database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-08-08 14:22:09 +03:00
Code Activity

MCOL-701 stop join on BLOB columns

Browse Source 
Joins on BLOB columns aren't yet possible due to string pointers used.
This gives a meaningful error for it.
This commit is contained in:
Andrew Hutchings
2017-05-05 12:40:24 +01:00
parent a6dfc3c366
commit 82c983ec62
2 changed files with 10 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
dbcon/joblist/expressionstep.cpp
View File

@@ -555,7 +555,10 @@ void ExpressionStep::substitute(uint64_t i, const SSC& ssc)
void ExpressionStep::functionJoinCheck(SimpleFilter* sf, JobInfo& jobInfo)
{
// only handle one & only one table at each side, and not the same table
if ((sf->lhs()->resultType().colDataType == CalpontSystemCatalog::VARBINARY ||
sf->lhs()->resultType().colDataType == CalpontSystemCatalog::BLOB) && !fVarBinOK)
throw runtime_error("VARBINARY/BLOB in join is not supported.");
// only handle one & only one table at each side, and not the same table
fFunctionJoinInfo.reset(new FunctionJoinInfo);
if ((parseFuncJoinColumn(sf->lhs(), jobInfo) == false) ||
(parseFuncJoinColumn(sf->rhs(), jobInfo) == false) ||