Function compileGroupedSelectObject

packages/db/src/query/compiler/group-by.ts:873–915

(
  obj: Select,
)

}

function compileGroupedSelectObject(
  obj: Select,
): (row: NamespacedRow) => Record<string, any> {
  const entries = Object.entries(obj).map(([key, value]) => {
    if (key.startsWith(`__SPREAD_SENTINEL__`)) {
      const rest = key.slice(`__SPREAD_SENTINEL__`.length)
      const splitIndex = rest.lastIndexOf(`__`)
      const pathStr = splitIndex >= 0 ? rest.slice(0, splitIndex) : rest
      const isRefExpr =
        typeof value === `object` && `type` in value && value.type === `ref`
      const expression = isRefExpr
        ? (value as BasicExpression)
        : (new PropRef(pathStr.split(`.`)) as BasicExpression)

      return {
        key,
        spread: true,
        value: compileExpression(expression),
      }
    }

    return {
      key,
      spread: false,
      value: compileGroupedSelectValue(value as SelectValueExpression),
    }
  })

  return (row) => {
    const result: Record<string, any> = {}
    for (const entry of entries) {
      const value = entry.value(row)
      if (entry.spread) {
        if (value && typeof value === `object`) {
          Object.assign(result, value)
        }
      } else {
        result[entry.key] = value
      }
    }
    return result
  }
}

function compileGroupedConditionalSelect(
  conditional: ConditionalSelect,