/**
* Dispatches between the versions of 'getTableContent' to use depending
* on the php version
*
* @param string the database name
* @param string the table name
* @param string the end of line sequence
* @param string the url to go back in case of error
* @param string SQL query for obtaining data
*
* @return bool Whether it suceeded
*
* @global boolean whether to use backquotes to allow the use of special
* characters in database, table and fields names or not
* @global integer the number of records
* @global integer the current record position
*
* @access public
*
* @see PMA_getTableContentFast(), PMA_getTableContentOld()
*
* @author staybyte
*/
function PMA_exportData($db, $table, $crlf, $error_url, $sql_query)
{
global $sql_backquotes;
global $rows_cnt;
global $current_row;
$formatted_table_name = isset($GLOBALS['sql_backquotes']) ? PMA_backquote($table) : '\'' . $table . '\'';
// Do not export data for a VIEW
// (For a VIEW, this is called only when exporting a single VIEW)
if (PMA_Table::_isView($db, $table)) {
$head = $crlf . PMA_exportComment() . PMA_exportComment('VIEW ' . ' ' . $formatted_table_name) . PMA_exportComment($GLOBALS['strData'] . ': ' . $GLOBALS['strNone']) . PMA_exportComment() . $crlf;
if (!PMA_exportOutputHandler($head)) {
return FALSE;
}
return true;
}
// it's not a VIEW
$head = $crlf . PMA_exportComment() . PMA_exportComment($GLOBALS['strDumpingData'] . ' ' . $formatted_table_name) . PMA_exportComment() . $crlf;
if (!PMA_exportOutputHandler($head)) {
return FALSE;
}
$buffer = '';
// analyze the query to get the true column names, not the aliases
// (this fixes an undefined index, also if Complete inserts
// are used, we did not get the true column name in case of aliases)
$analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($sql_query));
$result = PMA_DBI_query($sql_query, null, PMA_DBI_QUERY_UNBUFFERED);
if ($result != FALSE) {
$fields_cnt = PMA_DBI_num_fields($result);
// Get field information
$fields_meta = PMA_DBI_get_fields_meta($result);
$field_flags = array();
for ($j = 0; $j < $fields_cnt; $j++) {
$field_flags[$j] = PMA_DBI_field_flags($result, $j);
}
for ($j = 0; $j < $fields_cnt; $j++) {
if (isset($analyzed_sql[0]['select_expr'][$j]['column'])) {
$field_set[$j] = PMA_backquote($analyzed_sql[0]['select_expr'][$j]['column'], $sql_backquotes);
} else {
$field_set[$j] = PMA_backquote($fields_meta[$j]->name, $sql_backquotes);
}
}
if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'UPDATE') {
// update
$schema_insert = 'UPDATE ';
if (isset($GLOBALS['sql_ignore'])) {
$schema_insert .= 'IGNORE ';
}
// avoid EOL blank
$schema_insert .= PMA_backquote($table, $sql_backquotes) . ' SET';
} else {
// insert or replace
if (isset($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'])) {
$insert_delayed .= ' IGNORE';
}
// scheme for inserting fields
if (isset($GLOBALS['sql_columns'])) {
$fields = implode(', ', $field_set);
$schema_insert = $sql_command . $insert_delayed . ' INTO ' . PMA_backquote($table, $sql_backquotes) . ' (' . $fields . ') VALUES';
} else {
$schema_insert = $sql_command . $insert_delayed . ' INTO ' . PMA_backquote($table, $sql_backquotes) . ' VALUES';
}
}
$search = array("", "\n", "\r", "");
//\x08\\x09, not required
$replace = array('\\0', '\\n', '\\r', '\\Z');
$current_row = 0;
$query_size = 0;
if (isset($GLOBALS['sql_extended']) && (!isset($GLOBALS['sql_type']) || $GLOBALS['sql_type'] != 'UPDATE')) {
$separator = ',';
$schema_insert .= $crlf;
} else {
$separator = ';';
}
while ($row = PMA_DBI_fetch_row($result)) {
$current_row++;
for ($j = 0; $j < $fields_cnt; $j++) {
// NULL
if (!isset($row[$j]) || is_null($row[$j])) {
$values[] = 'NULL';
// a number
// timestamp is numeric on some MySQL 4.1, BLOBs are sometimes numeric
} elseif ($fields_meta[$j]->numeric && $fields_meta[$j]->type != 'timestamp' && !$fields_meta[$j]->blob) {
$values[] = $row[$j];
// 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
} elseif (stristr($field_flags[$j], 'BINARY') && $fields_meta[$j]->blob && isset($GLOBALS['sql_hex_for_blob'])) {
// empty blobs need to be different, but '0' is also empty :-(
if (empty($row[$j]) && $row[$j] != '0') {
$values[] = '\'\'';
} else {
$values[] = '0x' . bin2hex($row[$j]);
