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Merge pull request #164 from mariadb-corporation/MCOL-697

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MCOL-697 Limit the return length for LONGBLOB
This commit is contained in:
dhall-InfiniDB
2017-05-03 17:18:49 -05:00
committed by GitHub
parent 6915629c73 e03267ae4b
commit 1c2a8fccf3
1 changed files with 9 additions and 1 deletions
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10
dbcon/mysql/ha_calpont_execplan.cpp
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@ -2230,7 +2230,15 @@ CalpontSystemCatalog::ColType colType_MysqlToIDB (const Item* item)
break;
case STRING_RESULT:
ct.colDataType = CalpontSystemCatalog::VARCHAR;
ct.colWidth = item->max_length;
// MCOL-697 the longest TEXT we deal with is 2100000000 so
// limit to that. Otherwise for LONGBLOB ct.colWidth ends
// up being -1 and demons eat your data and first born
// (or you just get truncated to 20 bytes with the 'if'
// below)
if (item->max_length < 2100000000)
ct.colWidth = item->max_length;
else
ct.colWidth = 2100000000;
// force token
if (item->type() == Item::FUNC_ITEM)
{