public static function diff_tables($ofs1, $ofs3, $old_schema, $new_schema, $old_table_target = null, $new_table_target = null)
{
static::create_tables($ofs1, $old_schema, $new_schema, $old_table_target, $new_table_target);
// were specific tables passed?
if ($old_table_target !== null || $new_table_target !== null) {
$old_table = $old_table_target;
$new_table = $new_table_target;
if ($old_table && $new_table) {
static::update_table_options($ofs1, $ofs3, $old_schema, $old_table, $new_schema, $new_table);
static::update_table_columns($ofs1, $ofs3, $old_schema, $old_table, $new_schema, $new_table);
static::update_table_partitions($ofs1, $ofs3, $old_schema, $old_table, $new_schema, $new_table);
}
} else {
foreach (dbx::get_tables($new_schema) as $new_table) {
if (!$old_schema) {
// old_schema not defined
continue;
}
$old_table = dbx::get_table($old_schema, $new_table['name']);
dbx::renamed_table_check_pointer($old_schema, $old_table, $new_schema, $new_table);
if (!$old_table) {
// old_table not defined
continue;
}
static::update_table_options($ofs1, $ofs3, $old_schema, $old_table, $new_schema, $new_table);
static::update_table_columns($ofs1, $ofs3, $old_schema, $old_table, $new_schema, $new_table);
static::update_table_partitions($ofs1, $ofs3, $old_schema, $old_table, $new_schema, $new_table);
}
}
}
/**
* Updates objects in schemas.
*
* @param $ofs1 stage1 output file segmenter
* @param $ofs3 stage3 output file segmenter
*/
public static function update_structure($ofs1, $ofs3)
{
if (!mysql5::$use_schema_name_prefix) {
if (count(dbsteward::$new_database->schema) > 1) {
throw new Exception("You cannot use more than one schema in mysql5 without schema name prefixing\nPass the --useschemaprefix flag to turn this on");
}
if (count(dbsteward::$old_database->schema) > 1) {
throw new Exception("You cannot use more than one schema in mysql5 without schema name prefixing\nPass the --useschemaprefix flag to turn this on");
}
} else {
dbsteward::info("Drop Old Schemas");
self::drop_old_schemas($ofs3);
}
mysql5_diff_views::drop_views_ordered($ofs1, dbsteward::$old_database, dbsteward::$new_database);
//@TODO: implement mysql5_language ? no relevant conversion exists see other TODO's stating this
//mysql5_diff_languages::diff_languages($ofs1);
// if the table dependency order is unknown, bang them in natural order
if (!is_array(mysql5_diff::$new_table_dependency)) {
foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) {
//@NOTICE: @TODO: this does not honor old*Name attributes, does it matter?
$old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']);
mysql5_diff_types::apply_changes($ofs1, $old_schema, $new_schema);
mysql5_diff_functions::diff_functions($ofs1, $ofs3, $old_schema, $new_schema);
mysql5_diff_sequences::diff_sequences($ofs1, $ofs3, $old_schema, $new_schema);
// remove old constraints before table contraints, so the SQL statements succeed
mysql5_diff_constraints::diff_constraints($ofs1, $old_schema, $new_schema, 'constraint', TRUE);
mysql5_diff_constraints::diff_constraints($ofs1, $old_schema, $new_schema, 'primaryKey', TRUE);
mysql5_diff_tables::drop_tables($ofs3, $old_schema, $new_schema);
mysql5_diff_tables::diff_tables($ofs1, $ofs3, $old_schema, $new_schema);
// mysql5_diff_indexes::diff_indexes($ofs1, $old_schema, $new_schema);
mysql5_diff_constraints::diff_constraints($ofs1, $old_schema, $new_schema, 'primaryKey', FALSE);
mysql5_diff_triggers::diff_triggers($ofs1, $old_schema, $new_schema);
}
// non-primary key constraints may be inter-schema dependant, and dependant on other's primary keys
// and therefore should be done after object creation sections
foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) {
$old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']);
mysql5_diff_constraints::diff_constraints($ofs1, $old_schema, $new_schema, 'constraint', FALSE);
}
} else {
$processed_schemas = array();
for ($i = 0; $i < count(mysql5_diff::$new_table_dependency); $i++) {
// find the necessary pointers
$item = mysql5_diff::$new_table_dependency[$i];
// @NOTICE: dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME is NOT checked here because these are schema operations
$new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']);
$old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']);
// do all types and functions on their own before table creation
// see next loop for other once per schema work
if (!in_array(trim($new_schema['name']), $processed_schemas)) {