}
// detection of 'bit' works only on mysqli extension
} elseif ($fields_meta[$j]->type == 'bit') {
$values[] = "b'" . PMA_sqlAddslashes(PMA_printable_bit_value($row[$j], $fields_meta[$j]->length)) . "'";
// something else -> treat as a string
} else {
$values[] = '\'' . str_replace($search, $replace, PMA_sqlAddslashes($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];
}
$insert_line .= ' WHERE ' . PMA_getUniqueCondition($result, $fields_cnt, $fields_meta, $row);
} else {
// Extended inserts case
if (isset($GLOBALS['sql_extended'])) {
if ($current_row == 1) {
$insert_line = $schema_insert . '(' . implode(', ', $values) . ')';
} else {
$insert_line = '(' . implode(', ', $values) . ')';
if (isset($GLOBALS['sql_max_query_size']) && $GLOBALS['sql_max_query_size'] > 0 && $query_size + strlen($insert_line) > $GLOBALS['sql_max_query_size']) {
if (!PMA_exportOutputHandler(';' . $crlf)) {
return FALSE;
}
$query_size = 0;
$current_row = 1;
$insert_line = $schema_insert . $insert_line;
}
}
$query_size += strlen($insert_line);
} 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(';' . $crlf)) {
return FALSE;
}
}
}
// end if ($result != FALSE)
PMA_DBI_free_result($result);
return TRUE;
}
/**
* Copies or renames table
* @todo use RENAME for move operations
* - would work only if the databases are on the same filesystem,
* how can we check that? try the operation and
* catch an error?
* - for views, only if MYSQL > 50013
* - still have to handle pmadb synch.
*
* @author Michal Cihar <*****@*****.**>
*/
function moveCopy($source_db, $source_table, $target_db, $target_table, $what, $move, $mode)
{
global $err_url;
// set export settings we need
$GLOBALS['sql_backquotes'] = 1;
$GLOBALS['asfile'] = 1;
// Ensure the target is valid
if (!$GLOBALS['PMA_List_Database']->exists($source_db, $target_db)) {
/**
* @todo exit really needed here? or just a return?
*/
exit;
}
$source = PMA_backquote($source_db) . '.' . PMA_backquote($source_table);
if (!isset($target_db) || !strlen($target_db)) {
$target_db = $source_db;
}
// Doing a select_db could avoid some problems with replicated databases,
// when moving table from replicated one to not replicated one
PMA_DBI_select_db($target_db);
$target = PMA_backquote($target_db) . '.' . PMA_backquote($target_table);
// do not create the table if dataonly
if ($what != 'dataonly') {
require_once './libraries/export/sql.php';
$no_constraints_comments = true;
$GLOBALS['sql_constraints_query'] = '';
$sql_structure = PMA_getTableDef($source_db, $source_table, "\n", $err_url);
unset($no_constraints_comments);
$parsed_sql = PMA_SQP_parse($sql_structure);
$analyzed_sql = PMA_SQP_analyze($parsed_sql);
$i = 0;
if (empty($analyzed_sql[0]['create_table_fields'])) {
// this is not a CREATE TABLE, so find the first VIEW
$target_for_view = PMA_backquote($target_db);
while (true) {
if ($parsed_sql[$i]['type'] == 'alpha_reservedWord' && $parsed_sql[$i]['data'] == 'VIEW') {
break;
}
$i++;
}
}
unset($analyzed_sql);
$server_sql_mode = PMA_DBI_fetch_value("SHOW VARIABLES LIKE 'sql_mode'", 0, 1);
if ('ANSI_QUOTES' == $server_sql_mode) {
$table_delimiter = 'quote_double';
} else {
$table_delimiter = 'quote_backtick';
}
unset($server_sql_mode);
/* nijel: Find table name in query and replace it */
while ($parsed_sql[$i]['type'] != $table_delimiter) {
$i++;
}
/* no need to PMA_backquote() */
if (isset($target_for_view)) {
// this a view definition; we just found the first db name
// that follows DEFINER VIEW
// so change it for the new db name
$parsed_sql[$i]['data'] = $target_for_view;
// then we have to find all references to the source db
// and change them to the target db, ensuring we stay into
// the $parsed_sql limits
$last = $parsed_sql['len'] - 1;
$backquoted_source_db = PMA_backquote($source_db);
for (++$i; $i <= $last; $i++) {
if ($parsed_sql[$i]['type'] == $table_delimiter && $parsed_sql[$i]['data'] == $backquoted_source_db) {
$parsed_sql[$i]['data'] = $target_for_view;
}
}
unset($last, $backquoted_source_db);
} else {
$parsed_sql[$i]['data'] = $target;
}
/* Generate query back */
$sql_structure = PMA_SQP_formatHtml($parsed_sql, 'query_only');
// If table exists, and 'add drop table' is selected: Drop it!
