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[jOOQ/jOOQ#8519] Add native support for H2 JOIN .. USING syntax

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This commit is contained in:
Lukas Eder 2020-04-01 16:52:38 +02:00
parent 7a041c7924
commit 3dda5301aa
1 changed files with 21 additions and 19 deletions
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40
jOOQ/src/main/java/org/jooq/impl/JoinTable.java
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@ -156,7 +156,10 @@ implements
private static final Set<SQLDialect> EMULATE_NATURAL_JOIN = SQLDialect.supportedBy(CUBRID);
private static final Set<SQLDialect> EMULATE_NATURAL_OUTER_JOIN = SQLDialect.supportedBy(CUBRID, H2);
private static final Set<SQLDialect> EMULATE_JOIN_USING = SQLDialect.supportedBy(CUBRID, H2);
private static final Set<SQLDialect> EMULATE_APPLY = SQLDialect.supportedBy(POSTGRES);
final Table<?> lhs;
@ -453,27 +456,26 @@ implements
private final void toSQLJoinCondition(Context<?> context) {
if (!using.isEmpty()) {
boolean qualify = context.qualify();
// [#582] Some dialects don't explicitly support a JOIN .. USING
// syntax. This can be emulated with JOIN .. ON
if (EMULATE_JOIN_USING.contains(context.family())) {
toSQLJoinCondition(context, usingCondition());
}
// Native supporters of JOIN .. USING
else {
boolean qualify = context.qualify();
context.formatSeparator()
.start(TABLE_JOIN_USING)
.visit(K_USING)
.sql(" (")
.qualify(false)
.visit(wrap(using).indentSize(0))
.qualify(qualify)
.sql(')')
.end(TABLE_JOIN_USING);
}
context.formatSeparator()
.start(TABLE_JOIN_USING)
.visit(K_USING)
.sql(" (")
.qualify(false)
.visit(wrap(using).indentSize(0))
.qualify(qualify)
.sql(')')
.end(TABLE_JOIN_USING);
}
// [#577] If any NATURAL JOIN syntax needs to be emulated, find out