mysql5_diff_types::apply_changes($ofs1, $old_schema, $new_schema);
mysql5_diff_functions::diff_functions($ofs1, $ofs3, $old_schema, $new_schema);
$processed_schemas[] = trim($new_schema['name']);
}
}
// remove all old constraints before new contraints, in reverse dependency order
for ($i = count(mysql5_diff::$old_table_dependency) - 1; $i >= 0; $i--) {
// find the necessary pointers
$item = mysql5_diff::$old_table_dependency[$i];
if ($item['table']['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) {
// don't do anything with this table, it is a magic internal DBSteward value
continue;
}
$new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']);
$new_table = NULL;
if ($new_schema != NULL) {
$new_table = dbx::get_table($new_schema, $item['table']['name']);
}
$old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']);
$old_table = NULL;
if ($old_schema != NULL) {
$old_table = dbx::get_table($old_schema, $item['table']['name']);
}
if ($old_table == NULL) {
throw new exception("old_table " . $item['schema']['name'] . "." . $item['table']['name'] . " not found. This is not expected as this reverse constraint loop was based on the old_table_dependency list!");
}
// @NOTICE: when dropping constraints, dbx::renamed_table_check_pointer() is not called for $old_table
// as mysql5_diff_tables::diff_constraints_table() will do rename checking when recreating constraints for renamed tables
mysql5_diff_constraints::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'constraint', TRUE);
mysql5_diff_constraints::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'primaryKey', TRUE);
}
$processed_schemas = array();
for ($i = 0; $i < count(mysql5_diff::$new_table_dependency); $i++) {
// find the necessary pointers
$item = mysql5_diff::$new_table_dependency[$i];
$new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']);
$new_table = NULL;
if ($new_schema != NULL) {
$new_table = dbx::get_table($new_schema, $item['table']['name']);
}
$old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']);
// schema level stuff should only be done once, keep track of which ones we have done
// see above for pre table creation stuff
// see below for post table creation stuff
if (!in_array($new_schema['name'], $processed_schemas)) {
mysql5_diff_sequences::diff_sequences($ofs1, $ofs3, $old_schema, $new_schema);
$processed_schemas[] = $new_schema['name'];
}
if ($item['table']['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) {
// don't do anything with this table, it is a magic internal DBSteward value
continue;
}
$old_table = NULL;
if ($old_schema != NULL) {
$old_table = dbx::get_table($old_schema, $item['table']['name']);
}
dbx::renamed_table_check_pointer($old_schema, $old_table, $new_schema, $new_table);
mysql5_diff_tables::diff_tables($ofs1, $ofs3, $old_schema, $new_schema, $old_table, $new_table);
// mysql5_diff_indexes::diff_indexes_table($ofs1, $old_schema, $old_table, $new_schema, $new_table);
mysql5_diff_constraints::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'primaryKey', FALSE);
mysql5_diff_triggers::diff_triggers_table($ofs1, $old_schema, $old_table, $new_schema, $new_table);
mysql5_diff_constraints::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'constraint', FALSE);
}
// drop old tables in reverse dependency order
for ($i = count(mysql5_diff::$old_table_dependency) - 1; $i >= 0; $i--) {
// find the necessary pointers
$item = mysql5_diff::$old_table_dependency[$i];
if ($item['table']['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) {
// don't do anything with this table, it is a magic internal DBSteward value
continue;
}
$new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']);
$new_table = NULL;
if ($new_schema != NULL) {
$new_table = dbx::get_table($new_schema, $item['table']['name']);
}
$old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']);
$old_table = NULL;
if ($old_schema != NULL) {
$old_table = dbx::get_table($old_schema, $item['table']['name']);
}
if ($old_table == NULL) {
throw new exception("old_table " . $item['schema']['name'] . "." . $item['table']['name'] . " not found. This is not expected as this reverse constraint loop was based on the old_table_dependency list!");
}
mysql5_diff_tables::drop_tables($ofs3, $old_schema, $new_schema, $old_table, $new_table);
}
}
mysql5_diff_views::create_views_ordered($ofs3, dbsteward::$old_database, dbsteward::$new_database);
}
/**
* Updates objects in schemas.
