From 6bdaee9d4285c3f14ad4336138f8d73a968fcafa Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@gmail.com>
Date: Thu, 16 Jan 2020 14:09:47 +0100
Subject: [PATCH] [jOOQ/jOOQ#5181] [jOOQ/jOOQ#6314] Add Meta.getIndexes()

---
 jOOQ/src/main/java/org/jooq/Meta.java         |  9 +++++++
 .../main/java/org/jooq/impl/AbstractMeta.java | 24 +++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/jOOQ/src/main/java/org/jooq/Meta.java b/jOOQ/src/main/java/org/jooq/Meta.java
index 1032af30a2..767a99d140 100644
--- a/jOOQ/src/main/java/org/jooq/Meta.java
+++ b/jOOQ/src/main/java/org/jooq/Meta.java
@@ -205,6 +205,15 @@ public interface Meta extends Scope {
     @Support
     List<UniqueKey<?>> getPrimaryKeys() throws DataAccessException;
 
+    /**
+     * Get all indexes from the underlying meta data sources.
+     *
+     * @throws DataAccessException If something went wrong fetching the meta
+     *             objects
+     */
+    @Support
+    List<Index> getIndexes() throws DataAccessException;
+
     /**
      * Generate a creation script for the entire meta data.
      *
diff --git a/jOOQ/src/main/java/org/jooq/impl/AbstractMeta.java b/jOOQ/src/main/java/org/jooq/impl/AbstractMeta.java
index 42ae7b1bee..be90edc1f7 100644
--- a/jOOQ/src/main/java/org/jooq/impl/AbstractMeta.java
+++ b/jOOQ/src/main/java/org/jooq/impl/AbstractMeta.java
@@ -51,6 +51,7 @@ import java.util.Map;
 import org.jooq.Catalog;
 import org.jooq.Configuration;
 import org.jooq.DDLExportConfiguration;
+import org.jooq.Index;
 import org.jooq.Meta;
 import org.jooq.Name;
 import org.jooq.Named;
@@ -78,6 +79,7 @@ abstract class AbstractMeta extends AbstractScope implements Meta, Serializable
     private Map<Name, List<Table<?>>>    cachedUnqualifiedTables;
     private Map<Name, List<Sequence<?>>> cachedUnqualifiedSequences;
     private List<UniqueKey<?>>           cachedPrimaryKeys;
+    private List<Index>                  cachedIndexes;
 
     protected AbstractMeta(Configuration configuration) {
         super(configuration);
@@ -249,9 +251,31 @@ abstract class AbstractMeta extends AbstractScope implements Meta, Serializable
 
     protected List<UniqueKey<?>> getPrimaryKeys0() {
         List<UniqueKey<?>> result = new ArrayList<>();
+
         for (Table<?> table : getTables())
             if (table.getPrimaryKey() != null)
                 result.add(table.getPrimaryKey());
+
+        return result;
+    }
+
+    @Override
+    public final List<Index> getIndexes() {
+        initIndexes();
+        return Collections.unmodifiableList(cachedIndexes);
+    }
+
+    private final void initIndexes() {
+        if (cachedIndexes == null)
+            cachedIndexes = new ArrayList<>(getIndexes0());
+    }
+
+    protected List<Index> getIndexes0() {
+        List<Index> result = new ArrayList<>();
+
+        for (Table<?> table : getTables())
+            result.addAll(table.getIndexes());
+
         return result;
     }