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MDL-18577 drop enums support - step1: transforming all enums to nomal varchar + prevent creation of new ones

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This commit is contained in:
stronk7
2009-04-27 20:29:01 +00:00
parent b3d965212e
commit e37cd84ad4
14 changed files with 111 additions and 19 deletions
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lib/ddl/database_manager.php
+22 -5
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@@ -468,6 +468,14 @@ class database_manager {
throw new ddl_exception('ddltablealreadyexists', $xmldb_table->getName());
}
/// Iterate over all fields in table, finding any attempt to add one field with enum info, throw exception
$xmldb_fields = $xmldb_table->getFields();
foreach ($xmldb_fields as $xmldb_field) {
if ($xmldb_field->getEnum()) {
throw new ddl_exception('ddlunsupportedenums', $xmldb_table->getName() . '->' . $xmldb_field->getName());
}
}
if (!$sqlarr = $this->generator->getCreateTableSQL($xmldb_table)) {
throw new ddl_exception('ddlunknownerror', null, 'table create sql not generated');
}
@@ -493,6 +501,14 @@ class database_manager {
$this->drop_temp_table($xmldb_table);
}
/// Iterate over all fields in table, finding any attempt to add one field with enum info, throw exception
$xmldb_fields = $xmldb_table->getFields();
foreach ($xmldb_fields as $xmldb_field) {
if ($xmldb_field->getEnum()) {
throw new ddl_exception('ddlunsupportedenums', $xmldb_table->getName() . '->' . $xmldb_field->getName());
}
}
if (!$sqlarr = $this->generator->getCreateTempTableSQL($xmldb_table)) {
throw new ddl_exception('ddlunknownerror', null, 'temp table create sql not generated');
}
@@ -583,6 +599,11 @@ class database_manager {
' cannot be added. Not null fields added to non empty tables require default value. Create skipped');
}
/// Detect any attempt to add one field with enum info, throw exception
if ($xmldb_field->getEnum()) {
throw new ddl_exception('ddlunsupportedenums', $xmldb_table->getName() . '->' . $xmldb_field->getName());
}
if (!$sqlarr = $this->generator->getAddFieldSQL($xmldb_table, $xmldb_field)) {
throw new ddl_exception('ddlunknownerror', null, 'addfield sql not generated');
}
@@ -689,11 +710,7 @@ class database_manager {
/// If enum is defined, we're going to create it, check it doesn't exist.
if ($xmldb_field->getEnum()) {
if ($this->check_constraint_exists($xmldb_table, $xmldb_field)) {
debugging('Enum for ' . $xmldb_table->getName() . '->' . $xmldb_field->getName() .
' already exists. Create skipped', DEBUG_DEVELOPER);
return; //Enum exists, nothing to do
}
throw new ddl_exception('ddlunsupportedenums', $xmldb_table->getName() . '->' . $xmldb_field->getName());
} else { /// Else, we're going to drop it, check it exists
if (!$this->check_constraint_exists($xmldb_table, $xmldb_field)) {
debugging('Enum for ' . $xmldb_table->getName() . '->' . $xmldb_field->getName() .