public function exportData($db, $table, $crlf, $error_url, $sql_query, $aliases = array())
{
global $current_row, $sql_backquotes;
// Do not export data for merge tables
if ($GLOBALS['dbi']->getTable($db, $table)->isMerge()) {
return true;
}
$db_alias = $db;
$table_alias = $table;
$this->initAlias($aliases, $db_alias, $table_alias);
if (isset($GLOBALS['sql_compatibility'])) {
$compat = $GLOBALS['sql_compatibility'];
} else {
$compat = 'NONE';
}
$formatted_table_name = Util::backquoteCompat($table_alias, $compat, $sql_backquotes);
// Do not export data for a VIEW, unless asked to export the view as a table
// (For a VIEW, this is called only when exporting a single VIEW)
if ($GLOBALS['dbi']->getTable($db, $table)->isView() && empty($GLOBALS['sql_views_as_tables'])) {
$head = $this->_possibleCRLF() . $this->_exportComment() . $this->_exportComment('VIEW ' . ' ' . $formatted_table_name) . $this->_exportComment(__('Data:') . ' ' . __('None')) . $this->_exportComment() . $this->_possibleCRLF();
if (!PMA_exportOutputHandler($head)) {
return false;
}
return true;
}
$result = $GLOBALS['dbi']->tryQuery($sql_query, null, DatabaseInterface::QUERY_UNBUFFERED);
// a possible error: the table has crashed
$tmp_error = $GLOBALS['dbi']->getError();
if ($tmp_error) {
$message = sprintf(__('Error reading data for table %s:'), "{$db}.{$table}");
$message .= ' ' . $tmp_error;
if (!defined('TESTSUITE')) {
trigger_error($message, E_USER_ERROR);
}
return PMA_exportOutputHandler($this->_exportComment($message));
}
if ($result == false) {
$GLOBALS['dbi']->freeResult($result);
return true;
}
$fields_cnt = $GLOBALS['dbi']->numFields($result);
// Get field information
$fields_meta = $GLOBALS['dbi']->getFieldsMeta($result);
$field_flags = array();
for ($j = 0; $j < $fields_cnt; $j++) {
$field_flags[$j] = $GLOBALS['dbi']->fieldFlags($result, $j);
}
$field_set = array();
for ($j = 0; $j < $fields_cnt; $j++) {
$col_as = $fields_meta[$j]->name;
if (!empty($aliases[$db]['tables'][$table]['columns'][$col_as])) {
$col_as = $aliases[$db]['tables'][$table]['columns'][$col_as];
}
$field_set[$j] = Util::backquoteCompat($col_as, $compat, $sql_backquotes);
}
if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'UPDATE') {
// update
$schema_insert = 'UPDATE ';
if (isset($GLOBALS['sql_ignore'])) {
$schema_insert .= 'IGNORE ';
}
// avoid EOL blank
$schema_insert .= Util::backquoteCompat($table_alias, $compat, $sql_backquotes) . ' SET';
} else {
// insert or replace
if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'REPLACE') {
$sql_command = 'REPLACE';
} else {
$sql_command = 'INSERT';
}
// delayed inserts?
if (isset($GLOBALS['sql_delayed'])) {
$insert_delayed = ' DELAYED';
} else {
$insert_delayed = '';
}
// insert ignore?
if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'INSERT' && isset($GLOBALS['sql_ignore'])) {
$insert_delayed .= ' IGNORE';
}
//truncate table before insert
if (isset($GLOBALS['sql_truncate']) && $GLOBALS['sql_truncate'] && $sql_command == 'INSERT') {
$truncate = 'TRUNCATE TABLE ' . Util::backquoteCompat($table_alias, $compat, $sql_backquotes) . ";";
$truncatehead = $this->_possibleCRLF() . $this->_exportComment() . $this->_exportComment(__('Truncate table before insert') . ' ' . $formatted_table_name) . $this->_exportComment() . $crlf;
PMA_exportOutputHandler($truncatehead);
PMA_exportOutputHandler($truncate);
}
// scheme for inserting fields
if ($GLOBALS['sql_insert_syntax'] == 'complete' || $GLOBALS['sql_insert_syntax'] == 'both') {
$fields = implode(', ', $field_set);
$schema_insert = $sql_command . $insert_delayed . ' INTO ' . Util::backquoteCompat($table_alias, $compat, $sql_backquotes) . ' (' . $fields . ') VALUES';
} else {
$schema_insert = $sql_command . $insert_delayed . ' INTO ' . Util::backquoteCompat($table_alias, $compat, $sql_backquotes) . ' VALUES';
}
}
//\x08\\x09, not required
$current_row = 0;
$query_size = 0;
if (($GLOBALS['sql_insert_syntax'] == 'extended' || $GLOBALS['sql_insert_syntax'] == 'both') && (!isset($GLOBALS['sql_type']) || $GLOBALS['sql_type'] != 'UPDATE')) {
