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[jOOQ/jOOQ#10459] Empty GROUP BY emulation stops working in HSQLDB 2.5.1

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This commit is contained in:
Lukas Eder 2020-07-29 13:24:46 +02:00
parent 1e1d3a7c91
commit a159800f89
1 changed files with 3 additions and 2 deletions
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jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java
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@ -247,7 +247,8 @@ final class SelectQueryImpl<R extends Record> extends AbstractResultQuery<R> imp
// [#7421] [#9832] We can eventually stop generating the FROM clause in newer versions of MariaDB and MySQL
private static final Set<SQLDialect> REQUIRES_FROM_CLAUSE = SQLDialect.supportedBy(CUBRID, DERBY, FIREBIRD, HSQLDB, MARIADB, MYSQL);
private static final Set<SQLDialect> REQUIRES_DERIVED_TABLE_DML = SQLDialect.supportedBy(MARIADB, MYSQL);
private static final Set<SQLDialect> EMULATE_EMPTY_GROUP_BY_OTHER = SQLDialect.supportedUntil(FIREBIRD, HSQLDB, MARIADB, MYSQL, SQLITE);
private static final Set<SQLDialect> EMULATE_EMPTY_GROUP_BY_CONSTANT = SQLDialect.supportedUntil(DERBY, HSQLDB);
private static final Set<SQLDialect> EMULATE_EMPTY_GROUP_BY_OTHER = SQLDialect.supportedUntil(FIREBIRD, MARIADB, MYSQL, SQLITE);
private static final Set<SQLDialect> SUPPORT_FULL_WITH_TIES = SQLDialect.supportedBy(H2);
@ -1763,7 +1764,7 @@ final class SelectQueryImpl<R extends Record> extends AbstractResultQuery<R> imp
// [#4292] Some dialects accept constant expressions in GROUP BY
// Note that dialects may consider constants as indexed field
// references, as in the ORDER BY clause!
if (family == DERBY)
if (EMULATE_EMPTY_GROUP_BY_CONSTANT.contains(context.dialect()))
context.sql('0');
// [#4447] CUBRID can't handle subqueries in GROUP BY