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report parse error when parsing JSON histogram fails

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Signed-off-by: Michael Okoko <okokomichaels@outlook.com>
This commit is contained in:
Michael Okoko
2021-08-05 23:49:44 +01:00
committed by Sergei Petrunia
parent fe2e516a50
commit e778d12f83
4 changed files with 77 additions and 68 deletions
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13
mysql-test/main/statistics_json.test
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@ -28,6 +28,19 @@ set histogram_size=10;
ANALYZE TABLE t1 PERSISTENT FOR ALL;
SELECT * FROM mysql.column_stats WHERE table_name='t1';
SELECT * FROM t1;
# We then test different valid JSON strings that are invalid histograms.
UPDATE mysql.column_stats SET histogram='["1", {"a": "b"}, "2"]' WHERE table_name='t1';
FLUSH TABLES;
--error ER_JSON_HISTOGRAM_PARSE_FAILED
SELECT * FROM t1;
UPDATE mysql.column_stats SET histogram='{}' WHERE table_name='t1';
FLUSH TABLES;
--error ER_JSON_HISTOGRAM_PARSE_FAILED
SELECT * FROM t1;
DELETE FROM mysql.column_stats;
DROP TABLE t1;