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Skip oversized index alters to avoid key length 3072 errors

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DevSoftTech Server 2026-03-04 03:27:17 +05:30
parent 2419d0df7b
commit a18bc7a0bf
1 changed files with 91 additions and 0 deletions
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91
app/Controllers/Setup.php
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@ -862,6 +862,10 @@ class Setup extends BaseController
continue;
}
if ($this->isIndexTooWideForInnoDb((array) $masterDef, $clientCols)) {
continue;
}
if ($this->shouldSkipUniqueIndexSync($client, $table, (array) $masterDef, $clientCols)) {
continue;
}
@ -875,6 +879,10 @@ class Setup extends BaseController
continue;
}
if ($this->isIndexTooWideForInnoDb((array) $masterDef, $clientCols)) {
continue;
}
if ($this->shouldSkipUniqueIndexSync($client, $table, (array) $masterDef, $clientCols)) {
continue;
}
@ -1371,9 +1379,92 @@ class Setup extends BaseController
return true;
}
if (str_contains($messageLower, 'specified key was too long') && str_contains($messageLower, 'max key length is 3072') && str_contains($stmtLower, 'alter table')) {
return true;
}
return false;
}
/**
* @param array<string, mixed> $idxDef
* @param array<string, array<string, mixed>> $clientCols
*/
private function isIndexTooWideForInnoDb(array $idxDef, array $clientCols): bool
{
$columns = array_values(array_filter(array_map(static fn ($col) => (string) $col, (array) ($idxDef['columns'] ?? []))));
if (empty($columns)) {
return false;
}
$totalBytes = 0;
foreach ($columns as $column) {
$colMeta = $clientCols[$column] ?? null;
if (!is_array($colMeta)) {
return false;
}
$totalBytes += $this->estimateIndexedColumnBytes($colMeta);
if ($totalBytes > 3072) {
return true;
}
}
return $totalBytes > 3072;
}
/**
* @param array<string, mixed> $colMeta
*/
private function estimateIndexedColumnBytes(array $colMeta): int
{
$type = strtolower(trim((string) ($colMeta['Type'] ?? '')));
$collation = strtolower(trim((string) ($colMeta['Collation'] ?? '')));
$bytesPerChar = 1;
if ($collation !== '') {
if (str_starts_with($collation, 'utf32_')) {
$bytesPerChar = 4;
} elseif (str_starts_with($collation, 'utf8mb4_')) {
$bytesPerChar = 4;
} elseif (str_starts_with($collation, 'utf8mb3_') || str_starts_with($collation, 'utf8_')) {
$bytesPerChar = 3;
} elseif (str_starts_with($collation, 'ucs2_')) {
$bytesPerChar = 2;
}
}
if (preg_match('/^(char|varchar)\((\d+)\)/i', $type, $m) === 1) {
return (int) $m[2] * $bytesPerChar;
}
if (preg_match('/^(binary|varbinary)\((\d+)\)/i', $type, $m) === 1) {
return (int) $m[2];
}
if (preg_match('/^tinytext|^text|^mediumtext|^longtext|^tinyblob|^blob|^mediumblob|^longblob/i', $type) === 1) {
return 4096;
}
if (preg_match('/^tinyint/i', $type) === 1) {
return 1;
}
if (preg_match('/^smallint/i', $type) === 1) {
return 2;
}
if (preg_match('/^mediumint/i', $type) === 1) {
return 3;
}
if (preg_match('/^(int|integer)/i', $type) === 1) {
return 4;
}
if (preg_match('/^bigint/i', $type) === 1) {
return 8;
}
return 64;
}
/**
* @param array<string, mixed> $idxDef
* @param array<string, array<string, mixed>> $clientCols