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- <?php
- /* $Id: sql.php,v 2.44 2005/03/06 12:30:10 lem9 Exp $ */
- // vim: expandtab sw=4 ts=4 sts=4:
- error_reporting(E_ALL);
- /**
- * Set of functions used to build SQL dumps of tables
- */
-
- /**
- * Marker for comments, -- is needed for ANSI SQL.
- */
- $GLOBALS['comment_marker'] = '-- ';
-
- /**
- * Outputs comment
- *
- * @param string Text of comment
- *
- * @return bool Whether it suceeded
- */
- function PMA_exportComment($text) {
- return PMA_exportOutputHandler($GLOBALS['comment_marker'] . $text . $GLOBALS['crlf']);
- }
-
- /**
- * Outputs export footer
- *
- * @return bool Whether it suceeded
- *
- * @access public
- */
- function PMA_exportFooter() {
- global $crlf;
-
- $foot = '';
-
- if (isset($GLOBALS['disable_fk'])) {
- $foot .= $crlf . 'SET FOREIGN_KEY_CHECKS=1;' . $crlf;
- }
-
- if (isset($GLOBALS['use_transaction'])) {
- $foot .= $crlf . 'COMMIT;' . $crlf;
- }
-
- return PMA_exportOutputHandler($foot);
- }
-
- /**
- * Outputs export header
- *
- * @return bool Whether it suceeded
- *
- * @access public
- */
- function PMA_exportHeader() {
- global $crlf;
- global $cfg;
-
- if (PMA_MYSQL_INT_VERSION >= 40100 && isset($GLOBALS['sql_compat']) && $GLOBALS['sql_compat'] != 'NONE') {
- PMA_DBI_try_query('SET SQL_MODE="' . $GLOBALS['sql_compat'] . '"');
- }
-
- $head = $GLOBALS['comment_marker'] . 'phpMyAdmin SQL Dump' . $crlf
- . $GLOBALS['comment_marker'] . 'version ' . PMA_VERSION . $crlf
- . $GLOBALS['comment_marker'] . 'http://www.phpmyadmin.net' . $crlf
- . $GLOBALS['comment_marker'] . $crlf
- . $GLOBALS['comment_marker'] . $GLOBALS['strHost'] . ': ' . $cfg['Server']['host'];
- if (!empty($cfg['Server']['port'])) {
- $head .= ':' . $cfg['Server']['port'];
- }
- $head .= $crlf
- . $GLOBALS['comment_marker'] . $GLOBALS['strGenTime'] . ': ' . PMA_localisedDate() . $crlf
- . $GLOBALS['comment_marker'] . $GLOBALS['strServerVersion'] . ': ' . substr(PMA_MYSQL_INT_VERSION, 0, 1) . '.' . (int) substr(PMA_MYSQL_INT_VERSION, 1, 2) . '.' . (int) substr(PMA_MYSQL_INT_VERSION, 3) . $crlf
- . $GLOBALS['comment_marker'] . $GLOBALS['strPHPVersion'] . ': ' . phpversion() . $crlf;
-
- if (isset($GLOBALS['header_comment']) && !empty($GLOBALS['header_comment'])) {
- $lines = explode('\n', $GLOBALS['header_comment']);
- $head .= $GLOBALS['comment_marker'] . $crlf
- . $GLOBALS['comment_marker'] . implode($crlf . $GLOBALS['comment_marker'], $lines) . $crlf
- . $GLOBALS['comment_marker'] . $crlf;
- }
-
- if (isset($GLOBALS['disable_fk'])) {
- $head .= $crlf . 'SET FOREIGN_KEY_CHECKS=0;' . $crlf;
- }
-
- if (isset($GLOBALS['use_transaction'])) {
- $head .= $crlf .'SET AUTOCOMMIT=0;' . $crlf
- . 'START TRANSACTION;' . $crlf . $crlf;
- }
-
- return PMA_exportOutputHandler($head);
- }
-
- /**
- * Outputs create database database
- *
- * @param string Database name
- *
- * @return bool Whether it suceeded
- *
- * @access public
- */
- function PMA_exportDBCreate($db) {
- global $crlf;
- if (isset($GLOBALS['drop_database'])) {
- if (!PMA_exportOutputHandler('DROP DATABASE ' . (isset($GLOBALS['use_backquotes']) ? PMA_backquote($db) : $db) . ';' . $crlf)) return FALSE;
