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[ticket/9892] column & index name limits, firebird auto increment in db_tools

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- Column names are limited to 30 characters
- Index names are limited to 31 characters.
  On some dbms the index name contains both table name and actual index name
  so the limit applies to the sum of the lenghts of table name and index name.
- Auto incremented column names are limited to 26 characters to provide an
  additional 4 characters for sequence names

The code for firebird auto increment support using generators/sequences with
triggers was copied from create_schema_files.php

PHPBB3-9892
This commit is contained in:
Nils Adermann
2011-06-12 01:21:55 +02:00
parent bf2125f0f7
commit 418c3d546a
3 changed files with 69 additions and 3 deletions
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16
phpBB/develop/create_schema_files.php
View File

@@ -329,6 +329,15 @@ foreach ($supported_dbms as $dbms)
// Write columns one by one...
foreach ($table_data['COLUMNS'] as $column_name => $column_data)
{
if (strlen($column_name) > 30)
{
trigger_error("Column name '$column_name' on table '$table_name' is too long. The maximum is 30 characters.", E_USER_ERROR);
}
if (isset($column_data[2]) && $column_data[2] == 'auto_increment' && strlen($column_name) > 26) // "${column_name}_gen"
{
trigger_error("Index name '${column_name}_gen' on table '$table_name' is too long. The maximum is 30 characters.", E_USER_ERROR);
}
// Get type
if (strpos($column_data[0], ':') !== false)
{
@@ -632,6 +641,11 @@ foreach ($supported_dbms as $dbms)
$key_data[1] = array($key_data[1]);
}
if (strlen($table_name . $key_name) > 30)
{
trigger_error("Index name '$key_name' on table '$table_name' is too long. The maximum is 30 characters.", E_USER_ERROR);
}
switch ($dbms)
{
case 'mysql_40':
@@ -2067,4 +2081,4 @@ EOF;
echo 'done';
?>
?>