$drop_query = '';
if (isset($GLOBALS['drop_if_exists']) && $GLOBALS['drop_if_exists'] == 'true') {
if (PMA_Table::_isView($target_db, $target_table)) {
$drop_query = 'DROP VIEW';
} else {
$drop_query = 'DROP TABLE';
}
$drop_query .= ' IF EXISTS ' . PMA_backquote($target_db) . '.' . PMA_backquote($target_table);
PMA_DBI_query($drop_query);
$GLOBALS['sql_query'] .= "\n" . $drop_query . ';';
// garvin: If an existing table gets deleted, maintain any
// entries for the PMA_* tables
$maintain_relations = true;
}
@PMA_DBI_query($sql_structure);
$GLOBALS['sql_query'] .= "\n" . $sql_structure . ';';
if (($move || isset($GLOBALS['add_constraints'])) && !empty($GLOBALS['sql_constraints_query'])) {
$parsed_sql = PMA_SQP_parse($GLOBALS['sql_constraints_query']);
$i = 0;
// find the first $table_delimiter, it must be the source table name
while ($parsed_sql[$i]['type'] != $table_delimiter) {
$i++;
// maybe someday we should guard against going over limit
//if ($i == $parsed_sql['len']) {
// break;
//}
}
// replace it by the target table name, no need to PMA_backquote()
$parsed_sql[$i]['data'] = $target;
// now we must remove all $table_delimiter that follow a CONSTRAINT
// keyword, because a constraint name must be unique in a db
$cnt = $parsed_sql['len'] - 1;
for ($j = $i; $j < $cnt; $j++) {
if ($parsed_sql[$j]['type'] == 'alpha_reservedWord' && strtoupper($parsed_sql[$j]['data']) == 'CONSTRAINT') {
if ($parsed_sql[$j + 1]['type'] == $table_delimiter) {
$parsed_sql[$j + 1]['data'] = '';
}
}
}
// Generate query back
$GLOBALS['sql_constraints_query'] = PMA_SQP_formatHtml($parsed_sql, 'query_only');
if ($mode == 'one_table') {
PMA_DBI_query($GLOBALS['sql_constraints_query']);
}
$GLOBALS['sql_query'] .= "\n" . $GLOBALS['sql_constraints_query'];
if ($mode == 'one_table') {
unset($GLOBALS['sql_constraints_query']);
}
}
} else {
$GLOBALS['sql_query'] = '';
}
// Copy the data unless this is a VIEW
if (($what == 'data' || $what == 'dataonly') && !PMA_Table::_isView($target_db, $target_table)) {
$sql_insert_data = 'INSERT INTO ' . $target . ' SELECT * FROM ' . $source;
PMA_DBI_query($sql_insert_data);
$GLOBALS['sql_query'] .= "\n\n" . $sql_insert_data . ';';
}
require_once './libraries/relation.lib.php';
$GLOBALS['cfgRelation'] = PMA_getRelationsParam();
// Drops old table if the user has requested to move it
if ($move) {
// This could avoid some problems with replicated databases, when
// moving table from replicated one to not replicated one
PMA_DBI_select_db($source_db);
if (PMA_Table::_isView($source_db, $source_table)) {
$sql_drop_query = 'DROP VIEW';
} else {
$sql_drop_query = 'DROP TABLE';
}
$sql_drop_query .= ' ' . $source;
PMA_DBI_query($sql_drop_query);
// garvin: Move old entries from PMA-DBs to new table
if ($GLOBALS['cfgRelation']['commwork']) {
$remove_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['column_info']) . ' SET table_name = \'' . PMA_sqlAddslashes($target_table) . '\', ' . ' db_name = \'' . PMA_sqlAddslashes($target_db) . '\'' . ' WHERE db_name = \'' . PMA_sqlAddslashes($source_db) . '\'' . ' AND table_name = \'' . PMA_sqlAddslashes($source_table) . '\'';
PMA_query_as_cu($remove_query);
unset($remove_query);
}
// garvin: updating bookmarks is not possible since only a single table is moved,
// and not the whole DB.
