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OpenXE/tools/database_compare/database_compare.php

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PHP
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<?php
/*
* Helper to compare database structures from files vs. database
*
* Copyright (c) 2022 OpenXE project
*
*/
/*
MariaDB [openxe]> SHOW FULL db_def;
+----------------------------------------------+------------+
| Tables_in_openxe | Table_type |
+----------------------------------------------+------------+
| abrechnungsartikel | BASE TABLE |
| abrechnungsartikel_gruppe | BASE TABLE |
| abschlagsrechnung_rechnung | BASE TABLE |
| accordion | BASE TABLE |
| adapterbox | BASE TABLE |
| adapterbox_log | BASE TABLE |
| adapterbox_request_log | BASE TABLE |
| adresse | BASE TABLE |
| adresse_abosammelrechnungen | BASE TABLE |
| adresse_accounts | BASE TABLE |
| adresse_filter | BASE TABLE |
| adresse_filter_gruppen | BASE TABLE |
...
MariaDB [openxe]> SHOW FULL COLUMNS FROM wiki;
+-------------------+--------------+--------------------+------+-----+---------+----------------+---------------------------------+---------+
| Field | Type | Collation | Null | Key | Default | Extra | Privileges | Comment |
+-------------------+--------------+--------------------+------+-----+---------+----------------+---------------------------------+---------+
| id | int(11) | NULL | NO | PRI | NULL | auto_increment | select,insert,update,references | |
| name | varchar(255) | utf8mb3_general_ci | YES | MUL | NULL | | select,insert,update,references | |
| content | longtext | utf8mb3_general_ci | NO | | NULL | | select,insert,update,references | |
| lastcontent | longtext | utf8mb3_general_ci | NO | | NULL | | select,insert,update,references | |
| wiki_workspace_id | int(11) | NULL | NO | | 0 | | select,insert,update,references | |
| parent_id | int(11) | NULL | NO | | 0 | | select,insert,update,references | |
| language | varchar(32) | utf8mb3_general_ci | NO | | | | select,insert,update,references | |
+-------------------+--------------+--------------------+------+-----+---------+----------------+---------------------------------+---------+
MariaDB [openxe]> show keys from wiki;
+-------+------------+----------+--------------+-------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+---------+
| Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment | Ignored |
+-------+------------+----------+--------------+-------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+---------+
| wiki | 0 | PRIMARY | 1 | id | A | 244 | NULL | NULL | | BTREE | | | NO |
| wiki | 0 | suche | 1 | name | A | 244 | NULL | NULL | YES | BTREE | | | NO |
| wiki | 0 | suche | 2 | wiki_workspace_id | A | 244 | NULL | NULL | | BTREE | | | NO |
| wiki | 1 | name | 1 | name | A | 244 | NULL | NULL | YES | BTREE | | | NO |
+-------+------------+----------+--------------+-------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+---------+
*/
require('mustal_mysql_upgrade_tool.php');
$connection_info_file_name = "connection_info.json";
$target_folder = ".";
$tables_file_name_wo_folder = "db_schema.json";
$tables_file_name_w_folder = $target_folder."/".$tables_file_name_wo_folder;
$delimiter = ";";
$quote = '"';
$sql_file_name = "upgrade.sql";
$color_red = "\033[31m";
$color_green = "\033[32m";
$color_yellow = "\033[33m";
$color_default = "\033[39m";
// -------------------------------- START
echo("\n");
if ($argc > 1) {
if (in_array('-v', $argv)) {
$verbose = true;
} else {
$verbose = false;
}
if (in_array('-f', $argv)) {
$force = true;
} else {
$force = false;
}
if (in_array('-e', $argv)) {
$export = true;
} else {
$export = false;
}
if (in_array('-c', $argv)) {
$compare = true;
} else {
$compare = false;
}
if (in_array('-i', $argv)) {
$onlytables = true;
} else {
$onlytables = false;
}
if (in_array('-upgrade', $argv)) {
$upgrade = true;
} else {
$upgrade = false;
}
if (in_array('-do', $argv)) {
$doupgrade = true;
} else {
$doupgrade = false;
}
if (in_array('-clean', $argv)) {
$clean = true;
} else {
$clean = false;
}
$connection_info_contents = file_get_contents($connection_info_file_name);
if (!$connection_info_contents) {
echo("Unable to load $connection_info_file_name\n");
exit;
}
$connection_info = json_decode($connection_info_contents, true);
$host = $connection_info['host'];
$user = $connection_info['user'];
$passwd = $connection_info['passwd'];
$schema = $connection_info['database'];
echo("--------------- Loading from database '$schema@$host'... ---------------\n");
$db_def = mustal_load_tables_from_db($host, $schema, $user, $passwd, $mustal_replacers);
if (empty($db_def)) {
echo ("Could not load from $schema@$host\n");
exit;
}
echo("--------------- Loading from database '$schema@$host' complete. ---------------\n");
if ($export) {
echo("--------------- Export to JSON... ---------------\n");
// $result = save_tables_to_csv($db_def, $target_folder, $tables_file_name_wo_folder, $delimiter, $quote, $keys_postfix, $force);
$result = mustal_save_tables_to_json($db_def, $target_folder, $tables_file_name_wo_folder, $force);
if ($result != 0) {
$result_texts = array("ok","key postfix error","table list file error","table file error","key file error");
