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Merge pull request #6952 from dolthub/steph/import-nulls

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Importing `NULL` doesn't violate foreign key constraints
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stephanie
2023-11-06 13:26:25 -08:00
committed by GitHub
parent e7d6082cf4 15b42980c4
commit 5f23fd70de
1 changed files with 37 additions and 0 deletions
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integration-tests/bats/import-create-tables.bats
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@@ -812,3 +812,40 @@ DELIM
[ "${lines[0]}" = "On branch main" ]
[ "${lines[1]}" = "nothing to commit, working tree clean" ]
}
@test "import-create-tables: import null foreign key value does not violate constraint" {
cat <<DELIM > test.csv
id, state_id, data
1,,poop
DELIM
dolt sql <<SQL
CREATE TABLE states (
id int NOT NULL,
abbr char(2),
PRIMARY KEY (id)
);
CREATE TABLE data (
id int NOT NULL,
state_id int,
data varchar(500),
PRIMARY KEY (id),
KEY state_id (state_id),
CONSTRAINT d4jibcjf FOREIGN KEY (state_id) REFERENCES states (id)
);
SQL
run dolt sql -q "insert into data values (0, NULL, 'poop')"
[ "$status" -eq 0 ]
run dolt sql -q "select * from data"
[ "$status" -eq 0 ]
[[ "$output" =~ "| 0 | NULL | poop |" ]] || false
run dolt table import -u data test.csv
[ "$status" -eq 0 ]
[[ "$output" =~ "Import completed successfully." ]] || false
run dolt sql -q "select * from data"
[ "$status" -eq 0 ]
[[ "$output" =~ "| 0 | NULL | poop |" ]] || false
[[ "$output" =~ "| 1 | NULL | poop |" ]] || false
}