Add string functions: concat(), concat_ws(), left(), right(), and reverse().
Itagaki Takahiro <itagaki.takahiro@gmail.com>
Add string functions: concat(), concat_ws(), left(), right(), and reverse(). Pavel Stehule, reviewed by me.
Files
| Path | Change | +/− |
|---|---|---|
| doc/src/sgml/func.sgml | modified | +84 −1 |
| src/backend/utils/adt/varlena.c | modified | +147 −1 |
| src/include/catalog/catversion.h | modified | +2 −2 |
| src/include/catalog/pg_proc.h | modified | +11 −1 |
| src/include/utils/builtins.h | modified | +7 −1 |
| src/test/regress/expected/text.out | modified | +67 −0 |
| src/test/regress/sql/text.sql | modified | +13 −0 |