Function join

repos/effect/packages/effect/src/unstable/sql/Statement.ts:654–684

(lit: string, addParens = true, fallback = "")

    }

    if (strings[i + 1].length > 0) {
      segments.push(literal(strings[i + 1]))
    }
  }

  return makeUnsafe(segments, acquirer, compiler, spanAttributes, transformRows, borrower)
}

/**
 * Creates a helper that joins SQL clauses with a literal separator, optionally
 * wrapping multiple clauses in parentheses and using a fallback for an empty
 * list.
 *
 * @category constructors
 * @since 4.0.0
 */
export function join(lit: string, addParens = true, fallback = "") {
  const literalStatement = literal(lit)
  const fallbackFragment = fragment([literal(fallback)])

  return (clauses: ReadonlyArray<string | Fragment>): Fragment => {
    if (clauses.length === 0) {
      return fallbackFragment
    } else if (clauses.length === 1) {
      return fragment(convertLiteralOrFragment(clauses[0]))
    }

    const segments: Array<Segment> = []

    if (addParens) {
      segments.push(literal("("))
    }

    segments.push.apply(segments, convertLiteralOrFragment(clauses[0]))