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add method dropTemporaryTable()

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This commit is contained in:
Uwe Steinmann 2021-09-29 14:53:38 +02:00
parent 8cd08a6f08
commit 1e451529b8
1 changed files with 47 additions and 0 deletions
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47
SeedDMS_Core/Core/inc.DBAccessPDO.php
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@ -661,11 +661,44 @@ class SeedDMS_Core_DatabaseAccess {
return false;
} /* }}} */
/**
* Drop various temporary tables to enforce recreation when needed
*
* @param string $tableName
*
* @return bool
*/
private function __dropTemporaryTable($tableName) { /* {{{ */
$queryStr = '';
if (!strcasecmp($tableName, "ttreviewid")) {
$queryStr = "DROP TABLE IF EXISTS `ttreviewid`";
}
elseif (!strcasecmp($tableName, "ttapproveid")) {
$queryStr = "DROP TABLE IF EXISTS `ttapproveid`";
}
elseif (!strcasecmp($tableName, "ttstatid")) {
$queryStr = "DROP TABLE IF EXISTS `ttstatid`";
}
elseif (!strcasecmp($tableName, "ttcontentid")) {
$queryStr = "DROP TABLE IF EXISTS `ttcontentid`";
}
if($queryStr) {
if (!$this->getResult($queryStr))
return false;
else {
$this->{'_'.$tableName} = false;
return true;
}
}
return false;
} /* }}} */
/**
* Create various views to speed up and simplify sql queries
*
* @param string $tableName
* @param bool $override
*
* @return bool
*/
private function __createView($tableName, $override=false) { /* {{{ */
@ -841,6 +874,20 @@ class SeedDMS_Core_DatabaseAccess {
return $this->__createTemporaryTable($tableName, $override);
} /* }}} */
/**
* Drop various temporary tables to force recreation when next time needed
*
* @param string $tableName
*
* @return bool
*/
public function dropTemporaryTable($tableName) { /* {{{ */
if($this->_useviews)
return true; // No need to recreate a view
else
return $this->__dropTemporaryTable($tableName);
} /* }}} */
/**
* Return sql statement for extracting the date part from a field
* containing a unix timestamp