Backport #31742 to 21.10: Fix usage of Buffer table engine with type Map

This commit is contained in:
robot-clickhouse 2021-11-25 07:01:47 +00:00
parent c2e59cb324
commit 43a42d4a22
3 changed files with 37 additions and 1 deletions

View File

@ -263,7 +263,7 @@ void ColumnMap::getExtremes(Field & min, Field & max) const
void ColumnMap::forEachSubcolumn(ColumnCallback callback)
{
nested->forEachSubcolumn(callback);
callback(nested);
}
bool ColumnMap::structureEquals(const IColumn & rhs) const

View File

@ -0,0 +1,35 @@
#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CURDIR"/../shell_config.sh
$CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS t_buffer_map"
$CLICKHOUSE_CLIENT -q "CREATE TABLE t_buffer_map(m1 Map(String, UInt64), m2 Map(String, String)) ENGINE = Buffer('', '', 1, 1, 1, 1000000000000, 1000000000000, 1000000000000, 1000000000000)"
function insert1
{
while true; do
$CLICKHOUSE_CLIENT -q "INSERT INTO t_buffer_map SELECT (range(10), range(10)), (range(10), range(10)) from numbers(100)"
done
}
function select1
{
while true; do
$CLICKHOUSE_CLIENT -q "SELECT * FROM t_buffer_map" 2> /dev/null > /dev/null
done
}
TIMEOUT=10
export -f insert1
export -f select1
timeout $TIMEOUT bash -c insert1 &
timeout $TIMEOUT bash -c select1 &
wait
echo "OK"
$CLICKHOUSE_CLIENT -q "DROP TABLE t_buffer_map"