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PRODUCT

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

The PRODUCT() aggregate function is an aggregate function that calculates the product of all values in the group, similar to how the SUM function calculates the sum.

SELECT product(ID)
FROM BOOK
create.select(product(BOOK.ID))
      .from(BOOK)

Producing:

+---------+
| product |
+---------+
|      24 |
+---------+

Dialect support

This example using jOOQ:

product(BOOK.ID)

Translates to the following dialect specific expressions:

Access

(SWITCH(sum(
  SWITCH(BOOK.ID = 0, 1)
) > 0, 0, (sum(
  SWITCH(BOOK.ID < 0, -1)
) MOD 2) < 0, -1, TRUE, 1) * exp(sum(log(abs(iif(BOOK.ID = 0, NULL, BOOK.ID))))))

ASE

(CASE
  WHEN sum(
    CASE BOOK.ID
      WHEN 0 THEN 1
    END
  ) > 0 THEN 0
  WHEN (sum(
    CASE
      WHEN BOOK.ID < 0 THEN -1
    END
  ) % 2) < 0 THEN -1
  ELSE 1
END * exp(sum(log(abs(nullif(BOOK.ID, 0))))))

Aurora MySQL, Aurora Postgres, BigQuery, ClickHouse, DB2, Firebird, H2, HSQLDB, Hana, MariaDB, MemSQL, MySQL, Oracle, Postgres, Snowflake, Sybase, Trino, Vertica, YugabyteDB

(CASE
  WHEN sum(
    CASE BOOK.ID
      WHEN 0 THEN 1
    END
  ) > 0 THEN 0
  WHEN mod(
    sum(
      CASE
        WHEN BOOK.ID < 0 THEN -1
      END
    ),
    2
  ) < 0 THEN -1
  ELSE 1
END * exp(sum(ln(abs(nullif(BOOK.ID, 0))))))

CockroachDB

(CASE
  WHEN sum(
    CASE BOOK.ID
      WHEN 0 THEN 1
    END
  ) > 0E0 THEN 0
  WHEN mod(
    sum(
      CASE
        WHEN BOOK.ID < 0 THEN -1
      END
    ),
    2
  ) < 0E0 THEN -1
  ELSE 1
END * exp(sum(ln(CAST(abs(nullif(BOOK.ID, 0)) AS numeric)))))

Derby

(CASE
  WHEN sum(
    CASE
      WHEN BOOK.ID = 0 THEN 1
    END
  ) > 0 THEN 0
  WHEN mod(
    sum(
      CASE
        WHEN BOOK.ID < 0 THEN -1
      END
    ),
    2
  ) < 0 THEN -1
  ELSE 1
END * exp(sum(ln(abs(nullif(BOOK.ID, 0))))))

DuckDB

product(BOOK.ID)

Exasol

mul(BOOK.ID)

Informix

(CASE
  WHEN sum(
    CASE BOOK.ID
      WHEN 0 THEN 1
    END
  ) > 0 THEN 0
  WHEN mod(
    sum(
      CASE
        WHEN BOOK.ID < 0 THEN -1
      END
    ),
    2
  ) < 0 THEN -1
  ELSE 1
END * exp(sum(logn(abs(nullif(BOOK.ID, 0))))))

Redshift

(CASE
  WHEN sum(
    CASE BOOK.ID
      WHEN 0 THEN 1
    END
  ) > 0 THEN 0
  WHEN (sum(
    CASE
      WHEN BOOK.ID < 0 THEN -1
    END
  ) % 2) < 0 THEN -1
  ELSE 1
END * exp(sum(ln(abs(nullif(BOOK.ID, 0))))))

SQLDataWarehouse, SQLServer

(CASE
  WHEN sum(
    CASE BOOK.ID
      WHEN 0 THEN 1
    END
  ) > CAST(0 AS decimal(1)) THEN 0
  WHEN (sum(
    CASE
      WHEN BOOK.ID < 0 THEN -1
    END
  ) % 2) < CAST(0 AS decimal(1)) THEN -1
  ELSE 1
END * exp(sum(log(abs(nullif(BOOK.ID, 0))))))

Teradata

(CASE
  WHEN sum(
    CASE BOOK.ID
      WHEN 0 THEN 1
    END
  ) > 0 THEN 0
  WHEN (sum(
    CASE
      WHEN BOOK.ID < 0 THEN -1
    END
  ) MOD 2) < 0 THEN -1
  ELSE 1
END * exp(sum(ln(abs(nullif(BOOK.ID, 0))))))

SQLite

/* UNSUPPORTED */
Generated with jOOQ 3.20. Translate your own SQL on our website

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