if ($GLOBALS['cfgRelation']['displaywork']) {
$table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['table_info']) . ' SET db_name = \'' . PMA_sqlAddslashes($target_db) . '\', ' . ' table_name = \'' . PMA_sqlAddslashes($target_table) . '\'' . ' WHERE db_name = \'' . PMA_sqlAddslashes($source_db) . '\'' . ' AND table_name = \'' . PMA_sqlAddslashes($source_table) . '\'';
PMA_query_as_cu($table_query);
unset($table_query);
}
if ($GLOBALS['cfgRelation']['relwork']) {
$table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['relation']) . ' SET foreign_table = \'' . PMA_sqlAddslashes($target_table) . '\',' . ' foreign_db = \'' . PMA_sqlAddslashes($target_db) . '\'' . ' WHERE foreign_db = \'' . PMA_sqlAddslashes($source_db) . '\'' . ' AND foreign_table = \'' . PMA_sqlAddslashes($source_table) . '\'';
PMA_query_as_cu($table_query);
unset($table_query);
$table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['relation']) . ' SET master_table = \'' . PMA_sqlAddslashes($target_table) . '\',' . ' master_db = \'' . PMA_sqlAddslashes($target_db) . '\'' . ' WHERE master_db = \'' . PMA_sqlAddslashes($source_db) . '\'' . ' AND master_table = \'' . PMA_sqlAddslashes($source_table) . '\'';
PMA_query_as_cu($table_query);
unset($table_query);
}
/**
* @todo garvin: Can't get moving PDFs the right way. The page numbers
* always get screwed up independently from duplication because the
* numbers do not seem to be stored on a per-database basis. Would
* the author of pdf support please have a look at it?
*/
if ($GLOBALS['cfgRelation']['pdfwork']) {
$table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['table_coords']) . ' SET table_name = \'' . PMA_sqlAddslashes($target_table) . '\',' . ' db_name = \'' . PMA_sqlAddslashes($target_db) . '\'' . ' WHERE db_name = \'' . PMA_sqlAddslashes($source_db) . '\'' . ' AND table_name = \'' . PMA_sqlAddslashes($source_table) . '\'';
PMA_query_as_cu($table_query);
unset($table_query);
/*
$pdf_query = 'SELECT pdf_page_number '
. ' FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['table_coords'])
. ' WHERE db_name = \'' . PMA_sqlAddslashes($target_db) . '\''
. ' AND table_name = \'' . PMA_sqlAddslashes($target_table) . '\'';
$pdf_rs = PMA_query_as_cu($pdf_query);
while ($pdf_copy_row = PMA_DBI_fetch_assoc($pdf_rs)) {
$table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['pdf_pages'])
. ' SET db_name = \'' . PMA_sqlAddslashes($target_db) . '\''
. ' WHERE db_name = \'' . PMA_sqlAddslashes($source_db) . '\''
. ' AND page_nr = \'' . PMA_sqlAddslashes($pdf_copy_row['pdf_page_number']) . '\'';
$tb_rs = PMA_query_as_cu($table_query);
unset($table_query);
unset($tb_rs);
}
*/
}
if ($GLOBALS['cfgRelation']['designerwork']) {
$table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['designer_coords']) . ' SET table_name = \'' . PMA_sqlAddslashes($target_table) . '\',' . ' db_name = \'' . PMA_sqlAddslashes($target_db) . '\'' . ' WHERE db_name = \'' . PMA_sqlAddslashes($source_db) . '\'' . ' AND table_name = \'' . PMA_sqlAddslashes($source_table) . '\'';
PMA_query_as_cu($table_query);
unset($table_query);
}
$GLOBALS['sql_query'] .= "\n\n" . $sql_drop_query . ';';
// end if ($move)
} else {
// we are copying
// garvin: Create new entries as duplicates from old PMA DBs
if ($what != 'dataonly' && !isset($maintain_relations)) {
