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BOOL_OR

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

The BOOL_OR() aggregate function calculates the boolean disjunction of all the boolean values in the aggregated group. In other words, this is:

  • FALSE if the argument is FALSE for every row in the group.
  • TRUE if at the argument is TRUE for at least one row in the group.

As with most aggregate functions, NULL values are not aggregated, so three valued logic does not apply here.

SELECT 
  bool_or(ID >= 4),
  bool_or(ID >= 5)
FROM BOOK
create.select(
         boolOr(BOOK.ID.ge(4)),
         boolOr(BOOK.ID.ge(5)))
      .from(BOOK)

Producing:

+---------+---------+
| bool_or | bool_or |
+---------+---------+
| true    | false   |  
+---------+---------+

Dialect support

This example using jOOQ:

boolOr(BOOK.ID.ge(4))

Translates to the following dialect specific expressions:

-- ACCESS
(max(SWITCH(BOOK.ID >= 4, 1, TRUE, 0)) = 1)

-- ASE, DB2, FIREBIRD, HANA, ORACLE, SQLDATAWAREHOUSE, SQLSERVER, SYBASE
CASE WHEN max(CASE WHEN BOOK.ID >= 4 THEN 1 ELSE 0 END) = 1 THEN 1 WHEN NOT (max(CASE WHEN BOOK.ID >= 4 THEN 1 ELSE 0 END) = 1) THEN 0 END

-- AURORA_MYSQL, DERBY, H2, HSQLDB, INFORMIX, MARIADB, MEMSQL, MYSQL, REDSHIFT, SQLITE, TERADATA, VERTICA
(max(CASE WHEN BOOK.ID >= 4 THEN 1 ELSE 0 END) = 1)

-- AURORA_POSTGRES, COCKROACHDB, POSTGRES
bool_or((BOOK.ID >= 4))

-- CUBRID, INGRES
CASE WHEN max(CASE WHEN BOOK.ID >= 4 THEN 1 ELSE 0 END) = 1 THEN TRUE WHEN NOT (max(CASE WHEN BOOK.ID >= 4 THEN 1 ELSE 0 END) = 1) THEN FALSE END

(These are currently generated with jOOQ 3.14, see #10141)

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