- }
- $create_query = 'CREATE DATABASE ' . (isset($GLOBALS['use_backquotes']) ? PMA_backquote($db) : $db);
- if (PMA_MYSQL_INT_VERSION >= 40101) {
- $collation = PMA_getDbCollation($db);
- if (strpos($collation, '_')) {
- $create_query .= ' DEFAULT CHARACTER SET ' . substr($collation, 0, strpos($collation, '_')) . ' COLLATE ' . $collation;
- } else {
- $create_query .= ' DEFAULT CHARACTER SET ' . $collation;
- }
- }
- $create_query .= ';' . $crlf;
- if (!PMA_exportOutputHandler($create_query)) return FALSE;
- return PMA_exportOutputHandler('USE ' . $db . ';' . $crlf);
- }
-
- /**
- * Outputs database header
- *
- * @param string Database name
- *
- * @return bool Whether it suceeded
- *
- * @access public
- */
- function PMA_exportDBHeader($db) {
- global $crlf;
- $head = $GLOBALS['comment_marker'] . $crlf
- . $GLOBALS['comment_marker'] . $GLOBALS['strDatabase'] . ': ' . (isset($GLOBALS['use_backquotes']) ? PMA_backquote($db) : '\'' . $db . '\''). $crlf
- . $GLOBALS['comment_marker'] . $crlf;
- return PMA_exportOutputHandler($head);
- }
-
- /**
- * Outputs database footer
- *
- * @param string Database name
- *
- * @return bool Whether it suceeded
- *
- * @access public
- */
- function PMA_exportDBFooter($db) {
- $result = TRUE;
- if (isset($GLOBALS['sql_constraints'])) {
- $result = PMA_exportOutputHandler($GLOBALS['sql_constraints']);
- unset($GLOBALS['sql_constraints']);
- }
- return $result;
- }
-
- /**
- * 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 $drop;
- global $use_backquotes;
- global $cfgRelation;
- global $sql_constraints;
-
- $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);
- if (isset($GLOBALS['auto_increment']) && !empty($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 .= $new_crlf;
-
- if (!empty($drop)) {
- $schema_create .= 'DROP TABLE IF EXISTS ' . PMA_backquote($table, $use_backquotes) . ';' . $crlf;
- }
-
- // Steve Alberty's patch for complete table dump,
- // Whether to quote table and fields names or not
- if ($use_backquotes) {
- PMA_DBI_query('SET SQL_QUOTE_SHOW_CREATE = 1');
- } else {
- PMA_DBI_query('SET SQL_QUOTE_SHOW_CREATE = 0');
- }
-
- $result = PMA_DBI_query('SHOW CREATE TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table), NULL, PMA_DBI_QUERY_UNBUFFERED);
- if ($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['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('@CONSTRAINT|FOREIGN[\s]+KEY@', $sql_lines[$i])) break;
- }
-
- // 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
- $sql_constraints .= 'ALTER TABLE ' . PMA_backquote($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) {
- $sql_constraints .= preg_replace('/(FOREIGN[\s]+KEY)/', 'ADD \1', $sql_lines[$j]);
- } else {
- $sql_constraints .= preg_replace('/(CONSTRAINT)/', 'ADD \1', $sql_lines[$j]);
- }
- $first = FALSE;
- } else {
- break;
- }
- }
- $sql_constraints .= ';' . $crlf;
- $create_query = implode($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;
- }
-
- $schema_create .= $auto_increment;
-
- PMA_DBI_free_result($result);
- return $schema_create;
- } // end of the 'PMA_getTableDef()' function
-
-
- /**
- * Returns $table's comments, relations etc.
