From b60b575069619507015f390c8c86b2f1345f2bd5 Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@gmail.com>
Date: Sun, 22 Jul 2012 13:01:42 +0200
Subject: [PATCH] [#727] Simulate RPAD and LPAD in SQLite - Some improvements
 to support padding by more than one character

---
 jOOQ/src/main/java/org/jooq/impl/Lpad.java | 15 +++++++++++++--
 jOOQ/src/main/java/org/jooq/impl/Rpad.java | 15 +++++++++++++--
 2 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/jOOQ/src/main/java/org/jooq/impl/Lpad.java b/jOOQ/src/main/java/org/jooq/impl/Lpad.java
index d24921c353..822bd94a12 100644
--- a/jOOQ/src/main/java/org/jooq/impl/Lpad.java
+++ b/jOOQ/src/main/java/org/jooq/impl/Lpad.java
@@ -79,9 +79,20 @@ class Lpad extends AbstractFunction<String> {
             // This beautiful expression was contributed by "Ludo", here:
             // http://stackoverflow.com/questions/6576343/how-to-simulate-lpad-rpad-with-sqlite
             case SQLITE: {
-                return Factory.field("replace(replace(substr(quote(zeroblob(({0} + 1) / 2)), 3, ({1} - length({2}))), '''', ''), '0', {3}) || {4}",
+                return Factory.field(
+                    "substr(" +
+                      "replace(" +
+                        "replace(" +
+                          "substr(" +
+                            "quote(" +
+                              "zeroblob((({0} - length({1}) - 1 + length({2})) / length({3}) + 1) / 2)" +
+                            "), 3" +
+                          "), '''', ''" +
+                        "), '0', {4}" +
+                      "), 1, ({5} - length({6}))" +
+                    ") || {7}",
                     String.class,
-                    length, length, field, character, field);
+                    length, field, character, character, character, length, field, field);
             }
 
             default: {
diff --git a/jOOQ/src/main/java/org/jooq/impl/Rpad.java b/jOOQ/src/main/java/org/jooq/impl/Rpad.java
index 2b97e1afdd..80a4c6d3d9 100644
--- a/jOOQ/src/main/java/org/jooq/impl/Rpad.java
+++ b/jOOQ/src/main/java/org/jooq/impl/Rpad.java
@@ -79,9 +79,20 @@ class Rpad extends AbstractFunction<String> {
             // This beautiful expression was contributed by "Ludo", here:
             // http://stackoverflow.com/questions/6576343/how-to-simulate-lpad-rpad-with-sqlite
             case SQLITE: {
-                return Factory.field("{0} || replace(replace(substr(quote(zeroblob(({1} + 1) / 2)), 3, ({2} - length({3}))), '''', ''), '0', {4})",
+                return Factory.field(
+                    "{0} || substr(" +
+                             "replace(" +
+                               "replace(" +
+                                 "substr(" +
+                                   "quote(" +
+                                     "zeroblob((({1} - length({2}) - 1 + length({3})) / length({4}) + 1) / 2)" +
+                                   "), 3" +
+                                 "), '''', ''" +
+                               "), '0', {5}" +
+                             "), 1, ({6} - length({7}))" +
+                           ")",
                     String.class,
-                    field, length, length, field, character);
+                    field, length, field, character, character, character, length, field);
             }