[jOOQ/jOOQ#14046] Add support for MySQL's JSON_KEYS()

- Oracle support

jOOQ/src/main/java/org/jooq/impl/AbstractRoutine.java

@@ -2267,13 +2267,6 @@ implements
 
 
 
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             name = null;
 
             for (Parameter<?> parameter : getInParameters0(ctx.configuration())) {

jOOQ/src/main/java/org/jooq/impl/JSONBKeys.java

@@ -105,6 +105,14 @@ implements
                 ctx.visit(DSL.field(select(DSL.coalesce(jsonbArrayAgg(DSL.field(unquotedName("j"))), jsonbArray())).from("jsonb_object_keys({0}) as j(j)", field)));
                 break;
 
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             case SQLITE:
                 ctx.visit(DSL.field(select(jsonbArrayAgg(DSL.field(name("key")))).from("json_each({0})", field)));
                 break;

jOOQ/src/main/java/org/jooq/impl/JSONKeys.java

@@ -98,6 +98,11 @@ implements
             case YUGABYTEDB:
                 return false;
 
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             case SQLITE:
                 return false;
 
@@ -122,6 +127,14 @@ implements
                 ctx.visit(DSL.field(select(DSL.coalesce(jsonArrayAgg(DSL.field(unquotedName("j"))), jsonArray())).from("json_object_keys({0}) as j(j)", field)));
                 break;
 
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             case SQLITE:
                 ctx.visit(DSL.field(select(jsonArrayAgg(DSL.field(name("key")))).from("json_each({0})", field)));
                 break;

jOOQ/src/main/java/org/jooq/impl/OracleJSONKeys.java

@@ -0,0 +1,82 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Other licenses:
+ * -----------------------------------------------------------------------------
+ * Commercial licenses for this work are available. These replace the above
+ * ASL 2.0 and offer limited warranties, support, maintenance, and commercial
+ * database integrations.
+ *
+ * For more information, please visit: http://www.jooq.org/licenses
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+package org.jooq.impl;
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jOOQ/src/main/java/org/jooq/impl/TopLevelCte.java

@@ -38,8 +38,13 @@
 package org.jooq.impl;
 
 import static org.jooq.impl.CommonTableExpressionList.markTopLevelCteAndAccept;
+import static org.jooq.impl.Tools.SimpleDataKey.DATA_TOP_LEVEL_CTE;
+
+import java.util.function.Predicate;
+import java.util.function.Supplier;
 
 import org.jooq.Context;
+// ...
 import org.jooq.QueryPart;
 import org.jooq.impl.ScopeMarker.ScopeContent;
 
@@ -59,4 +64,26 @@ final class TopLevelCte extends QueryPartList<QueryPart> implements ScopeContent
     public final boolean declaresCTE() {
         return true;
     }
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 }