if ($GLOBALS['cfgRelation']['commwork']) {
// Get all comments and MIME-Types for current table
$comments_copy_query = 'SELECT
column_name, ' . PMA_backquote('comment') . ($GLOBALS['cfgRelation']['mimework'] ? ', mimetype, transformation, transformation_options' : '') . '
FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['column_info']) . '
WHERE
db_name = \'' . PMA_sqlAddslashes($source_db) . '\' AND
table_name = \'' . PMA_sqlAddslashes($source_table) . '\'';
$comments_copy_rs = PMA_query_as_cu($comments_copy_query);
// Write every comment as new copied entry. [MIME]
while ($comments_copy_row = PMA_DBI_fetch_assoc($comments_copy_rs)) {
$new_comment_query = 'REPLACE INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['column_info']) . ' (db_name, table_name, column_name, ' . PMA_backquote('comment') . ($GLOBALS['cfgRelation']['mimework'] ? ', mimetype, transformation, transformation_options' : '') . ') ' . ' VALUES(' . '\'' . PMA_sqlAddslashes($target_db) . '\',' . '\'' . PMA_sqlAddslashes($target_table) . '\',' . '\'' . PMA_sqlAddslashes($comments_copy_row['column_name']) . '\'' . ($GLOBALS['cfgRelation']['mimework'] ? ',\'' . PMA_sqlAddslashes($comments_copy_row['comment']) . '\',' . '\'' . PMA_sqlAddslashes($comments_copy_row['mimetype']) . '\',' . '\'' . PMA_sqlAddslashes($comments_copy_row['transformation']) . '\',' . '\'' . PMA_sqlAddslashes($comments_copy_row['transformation_options']) . '\'' : '') . ')';
PMA_query_as_cu($new_comment_query);
}
// end while
PMA_DBI_free_result($comments_copy_rs);
unset($comments_copy_rs);
}
// duplicating the bookmarks must not be done here, but
// just once per db
$get_fields = array('display_field');
$where_fields = array('db_name' => $source_db, 'table_name' => $source_table);
$new_fields = array('db_name' => $target_db, 'table_name' => $target_table);
PMA_Table::duplicateInfo('displaywork', 'table_info', $get_fields, $where_fields, $new_fields);
/**
* @todo revise this code when we support cross-db relations
*/
$get_fields = array('master_field', 'foreign_table', 'foreign_field');
$where_fields = array('master_db' => $source_db, 'master_table' => $source_table);
$new_fields = array('master_db' => $target_db, 'foreign_db' => $target_db, 'master_table' => $target_table);
PMA_Table::duplicateInfo('relwork', 'relation', $get_fields, $where_fields, $new_fields);
$get_fields = array('foreign_field', 'master_table', 'master_field');
$where_fields = array('foreign_db' => $source_db, 'foreign_table' => $source_table);
$new_fields = array('master_db' => $target_db, 'foreign_db' => $target_db, 'foreign_table' => $target_table);
PMA_Table::duplicateInfo('relwork', 'relation', $get_fields, $where_fields, $new_fields);
$get_fields = array('x', 'y', 'v', 'h');
$where_fields = array('db_name' => $source_db, 'table_name' => $source_table);
$new_fields = array('db_name' => $target_db, 'table_name' => $target_table);
PMA_Table::duplicateInfo('designerwork', 'designer_coords', $get_fields, $where_fields, $new_fields);
/**
* @todo garvin: Can't get duplicating PDFs the right way. The
* page numbers always get screwed up independently from
* duplication because the numbers do not seem to be stored on a
* per-database basis. Would the author of pdf support please
* have a look at it?
