public function build_schema($db_doc, $ofs, $table_depends)
{
// explicitly create the ROLE_APPLICATION
// webservers connect as a user granted this role
$ofs->write("CREATE ROLE " . $db_doc->database->role->application . ";\n");
// schema creation
foreach ($db_doc->schema as $schema) {
$ofs->write(mssql10_schema::get_creation_sql($schema));
// schema grants
if (isset($schema->grant)) {
foreach ($schema->grant as $grant) {
$ofs->write(mssql10_permission::get_sql($db_doc, $schema, $schema, $grant) . "\n");
}
}
}
// types: enumerated list, etc
foreach ($db_doc->schema as $schema) {
foreach ($schema->type as $type) {
$ofs->write(mssql10_type::get_creation_sql($schema, $type) . "\n");
}
}
// function definitions
foreach ($db_doc->schema as $schema) {
foreach ($schema->function as $function) {
if (mssql10_function::has_definition($function)) {
$ofs->write(mssql10_function::get_creation_sql($schema, $function));
}
}
}
$ofs->write("\n");
// table structure creation
foreach ($db_doc->schema as $schema) {
// create defined tables
foreach ($schema->table as $table) {
// table definition
$ofs->write(mssql10_table::get_creation_sql($schema, $table) . "\n");
// table indexes
mssql10_diff_indexes::diff_indexes_table($ofs, NULL, NULL, $schema, $table);
// table grants
if (isset($table->grant)) {
foreach ($table->grant as $grant) {
$ofs->write(mssql10_permission::get_sql($db_doc, $schema, $table, $grant) . "\n");
}
}
$ofs->write("\n");
}
// sequences contained in the schema
if (isset($schema->sequence)) {
foreach ($schema->sequence as $sequence) {
$ofs->write(mssql10_bit_table::get_creation_sql($schema, $sequence) . "\n");
// sequence permission grants
if (isset($sequence->grant)) {
foreach ($sequence->grant as $grant) {
$ofs->write(mssql10_permission::get_sql($db_doc, $schema, $sequence, $grant) . "\n");
}
}
}
}
}
$ofs->write("\n");
// define table primary keys before foreign keys so unique requirements are always met for FOREIGN KEY constraints
foreach ($db_doc->schema as $schema) {
foreach ($schema->table as $table) {
mssql10_diff_tables::diff_constraints_table($ofs, NULL, NULL, $schema, $table, 'primaryKey', FALSE);
}
}
$ofs->write("\n");
// foreign key references
// use the dependency order to specify foreign keys in an order that will satisfy nested foreign keys and etc
for ($i = 0; $i < count($table_depends); $i++) {
$schema = $table_depends[$i]['schema'];
$table = $table_depends[$i]['table'];
if ($table['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) {
// don't do anything with this table, it is a magic internal DBSteward value
continue;
}
mssql10_diff_tables::diff_constraints_table($ofs, NULL, NULL, $schema, $table, 'constraint', FALSE);
}
$ofs->write("\n");
// trigger definitions
foreach ($db_doc->schema as $schema) {
foreach ($schema->trigger as $trigger) {
// only do triggers set to the current sql format
if (strcasecmp($trigger['sqlFormat'], dbsteward::get_sql_format()) == 0) {
$ofs->write(mssql10_trigger::get_creation_sql($schema, $trigger));
}
}
}
$ofs->write("\n");
// view creation
foreach ($db_doc->schema as $schema) {
foreach ($schema->view as $view) {
$ofs->write(mssql10_view::get_creation_sql($schema, $view));
// view permission grants
if (isset($view->grant)) {
foreach ($view->grant as $grant) {
$ofs->write(mssql10_permission::get_sql($db_doc, $schema, $view, $grant) . "\n");
}
}
}
}
$ofs->write("\n");
// @TODO: database configurationParameter support needed ?
}
/**
* Updates objects in schemas.
