Module

x/pg_mem/parser/expression-builder.ts>sqlSubstring

An in memory postgres DB instance for your unit tests
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function sqlSubstring
import { sqlSubstring } from "https://dotland.deno.dev/x/pg_mem@2.6.13/parser/expression-builder.ts";

Parameters

value: string
optional
from = [UNSUPPORTED]
optional
len: number | nil

Returns

string | null