*
$get_fields = array('page_descr');
$where_fields = array('db_name' => $source_db);
$new_fields = array('db_name' => $target_db);
$last_id = PMA_Table::duplicateInfo('pdfwork', 'pdf_pages', $get_fields, $where_fields, $new_fields);
if (isset($last_id) && $last_id >= 0) {
$get_fields = array('x', 'y');
$where_fields = array('db_name' => $source_db, 'table_name' => $source_table);
$new_fields = array('db_name' => $target_db, 'table_name' => $target_table, 'pdf_page_number' => $last_id);
PMA_Table::duplicateInfo('pdfwork', 'table_coords', $get_fields, $where_fields, $new_fields);
}
*/
}
}
}
/**
* Returns $table's CREATE definition
*
* @param string the database name
* @param string the table name
* @param string the end of line sequence
* @param string the url to go back in case of error
* @param boolean whether to include creation/update/check dates
*
* @return string resulting schema
*
* @global boolean whether to add 'drop' statements or not
* @global boolean whether to use backquotes to allow the use of special
* characters in database, table and fields names or not
*
* @access public
*/
function PMA_getTableDef($db, $table, $crlf, $error_url, $show_dates = false)
{
global $sql_drop_table;
global $sql_backquotes;
global $cfgRelation;
global $sql_constraints;
global $sql_constraints_query;
// just the text of the query
$schema_create = '';
$auto_increment = '';
$new_crlf = $crlf;
// need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
$result = PMA_DBI_query('SHOW TABLE STATUS FROM ' . PMA_backquote($db) . ' LIKE \'' . PMA_sqlAddslashes($table) . '\'', null, PMA_DBI_QUERY_STORE);
if ($result != FALSE) {
if (PMA_DBI_num_rows($result) > 0) {
$tmpres = PMA_DBI_fetch_assoc($result);
// Here we optionally add the AUTO_INCREMENT next value,
// but starting with MySQL 5.0.24, the clause is already included
// in SHOW CREATE TABLE so we'll remove it below
if (isset($GLOBALS['sql_auto_increment']) && !empty($tmpres['Auto_increment'])) {
$auto_increment .= ' AUTO_INCREMENT=' . $tmpres['Auto_increment'] . ' ';
}
if ($show_dates && isset($tmpres['Create_time']) && !empty($tmpres['Create_time'])) {
$schema_create .= $GLOBALS['comment_marker'] . $GLOBALS['strStatCreateTime'] . ': ' . PMA_localisedDate(strtotime($tmpres['Create_time'])) . $crlf;
$new_crlf = $GLOBALS['comment_marker'] . $crlf . $crlf;
}
if ($show_dates && isset($tmpres['Update_time']) && !empty($tmpres['Update_time'])) {
$schema_create .= $GLOBALS['comment_marker'] . $GLOBALS['strStatUpdateTime'] . ': ' . PMA_localisedDate(strtotime($tmpres['Update_time'])) . $crlf;
$new_crlf = $GLOBALS['comment_marker'] . $crlf . $crlf;
}
if ($show_dates && isset($tmpres['Check_time']) && !empty($tmpres['Check_time'])) {
$schema_create .= $GLOBALS['comment_marker'] . $GLOBALS['strStatCheckTime'] . ': ' . PMA_localisedDate(strtotime($tmpres['Check_time'])) . $crlf;
$new_crlf = $GLOBALS['comment_marker'] . $crlf . $crlf;
}
}
PMA_DBI_free_result($result);
}
$schema_create .= $new_crlf;
if (!empty($sql_drop_table)) {
if (PMA_Table::_isView($db, $table)) {
$drop_clause = 'DROP VIEW';
} else {
$drop_clause = 'DROP TABLE';
}
$schema_create .= $drop_clause . ' IF EXISTS ' . PMA_backquote($table, $sql_backquotes) . ';' . $crlf;
unset($drop_clause);
}
// Steve Alberty's patch for complete table dump,
// Whether to quote table and fields names or not
if ($sql_backquotes) {
PMA_DBI_query('SET SQL_QUOTE_SHOW_CREATE = 1');
} else {
PMA_DBI_query('SET SQL_QUOTE_SHOW_CREATE = 0');
}
// I don't see the reason why this unbuffered query could cause problems,
// because SHOW CREATE TABLE returns only one row, and we free the
// results below. Nonetheless, we got 2 user reports about this
// (see bug 1562533) so I remove the unbuffered mode.
