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- <?php
- /* $Id: sql.php,v 2.6.2.1 2004/06/07 11:27:10 rabus Exp $ */
- // vim: expandtab sw=4 ts=4 sts=4:
- error_reporting(E_ALL);
- /**
- * Set of functions used to build SQL dumps of tables
- */
-
- /**
- * Returns $table's field types
- *
- * @param string the database name
- * @param string the table name
- *
- * @return array the field types; key of array is PMA_backquote
- * of the field name
- *
- * @access public
- *
- * This function exists because mysql_field_type() returns 'blob'
- * even for 'text' fields.
- */
- function PMA_fieldTypes($db, $table,$use_backquotes) {
- PMA_mysql_select_db($db);
- $table_def = PMA_mysql_query('SHOW FIELDS FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table));
- while($row = @PMA_mysql_fetch_array($table_def)) {
- $types[PMA_backquote($row['Field'],$use_backquotes)] = ereg_replace('\\(.*', '', $row['Type']);
- }
- return $types;
- }
-
- /**
- * Outputs comment
- *
- * @param string Text of comment
- *
- * @return bool Whether it suceeded
- */
- function PMA_exportComment($text) {
- return PMA_exportOutputHandler('# ' . $text . $GLOBALS['crlf']);
- }
-
- /**
- * Outputs export header
- *
- * @return bool Whether it suceeded
- *
- * @access public
- */
- function PMA_exportHeader() {
- global $crlf;
- global $cfg;
-
- $head = '# phpMyAdmin SQL Dump' . $crlf
- . '# version ' . PMA_VERSION . $crlf
- . '# http://www.phpmyadmin.net' . $crlf
- . '#' . $crlf
- . '# ' . $GLOBALS['strHost'] . ': ' . $cfg['Server']['host'];
- if (!empty($cfg['Server']['port'])) {
- $head .= ':' . $cfg['Server']['port'];
- }
- $head .= $crlf
- . '# ' . $GLOBALS['strGenTime'] . ': ' . PMA_localisedDate() . $crlf
- . '# ' . $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['strPHPVersion'] . ': ' . phpversion() . $crlf;
- return PMA_exportOutputHandler($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 = '# ' . $crlf
- . '# ' . $GLOBALS['strDatabase'] . ': ' . (isset($GLOBALS['use_backquotes']) ? PMA_backquote($db) : '\'' . $db . '\''). $crlf
- . '# ' . $crlf;
- return PMA_exportOutputHandler($head);
- }
-
- /**
- * Outputs database footer
- *
- * @param string Database name
- *
- * @return bool Whether it suceeded
- *
- * @access public
- */
- function PMA_exportDBFooter($db) {
- if (isset($GLOBALS['sql_constraints'])) return PMA_exportOutputHandler($GLOBALS['sql_constraints']);
- return TRUE;
- }
-
- /**
- * 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;
-
-
- $result = PMA_mysql_query('SHOW TABLE STATUS FROM ' . PMA_backquote($db) . ' LIKE \'' . PMA_sqlAddslashes($table) . '\'');
- if ($result != FALSE) {
- if (mysql_num_rows($result) > 0) {
- $tmpres = PMA_mysql_fetch_array($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 .= '# ' . $GLOBALS['strStatCreateTime'] . ': ' . PMA_localisedDate(strtotime($tmpres['Create_time'])) . $crlf;
- $new_crlf = '#' . $crlf . $crlf;
- }
-
- if ($show_dates && isset($tmpres['Update_time']) && !empty($tmpres['Update_time'])) {
- $schema_create .= '# ' . $GLOBALS['strStatUpdateTime'] . ': ' . PMA_localisedDate(strtotime($tmpres['Update_time'])) . $crlf;
- $new_crlf = '#' . $crlf . $crlf;
- }
-
- if ($show_dates && isset($tmpres['Check_time']) && !empty($tmpres['Check_time'])) {
- $schema_create .= '# ' . $GLOBALS['strStatCheckTime'] . ': ' . PMA_localisedDate(strtotime($tmpres['Check_time'])) . $crlf;
- $new_crlf = '#' . $crlf . $crlf;
- }
- mysql_free_result($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_mysql_query('SET SQL_QUOTE_SHOW_CREATE = 1');
- } else {
- PMA_mysql_query('SET SQL_QUOTE_SHOW_CREATE = 0');
- }
- $result = PMA_mysql_query('SHOW CREATE TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table));
- if ($result != FALSE && mysql_num_rows($result) > 0) {
- $tmpres = PMA_mysql_fetch_array($result);
- // Fix for case problems with winwin, thanks to
- // Pawe│ Szczepa±ski <pauluz at users.sourceforge.net>
- $pos = strpos($tmpres[1], ' (');
-
- // Fix a problem with older versions of mysql
- // Find the first opening parenthesys, i.e. that after the name
- // of the table
- $pos2 = strpos($tmpres[1], '(');
- // Old mysql did not insert a space after table name
- // in query "show create table ..."!
