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Diffstat (limited to 'src/test/regress/sql/regex.sql')
| -rw-r--r-- | src/test/regress/sql/regex.sql | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/test/regress/sql/regex.sql b/src/test/regress/sql/regex.sql index a1742240c4b..762b3ae69b2 100644 --- a/src/test/regress/sql/regex.sql +++ b/src/test/regress/sql/regex.sql @@ -135,6 +135,10 @@ select 'a' ~ '.. ()|\1'; select 'a' ~ '()*\1'; select 'a' ~ '()+\1'; +-- Test ancient oversight in when to apply zaptreesubs +select 'abcdef' ~ '^(.)\1|\1.' as f; +select 'abadef' ~ '^((.)\2|..)\2' as f; + -- Error conditions select 'xyz' ~ 'x(\w)(?=\1)'; -- no backrefs in LACONs select 'xyz' ~ 'x(\w)(?=(\1))'; |