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Exception handling for SQLite3 cell caching 

git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@83592 2327b42d-5241-43d6-9e2a-de5ac946f064
This commit is contained in:
Mark Baker 2011-12-03 20:16:57 +00:00
parent 91f74c5893
commit c345c0e8ca
1 changed files with 21 additions and 7 deletions
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28
Classes/PHPExcel/CachedObjectStorage/SQLite3.php
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@ -45,7 +45,9 @@ class PHPExcel_CachedObjectStorage_SQLite3 extends PHPExcel_CachedObjectStorage_
$query = $this->_DBHandle->prepare("INSERT OR REPLACE INTO kvp_".$this->_TableName." VALUES(:id,:data)");
$query->bindValue('id',$this->_currentObjectID,SQLITE3_TEXT);
$query->bindValue('data',serialize($this->_currentObject),SQLITE3_BLOB);
$query->execute();
$result = $query->execute();
if ($result === false)
throw new Exception($this->_DBHandle->lastErrorMsg());
$this->_currentCellIsDirty = false;
}
$this->_currentObjectID = $this->_currentObject = null;
@ -88,7 +90,9 @@ class PHPExcel_CachedObjectStorage_SQLite3 extends PHPExcel_CachedObjectStorage_
$query = "SELECT value FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'";
$cellResult = $this->_DBHandle->querySingle($query);
if (is_null($cellResult)) {
if ($cellResult === false) {
throw new Exception($this->_DBHandle->lastErrorMsg());
} elseif (is_null($cellResult)) {
// Return null if requested entry doesn't exist in cache
return null;
}
@ -119,7 +123,9 @@ class PHPExcel_CachedObjectStorage_SQLite3 extends PHPExcel_CachedObjectStorage_
// Check if the requested entry exists in the cache
$query = "SELECT id FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'";
$cellResult = $this->_DBHandle->querySingle($query);
if (is_null($cellResult)) {
if ($cellResult === false) {
throw new Exception($this->_DBHandle->lastErrorMsg());
} elseif (is_null($cellResult)) {
// Return null if requested entry doesn't exist in cache
return false;
}
@ -141,7 +147,9 @@ class PHPExcel_CachedObjectStorage_SQLite3 extends PHPExcel_CachedObjectStorage_
// Check if the requested entry exists in the cache
$query = "DELETE FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'";
$this->_DBHandle->exec($query);
$result = $this->_DBHandle->exec($query);
if ($result === false)
throw new Exception($this->_DBHandle->lastErrorMsg());
$this->_currentCellIsDirty = false;
} // function deleteCacheData()
@ -155,6 +163,8 @@ class PHPExcel_CachedObjectStorage_SQLite3 extends PHPExcel_CachedObjectStorage_
public function getCellList() {
$query = "SELECT id FROM kvp_".$this->_TableName;
$cellIdsResult = $this->_DBHandle->query($query);
if ($cellIdsResult === false)
throw new Exception($this->_DBHandle->lastErrorMsg());
$cellKeys = array();
while ($row = $cellIdsResult->fetchArray(SQLITE3_ASSOC)) {
@ -173,8 +183,9 @@ class PHPExcel_CachedObjectStorage_SQLite3 extends PHPExcel_CachedObjectStorage_
public function copyCellCollection(PHPExcel_Worksheet $parent) {
// Get a new id for the new table name
$tableName = str_replace('.','_',$this->_getUniqueID());
$this->_DBHandle->exec('CREATE TABLE kvp_'.$tableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)
AS SELECT * FROM kvp_'.$this->_TableName);
if (!$this->_DBHandle->exec('CREATE TABLE kvp_'.$tableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)
AS SELECT * FROM kvp_'.$this->_TableName))
throw new Exception($this->_DBHandle->lastErrorMsg());
// Copy the existing cell cache file
$this->_TableName = $tableName;
@ -201,7 +212,10 @@ class PHPExcel_CachedObjectStorage_SQLite3 extends PHPExcel_CachedObjectStorage_
$_DBName = ':memory:';
$this->_DBHandle = new SQLite3($_DBName);
$this->_DBHandle->exec('CREATE TABLE kvp_'.$this->_TableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)');
if ($this->_DBHandle === false)
throw new Exception($this->_DBHandle->lastErrorMsg());
if (!$this->_DBHandle->exec('CREATE TABLE kvp_'.$this->_TableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)'))
throw new Exception($this->_DBHandle->lastErrorMsg());
}
} // function __construct()