Parameters
| Name | Type | Mode |
|---|---|---|
| $1 | USER-DEFINED | IN |
| $2 | double precision | IN |
| $3 | double precision | IN |
args: a_linestring, startfraction, endfraction - Return a linestring being a substring of the input one starting and ending at the given fractions of total 2d length. Second and third arguments are float8 values between 0 and 1.
| Name | Type | Mode |
|---|---|---|
| $1 | USER-DEFINED | IN |
| $2 | double precision | IN |
| $3 | double precision | IN |