fix(postgres): skip literals and comments when numbering placeholders

docs/guide/where.mdmodified+5-0

Changes to docs/guide/where.md

		⋯238 linesShow the 238 lines above this hunk@@ -239,6 +239,11 @@ const tagged = await Post.query()
239	239	.get()
240	240	```
241	241
	242	+A `?` inside a string literal, quoted identifier or comment is not a
	243	+placeholder. Postgres' jsonb `?`, `?|` and `?&` operators can't be told apart
	244	+from placeholders, so use their function forms, `jsonb_exists(tags, ?)`,
	245	+`jsonb_exists_any(tags, ?)` and `jsonb_exists_all(tags, ?)`.
	246	+
242	247	## Date Conditions
243	248
244	249	```typescript