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Documentation
/ Specification
/ Tables
ducklake_column_tag
Columns can also have tags, those are defined in this table.
| Column name | Column type | |
|---|---|---|
table_id |
BIGINT |
|
column_id |
BIGINT |
|
begin_snapshot |
BIGINT |
|
end_snapshot |
BIGINT |
|
key |
VARCHAR |
|
value |
VARCHAR |
table_idrefers to atable_idfrom theducklake_tabletable.column_idrefers to acolumn_idfrom theducklake_columntable.begin_snapshotrefers to asnapshot_idfrom theducklake_snapshottable. The tag is valid starting with this snapshot id.end_snapshotrefers to asnapshot_idfrom theducklake_snapshottable. The tag is valid up to but not including this snapshot id. Ifend_snapshotisNULL, the tag is currently valid.keyis an arbitrary key string. The key can't beNULL.valueis the arbitrary value string.