- if ($pos2 != $pos + 1)
- {
- // This is the real position of the first character after
- // the name of the table
- $pos = $pos2;
- // Old mysql did not even put newlines and indentation...
- $tmpres[1] = str_replace(",", ",\n ", $tmpres[1]);
- }
-
- $tmpres[1] = substr($tmpres[1], 0, 13)
- . (($use_backquotes) ? PMA_backquote($tmpres[0]) : $tmpres[0])
- . substr($tmpres[1], $pos);
- $tmpres[1] = str_replace("\n", $crlf, $tmpres[1]);
- if (preg_match_all('((,\r?\n[\s]*(CONSTRAINT|FOREIGN[\s]*KEY)[^\r\n]+)+)', $tmpres[1], $regs)) {
- if (!isset($sql_constraints)) {
- if (isset($GLOBALS['no_constraints_comments'])) {
- $sql_constraints = '';
- } else {
- $sql_constraints = $crlf . '#' . $crlf
- . '# ' . $GLOBALS['strConstraintsForDumped'] . $crlf
- . '#' . $crlf;
- }
- }
- if (!isset($GLOBALS['no_constraints_comments'])) {
- $sql_constraints .= $crlf .'#' . $crlf .'# ' . $GLOBALS['strConstraintsForTable'] . ' ' . PMA_backquote($table) . $crlf . '#' . $crlf;
- }
- $sql_constraints .= 'ALTER TABLE ' . PMA_backquote($table) . $crlf
- . preg_replace('/(,\r?\n|^)([\s]*)(CONSTRAINT|FOREIGN[\s]*KEY)/', '\1\2ADD \3', substr($regs[0][0], 2))
- . ";\n";
- $tmpres[1] = preg_replace('((,\r?\n[\s]*(CONSTRAINT|FOREIGN[\s]*KEY)[^\r\n]+)+)', '', $tmpres[1]);
- }
- $schema_create .= $tmpres[1];
- }
-
- $schema_create .= $auto_increment;
-
-
- mysql_free_result($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;
-
- $schema_create = '';
-
- if ($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 . '#' . $crlf . '# COMMENTS FOR TABLE ' . PMA_backquote($table, $use_backquotes) . ':' . $crlf;
- foreach($comments_map AS $comment_field => $comment) {
- $schema_create .= '# ' . PMA_backquote($comment_field, $use_backquotes) . $crlf . '# ' . PMA_backquote($comment, $use_backquotes) . $crlf;
- }
- $schema_create .= '#' . $crlf;
- }
-
- if (isset($mime_map) && count($mime_map) > 0) {
- $schema_create .= $crlf . '#' . $crlf . '# MIME TYPES FOR TABLE ' . PMA_backquote($table, $use_backquotes) . ':' . $crlf;
- @reset($mime_map);
- foreach($mime_map AS $mime_field => $mime) {
- $schema_create .= '# ' . PMA_backquote($mime_field, $use_backquotes) . $crlf . '# ' . PMA_backquote($mime['mimetype'], $use_backquotes) . $crlf;
- }
- $schema_create .= '#' . $crlf;
- }
-
- if ($have_rel) {
- $schema_create .= $crlf . '#' . $crlf . '# RELATIONS FOR TABLE ' . PMA_backquote($table, $use_backquotes) . ':' . $crlf;
- foreach($res_rel AS $rel_field => $rel) {
- $schema_create .= '# ' . PMA_backquote($rel_field, $use_backquotes) . $crlf . '# ' . PMA_backquote($rel['foreign_table'], $use_backquotes) . ' -> ' . PMA_backquote($rel['foreign_field'], $use_backquotes) . $crlf;
- }
- $schema_create .= '#' . $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
- . '# --------------------------------------------------------' . $crlf
- . $crlf . '#' . $crlf
- . '# ' . $GLOBALS['strTableStructure'] . ' ' . $formatted_table_name . $crlf
