Dereferencing of the null pointer 'block'

[pavel-pimenov]

V522 [CWE-476] Dereferencing of the null pointer 'block' might take place. string.cpp 267

clickhouse-cpp/clickhouse/columns/string.cpp

Line 267 in 85dae8e

if (blocks_.size() == 0 || len > block->GetAvailable())

[Enmk]

That is a false positive, block can be nullptr only if blocks_.size() == 0.