public static function get_multiple_create_bits($node_schema, $node_table, $constraints)
{
$bits = array();
foreach ($constraints as $constraint) {
$bits[] = mysql5_constraint::get_constraint_sql($constraint, FALSE);
if (strcasecmp($constraint['type'], 'PRIMARY KEY') == 0) {
// we're adding the PK constraint, so we need to add AUTO_INCREMENT on any affected columns immediately after!
$columns = mysql5_table::primary_key_columns($node_table);
foreach ($columns as $col) {
$node_column = dbx::get_table_column($node_table, $col);
if (mysql5_column::is_auto_increment($node_column['type'])) {
$bits[] = "MODIFY " . mysql5_column::get_full_definition(dbsteward::$new_database, $node_schema, $node_table, $node_column, FALSE, TRUE, TRUE);
break;
// there can only be one AI column per table
}
}
}
}
return $bits;
}
/**
* if in_both = false, what rows in A are not in B ?
*
* if in_both = true, what rows are in A and B ?
* - when a is empty, all of b's are returned
* - a's row members are the ones returned when in_both rows are found
* this is important when comparing tables whose rows are the same but have added columns
*
* @return void
*/
public static function table_data_rows_compare($table_a, $table_b, $in_both, &$a_rows, &$b_rows, &$changes)
{
$a_rows = array();
$b_rows = array();
$changes = array();
$table_a_data_rows = dbx::get_table_rows($table_a);
$table_b_data_rows = dbx::get_table_rows($table_b);
// data_row_overlay_key_search() needs these to do the matching
$table_a_data_rows_columns = preg_split("/[\\,\\s]+/", $table_a_data_rows['columns'], -1, PREG_SPLIT_NO_EMPTY);
$table_b_data_rows_columns = preg_split("/[\\,\\s]+/", $table_b_data_rows['columns'], -1, PREG_SPLIT_NO_EMPTY);
if ($table_a_data_rows == null || $table_a_data_rows_columns == null) {
// table_a has no data rows
if ($in_both) {
// what rows are in A and B? none in A to compare
} else {
// what rows in A are not in B? none to list
}
} else {
if ($table_b_data_rows == null || $table_b_data_rows_columns == null) {
// table_b has no data rows
if ($in_both) {
// what rows are in A and B? none in B to compare
} else {
// what rows in A are not in B? omg, all of them!
$a_rows = $table_a_data_rows->row;
}
} else {
$table_b_primary_keys = mysql5_table::primary_key_columns($table_b);
// @NOTICE: in the case of table row data comparising for DIFFING, the primary keys to use are table B
// but the table B and A columns are reversed compared to data_rows_overlay() as the comparison is B vs A not base vs overlay (AvB)
// so the columns to match as base and overlay are reversed, comared to other calls to data_row_overlay_primary_key_index()
$primary_key_index = xml_parser::data_row_overlay_primary_key_index($table_b_primary_keys, $table_b_data_rows_columns, $table_a_data_rows_columns);
$base_pklookup = array();
$i = 0;
if (count($primary_key_index['base'])) {
foreach ($table_b_data_rows->row as $base_row) {
$s = '';
foreach ($primary_key_index['base'] as $index) {
$s .= ':' . $base_row->col[$index];
}
$base_pklookup[$s] = $i++;
}
}
$table_b_index = 0;
foreach ($table_a_data_rows->row as $table_a_data_row) {
$s = '';
foreach ($primary_key_index['overlay'] as $index) {
$s .= ':' . $table_a_data_row->col[$index];
}
if (array_key_exists($s, $base_pklookup)) {
$match = TRUE;
$table_b_index = $base_pklookup[$s];
} else {
$match = FALSE;
}
if ($match) {
// we found a match
//echo "rows match\n"; var_dump($table_a_data_row); var_dump($table_b_data_row);
$table_b_data_row =& $table_b_data_rows->row[$table_b_index];
if ($in_both) {
// looking for rows in both
// is the row marked for delete in A?
