Grammatical mistake

Added function `getMacro`

Rename yandex → ClickHouse

Dictionaries ddl parser

Serialize Null Fields correctly in DataTypeNullable.

Make sure dh_clean not touch potential source files.

added groupBitmapAnd, groupBitmapOr, groupBitmapXor

Include Field.h and FieldVisitor.h into fewer files.

Lazy Database

Fix uniqCombined() result for >UINT_MAX values (return UInt64 to avoid overflow)

Merging "Optimize empty IN subquery and empty INNER/RIGHT JOIN"

Accept multiple test filter arguments in clickhouse-test.

Sometimes it is more convenient to supply space-separated test names
without having to concatenate them into one regex with pipes.