/**
* Outputs DDL for differences in functions
*
* @param $ofs1 stage1 output pointer
* @param $ofs3 stage3 output pointer
* @param $old_schema original schema
* @param $new_schema new schema
*/
public static function diff_functions($ofs1, $ofs3, $old_schema, $new_schema)
{
// drop functions that no longer exist in stage 3
if ($old_schema != null) {
foreach (dbx::get_functions($old_schema) as $old_function) {
if (!pgsql8_schema::contains_function($new_schema, pgsql8_function::get_declaration($new_schema, $old_function, FALSE))) {
$ofs3->write(pgsql8_function::get_drop_sql($old_schema, $old_function) . "\n");
}
}
}
// Add new functions and replace modified functions
foreach (dbx::get_functions($new_schema) as $new_function) {
$old_function = null;
if ($old_schema != null) {
$old_function = dbx::get_function($old_schema, $new_function['name'], pgsql8_function::get_declaration($new_schema, $new_function));
}
if ($old_function == null || !pgsql8_function::equals($new_schema, $new_function, $old_function, pgsql8_diff::$ignore_function_whitespace)) {
$ofs1->write(pgsql8_function::get_creation_sql($new_schema, $new_function) . "\n");
} else {
if (isset($new_function['forceRedefine']) && strcasecmp($new_function['forceRedefine'], 'true') == 0) {
$ofs1->write("-- DBSteward insists on function recreation: " . $new_schema['name'] . "." . $new_function['name'] . " has forceRedefine set to true\n");
$ofs1->write(pgsql8_function::get_creation_sql($new_schema, $new_function) . "\n");
} else {
if (pgsql8_schema::contains_type($new_schema, $new_function['returns']) && pgsql8_schema::contains_type($old_schema, $new_function['returns']) && !pgsql8_type::equals(dbx::get_type($old_schema, $new_function['returns']), dbx::get_type($new_schema, $new_function['returns']))) {
$ofs1->write("-- Force function re-creation " . $new_function['name'] . " for type: " . $new_function['returns'] . "\n");
$ofs1->write(pgsql8_function::get_creation_sql($new_schema, $new_function) . "\n");
}
}
}
}
}
/**
* Modify sequence values if they have changed
*
* @param $ofs output file pointer
* @param $old_schema original schema
* @param $new_schema new schema
*/
private static function add_modified_sequences($ofs, $old_schema, $new_schema)
{
foreach (dbx::get_sequences($new_schema) as $new_sequence) {
if ($old_schema != null && pgsql8_schema::contains_sequence($old_schema, $new_sequence['name'])) {
$old_sequence = dbx::get_sequence($old_schema, $new_sequence['name']);
$sql = '';
if ($new_sequence['inc'] != null && strcasecmp($new_sequence['inc'], $old_sequence['inc']) != 0) {
$sql .= "\n\tINCREMENT BY " . $new_sequence['inc'];
}
if ($new_sequence['min'] == null && $old_sequence['min'] != null) {
$sql .= "\n\tNO MINVALUE";
} else {
if ($new_sequence['min'] != null && strcasecmp($new_sequence['min'], $old_sequence['min']) != 0) {
$sql .= "\n\tMINVALUE " . $new_sequence['min'];
}
}
if ($new_sequence['max'] == null && $old_sequence['max'] != null) {
$sql .= "\n\tNO MAXVALUE";
} else {
if ($new_sequence['max'] != null && strcasecmp($new_sequence['max'], $old_sequence['max']) != 0) {
$sql .= "\n\tMAXVALUE " . $new_sequence['max'];
}
}
if (!pgsql8_diff::$ignore_start_with) {
if ($new_sequence['start'] != null && strcasecmp($new_sequence['start'], $old_sequence['start']) != 0) {
$sql .= "\n\tRESTART WITH " . $new_sequence['start'];
}
}
if ($new_sequence['cache'] != null && strcasecmp($new_sequence['cache'], $old_sequence['cache']) != 0) {
$sql .= "\n\tCACHE " . $new_sequence['cache'];
}
if ($old_sequence['cycle'] && !$new_sequence['cycle']) {
$sql .= "\n\tNO CYCLE";
} else {
if (!$old_sequence['cycle'] && $new_sequence['cycle']) {
$sql .= "\n\tCYCLE";
}
}
if (strlen($sql) > 0) {
$ofs->write("ALTER SEQUENCE " . pgsql8::get_quoted_schema_name($new_schema['name']) . '.' . pgsql8::get_quoted_object_name($new_sequence['name']) . $sql . ";\n");
}
}
}
}
public static function build_schema($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);
}
/**
* Outputs commands for dropping types.
*
* @param $ofs output file pointer
* @param $old_schema original schema
* @param $new_schema new schema
*/
private static function drop_types($ofs, $old_schema, $new_schema)
{
if ($old_schema != NULL) {
foreach (dbx::get_types($old_schema) as $type) {
if (!pgsql8_schema::contains_type($new_schema, $type['name'])) {
pgsql8::set_context_replica_set_id($type);
$ofs->write(pgsql8_type::get_drop_sql($new_schema, $type) . "\n");
}
}
}
}
public static function diff_data($ofs, $old_schema, $new_schema)
{
foreach (dbx::get_tables($new_schema) as $new_table) {
$old_table = null;
// if the table was renamed, get old definition pointers, diff that
if (pgsql8_diff_tables::is_renamed_table($new_schema, $new_table)) {
$renamed_table_old_schema = pgsql8_table::get_old_table_schema($new_schema, $new_table);
$renamed_table_old_table = pgsql8_table::get_old_table($new_schema, $new_table);
$ofs->write(self::get_data_sql($renamed_table_old_schema, $renamed_table_old_table, $new_schema, $new_table));
} else {
// does the old contain the new?
if ($old_schema != null && pgsql8_schema::contains_table($old_schema, $new_table['name'])) {
$old_table = dbx::get_table($old_schema, $new_table['name']);
}
$ofs->write(self::get_data_sql($old_schema, $old_table, $new_schema, $new_table));
}
}
}