if (self::table_data_row_deleted($table_a_data_row)) {
// don't return changes, we are looking for rows in_both
} else {
if (self::table_data_row_deleted($table_b_data_row)) {
// don't return changes, we are looking for rows in_both
} else {
// do table data row diff, add rows to return by reference rows for both A and B
$changed_columns = array();
static::table_data_row_diff($table_a_data_rows_columns, $table_a_data_row, $table_b_data_rows_columns, $table_b_data_row, $changed_columns);
$a_rows[] = $table_a_data_row;
$b_rows[] = $table_b_data_row;
$changes[] = $changed_columns;
}
}
} else {
// is the A row marked for delete?
if (self::table_data_row_deleted($table_a_data_row)) {
// there was a match, but we are looking for A not in B, A row is marked deleted, don't return it
} else {
if (self::table_data_row_deleted($table_b_data_row)) {
// there was a match
// A is not deleted
// we are looking for A not in B
// B is deleted
$a_rows[] = $table_a_data_row;
}
}
}
} else {
// echo "rows don't match\n"; var_dump($table_a_data_row); var_dump($table_b_data_row);
// no match
if (!$in_both) {
// looking for A not in B
if (self::table_data_row_deleted($table_a_data_row)) {
// but the A row is marked deleted, don't return it
} else {
$a_rows[] = $table_a_data_row;
}
}
}
}
}
}
}
public static function build_data($db_doc, $ofs, $tables)
{
// use the dependency order to then write out the actual data inserts into the data sql file
$limit_to_tables_count = count(dbsteward::$limit_to_tables);
foreach ($tables as $dep_table) {
$schema = $dep_table['schema'];
$table = $dep_table['table'];
if ($table['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) {
// don't do anything with this table, it is a magic internal DBSteward value
continue;
}
if ($limit_to_tables_count > 0) {
if (in_array($schema['name'], array_keys(dbsteward::$limit_to_tables))) {
if (in_array($table['name'], dbsteward::$limit_to_tables[(string) $schema['name']])) {
// table is to be included
} else {
continue;
}
} else {
continue;
}
}
$ofs->write(mysql5_diff_tables::get_data_sql(NULL, NULL, $schema, $table, FALSE));
$table_primary_keys = mysql5_table::primary_key_columns($table);
$table_column_names = dbx::to_array($table->column, 'name');
$node_rows =& dbx::get_table_rows($table);
// the <rows> element
$data_column_names = preg_split("/,|\\s/", $node_rows['columns'], -1, PREG_SPLIT_NO_EMPTY);
// set serial primary keys to the max value after inserts have been performed
// only if the PRIMARY KEY is not a multi column
if (count($table_primary_keys) == 1 && in_array($table_primary_keys[0], $data_column_names)) {
$pk_column_name = $table_primary_keys[0];
$node_pk_column = dbx::get_table_column($table, $pk_column_name);
if ($node_pk_column == NULL) {
throw new exception("Failed to find primary key column '" . $pk_column_name . "' for " . $schema['name'] . "." . $table['name']);
}
// only set the pkey to MAX() if the primary key column is also a serial/bigserial and if serialStart is not defined
if (mysql5_column::is_serial($node_pk_column['type']) && !isset($node_pk_column['serialStart'])) {
$fqtn = mysql5::get_fully_qualified_table_name($schema['name'], $table['name']);
$qcol = mysql5::get_quoted_column_name($pk_column_name);
$setval = mysql5_sequence::get_setval_call(mysql5_column::get_serial_sequence_name($schema, $table, $node_pk_column), "MAX({$qcol})", "TRUE");
$sql = "SELECT {$setval} FROM {$fqtn};\n";
$ofs->write($sql);
}
}
// unlike the pg class, we cannot just set identity column start values here with setval without inserting a row
// check if primary key is a column of this table - FS#17481
if (count(array_diff($table_primary_keys, $table_column_names)) != 0) {
throw new exception('Primary key ' . $table['primaryKey'] . ' does not exist as a column in table ' . $table['name']);
}
}
// include all of the unstaged sql elements
dbx::build_staged_sql($db_doc, $ofs, NULL);
$ofs->write("\n");
}