*
* @param $ofs1 stage1 output file segmenter
* @param $ofs3 stage3 output file segmenter
*/
public static function update_structure($ofs1, $ofs3)
{
$type_modified_columns = array();
pgsql8_diff_languages::diff_languages($ofs1);
// drop all views in all schemas, regardless whether dependency order is known or not
pgsql8_diff_views::drop_views_ordered($ofs1, dbsteward::$old_database, dbsteward::$new_database);
// if the table dependency order is unknown, bang them in natural order
if (!is_array(self::$new_table_dependency)) {
foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) {
pgsql8::set_context_replica_set_id($new_schema);
//@NOTICE: @TODO: this does not honor old*Name attributes, does it matter?
$old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']);
pgsql8_diff_types::apply_changes($ofs1, $old_schema, $new_schema, $type_modified_columns);
pgsql8_diff_functions::diff_functions($ofs1, $ofs3, $old_schema, $new_schema);
pgsql8_diff_sequences::diff_sequences($ofs1, $old_schema, $new_schema);
// remove old constraints before table contraints, so the SQL statements succeed
pgsql8_diff_tables::diff_constraints($ofs1, $old_schema, $new_schema, 'constraint', true);
pgsql8_diff_tables::diff_constraints($ofs1, $old_schema, $new_schema, 'primaryKey', true);
pgsql8_diff_tables::drop_tables($ofs3, $old_schema, $new_schema);
pgsql8_diff_tables::diff_tables($ofs1, $ofs3, $old_schema, $new_schema);
pgsql8_diff_indexes::diff_indexes($ofs1, $old_schema, $new_schema);
pgsql8_diff_tables::diff_clusters($ofs1, $old_schema, $new_schema);
pgsql8_diff_tables::diff_constraints($ofs1, $old_schema, $new_schema, 'primaryKey', false);
pgsql8_diff_triggers::diff_triggers($ofs1, $old_schema, $new_schema);
}
// non-primary key constraints may be inter-schema dependant, and dependant on other's primary keys
// and therefore should be done after object creation sections
foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) {
pgsql8::set_context_replica_set_id($new_schema);
$old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']);
pgsql8_diff_tables::diff_constraints($ofs1, $old_schema, $new_schema, 'constraint', false);
}
} else {
// use table dependency order to do structural changes in an intelligent order
$processed_schemas = array();
for ($i = 0; $i < count(self::$new_table_dependency); $i++) {
// find the necessary pointers
$item = self::$new_table_dependency[$i];
// @NOTICE: dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME is NOT checked here because these are schema operations
$new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']);
$old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']);
pgsql8::set_context_replica_set_id($new_schema);
// do all types and functions on their own before table creation
// see next loop for other once per schema work
if (!in_array(trim($new_schema['name']), $processed_schemas)) {
pgsql8::set_context_replica_set_id($new_schema);
pgsql8_diff_types::apply_changes($ofs1, $old_schema, $new_schema, $type_modified_columns);
pgsql8_diff_functions::diff_functions($ofs1, $ofs3, $old_schema, $new_schema);
$processed_schemas[] = trim($new_schema['name']);
}
}
// remove all old constraints before new contraints, in reverse dependency order
for ($i = count(self::$old_table_dependency) - 1; $i >= 0; $i--) {
// find the necessary pointers
$item = self::$old_table_dependency[$i];
if ($item['table']['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) {
// don't do anything with this table, it is a magic internal DBSteward value
continue;
}
$new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']);
$new_table = null;
if ($new_schema != null) {
pgsql8::set_context_replica_set_id($new_schema);
$new_table = dbx::get_table($new_schema, $item['table']['name']);
}
$old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']);
$old_table = null;
if ($old_schema != null) {
$old_table = dbx::get_table($old_schema, $item['table']['name']);
}
if ($old_table == null) {
