Wrong Results on JSON Query.
(Doc ID 2301973.1)
Last updated on APRIL 12, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 12.1.0.2 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
A JSON Query is giving wrong results.
Actaul Output:
============
SQL> SELECT jt.* FROM dac_t, JSON_TABLE(jdoc, '$' COLUMNS ("a" VARCHAR2(5) PATH '$.a', NESTED PATH '$.b[*]' COLUMNS ("c" VARCHAR2(5) PATH '$.c',"seq" FOR ORDINALITY, NESTED PATH '$.d[*]' COLUMNS ("d" NUMBER PATH '$')))) jt;
A C SEQ D
----- ----- ---------- ----------
a1 c1 1 1
a1 c1 2 2
a2 c2 1 3
a2 c2 2 4
Expected Output:
===============
SQL> SELECT jt.* FROM dac_t, JSON_TABLE(jdoc, '$' COLUMNS ("a" VARCHAR2(5) PATH '$.a', NESTED PATH '$.b[*]' COLUMNS ("c" VARCHAR2(5) PATH '$.c',"seq" FOR ORDINALITY, NESTED PATH '$.d[*]' COLUMNS ("d" NUMBER PATH '$')))) jt;
A C SEQ D
----- ----- ---------- ----------
a1 c1 1 1
a1 c1 1 2
a2 c2 1 3
a2 c2 2 4
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |