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tool database_export
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OpenXE
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231
tools/database_compare/database_export.php
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231
tools/database_compare/database_export.php
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<?php
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/*
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* Helper to export database structures in a defined format for database comparison / upgrade
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*
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* Copyright (c) 2022 OpenXE project
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*
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*/
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/*
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MariaDB [openxe]> SHOW FULL TABLES;
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+----------------------------------------------+------------+
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| Tables_in_openxe | Table_type |
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+----------------------------------------------+------------+
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| abrechnungsartikel | BASE TABLE |
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| abrechnungsartikel_gruppe | BASE TABLE |
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| abschlagsrechnung_rechnung | BASE TABLE |
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| accordion | BASE TABLE |
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| adapterbox | BASE TABLE |
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| adapterbox_log | BASE TABLE |
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| adapterbox_request_log | BASE TABLE |
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| adresse | BASE TABLE |
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| adresse_abosammelrechnungen | BASE TABLE |
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| adresse_accounts | BASE TABLE |
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| adresse_filter | BASE TABLE |
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| adresse_filter_gruppen | BASE TABLE |
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...
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MariaDB [openxe]> SHOW FULL COLUMNS FROM wiki;
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+-------------------+--------------+--------------------+------+-----+---------+----------------+---------------------------------+---------+
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| Field | Type | Collation | Null | Key | Default | Extra | Privileges | Comment |
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+-------------------+--------------+--------------------+------+-----+---------+----------------+---------------------------------+---------+
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| id | int(11) | NULL | NO | PRI | NULL | auto_increment | select,insert,update,references | |
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| name | varchar(255) | utf8mb3_general_ci | YES | MUL | NULL | | select,insert,update,references | |
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| content | longtext | utf8mb3_general_ci | NO | | NULL | | select,insert,update,references | |
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| lastcontent | longtext | utf8mb3_general_ci | NO | | NULL | | select,insert,update,references | |
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| wiki_workspace_id | int(11) | NULL | NO | | 0 | | select,insert,update,references | |
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| parent_id | int(11) | NULL | NO | | 0 | | select,insert,update,references | |
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| language | varchar(32) | utf8mb3_general_ci | NO | | | | select,insert,update,references | |
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+-------------------+--------------+--------------------+------+-----+---------+----------------+---------------------------------+---------+
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7 rows in set (0.002 sec)
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*/
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function implode_with_quote(string $quote, string $delimiter, array $array_to_implode) : string {
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return($quote.implode($quote.$delimiter.$quote, $array_to_implode).$quote);
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}
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$host = 'localhost';
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$user = 'openxe';
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$passwd = 'openxe';
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$schema = 'openxe';
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$target_folder = "export";
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$tables_file_name_wo_folder = "tables.txt";
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$delimiter = ";";
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$quote = '"';
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echo("\n");
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if ($argc >= 1) {
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if (in_array('-v', $argv)) {
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$verbose = true;
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} else {
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$verbose = false;
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}
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if (in_array('-f', $argv)) {
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$force = true;
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} else {
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$force = false;
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}
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/* if (strpos($argv[1],'-') == 0) {
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$module_name = $argv[1];
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} else {
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info();
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exit;
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}*/
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// First get the contents of the database table structure
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$mysqli = mysqli_connect($host, $user, $passwd, $schema);
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/* Check if the connection succeeded */
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if (!$mysqli) {
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echo "Connection failed\n";
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echo "Error number: " . mysqli_connect_errno() . "\n";
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echo "Error message: " . mysqli_connect_error() . "\n";
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exit;
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}
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echo "Successfully connected!\n";
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// Prepare files
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mkdir($target_folder);
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$tables_file_name = $target_folder."/".$tables_file_name_wo_folder;
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if (!$force && file_exists($tables_file_name)) {
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echo("File exists: " .$tables_file_name . "\n");
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echo("Use -f to force overwrite.\n");
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exit;
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}
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$tables_file = fopen($tables_file_name, "w");
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if (empty($tables_file)) {
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echo ("Failed to write to " . $tables_file_name."\n");
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exit();
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}
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// Get tables and views
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$tables = array();
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$sql = "SHOW FULL TABLES";
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$result = mysqli_query($mysqli, $sql);
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if (!$result) {
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echo "Query error: " . mysqli_error($mysqli);
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exit;
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}
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$colwidth = 0;
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while ($row = mysqli_fetch_assoc($result)) {
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$table = array();
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$table['name'] = $row['Tables_in_'.$schema];
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$table['type'] = $row['Table_type'];
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$tables[] = $table; // Add table to list of tables
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if (strlen($table['name']) > $colwidth) {
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$colwidth = strlen($table['name']);
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}
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}
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$pre_text = "Table name";
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echo(" | ".$pre_text);
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for ($filler = strlen($pre_text); $filler < $colwidth; $filler++) {
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echo(" ");
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}
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echo(" | ".'type'."\n");
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echo(" | ");
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for ($filler = 0; $filler < $colwidth; $filler++) {
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echo("-");
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}
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echo("\n");
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fwrite($tables_file, 'tablename'.$delimiter."type\n");
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foreach ($tables as $table) {
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echo(" | ".$table['name']);
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for ($filler = strlen($table['name']); $filler < $colwidth; $filler++) {
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echo(" ");
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}
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echo(" | ".$table['type']." |\n");
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fwrite($tables_file, $table['name'].$delimiter.$table['type']."\n");
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}
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fclose($tables_file);
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echo(" | ");
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for ($filler = 0; $filler < $colwidth; $filler++) {
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echo("-");
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}
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echo("\n");
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// Now export all colums of the tables
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$tablecount = 0;
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foreach ($tables as $table) {
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$table_file_name = $target_folder."/".$table['name'].".txt";
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if (!$force && file_exists($table_file_name)) {
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echo("File exists: " .$table_file_name . "\n");
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echo("Use -f to force overwrite.\n");
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exit;
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}
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$table_file = fopen($table_file_name, "w");
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if (empty($table_file)) {
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echo ("Failed to write to " . $table_file_name."\n");
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exit();
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}
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$sql = "SHOW FULL COLUMNS FROM ".$table['name'];
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$result = mysqli_query($mysqli, $sql);
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if (!$result) {
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echo "Query error: " . mysqli_error($mysqli);
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exit;
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}
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$first = true;
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while ($column = mysqli_fetch_assoc($result)) {
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if ($first) {
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fwrite($table_file,implode_with_quote($quote,$delimiter,array_keys($column))."\n");
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$first = false;
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}
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fwrite($table_file,implode_with_quote($quote,$delimiter,array_values($column))."\n");
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}
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$tablecount++;
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}
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echo("\nExported $tablecount tables.\n");
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echo("\n\nDone!\n");
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} else {
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info();
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exit;
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}
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function info() {
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echo("\nOpenXE database extractor\n");
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echo("Copyright 2022 (c) OpenXE project\n\n");
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echo("\n");
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echo("Export database structures in a defined format for database comparison / upgrade\n");
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echo("arg1: ..\n");
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echo("Options\n");
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echo("\t-v: verbose output\n");
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echo("\t-f: force override of existing files\n");
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echo("\t-c: select columns like this: -c col1,col2,col3,col3\n");
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echo("\n");
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}
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