$separator = ',';
$schema_insert .= $crlf;
} else {
$separator = ';';
}
while ($row = $GLOBALS['dbi']->fetchRow($result)) {
if ($current_row == 0) {
$head = $this->_possibleCRLF() . $this->_exportComment() . $this->_exportComment(__('Dumping data for table') . ' ' . $formatted_table_name) . $this->_exportComment() . $crlf;
if (!PMA_exportOutputHandler($head)) {
return false;
}
}
// We need to SET IDENTITY_INSERT ON for MSSQL
if (isset($GLOBALS['sql_compatibility']) && $GLOBALS['sql_compatibility'] == 'MSSQL' && $current_row == 0) {
if (!PMA_exportOutputHandler('SET IDENTITY_INSERT ' . Util::backquoteCompat($table_alias, $compat, $sql_backquotes) . ' ON ;' . $crlf)) {
return false;
}
}
$current_row++;
$values = array();
for ($j = 0; $j < $fields_cnt; $j++) {
// NULL
if (!isset($row[$j]) || is_null($row[$j])) {
$values[] = 'NULL';
} elseif ($fields_meta[$j]->numeric && $fields_meta[$j]->type != 'timestamp' && !$fields_meta[$j]->blob) {
// a number
// timestamp is numeric on some MySQL 4.1, BLOBs are
// sometimes numeric
$values[] = $row[$j];
} elseif (stristr($field_flags[$j], 'BINARY') !== false && isset($GLOBALS['sql_hex_for_binary'])) {
// a true BLOB
// - mysqldump only generates hex data when the --hex-blob
// option is used, for fields having the binary attribute
// no hex is generated
// - a TEXT field returns type blob but a real blob
// returns also the 'binary' flag
// empty blobs need to be different, but '0' is also empty
// :-(
if (empty($row[$j]) && $row[$j] != '0') {
$values[] = '\'\'';
} else {
$values[] = '0x' . bin2hex($row[$j]);
}
} elseif ($fields_meta[$j]->type == 'bit') {
// detection of 'bit' works only on mysqli extension
$values[] = "b'" . $GLOBALS['dbi']->escapeString(Util::printableBitValue($row[$j], $fields_meta[$j]->length)) . "'";
} elseif (!empty($GLOBALS['exporting_metadata']) && $row[$j] == '@LAST_PAGE') {
$values[] = '@LAST_PAGE';
} else {
// something else -> treat as a string
$values[] = '\'' . $GLOBALS['dbi']->escapeString($row[$j]) . '\'';
}
// end if
}
// end for
// should we make update?
if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'UPDATE') {
$insert_line = $schema_insert;
for ($i = 0; $i < $fields_cnt; $i++) {
if (0 == $i) {
$insert_line .= ' ';
}
if ($i > 0) {
// avoid EOL blank
$insert_line .= ',';
}
$insert_line .= $field_set[$i] . ' = ' . $values[$i];
}
list($tmp_unique_condition, $tmp_clause_is_unique) = Util::getUniqueCondition($result, $fields_cnt, $fields_meta, $row, false, false, null);
$insert_line .= ' WHERE ' . $tmp_unique_condition;
unset($tmp_unique_condition, $tmp_clause_is_unique);
} else {
// Extended inserts case
if ($GLOBALS['sql_insert_syntax'] == 'extended' || $GLOBALS['sql_insert_syntax'] == 'both') {
if ($current_row == 1) {
$insert_line = $schema_insert . '(' . implode(', ', $values) . ')';
} else {
$insert_line = '(' . implode(', ', $values) . ')';
$insertLineSize = mb_strlen($insert_line);
$sql_max_size = $GLOBALS['sql_max_query_size'];
if (isset($sql_max_size) && $sql_max_size > 0 && $query_size + $insertLineSize > $sql_max_size) {
if (!PMA_exportOutputHandler(';' . $crlf)) {
return false;
}
$query_size = 0;
$current_row = 1;
$insert_line = $schema_insert . $insert_line;
}
}
$query_size += mb_strlen($insert_line);
// Other inserts case
} else {
$insert_line = $schema_insert . '(' . implode(', ', $values) . ')';
}
}
unset($values);
if (!PMA_exportOutputHandler(($current_row == 1 ? '' : $separator . $crlf) . $insert_line)) {
return false;
}
}
// end while
if ($current_row > 0) {
if (!PMA_exportOutputHandler(';' . $crlf)) {
return false;
}
}
// We need to SET IDENTITY_INSERT OFF for MSSQL
if (isset($GLOBALS['sql_compatibility']) && $GLOBALS['sql_compatibility'] == 'MSSQL' && $current_row > 0) {
$outputSucceeded = PMA_exportOutputHandler($crlf . 'SET IDENTITY_INSERT ' . Util::backquoteCompat($table_alias, $compat, $sql_backquotes) . ' OFF;' . $crlf);
if (!$outputSucceeded) {
return false;
}
}
$GLOBALS['dbi']->freeResult($result);
return true;
}
