public static function build_schema($db_doc, $ofs, $table_depends)
{
// schema creation
foreach ($db_doc->schema as $schema) {
$ofs->write(pgsql8_schema::get_creation_sql($schema));
// schema grants
if (isset($schema->grant)) {
foreach ($schema->grant as $grant) {
$ofs->write(pgsql8_permission::get_sql($db_doc, $schema, $schema, $grant) . "\n");
}
}
}
// types: enumerated list, etc
foreach ($db_doc->schema as $schema) {
foreach ($schema->type as $type) {
$ofs->write(pgsql8_type::get_creation_sql($schema, $type) . "\n");
}
}
// table structure creation
foreach ($db_doc->schema as $schema) {
// create defined tables
pgsql8_table::$include_column_default_nextval_in_create_sql = FALSE;
foreach ($schema->table as $table) {
// table definition
$ofs->write(pgsql8_table::get_creation_sql($schema, $table) . "\n");
// table indexes
pgsql8_diff_indexes::diff_indexes_table($ofs, NULL, NULL, $schema, $table);
// table grants
if (isset($table->grant)) {
foreach ($table->grant as $grant) {
$ofs->write(pgsql8_permission::get_sql($db_doc, $schema, $table, $grant) . "\n");
}
}
$ofs->write("\n");
}
pgsql8_table::$include_column_default_nextval_in_create_sql = TRUE;
// sequences contained in the schema
if (isset($schema->sequence)) {
foreach ($schema->sequence as $sequence) {
$ofs->write(pgsql8_sequence::get_creation_sql($schema, $sequence));
// sequence permission grants
if (isset($sequence->grant)) {
foreach ($sequence->grant as $grant) {
$ofs->write(pgsql8_permission::get_sql($db_doc, $schema, $sequence, $grant) . "\n");
}
}
}
}
// add table nextvals that were omitted
foreach ($schema->table as $table) {
if (pgsql8_table::has_default_nextval($table)) {
$ofs->write(pgsql8_table::get_default_nextval_sql($schema, $table) . "\n");
}
}
}
$ofs->write("\n");
// function definitions
foreach ($db_doc->schema as $schema) {
foreach ($schema->function as $function) {
if (pgsql8_function::has_definition($function)) {
$ofs->write(pgsql8_function::get_creation_sql($schema, $function));
// when pg:build_schema() is doing its thing for straight builds, include function permissions
// they are not included in pg_function::get_creation_sql()
foreach (dbx::get_permissions($function) as $function_permission) {
$ofs->write(pgsql8_permission::get_sql($db_doc, $schema, $function, $function_permission) . "\n");
}
}
}
}
$ofs->write("\n");
// maybe move this but here we're defining column defaults fo realz
foreach ($db_doc->schema as $schema) {
foreach ($schema->table as $table) {
$ofs->write(pgsql8_table::define_table_column_defaults($schema, $table));
}
}
// define table primary keys before foreign keys so unique requirements are always met for FOREIGN KEY constraints
foreach ($db_doc->schema as $schema) {
foreach ($schema->table as $table) {
pgsql8_diff_tables::diff_constraints_table($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 ($table['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) {
// don't do anything with this table, it is a magic internal DBSteward value
continue;
}
pgsql8_diff_tables::diff_constraints_table($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) {
$ofs->write(pgsql8_trigger::get_creation_sql($schema, $trigger));
}
}
}
$ofs->write("\n");
pgsql8_diff_views::create_views_ordered($ofs, null, $db_doc);
// view permission grants
foreach ($db_doc->schema as $schema) {
foreach ($schema->view as $view) {
if (isset($view->grant)) {
foreach ($view->grant as $grant) {
$ofs->write(pgsql8_permission::get_sql($db_doc, $schema, $view, $grant) . "\n");
}
}
}
}
$ofs->write("\n");
// use pgdiff to add any configurationParameters that are defined
pgsql8_diff::update_database_config_parameters($ofs, null, $db_doc);
}
/**
* 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);
}
