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MDL-24339 workaround for broken parents in block instances

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Petr Skoda 2010-09-29 08:16:13 +00:00
parent 5a2543286f
commit b7b88c090d
1 changed files with 2 additions and 0 deletions
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2
lib/accesslib.php
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@ -5701,12 +5701,14 @@ function build_context_path($force=false) {
$DB->execute($sql);
// Blocks
// pctx.path IS NOT NULL prevents fatal problems with broken block instances that point to invalid context parent
$sql = "INSERT INTO {context_temp} (id, path, depth)
SELECT ctx.id, ".$DB->sql_concat('pctx.path', "'/'", 'ctx.id').", pctx.depth+1
FROM {context} ctx
JOIN {block_instances} bi ON ctx.instanceid = bi.id
JOIN {context} pctx ON bi.parentcontextid = pctx.id
WHERE ctx.contextlevel=".CONTEXT_BLOCK."
AND pctx.path IS NOT NULL
AND NOT EXISTS (SELECT 'x'
FROM {context_temp} temp
WHERE temp.id = ctx.id)