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Initial commit of rename_table(). Not ended!

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stronk7 2006-09-30 22:40:15 +00:00
parent 8ad2207965
commit a59f3a34f3
4 changed files with 86 additions and 15 deletions
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64
lib/ddllib.php
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@ -527,7 +527,7 @@ function create_table($table, $continue=true, $feedback=true) {
/// Check table doesn't exist
if (table_exists($table)) {
debugging('Table ' . $table->getName() . ' exists. Skipping its creation', DEBUG_DEVELOPER);
debugging('Table ' . $table->getName() . ' exists. Create skipped', DEBUG_DEVELOPER);
return true; //Table exists, nothing to do
}
@ -561,7 +561,7 @@ function drop_table($table, $continue=true, $feedback=true) {
/// Check table exists
if (!table_exists($table)) {
debugging('Table ' . $table->getName() . ' don not exist. Skipping its deletion', DEBUG_DEVELOPER);
debugging('Table ' . $table->getName() . ' do not exist. Delete skipped', DEBUG_DEVELOPER);
return true; //Table don't exist, nothing to do
}
@ -572,6 +572,46 @@ function drop_table($table, $continue=true, $feedback=true) {
return execute_sql_arr($sqlarr, $continue, $feedback);
}
/**
* This function will rename the table passed as argument
* Before renaming the index, the function will check it exists
*
* @uses $CFG, $db
* @param XMLDBTable table object (just the name is mandatory)
* @param string new name of the index
* @param boolean continue to specify if must continue on error (true) or stop (false)
* @param boolean feedback to specify to show status info (true) or not (false)
* @return boolean true on success, false on error
*/
function rename_table($table, $newname, $continue=true, $feedback=true) {
global $CFG, $db;
$status = true;
if (strtolower(get_class($table)) != 'xmldbtable') {
return false;
}
/// Check table exists
if (!table_exists($table)) {
debugging('Table ' . $table->getName() . ' do not exist. Rename skipped', DEBUG_DEVELOPER);
return true; //Table doesn't exist, nothing to do
}
/// Check newname isn't empty
if (!$newname) {
debugging('New name for table ' . $index->getName() . ' is empty! Rename skipped', DEBUG_DEVELOPER);
return true; //Table doesn't exist, nothing to do
}
if(!$sqlarr = $table->getRenameTableSQL($CFG->dbtype, $CFG->prefix, $newname, false)) {
return true; //Empty array = nothing to do = no error
}
return execute_sql_arr($sqlarr, $continue, $feedback);
}
/**
* This function will add the field to the table passed as arguments
*
@ -597,7 +637,7 @@ function add_field($table, $field, $continue=true, $feedback=true) {
/// Check the field doesn't exist
if (field_exists($table, $field)) {
debugging('Field ' . $field->getName() . ' exists. Skipping its creation', DEBUG_DEVELOPER);
debugging('Field ' . $field->getName() . ' exists. Create skipped', DEBUG_DEVELOPER);
return true;
}
@ -633,7 +673,7 @@ function drop_field($table, $field, $continue=true, $feedback=true) {
/// Check the field exists
if (!field_exists($table, $field)) {
debugging('Field ' . $field->getName() . ' do not exist. Skipping its deletion', DEBUG_DEVELOPER);
debugging('Field ' . $field->getName() . ' do not exist. Delete skipped', DEBUG_DEVELOPER);
return true;
}
@ -805,7 +845,7 @@ function add_key($table, $key, $continue=true, $feedback=true) {
return false;
}
if ($key->getType() == XMLDB_KEY_PRIMARY) { // Prevent PRIMARY to be added (only in create table, being serious :-P)
debugging('Primary Keys can be added at table creation time only', DEBUG_DEVELOPER);
debugging('Primary Keys can be added at table create time only', DEBUG_DEVELOPER);
return true;
}
@ -879,7 +919,7 @@ function rename_key($table, $key, $newname, $continue=true, $feedback=true) {
/// Check newname isn't empty
if (!$newname) {
debugging('New name for key ' . $key->getName() . ' is empty! Skipping its renaming', DEBUG_DEVELOPER);
debugging('New name for key ' . $key->getName() . ' is empty! Rename skipped', DEBUG_DEVELOPER);
return true; //Key doesn't exist, nothing to do
}
@ -887,7 +927,7 @@ function rename_key($table, $key, $newname, $continue=true, $feedback=true) {
$key->setName($newname);
if(!$sqlarr = $table->getRenameKeySQL($CFG->dbtype, $CFG->prefix, $key, false)) {
debugging('Some DBs do not support key renaming (MySQL, PostgreSQL, MsSQL). Skipping its renaming', DEBUG_DEVELOPER);
debugging('Some DBs do not support key renaming (MySQL, PostgreSQL, MsSQL). Rename skipped', DEBUG_DEVELOPER);
return true; //Empty array = nothing to do = no error
}
@ -920,7 +960,7 @@ function add_index($table, $index, $continue=true, $feedback=true) {
/// Check index doesn't exist
if (index_exists($table, $index)) {
debugging('Index ' . $index->getName() . ' exists. Skipping its creation', DEBUG_DEVELOPER);
debugging('Index ' . $index->getName() . ' exists. Create skipped', DEBUG_DEVELOPER);
return true; //Index exists, nothing to do
}
@ -957,7 +997,7 @@ function drop_index($table, $index, $continue=true, $feedback=true) {
/// Check index exists
if (!index_exists($table, $index)) {
debugging('Index ' . $index->getName() . ' do not exist. Skipping its deletion', DEBUG_DEVELOPER);
debugging('Index ' . $index->getName() . ' do not exist. Delete skipped', DEBUG_DEVELOPER);
return true; //Index doesn't exist, nothing to do
}
@ -998,13 +1038,13 @@ function rename_index($table, $index, $newname, $continue=true, $feedback=true)
/// Check index exists
if (!index_exists($table, $index)) {
debugging('Index ' . $index->getName() . ' do not exist. Skipping its renaming', DEBUG_DEVELOPER);
debugging('Index ' . $index->getName() . ' do not exist. Rename skipped', DEBUG_DEVELOPER);
return true; //Index doesn't exist, nothing to do
}
/// Check newname isn't empty
if (!$newname) {
debugging('New name for index ' . $index->getName() . ' is empty! Skipping its renaming', DEBUG_DEVELOPER);
debugging('New name for index ' . $index->getName() . ' is empty! Rename skipped', DEBUG_DEVELOPER);
return true; //Index doesn't exist, nothing to do
}
@ -1012,7 +1052,7 @@ function rename_index($table, $index, $newname, $continue=true, $feedback=true)
$index->setName($newname);
if(!$sqlarr = $table->getRenameIndexSQL($CFG->dbtype, $CFG->prefix, $index, false)) {
debugging('Some DBs do not support index renaming (MySQL). Skipping its renaming', DEBUG_DEVELOPER);
debugging('Some DBs do not support index renaming (MySQL). Rename skipped', DEBUG_DEVELOPER);
return true; //Empty array = nothing to do = no error
}