throw new exception("old_table " . $item['schema']['name'] . "." . $item['table']['name'] . " not found. This is not expected as this reverse constraint loop was based on the old_table_dependency list!");
}
// @NOTICE: when dropping constraints, dbx::renamed_table_check_pointer() is not called for $old_table
// as pgsql8_diff_tables::diff_constraints_table() will do rename checking when recreating constraints for renamed tables
pgsql8_diff_tables::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'constraint', true);
pgsql8_diff_tables::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'primaryKey', true);
}
$processed_schemas = array();
for ($i = 0; $i < count(self::$new_table_dependency); $i++) {
// find the necessary pointers
$item = self::$new_table_dependency[$i];
$new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']);
$new_table = null;
if ($new_schema != null) {
pgsql8::set_context_replica_set_id($new_schema);
$new_table = dbx::get_table($new_schema, $item['table']['name']);
}
$old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']);
// schema level stuff should only be done once, keep track of which ones we have done
// see above for pre table creation stuff
// see below for post table creation stuff
if (!in_array($new_schema['name'], $processed_schemas)) {
pgsql8_diff_sequences::diff_sequences($ofs1, $old_schema, $new_schema);
$processed_schemas[] = $new_schema['name'];
}
if ($item['table']['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) {
// don't do anything with this table, it is a magic internal DBSteward value
continue;
}
$old_table = null;
if ($old_schema != null) {
$old_table = dbx::get_table($old_schema, $item['table']['name']);
}
// if they are defined in the old definition,
// old_schema and old_table are already established pointers
// when a table has an oldTableName oldSchemaName specified,
// dbx::renamed_table_check_pointer() will modify these pointers to be the old table
dbx::renamed_table_check_pointer($old_schema, $old_table, $new_schema, $new_table);
if ($old_table) {
if (!$old_schema) {
// nkiraly: is this still happening when dbx::renamed_table_check_pointer() changes the $old_table pointer?
throw new exception("old_table '" . $old_table['name'] . "' error: old_table is defined but old_schema is not - this cannot be for differs to diff");
}
}
pgsql8_diff_tables::diff_tables($ofs1, $ofs3, $old_schema, $new_schema, $old_table, $new_table);
pgsql8_diff_indexes::diff_indexes_table($ofs1, $old_schema, $old_table, $new_schema, $new_table);
pgsql8_diff_tables::diff_clusters_table($ofs1, $old_schema, $old_table, $new_schema, $new_table);
pgsql8_diff_tables::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'primaryKey', false);
pgsql8_diff_triggers::diff_triggers_table($ofs1, $old_schema, $old_table, $new_schema, $new_table);
pgsql8_diff_tables::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'constraint', false);
}
// drop old tables in reverse dependency order
for ($i = count(self::$old_table_dependency) - 1; $i >= 0; $i--) {
// find the necessary pointers
$item = self::$old_table_dependency[$i];
if ($item['table']['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) {
// don't do anything with this table, it is a magic internal DBSteward value
continue;
}
$new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']);
$new_table = null;
if ($new_schema != null) {
$new_table = dbx::get_table($new_schema, $item['table']['name']);
}
$old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']);
$old_table = null;
if ($old_schema != null) {
$old_table = dbx::get_table($old_schema, $item['table']['name']);
}
if ($old_table == null) {
throw new exception("old_table " . $item['schema']['name'] . "." . $item['table']['name'] . " not found. This is not expected as this reverse constraint loop was based on the old_table_dependency list!");
}
pgsql8_diff_tables::drop_tables($ofs3, $old_schema, $new_schema, $old_table, $new_table);
}
}
pgsql8_diff_views::create_views_ordered($ofs3, dbsteward::$old_database, dbsteward::$new_database);
}
