From c4d6560f6f1e3c2d02ce6cb2f4aef0ac5a0f59d4 Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@gmail.com>
Date: Fri, 19 Mar 2021 20:53:42 +0100
Subject: [PATCH] [jOOQ/jOOQ#11660] Emulate CONNECT BY LEVEL < x - WIP

---
 .../java/org/jooq/impl/SelectQueryImpl.java   | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java b/jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java
index b6a0beaf2b..e3b8edd3c3 100644
--- a/jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java
@@ -117,6 +117,7 @@ import static org.jooq.impl.CommonTableExpressionList.markTopLevelCteAndAccept;
 import static org.jooq.impl.DSL.asterisk;
 import static org.jooq.impl.DSL.createTable;
 import static org.jooq.impl.DSL.falseCondition;
+import static org.jooq.impl.DSL.generateSeries;
 import static org.jooq.impl.DSL.groupingSets;
 import static org.jooq.impl.DSL.inline;
 import static org.jooq.impl.DSL.jsonArrayAgg;
@@ -124,6 +125,7 @@ import static org.jooq.impl.DSL.jsonObject;
 import static org.jooq.impl.DSL.jsonbArrayAgg;
 import static org.jooq.impl.DSL.jsonbObject;
 import static org.jooq.impl.DSL.key;
+// ...
 import static org.jooq.impl.DSL.name;
 import static org.jooq.impl.DSL.noCondition;
 import static org.jooq.impl.DSL.one;
@@ -138,6 +140,7 @@ import static org.jooq.impl.DSL.unquotedName;
 import static org.jooq.impl.DSL.xmlagg;
 import static org.jooq.impl.DSL.xmlattributes;
 import static org.jooq.impl.DSL.xmlelement;
+import static org.jooq.impl.Internal.isub;
 import static org.jooq.impl.JSONArrayAgg.EMULATE_WITH_GROUP_CONCAT;
 import static org.jooq.impl.JSONNull.NO_SUPPORT_ABSENT_ON_NULL;
 import static org.jooq.impl.Keywords.K_AND;
@@ -164,6 +167,8 @@ import static org.jooq.impl.Keywords.K_WHERE;
 import static org.jooq.impl.Keywords.K_WINDOW;
 import static org.jooq.impl.Keywords.K_WITH_CHECK_OPTION;
 import static org.jooq.impl.Keywords.K_WITH_READ_ONLY;
+import static org.jooq.impl.Names.N_DUAL;
+import static org.jooq.impl.Names.N_LEVEL;
 import static org.jooq.impl.QueryPartCollectionView.wrap;
 import static org.jooq.impl.SQLDataType.JSON;
 import static org.jooq.impl.SQLDataType.JSONB;
@@ -308,6 +313,8 @@ final class SelectQueryImpl<R extends Record> extends AbstractResultQuery<R> imp
 
 
 
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     private static final Set<SQLDialect> SUPPORT_FULL_WITH_TIES          = SQLDialect.supportedBy(H2, POSTGRES);
     private static final Set<SQLDialect> EMULATE_DISTINCT_ON             = SQLDialect.supportedBy(DERBY, FIREBIRD, HSQLDB, MARIADB, MYSQL, SQLITE);
     static final Set<SQLDialect>         NO_SUPPORT_FOR_UPDATE_OF_FIELDS = SQLDialect.supportedBy(MYSQL, POSTGRES);
@@ -1386,6 +1393,54 @@ final class SelectQueryImpl<R extends Record> extends AbstractResultQuery<R> imp
 
 
 
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@@ -1454,6 +1509,11 @@ final class SelectQueryImpl<R extends Record> extends AbstractResultQuery<R> imp
 
 
 
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