d0eec89 · squeal · git.iko.soy

1469 sum_

1470 :: ty `In` PGNum

1471 => expr1 (nullity ty)

1472− -> aggr (nullity ty)

1472+ -> aggr ('Null ty)

1473

1474 -- | input values, including nulls, concatenated into an array

1475 arrayAgg

1476 :: expr1 ty

1477− -> aggr ('NotNull ('PGvararray ty))

1477+ -> aggr ('Null ('PGvararray ty))

1478

1479 -- | aggregates values as a JSON array

1480 jsonAgg

1481 :: expr1 ty

1482− -> aggr ('NotNull 'PGjson)

1482+ -> aggr ('Null 'PGjson)

1483

1484 -- | aggregates values as a JSON array

1485 jsonbAgg

1486 :: expr1 ty

1487− -> aggr ('NotNull 'PGjsonb)

1487+ -> aggr ('Null 'PGjsonb)

1488

1489 -- | >>> :{

1490 -- let

1497 :: int `In` PGIntegral

1498 => expr1 (nullity int)

1499 -- ^ what to aggregate

1500− -> aggr (nullity int)

1500+ -> aggr ('Null int)

1501

1502 -- | >>> :{

1503 -- let

1510 :: int `In` PGIntegral

1511 => expr1 (nullity int)

1512 -- ^ what to aggregate

1513− -> aggr (nullity int)

1513+ -> aggr ('Null int)

1514

1515 -- | >>> :{

1516 -- let

1522 boolAnd

1523 :: expr1 (nullity 'PGbool)

1524 -- ^ what to aggregate

1525− -> aggr (nullity 'PGbool)

1525+ -> aggr ('Null 'PGbool)

1526

1527 -- | >>> :{

1528 -- let

1534 boolOr

1535 :: expr1(nullity 'PGbool)

1536 -- ^ what to aggregate

1537− -> aggr (nullity 'PGbool)

1537+ -> aggr ('Null 'PGbool)

1538

1539 -- | synonym for `boolAnd`

1540 --

1548 every

1549 :: expr1 (nullity 'PGbool)

1550 -- ^ what to aggregate

1551− -> aggr (nullity 'PGbool)

1551+ -> aggr ('Null 'PGbool)

1552

1553 -- | maximum value of expression across all input values

1554 max_

1555 :: expr1 (nullity ty)

1556 -- ^ what to maximize

1557− -> aggr (nullity ty)

1557+ -> aggr ('Null ty)

1558

1559 -- | minimum value of expression across all input values

1560 min_

1561 :: expr1 (nullity ty)

1562 -- ^ what to minimize

1563− -> aggr (nullity ty)

1563+ -> aggr ('Null ty)

1564

1565 -- | average aggregation

1566 avg

1567 :: expr1 (nullity ty)

1568 -- ^ what to average

1569− -> aggr (nullity (PGAvg ty))

1569+ -> aggr ('Null (PGAvg ty))

1570

1571 {- | correlation coefficient

1572 >>> :{

1579 -}

1580 corr

1581 :: expr2 (nullity 'PGfloat8)

1582− -> aggr (nullity 'PGfloat8)

1582+ -> aggr ('Null 'PGfloat8)

1583

1584 {- | population covariance

1585 >>> :{

1592 -}

1593 covarPop

1594 :: expr2 (nullity 'PGfloat8)

1595− -> aggr (nullity 'PGfloat8)

1595+ -> aggr ('Null 'PGfloat8)

1596

1597 {- | sample covariance

1598 >>> :{

1605 -}

1606 covarSamp

1607 :: expr2 (nullity 'PGfloat8)

1608− -> aggr (nullity 'PGfloat8)

1608+ -> aggr ('Null 'PGfloat8)

1609

1610 {- | average of the independent variable (sum(X)/N)

1611 >>> :{

1618 -}

1619 regrAvgX

1620 :: expr2 (nullity 'PGfloat8)

1621− -> aggr (nullity 'PGfloat8)

1621+ -> aggr ('Null 'PGfloat8)

1622

1623 {- | average of the dependent variable (sum(Y)/N)