- . '#' . $crlf
- . PMA_getTableDef($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
- . '#' . $crlf
- . '# ' . $GLOBALS['strDumpingData'] . ' ' . $formatted_table_name . $crlf
- . '#' . $crlf .$crlf;
-
- if (!PMA_exportOutputHandler($head)) return FALSE;
-
- $buffer = '';
-
- $result = PMA_mysql_query($sql_query) or PMA_mysqlDie('', $sql_query, '', $error_url);
- if ($result != FALSE) {
- $fields_cnt = mysql_num_fields($result);
- $rows_cnt = mysql_num_rows($result);
-
- // get the real types of the table's fields (in an array)
- // the key of the array is the backquoted field name
- $field_types = PMA_fieldTypes($db,$table,$use_backquotes);
-
- // 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));
-
- // Checks whether the field is an integer or not
- 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(PMA_mysql_field_name($result, $j), $use_backquotes);
- }
-
- $type = $field_types[$field_set[$j]];
-
- if ($type == 'tinyint' || $type == 'smallint' || $type == 'mediumint' || $type == 'int' ||
- $type == 'bigint' || (PMA_MYSQL_INT_VERSION < 40100 && $type == 'timestamp')) {
- $field_num[$j] = TRUE;
- } else {
- $field_num[$j] = FALSE;
- }
- // blob
- if ($type == 'blob' || $type == 'mediumblob' || $type == 'longblob' || $type == 'tinyblob') {
- $field_blob[$j] = TRUE;
- } else {
- $field_blob[$j] = FALSE;
- }
- } // end for
-
- if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'update') {
- // update
- $schema_insert = 'UPDATE ' . PMA_backquote($table, $use_backquotes) . ' SET ';
- $fields_no = count($field_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 {
- $insert_delayed = '';
- }
-
- // Sets the scheme
- if (isset($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');
- $current_row = 0;
-
- while ($row = PMA_mysql_fetch_row($result)) {
- $current_row++;
- for ($j = 0; $j < $fields_cnt; $j++) {
- if (!isset($row[$j])) {
- $values[] = 'NULL';
- } else if ($row[$j] == '0' || $row[$j] != '') {
- // a number
- if ($field_num[$j]) {
- $values[] = $row[$j];
- // a not empty blob
- } else if ($field_blob[$j] && !empty($row[$j])) {
- $values[] = '0x' . bin2hex($row[$j]);
- // a string
- } else {
- $values[] = "'" . str_replace($search, $replace, PMA_sqlAddslashes($row[$j])) . "'";
- }
- } else {
- $values[] = "''";
- } // end if
- } // end for
-
- // should we make update?
- if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'update') {
-
- $insert_line = $schema_insert;
- for ($i = 0; $i < $fields_no; $i++) {
- if ($i > 0) {
- $insert_line .= ', ';
- }
- $insert_line .= $field_set[$i] . ' = ' . $values[$i];
- }
-
- } 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($insert_line . ((isset($GLOBALS['extended_ins']) && ($current_row < $rows_cnt)) ? ',' : ';') . $crlf)) return FALSE;
-
- } // end while
- } // end if ($result != FALSE)
- mysql_free_result($result);
-
- return TRUE;
- } // end of the 'PMA_exportData()' function
- ?>
-