github/jooq
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[jOOQ/jOOQ#13639] Handle to-many paths in DML

Browse Source
This commit is contained in:
Lukas Eder 2023-10-25 11:50:37 +02:00
parent 1be3ccee42
commit 8e28aac4c2
1 changed files with 12 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
jOOQ/src/main/java/org/jooq/impl/TableFieldImpl.java
View File

@ -56,6 +56,7 @@ import java.util.stream.Stream;
import org.jooq.Binding;
import org.jooq.Clause;
import org.jooq.Comment;
import org.jooq.Condition;
import org.jooq.Context;
import org.jooq.DMLQuery;
import org.jooq.DataType;
@ -183,17 +184,23 @@ implements
// DML statement can be generated normally.
&& (!ctx.subquery() || root.equals(ctx.data(SimpleDataKey.DATA_DML_TARGET_TABLE)))
) {
TableImpl<?> t = (TableImpl<?>) table;
// [#7508] MySQL supports UPDATE .. JOIN, so the default implicit
// JOIN emulation works out of the box.
if (ctx.topLevelForLanguageContext() instanceof Update && !NO_SUPPORT_UPDATE_JOIN.contains(ctx.dialect())) {
// [#7508] MySQL supports UPDATE .. JOIN, so the default implicit
// JOIN emulation works out of the box.
// [#13639] But do this for to-one paths only
if (ctx.topLevelForLanguageContext() instanceof Update
&& !NO_SUPPORT_UPDATE_JOIN.contains(ctx.dialect())
&& t.childPath != null) {
accept1(ctx);
}
else {
TableImpl<?> t = (TableImpl<?>) table;
Table<?> parent = t.alias.wrapped;
Field<T> parentField = parent.field(this);
ctx.visit(DSL.field(select(parentField).from(parent).where(JoinTable.onKey0(t.childPath, t.path, parent))));
Condition c = t.childPath != null
? JoinTable.onKey0(t.childPath, t.path, parent)
: JoinTable.onKey0(t.parentPath.getForeignKey(), parent, t.path);
ctx.visit(DSL.field(select(parentField).from(parent).where(c)));
}
}
else