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Now using ADOdb standard transactions. Some day, we should switch to

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Smart Transactions (http://phplens.com/adodb/tutorial.smart.transactions.html)
as they autodetect errors and are nestable and easier to write
This commit is contained in:
stronk7
2006-09-22 20:05:44 +00:00
parent a17c57b5e3
commit 2a2905fb6f
1 changed files with 35 additions and 24 deletions
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lib/dmllib.php
+35 -24
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@@ -86,34 +86,57 @@ function execute_sql($command, $feedback=true) {
return false;
}
}
/**
* on DBs that support it, switch to transaction mode and begin a transaction
* you'll need to ensure you call commit_sql() or your changes *will* be lost
* you'll need to ensure you call commit_sql() or your changes *will* be lost.
*
* Now using ADOdb standard transactions. Some day, we should switch to
* Smart Transactions (http://phplens.com/adodb/tutorial.smart.transactions.html)
* as they autodetect errors and are nestable and easier to write
*
* this is _very_ useful for massive updates
*/
function begin_sql() {
/// Completely general function - it just runs some SQL and reports success.
global $CFG;
if ($CFG->dbtype === 'postgres7') {
return execute_sql('BEGIN', false);
}
global $db;
$db->BeginTrans();
return true;
}
/**
* on DBs that support it, commit the transaction
*
* Now using ADOdb standard transactions. Some day, we should switch to
* Smart Transactions (http://phplens.com/adodb/tutorial.smart.transactions.html)
* as they autodetect errors and are nestable and easier to write
*/
function rollback_sql() {
/// Completely general function - it just runs some SQL and reports success.
function commit_sql() {
global $db;
$db->CommitTrans();
global $CFG;
if ($CFG->dbtype === 'postgres7') {
return execute_sql('ROLLBACK', false);
}
return true;
}
/**
* on DBs that support it, rollback the transaction
*
* Now using ADOdb standard transactions. Some day, we should switch to
* Smart Transactions (http://phplens.com/adodb/tutorial.smart.transactions.html)
* as they autodetect errors and are nestable and easier to write
*/
function rollback_sql() {
global $db;
$db->RollbackTrans();
return true;
}
/**
* returns db specific uppercase function
@@ -131,18 +154,6 @@ function db_lowercase() {
return "lower";
}
/**
* on DBs that support it, commit the transaction
*/
function commit_sql() {
/// Completely general function - it just runs some SQL and reports success.
global $CFG;
if ($CFG->dbtype === 'postgres7') {
return execute_sql('COMMIT', false);
}
return true;
}
/**
* Run an arbitrary sequence of semicolon-delimited SQL commands