| Bug #68934 | extractValue does not work correctly with xpath last() | ||
|---|---|---|---|
| Submitted: | 11 Apr 2013 14:21 | Modified: | 11 Apr 2013 20:19 |
| Reporter: | Zbyszek Wieczorek | Email Updates: | |
| Status: | Verified | Impact on me: | |
| Category: | MySQL Server: DML | Severity: | S3 (Non-critical) |
| Version: | 5.6.10 | OS: | Any |
| Assigned to: | CPU Architecture: | Any | |
| Tags: | extractvalue xpath last() | ||
[11 Apr 2013 14:22]
Zbyszek Wieczorek
last example shoud be:
mysql> Select EXTRACTVALUE('<c>1</c><c>2</c><c>3</c>','//c[last()]');
+--------------------------------------------------------+
| EXTRACTVALUE('<c>1</c><c>2</c><c>3</c>','//c[last()]') |
+--------------------------------------------------------+
| 3 |
+--------------------------------------------------------+
1 row in set (0.00 sec)
[11 Apr 2013 20:19]
MySQL Verification Team
Thank you for the bug report. Verified as described.

Description: extractValue does not work correctly with xpath last() How to repeat: mysql> Select EXTRACTVALUE('<a><b><c>1</c></b><b><c>2</c></b><b><c>3</c></b></a>','//c'); +----------------------------------------------------------------------------+ | EXTRACTVALUE('<a><b><c>1</c></b><b><c>2</c></b><b><c>3</c></b></a>','//c') | +----------------------------------------------------------------------------+ | 1 2 3 | +----------------------------------------------------------------------------+ 1 row in set (0.00 sec) this works fine, but combination with xpath last() fails mysql> Select EXTRACTVALUE('<a><b><c>1</c></b><b><c>2</c></b><b><c>3</c></b></a>','//c[last()]'); +------------------------------------------------------------------------------------+ | EXTRACTVALUE('<a><b><c>1</c></b><b><c>2</c></b><b><c>3</c></b></a>','//c[last()]') | +------------------------------------------------------------------------------------+ | | +------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) with simpler xml this wokrs fine mysql> Select EXTRACTVALUE('<a><b><c>1</c></b><b><c>2</c></b><b><c>3</c></b></a>','//c[last()]'); +------------------------------------------------------------------------------------+ | EXTRACTVALUE('<a><b><c>1</c></b><b><c>2</c></b><b><c>3</c></b></a>','//c[last()]') | +------------------------------------------------------------------------------------+ | | +------------------------------------------------------------------------------------+ 1 row in set (0.00 sec)