database/mariadb-columnstore-engine
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Add support for zero date separate to NULL

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NULL is now pushed through the MariaDB storage engine plugin down to the
insert processing. A '0000-00-00' date is now a separate value to NULL.

This is more in-line with MariaDB's handling.
This commit is contained in:
Andrew Hutchings
2016-08-30 16:26:36 +01:00
parent 9a76bfc0f3
commit 25851df89d
16 changed files with 34 additions and 37 deletions
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13
writeengine/server/we_dmlcommandproc.cpp
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@ -215,7 +215,9 @@ uint8_t WE_DMLCommandProc::processSingleInsert(messageqcpp::ByteStream& bs, std:
for ( uint32_t i=0; i < origVals.size(); i++ )
{
tmpStr = origVals[i];
if ( tmpStr.length() == 0 )
isNULL = columnPtr->get_isnull();
if ( isNULL || ( tmpStr.length() == 0 ) )
isNULL = true;
else
isNULL = false;
@ -266,7 +268,9 @@ uint8_t WE_DMLCommandProc::processSingleInsert(messageqcpp::ByteStream& bs, std:
for ( uint32_t i=0; i < origVals.size(); i++ )
{
indata = origVals[i];
if ( indata.length() == 0 )
isNULL = columnPtr->get_isnull();
if ( isNULL || ( indata.length() == 0 ) )
isNULL = true;
else
isNULL = false;
@ -313,11 +317,6 @@ uint8_t WE_DMLCommandProc::processSingleInsert(messageqcpp::ByteStream& bs, std:
if (colType.constraintType == CalpontSystemCatalog::NOTNULL_CONSTRAINT)
{
if (((colType.colDataType == execplan::CalpontSystemCatalog::DATE) && (indata =="0000-00-00")) ||
((colType.colDataType == execplan::CalpontSystemCatalog::DATETIME) && (indata =="0000-00-00 00:00:00")))
{
isNULL = true;
}
if (isNULL && colType.defaultValue.empty()) //error out
{
Message::Args args;