//$result = PMA_DBI_query('SHOW CREATE TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table), null, PMA_DBI_QUERY_UNBUFFERED);
$result = PMA_DBI_query('SHOW CREATE TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table));
if ($result != FALSE && ($row = PMA_DBI_fetch_row($result))) {
$create_query = $row[1];
unset($row);
// Convert end of line chars to one that we want (note that MySQL doesn't return query it will accept in all cases)
if (strpos($create_query, "(\r\n ")) {
$create_query = str_replace("\r\n", $crlf, $create_query);
} elseif (strpos($create_query, "(\n ")) {
$create_query = str_replace("\n", $crlf, $create_query);
} elseif (strpos($create_query, "(\r ")) {
$create_query = str_replace("\r", $crlf, $create_query);
}
// Should we use IF NOT EXISTS?
if (isset($GLOBALS['sql_if_not_exists'])) {
$create_query = preg_replace('/^CREATE TABLE/', 'CREATE TABLE IF NOT EXISTS', $create_query);
}
// are there any constraints to cut out?
if (preg_match('@CONSTRAINT|FOREIGN[\\s]+KEY@', $create_query)) {
// Split the query into lines, so we can easily handle it. We know lines are separated by $crlf (done few lines above).
$sql_lines = explode($crlf, $create_query);
$sql_count = count($sql_lines);
// lets find first line with constraints
for ($i = 0; $i < $sql_count; $i++) {
if (preg_match('@^[\\s]*(CONSTRAINT|FOREIGN[\\s]+KEY)@', $sql_lines[$i])) {
break;
}
}
// If we really found a constraint
if ($i != $sql_count) {
// remove , from the end of create statement
$sql_lines[$i - 1] = preg_replace('@,$@', '', $sql_lines[$i - 1]);
// prepare variable for constraints
if (!isset($sql_constraints)) {
if (isset($GLOBALS['no_constraints_comments'])) {
$sql_constraints = '';
} else {
$sql_constraints = $crlf . $GLOBALS['comment_marker'] . $crlf . $GLOBALS['comment_marker'] . $GLOBALS['strConstraintsForDumped'] . $crlf . $GLOBALS['comment_marker'] . $crlf;
}
}
// comments for current table
if (!isset($GLOBALS['no_constraints_comments'])) {
$sql_constraints .= $crlf . $GLOBALS['comment_marker'] . $crlf . $GLOBALS['comment_marker'] . $GLOBALS['strConstraintsForTable'] . ' ' . PMA_backquote($table) . $crlf . $GLOBALS['comment_marker'] . $crlf;
}
// let's do the work
$sql_constraints_query .= 'ALTER TABLE ' . PMA_backquote($table) . $crlf;
$sql_constraints .= 'ALTER TABLE ' . PMA_backquote($table) . $crlf;
$first = TRUE;
for ($j = $i; $j < $sql_count; $j++) {
if (preg_match('@CONSTRAINT|FOREIGN[\\s]+KEY@', $sql_lines[$j])) {
if (!$first) {
$sql_constraints .= $crlf;
}
if (strpos($sql_lines[$j], 'CONSTRAINT') === FALSE) {
$str_tmp = preg_replace('/(FOREIGN[\\s]+KEY)/', 'ADD \\1', $sql_lines[$j]);
$sql_constraints_query .= $str_tmp;
$sql_constraints .= $str_tmp;
} else {
$str_tmp = preg_replace('/(CONSTRAINT)/', 'ADD \\1', $sql_lines[$j]);
$sql_constraints_query .= $str_tmp;
$sql_constraints .= $str_tmp;
}
$first = FALSE;
} else {
break;
}
}
$sql_constraints .= ';' . $crlf;
$sql_constraints_query .= ';';
$create_query = implode($crlf, array_slice($sql_lines, 0, $i)) . $crlf . implode($crlf, array_slice($sql_lines, $j, $sql_count - 1));
unset($sql_lines);
}
}
$schema_create .= $create_query;
}
// remove a possible "AUTO_INCREMENT = value" clause
// that could be there starting with MySQL 5.0.24
$schema_create = preg_replace('/AUTO_INCREMENT\\s*=\\s*([0-9])+/', '', $schema_create);
$schema_create .= $auto_increment;
PMA_DBI_free_result($result);
return $schema_create;
}
