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[jOOQ/jOOQ#14310] More emulations where not supported

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This commit is contained in:
Lukas Eder 2022-11-29 17:28:50 +01:00
parent 8124b68b50
commit 73fc651277
1 changed files with 9 additions and 4 deletions
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13
jOOQ/src/main/java/org/jooq/impl/Alias.java
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@ -52,6 +52,7 @@ import static org.jooq.Clause.TABLE_REFERENCE;
// ...
// ...
import static org.jooq.SQLDialect.CUBRID;
// ...
import static org.jooq.SQLDialect.DERBY;
import static org.jooq.SQLDialect.FIREBIRD;
import static org.jooq.SQLDialect.H2;
@ -118,6 +119,7 @@ final class Alias<Q extends QueryPart> extends AbstractQueryPart implements UEmp
private static final Clause[] CLAUSES_TABLE_ALIAS = { TABLE, TABLE_ALIAS };
private static final Clause[] CLAUSES_FIELD_REFERENCE = { FIELD, FIELD_REFERENCE };
private static final Clause[] CLAUSES_FIELD_ALIAS = { FIELD, FIELD_ALIAS };
private static final Set<SQLDialect> NO_SUPPORT_ALIASED_JOIN_TABLES = SQLDialect.supportedBy(DERBY, FIREBIRD, MARIADB, MYSQL);
private static final Set<SQLDialect> SUPPORT_AS_REQUIRED = SQLDialect.supportedBy(DERBY, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE, YUGABYTEDB);
private static final Set<SQLDialect> SUPPORT_DERIVED_COLUMN_NAMES_SPECIAL1 = SQLDialect.supportedBy(CUBRID, FIREBIRD, MYSQL);
private static final Set<SQLDialect> SUPPORT_DERIVED_COLUMN_NAMES_SPECIAL2 = SQLDialect.supportedUntil(IGNITE, MARIADB, SQLITE);
@ -175,9 +177,9 @@ final class Alias<Q extends QueryPart> extends AbstractQueryPart implements UEmp
// makes sense. The below declareAliases(false) call was
// added for cases where x.as("a").as("b") leaks into the
// expression tree, to prevent doubly declaring an alias.
boolean supportsNestedAliases = wrapped instanceof JoinTable;
boolean aliasedJoinTable = wrapped instanceof JoinTable;
if (!supportsNestedAliases)
if (!aliasedJoinTable)
ctx.declareAliases(false);
@ -194,7 +196,7 @@ final class Alias<Q extends QueryPart> extends AbstractQueryPart implements UEmp
acceptDeclareAliasStandard(ctx);
if (!supportsNestedAliases)
if (!aliasedJoinTable)
ctx.declareAliases(true);
}
else
@ -412,7 +414,10 @@ final class Alias<Q extends QueryPart> extends AbstractQueryPart implements UEmp
else
ctx.sql('(');
ctx.visit(wrapped);
if (nestedJoinTable && NO_SUPPORT_ALIASED_JOIN_TABLES.contains(ctx.dialect()))
ctx.visit(select(asterisk()).from((Table<?>) wrapped));
else
ctx.visit(wrapped);
if (wrap)
if (nestedJoinTable)