- *
- * @param string the database name
- * @param string the table name
- * @param string the end of line sequence
- * @param boolean whether to include relation comments
- * @param boolean whether to include column comments
- * @param boolean whether to include mime comments
- *
- * @return string resulting comments
- *
- * @access public
- */
- function PMA_getTableComments($db, $table, $crlf, $do_relation = false, $do_comments = false, $do_mime = false)
- {
- global $cfgRelation;
- global $use_backquotes;
- global $sql_constraints;
-
- $schema_create = '';
-
- // triggered only for MySQL < 4.1.x (pmadb-style comments)
- if ($do_comments && $cfgRelation['commwork']) {
- if (!($comments_map = PMA_getComments($db, $table))) {
- unset($comments_map);
- }
- }
-
- // Check if we can use Relations (Mike Beck)
- if ($do_relation && !empty($cfgRelation['relation'])) {
- // Find which tables are related with the current one and write it in
- // an array
- $res_rel = PMA_getForeigners($db, $table);
-
- if ($res_rel && count($res_rel) > 0) {
- $have_rel = TRUE;
- } else {
- $have_rel = FALSE;
- }
- }
- else {
- $have_rel = FALSE;
- } // end if
-
- if ($do_mime && $cfgRelation['mimework']) {
- if (!($mime_map = PMA_getMIME($db, $table, true))) unset($mime_map);
- }
-
- if (isset($comments_map) && count($comments_map) > 0) {
- $schema_create .= $crlf . $GLOBALS['comment_marker'] . $crlf
- . $GLOBALS['comment_marker'] . $GLOBALS['strCommentsForTable']. ' ' . PMA_backquote($table, $use_backquotes) . ':' . $crlf;
- foreach ($comments_map AS $comment_field => $comment) {
- $schema_create .= $GLOBALS['comment_marker'] . ' ' . PMA_backquote($comment_field, $use_backquotes) . $crlf
- . $GLOBALS['comment_marker'] . ' ' . PMA_backquote($comment, $use_backquotes) . $crlf;
- }
- $schema_create .= $GLOBALS['comment_marker'] . $crlf;
- }
-
- if (isset($mime_map) && count($mime_map) > 0) {
- $schema_create .= $crlf . $GLOBALS['comment_marker'] . $crlf
- . $GLOBALS['comment_marker'] . $GLOBALS['strMIMETypesForTable']. ' ' . PMA_backquote($table, $use_backquotes) . ':' . $crlf;
- @reset($mime_map);
- foreach ($mime_map AS $mime_field => $mime) {
- $schema_create .= $GLOBALS['comment_marker'] . ' ' . PMA_backquote($mime_field, $use_backquotes) . $crlf
- . $GLOBALS['comment_marker'] . ' ' . PMA_backquote($mime['mimetype'], $use_backquotes) . $crlf;
- }
- $schema_create .= $GLOBALS['comment_marker'] . $crlf;
- }
-
- if ($have_rel) {
- $schema_create .= $crlf . $GLOBALS['comment_marker'] . $crlf
- . $GLOBALS['comment_marker'] . $GLOBALS['strRelationsForTable']. ' ' . PMA_backquote($table, $use_backquotes) . ':' . $crlf;
- foreach ($res_rel AS $rel_field => $rel) {
- $schema_create .= $GLOBALS['comment_marker'] . ' ' . PMA_backquote($rel_field, $use_backquotes) . $crlf
- . $GLOBALS['comment_marker'] . ' ' . PMA_backquote($rel['foreign_table'], $use_backquotes)
- . ' -> ' . PMA_backquote($rel['foreign_field'], $use_backquotes) . $crlf;
- }
- $schema_create .= $GLOBALS['comment_marker'] . $crlf;
- }
-
- return $schema_create;
-
- } // end of the 'PMA_getTableComments()' function
-
- /**
- * Outputs table's structure
- *
- * @param string the database name
- * @param string the table name
- * @param string the end of line sequence
- * @param string the url to go back in case of error
- * @param boolean whether to include relation comments
- * @param boolean whether to include column comments
- * @param boolean whether to include mime comments
- *
- * @return bool Whether it suceeded
- *
- * @access public
- */
- function PMA_exportStructure($db, $table, $crlf, $error_url, $relation = FALSE, $comments = FALSE, $mime = FALSE, $dates = FALSE) {
