Function GenerateNegationTerms

pg_documentdb/src/opclass/bson_gin_core.c:2109–2127

* Adds the Root terms for negation scenarios into the entries. */

 * Adds the Root terms for negation scenarios into the entries.
 */
static void
GenerateNegationTerms(Datum *entries, int nextIndex,
					  bool *partialMatch,
					  IndexTermCreateMetadata *termMetadata)
{
	/* non exists term. */
	entries[nextIndex] = GenerateRootNonExistsTerm(termMetadata);
	partialMatch[nextIndex] = false;
	nextIndex++;

	/* the next term generated is the root exists term */
	entries[nextIndex] = GenerateRootExistsTerm(termMetadata);
	partialMatch[nextIndex] = false;
	nextIndex++;

	/* the next term generated is the root term for back-compatibility */
	entries[nextIndex] = GenerateRootTerm(termMetadata);
	partialMatch[nextIndex] = false;
}


/*