echo ("Could not save to JSON (".$result_texts[$result]."). To overwrite, use -f.\n");
exit;
}
echo("Exported ".count($db_def['tables'])." tables.\n");
echo("--------------- Export to JSON ($tables_file_name_w_folder) complete. ---------------\n");
}
if ($compare || $upgrade) {
// Results here as ['text'] ['diff']
$compare_differences = array();
echo("--------------- Loading from JSON... ---------------\n");
$compare_def = mustal_load_tables_from_json($target_folder, $tables_file_name_wo_folder);
if (empty($compare_def)) {
echo ("Could not load from JSON $tables_file_name_w_folder\n");
exit;
}
echo("--------------- Loading from JSON complete. ---------------\n");
// Do the comparison
/*
echo("--------------- Comparing JSON '".$compare_def['database']."@".$compare_def['host']."' vs. database '$schema@$host' ---------------\n");
echo(count($compare_def['tables'])." tables in JSON, ".count($db_def['tables'])." tables in database.\n");
$compare_differences = compare_table_array($db_def,"in DB",$compare_def,"in JSON",false);
echo("Comparison found ".(empty($compare_differences)?0:count($compare_differences))." differences.\n");
if ($verbose) {
foreach ($compare_differences as $compare_difference) {
$comma = "";
foreach ($compare_difference as $key => $value) {
echo($comma."$key => '$value'");
$comma = ", ";
}
echo("\n");
}
}*/
echo("--------------- Comparing database '$schema@$host' vs. JSON '".$compare_def['database']."@".$compare_def['host']."' ---------------\n");
$compare_differences = mustal_compare_table_array($compare_def,"in JSON",$db_def,"in DB",true);
echo((empty($compare_differences)?0:count($compare_differences))." differences.\n");
if ($verbose) {
foreach ($compare_differences as $compare_difference) {
$comma = "";
foreach ($compare_difference as $key => $value) {
echo($comma."$key => [$value]");
$comma = ", ";
}
echo("\n");
}
}
echo("--------------- Comparison complete. ---------------\n");
}
if ($upgrade) {
// First create all db_def that are missing in the db
echo("--------------- Calculating database upgrade for '$schema@$host'... ---------------\n");
$upgrade_sql = array();
$result = mustal_calculate_db_upgrade($compare_def, $db_def, $upgrade_sql, $mustal_replacers);
if ($result != 0) {
echo("Error: $result\n");
exit;
}
if (!empty($result)) {
echo(count($result)." errors.\n");
if ($verbose) {
foreach($result as $error) {
echo("Code: ".$error[0]." '".$error[1]."'.");
}
}
return(-1);
}
echo("--------------- Database upgrade for '$schema@$host'... ---------------\n");
if ($verbose) {
foreach($upgrade_sql as $statement) {
echo($statement."\n");
}
}
echo(count($upgrade_sql)." upgrade statements\n");
echo("--------------- Database upgrade calculated for '$schema@$host' (show SQL with -v). ---------------\n");
if ($doupgrade) {
echo("--------------- Executing database upgrade for '$schema@$host' database will be written! ---------------\n");
// First get the contents of the database table structure
$mysqli = mysqli_connect($host, $user, $passwd, $schema);
/* Check if the connection succeeded */
if (!$mysqli) {
echo ("Failed to connect!\n");
} else {
$counter = 0;
$error_counter = 0;
$number_of_statements = count($upgrade_sql);
foreach ($upgrade_sql as $sql) {
$counter++;
echo("\rUpgrade step $counter of $number_of_statements... ");
if ($verbose) {
echo("(".substr($sql,0,100)."...) ");
}
$query_result = mysqli_query($mysqli, $sql);
if (!$query_result) {
$error = " not ok: ". mysqli_error($mysqli)."\n";
echo($error);
file_put_contents("./errors.txt",$error.$sql."\n",FILE_APPEND);
$error_counter++;
} else {
echo("ok.\r");
}
}
echo("--------------- Executing database upgrade for '$schema@$host' executed. ---------------\n");
echo("$error_counter errors.\n");
echo("--------------- Executing database upgrade for '$schema@$host' done. ---------------\n");
echo("--------------- Checking database upgrade for '$schema@$host'... ---------------\n");
$db_def = mustal_load_tables_from_db($host, $schema, $user, $passwd, $mustal_replacers);
echo("--------------- Comparing database '$schema@$host' vs. JSON '".$compare_def['database']."@".$compare_def['host']."' ---------------\n");
$compare_differences = mustal_compare_table_array($compare_def,"in JSON",$db_def,"in DB",true);
echo((empty($compare_differences)?0:count($compare_differences))." differences.\n");
}
}
} // upgrade
echo("--------------- Done. ---------------\n");
echo("\n");
} else {
info();
exit;
}
function info() {
echo("OpenXE database compare\n");
echo("Copyright 2022 (c) OpenXE project\n");
echo("\n");
echo("Export database structures in a defined format for database comparison / upgrade\n");
echo("Options:\n");
echo("\t-v: verbose output\n");
echo("\t-f: force override of existing files\n");
echo("\t-e: export database structure to files\n");
echo("\t-c: compare content of files with database structure\n");
echo("\t-i: ignore column definitions\n");
echo("\t-upgrade: Create the needed SQL to upgrade the database to match the JSON\n");
echo("\t-do: Execute the SQL to upgrade the database to match the JSON (risky!)\n");
echo("\t-clean: (not yet implemented) Create the needed SQL to remove items from the database not in the JSON\n");
echo("\n");
}
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