- $formatted_table_name = (isset($GLOBALS['use_backquotes']))
- ? PMA_backquote($table)
- : '\'' . $table . '\'';
- $dump = $crlf
- . $GLOBALS['comment_marker'] . '--------------------------------------------------------' . $crlf
- . $crlf . $GLOBALS['comment_marker'] . $crlf
- . $GLOBALS['comment_marker'] . $GLOBALS['strTableStructure'] . ' ' . $formatted_table_name . $crlf
- . $GLOBALS['comment_marker'] . $crlf
- . PMA_getTableDef($db, $table, $crlf, $error_url, $dates) . ';' . $crlf
- . PMA_getTableComments($db, $table, $crlf, $relation, $comments, $mime);
-
-
- return PMA_exportOutputHandler($dump);
- }
-
- /**
- * 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 $use_backquotes;
- global $rows_cnt;
- global $current_row;
-
- $formatted_table_name = (isset($GLOBALS['use_backquotes']))
- ? PMA_backquote($table)
- : '\'' . $table . '\'';
- $head = $crlf
- . $GLOBALS['comment_marker'] . $crlf
- . $GLOBALS['comment_marker'] . $GLOBALS['strDumpingData'] . ' ' . $formatted_table_name . $crlf
- . $GLOBALS['comment_marker'] . $crlf .$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'], $use_backquotes);
- } else {
- $field_set[$j] = PMA_backquote($fields_meta[$j]->name, $use_backquotes);
- }
- }
-
- if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'update') {
- // update
- $schema_insert = 'UPDATE ';
- if (isset($GLOBALS['sql_ignore']))
- $schema_insert .= 'IGNORE ';
- $schema_insert .= PMA_backquote($table, $use_backquotes) . ' SET ';
- } else {
- // insert or replace
- if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'replace') {
- $sql_command = 'REPLACE';
- } else {
- $sql_command = 'INSERT';
- }
-
- // delayed inserts?
- if (isset($GLOBALS['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['showcolumns'])) {
- $fields = implode(', ', $field_set);
- $schema_insert = $sql_command . $insert_delayed .' INTO ' . PMA_backquote($table, $use_backquotes)
- . ' (' . $fields . ') VALUES (';
- } else {
- $schema_insert = $sql_command . $insert_delayed .' INTO ' . PMA_backquote($table, $use_backquotes)
- . ' VALUES (';
- }
- }
-
- $search = array("\x00", "\x0a", "\x0d", "\x1a"); //\x08\\x09, not required
- $replace = array('\0', '\n', '\r', '\Z');
- $current_row = 0;
- $separator = isset($GLOBALS['extended_ins']) ? ',' : ';';
-
- 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])) {
- $values[] = 'NULL';
- // a number
- // timestamp is numeric on some MySQL 4.1
- } elseif ($fields_meta[$j]->numeric && $fields_meta[$j]->type != 'timestamp') {
- $values[] = $row[$j];
- // a binary field
- // Note: with mysqli, under MySQL 4.1.3, we get the flag
- // "binary" for those field types (I don't know why)
- } else if (stristr($field_flags[$j], 'BINARY')
- && isset($GLOBALS['hexforbinary'])
- && $fields_meta[$j]->type != 'datetime'
- && $fields_meta[$j]->type != 'date'
- && $fields_meta[$j]->type != 'time'
- && $fields_meta[$j]->type != 'timestamp'
- ) {
- // 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]);
- }
- // 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; $i++) {
- if ($i > 0) {
- $insert_line .= ', ';
- }
- $insert_line .= $field_set[$i] . ' = ' . $values[$i];
- }
-
- $insert_line .= ' WHERE ' . PMA_getUvaCondition($result, $fields_cnt, $fields_meta, $row);
-
- } else {
-
- // Extended inserts case
- if (isset($GLOBALS['extended_ins'])) {
- if ($current_row == 1) {
- $insert_line = $schema_insert . implode(', ', $values) . ')';
- } else {
- $insert_line = '(' . implode(', ', $values) . ')';
- }
- }
- // 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(';' . $crlf)) return FALSE;
- }
- } // end if ($result != FALSE)
- PMA_DBI_free_result($result);
-
- return TRUE;
- } // end of the 'PMA_exportData()' function
- ?>
-