*
* @param ofs1 stage1 output file segmenter
* @param ofs3 stage3 output file segmenter
* @param $old_database original database
* @param $new_database new database
*/
private static function update_structure($ofs1, $ofs3)
{
$type_modified_columns = array();
// drop all views in all schemas, regardless whether dependency order is known or not
foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) {
$old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']);
$new_schema = dbx::get_schema(dbsteward::$new_database, $new_schema['name']);
mssql10_diff_views::drop_views($ofs1, $old_schema, $new_schema);
}
//@TODO: implement mssql10_language ? no relevant conversion exists see other TODO's stating this
//mssql10_diff_languages::diff_languages($ofs1);
// if the table dependency order is unknown, bang them in natural order
if (!is_array(mssql10_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, $new_schema['name']);
mssql10_diff_types::apply_changes($ofs1, $old_schema, $new_schema, $type_modified_columns);
mssql10_diff_functions::diff_functions($ofs1, $ofs3, $old_schema, $new_schema);
mssql10_diff_sequences::diff_sequences($ofs1, $old_schema, $new_schema);
// remove old constraints before table contraints, so the SQL statements succeed
mssql10_diff_tables::diff_constraints($ofs1, $old_schema, $new_schema, 'constraint', TRUE);
mssql10_diff_tables::diff_constraints($ofs1, $old_schema, $new_schema, 'primaryKey', TRUE);
mssql10_diff_tables::drop_tables($ofs3, $old_schema, $new_schema);
mssql10_diff_tables::diff_tables($ofs1, $ofs3, $old_schema, $new_schema);
mssql10_diff_indexes::diff_indexes($ofs1, $old_schema, $new_schema);
mssql10_diff_tables::diff_clusters($ofs1, $old_schema, $new_schema);
mssql10_diff_tables::diff_constraints($ofs1, $old_schema, $new_schema, 'primaryKey', FALSE);
mssql10_diff_triggers::diff_triggers($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, $new_schema['name']);
mssql10_diff_tables::diff_constraints($ofs1, $old_schema, $new_schema, 'constraint', FALSE);
}
} else {
$processed_schemas = array();
for ($i = 0; $i < count(mssql10_diff::$new_table_dependency); $i++) {
// find the necessary pointers
$item = mssql10_diff::$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']), $processed_schemas)) {
mssql10_diff_types::apply_changes($ofs1, $old_schema, $new_schema, $type_modified_columns);
mssql10_diff_functions::diff_functions($ofs1, $ofs3, $old_schema, $new_schema);
$processed_schemas[] = trim($new_schema['name']);
}
}
// remove all old constraints before new contraints, in reverse dependency order
for ($i = count(mssql10_diff::$old_table_dependency) - 1; $i >= 0; $i--) {
// find the necessary pointers
$item = mssql10_diff::$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 $old_table
// as mssql10_diff_tables::diff_constraints_table() will do rename checking when recreating constraints for renamed tables
mssql10_diff_tables::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'constraint', TRUE);
mssql10_diff_tables::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'primaryKey', TRUE);
}
$processed_schemas = array();
for ($i = 0; $i < count(mssql10_diff::$new_table_dependency); $i++) {
// find the necessary pointers
$item = mssql10_diff::$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'], $processed_schemas)) {
mssql10_diff_sequences::diff_sequences($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, $item['table']['name']);
}
dbx::renamed_table_check_pointer($old_schema, $old_table, $new_schema, $new_table);
mssql10_diff_tables::diff_tables($ofs1, $ofs3, $old_schema, $new_schema, $old_table, $new_table);
mssql10_diff_indexes::diff_indexes_table($ofs1, $old_schema, $old_table, $new_schema, $new_table);
mssql10_diff_tables::diff_clusters_table($ofs1, $old_schema, $old_table, $new_schema, $new_table);
mssql10_diff_tables::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'primaryKey', FALSE);
mssql10_diff_triggers::diff_triggers_table($ofs1, $old_schema, $old_table, $new_schema, $new_table);
mssql10_diff_tables::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'constraint', FALSE);
}
// drop old tables in reverse dependency order
for ($i = count(mssql10_diff::$old_table_dependency) - 1; $i >= 0; $i--) {
// find the necessary pointers
$item = mssql10_diff::$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'] . "." . $item['table']['name'] . " not found. This is not expected as this reverse constraint loop was based on the old_table_dependency list!");
}
mssql10_diff_tables::drop_tables($ofs3, $old_schema, $new_schema, $old_table, $new_table);
}
}
// create all views in all schemas, regardless whether dependency order is known or not
foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) {
$old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']);
$new_schema = dbx::get_schema(dbsteward::$new_database, $new_schema['name']);
mssql10_diff_views::create_views($ofs1, $old_schema, $new_schema);
}
}
/**
* Outputs commands for differences in constraints.
*
* @param object $ofs output file pointer
* @param object $old_schema original schema
* @param object $new_schema new schema
* @param string $type type of constraints to process
* @param boolean $drop_constraints
*/
public static function diff_constraints($ofs, $old_schema, $new_schema, $type, $drop_constraints)
{
foreach (dbx::get_tables($new_schema) as $new_table) {
if ($old_schema == NULL) {
$old_table = NULL;
} else {
$old_table = dbx::get_table($old_schema, $new_table['name']);
}
mssql10_diff_tables::diff_constraints_table($ofs, $old_schema, $old_table, $new_schema, $new_table, $type, $drop_constraints);
}
}
