Function: overlay(text, text, integer, integer)
Function: overlay(text, text, integer, integer)
| Name: | overlay |
| Specific name: | overlay(text, text, integer, integer) |
| Owner: | postgres |
| Argument count: | 4 |
| Return type: | text |
| Language: | sql |
| Return a set: | |
| Source: | select pg_catalog.substring($1, 1, ($3 - 1)) || $2 || pg_catalog.substring($1, ($3 + $4)) |
| Volatility: | |
| Security of definer: | |
| Strict: | |
| Comment: | substitute portion of string |
See Also
List of functions