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This commit is contained in:
alesapin 2020-03-30 17:40:43 +03:00
parent 8f91892d7b
commit a9b675297e
3 changed files with 11 additions and 3 deletions
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2
dbms/src/Storages/MergeTree/MergeTreeDataMergerMutator.cpp
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@ -1114,9 +1114,7 @@ MergeTreeData::MutableDataPartPtr MergeTreeDataMergerMutator::mutatePartToTempor
for (const auto & [rename_from, rename_to] : files_to_rename)
{
if (rename_to.empty() && new_data_part->checksums.files.count(rename_from))
{
new_data_part->checksums.files.erase(rename_from);
}
else if (new_data_part->checksums.files.count(rename_from))
{
new_data_part->checksums.files[rename_to] = new_data_part->checksums.files[rename_from];

3
dbms/tests/queries/0_stateless/01213_alter_rename_column.reference
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@ -2,3 +2,6 @@
1
date key renamed_value1 value2 value3
2019-10-02 1 1 1 1
7 7
date key renamed_value1 renamed_value2 renamed_value3
2019-10-02 7 7 7 7

9
dbms/tests/queries/0_stateless/01213_alter_rename_column.sql
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@ -24,6 +24,13 @@ SELECT * FROM table_for_rename WHERE key = 1 FORMAT TSVWithNames;
ALTER TABLE table_for_rename RENAME COLUMN value3 to value2; --{serverError 15}
ALTER TABLE table_for_rename RENAME COLUMN value3 TO r1, RENAME COLUMN value3 TO r2; --{serverError 36}
ALTER TABLE table_for_rename RENAME COLUMN value3 TO r1, RENAME COLUMN r1 TO value1; --{serverError 36}
ALTER TABLE table_for_rename RENAME COLUMN value3 TO r1, RENAME COLUMN r1 TO value1; --{serverError 10}
ALTER TABLE table_for_rename RENAME COLUMN value2 TO renamed_value2, RENAME COLUMN value3 TO renamed_value3;
SELECT renamed_value2, renamed_value3 FROM table_for_rename WHERE key = 7;
SELECT * FROM table_for_rename WHERE key = 7 FORMAT TSVWithNames;
DROP TABLE IF EXISTS table_for_rename;