1624 >>> :{

1631 -}

1632 regrAvgY

1633 :: expr2 (nullity 'PGfloat8)

1634− -> aggr (nullity 'PGfloat8)

1634+ -> aggr ('Null 'PGfloat8)

1635

1636 {- | number of input rows in which both expressions are nonnull

1637 >>> :{

1644 -}

1645 regrCount

1646 :: expr2 (nullity 'PGfloat8)

1647− -> aggr (nullity 'PGint8)

1647+ -> aggr ('Null 'PGint8)

1648

1649 {- | y-intercept of the least-squares-fit linear equation determined by the (X, Y) pairs

1650 >>> :{

1657 -}

1658 regrIntercept

1659 :: expr2 (nullity 'PGfloat8)

1660− -> aggr (nullity 'PGfloat8)

1660+ -> aggr ('Null 'PGfloat8)

1661

1662 -- | @regr_r2(Y, X)@, square of the correlation coefficient

1663 regrR2

1664 :: expr2 (nullity 'PGfloat8)

1665− -> aggr (nullity 'PGfloat8)

1665+ -> aggr ('Null 'PGfloat8)

1666

1667 -- | @regr_slope(Y, X)@, slope of the least-squares-fit linear equation

1668 -- determined by the (X, Y) pairs

1669 regrSlope

1670 :: expr2 (nullity 'PGfloat8)

1671− -> aggr (nullity 'PGfloat8)

1671+ -> aggr ('Null 'PGfloat8)

1672

1673 -- | @regr_sxx(Y, X)@, sum(X^2) - sum(X)^2/N

1674 -- (“sum of squares” of the independent variable)

1675 regrSxx

1676 :: expr2 (nullity 'PGfloat8)

1677− -> aggr (nullity 'PGfloat8)

1677+ -> aggr ('Null 'PGfloat8)

1678

1679 -- | @regr_sxy(Y, X)@, sum(X*Y) - sum(X) * sum(Y)/N

1680 -- (“sum of products” of independent times dependent variable)

1681 regrSxy

1682 :: expr2 (nullity 'PGfloat8)

1683− -> aggr (nullity 'PGfloat8)

1683+ -> aggr ('Null 'PGfloat8)

1684

1685 -- | @regr_syy(Y, X)@, sum(Y^2) - sum(Y)^2/N

1686 -- (“sum of squares” of the dependent variable)

1687 regrSyy

1688 :: expr2 (nullity 'PGfloat8)

1689− -> aggr (nullity 'PGfloat8)

1689+ -> aggr ('Null 'PGfloat8)

1690

1691 -- | historical alias for `stddevSamp`

1692 stddev

1693 :: expr1 (nullity ty)

1694− -> aggr (nullity (PGAvg ty))

1694+ -> aggr ('Null (PGAvg ty))

1695

1696 -- | population standard deviation of the input values

1697 stddevPop

1698 :: expr1 (nullity ty)

1699− -> aggr (nullity (PGAvg ty))

1699+ -> aggr ('Null (PGAvg ty))

1700

1701 -- | sample standard deviation of the input values

1702 stddevSamp

1703 :: expr1 (nullity ty)

1704− -> aggr (nullity (PGAvg ty))

1704+ -> aggr ('Null (PGAvg ty))

1705

1706 -- | historical alias for `varSamp`

1707 variance

1708 :: expr1 (nullity ty)

1709− -> aggr (nullity (PGAvg ty))

1709+ -> aggr ('Null (PGAvg ty))

1710

1711 -- | population variance of the input values

1712 -- (square of the population standard deviation)

1713 varPop

1714 :: expr1 (nullity ty)

1715− -> aggr (nullity (PGAvg ty))

1715+ -> aggr ('Null (PGAvg ty))

1716

1717 -- | sample variance of the input values

1718 -- (square of the sample standard deviation)

1719 varSamp

1720 :: expr1 (nullity ty)

1721− -> aggr (nullity (PGAvg ty))

1721+ -> aggr ('Null (PGAvg ty))

1722

1723{- |

1724`Distinction`s are used for the input of `Aggregate` `Expression`s.