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Exception handling for SQLite cell caching

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git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@83587 2327b42d-5241-43d6-9e2a-de5ac946f064
This commit is contained in:
Mark Baker 2011-12-03 18:49:27 +00:00
parent bde593557d
commit 91f74c5893
1 changed files with 19 additions and 7 deletions
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26
Classes/PHPExcel/CachedObjectStorage/SQLite.php
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@ -42,7 +42,8 @@ class PHPExcel_CachedObjectStorage_SQLite extends PHPExcel_CachedObjectStorage_C
if ($this->_currentCellIsDirty) {
$this->_currentObject->detach();
$this->_DBHandle->queryExec("INSERT OR REPLACE INTO kvp_".$this->_TableName." VALUES('".$this->_currentObjectID."','".sqlite_escape_string(serialize($this->_currentObject))."')");
if (!$this->_DBHandle->queryExec("INSERT OR REPLACE INTO kvp_".$this->_TableName." VALUES('".$this->_currentObjectID."','".sqlite_escape_string(serialize($this->_currentObject))."')"))
throw new Exception(sqlite_error_string($this->_DBHandle->lastError()));
$this->_currentCellIsDirty = false;
}
$this->_currentObjectID = $this->_currentObject = null;
@ -85,7 +86,9 @@ class PHPExcel_CachedObjectStorage_SQLite extends PHPExcel_CachedObjectStorage_C
$query = "SELECT value FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'";
$cellResultSet = $this->_DBHandle->query($query,SQLITE_ASSOC);
if ($cellResultSet->numRows() == 0) {
if ($cellResultSet === false) {
throw new Exception(sqlite_error_string($this->_DBHandle->lastError()));
} elseif ($cellResultSet->numRows() == 0) {
// Return null if requested entry doesn't exist in cache
return null;
}
@ -117,7 +120,9 @@ class PHPExcel_CachedObjectStorage_SQLite extends PHPExcel_CachedObjectStorage_C
// Check if the requested entry exists in the cache
$query = "SELECT id FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'";
$cellResultSet = $this->_DBHandle->query($query,SQLITE_ASSOC);
if ($cellResultSet->numRows() == 0) {
if ($cellResultSet === false) {
throw new Exception(sqlite_error_string($this->_DBHandle->lastError()));
} elseif ($cellResultSet->numRows() == 0) {
// Return null if requested entry doesn't exist in cache
return false;
}
@ -139,7 +144,8 @@ class PHPExcel_CachedObjectStorage_SQLite extends PHPExcel_CachedObjectStorage_C
// Check if the requested entry exists in the cache
$query = "DELETE FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'";
$this->_DBHandle->queryExec($query);
if (!$this->_DBHandle->queryExec($query))
throw new Exception(sqlite_error_string($this->_DBHandle->lastError()));
$this->_currentCellIsDirty = false;
} // function deleteCacheData()
@ -153,6 +159,8 @@ class PHPExcel_CachedObjectStorage_SQLite extends PHPExcel_CachedObjectStorage_C
public function getCellList() {
$query = "SELECT id FROM kvp_".$this->_TableName;
$cellIdsResult = $this->_DBHandle->unbufferedQuery($query,SQLITE_ASSOC);
if ($cellIdsResult === false)
throw new Exception(sqlite_error_string($this->_DBHandle->lastError()));
$cellKeys = array();
foreach($cellIdsResult as $row) {
@ -171,8 +179,9 @@ class PHPExcel_CachedObjectStorage_SQLite extends PHPExcel_CachedObjectStorage_C
public function copyCellCollection(PHPExcel_Worksheet $parent) {
// Get a new id for the new table name
$tableName = str_replace('.','_',$this->_getUniqueID());
$this->_DBHandle->queryExec('CREATE TABLE kvp_'.$tableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)
AS SELECT * FROM kvp_'.$this->_TableName);
if (!$this->_DBHandle->queryExec('CREATE TABLE kvp_'.$tableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)
AS SELECT * FROM kvp_'.$this->_TableName))
throw new Exception(sqlite_error_string($this->_DBHandle->lastError()));
// Copy the existing cell cache file
$this->_TableName = $tableName;
@ -199,7 +208,10 @@ class PHPExcel_CachedObjectStorage_SQLite extends PHPExcel_CachedObjectStorage_C
$_DBName = ':memory:';
$this->_DBHandle = new SQLiteDatabase($_DBName);
$this->_DBHandle->queryExec('CREATE TABLE kvp_'.$this->_TableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)');
if ($this->_DBHandle === false)
throw new Exception(sqlite_error_string($this->_DBHandle->lastError()));
if (!$this->_DBHandle->queryExec('CREATE TABLE kvp_'.$this->_TableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)'))
throw new Exception(sqlite_error_string($this->_DBHandle->lastError()));
}
} // function __construct()