs %lmt', $this->offset, $this->limit
);
}
/********************* counting ****************d*g**/
/**
* Returns the number of rows in a given data source.
* @return int
*/
public function count()
{
if ($this->count === NULL) {
$this->count = $this->conds || $this->offset || $this->limit
? (int) $this->connection->nativeQuery(
'SELECT COUNT(*) FROM (' . $this->__toString() . ') AS t'
)->fetchSingle()
: $this->getTotalCount();
}
return $this->count;
}
/**
* Returns the number of rows in a given data source.
* @return int
*/
public function getTotalCount()
{
if ($this->totalCount === NULL) {
$this->totalCount = (int) $this->connection->nativeQuery(
'SELECT COUNT(*) FROM ' . $this->sql
)->fetchSingle();
}
return $this->totalCount;
}
}