本文整理汇总了PHP中DatabaseBase::fieldExists方法的典型用法代码示例。如果您正苦于以下问题：PHP DatabaseBase::fieldExists方法的具体用法？PHP DatabaseBase::fieldExists怎么用？PHP DatabaseBase::fieldExists使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DatabaseBase的用法示例。
在下文中一共展示了DatabaseBase::fieldExists方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: modifyField
/**
* Modify an existing field
*
* @param $table String: name of the table to which the field belongs
* @param $field String: name of the field to modify
* @param $patch String: path to the patch file
* @param $fullpath Boolean: whether to treat $patch path as a relative or not
*/
public function modifyField($table, $field, $patch, $fullpath = false)
{
if (!$this->db->tableExists($table)) {
$this->output("...{$table} table does not exist, skipping modify field patch\n");
} elseif (!$this->db->fieldExists($table, $field)) {
$this->output("...{$field} field does not exist in {$table} table, skipping modify field patch\n");
} else {
$this->output("Modifying {$field} field of table {$table}...");
$this->applyPatch($patch, $fullpath);
$this->output("ok\n");
}
}示例2: doCollationUpdate
/**
* Update CategoryLinks collation
*/
protected function doCollationUpdate()
{
global $wgCategoryCollation;
if ($this->db->fieldExists('categorylinks', 'cl_collation', __METHOD__)) {
if ($this->db->selectField('categorylinks', 'COUNT(*)', 'cl_collation != ' . $this->db->addQuotes($wgCategoryCollation), __METHOD__) == 0) {
$this->output("...collations up-to-date.\n");
return;
}
$this->output("Updating category collations...");
$task = $this->maintenance->runChild('UpdateCollation');
$task->execute();
$this->output("...done.\n");
}
}示例3: modifyField
/**
* Modify an existing field
*
* @param $table String: name of the table to which the field belongs
* @param $field String: name of the field to modify
* @param $patch String: path to the patch file
* @param $fullpath Boolean: whether to treat $patch path as a relative or not
*/
public function modifyField($table, $field, $patch, $fullpath = false)
{
$updateKey = "{$table}-{$field}-{$patch}";
if (!$this->db->tableExists($table, __METHOD__)) {
$this->output("...{$table} table does not exist, skipping modify field patch.\n");
} elseif (!$this->db->fieldExists($table, $field, __METHOD__)) {
$this->output("...{$field} field does not exist in {$table} table, skipping modify field patch.\n");
} elseif ($this->updateRowExists($updateKey)) {
$this->output("...{$field} in table {$table} already modified by patch {$patch}.\n");
} else {
$this->applyPatch($patch, $fullpath, "Modifying {$field} field of table {$table}");
$this->insertUpdateRow($updateKey);
}
}