Function buildESHitRow

frontend/src/utils/sqlResult.ts:378–416

(
  hit: Record<string, unknown>,
  metaFields: string[],
  columnCount: number,
  columnIndexMap: Map<string, number>,
  columnTypeNames: string[]
)

// Builds a single QueryRow from an ES hit document.
const buildESHitRow = (
  hit: Record<string, unknown>,
  metaFields: string[],
  columnCount: number,
  columnIndexMap: Map<string, number>,
  columnTypeNames: string[]
): QueryRow => {
  const values: RowValue[] = Array.from({ length: columnCount }).map(() =>
    createProto(RowValueSchema, {
      kind: { case: "nullValue", value: NullValue.NULL_VALUE },
    })
  );

  for (const field of metaFields) {
    const idx = columnIndexMap.get(field);
    if (idx === undefined) continue;
    const val = hit[field];
    if (val != null) {
      const { value: formatted, type } = convertAnyToRowValue(val, false);
      values[idx] = formatted;
      columnTypeNames[idx] = type;
    }
  }

  const source = hit._source;
  if (source && typeof source === "object") {
    for (const [key, val] of Object.entries(source)) {
      const idx = columnIndexMap.get(key);
      if (idx === undefined) continue;
      if (val != null) {
        const { value: formatted, type } = convertAnyToRowValue(val, true);
        values[idx] = formatted;
        columnTypeNames[idx] = type;
      }
    }
  }

  return createProto(QueryRowSchema, { values });
};

/**
 * Transforms an Elasticsearch _search QueryResult into a tabular format.