From d94fe16b9630b11dfd43394e26ada79f17e7f102 Mon Sep 17 00:00:00 2001
From: CrypthonicsException <crypthonics@gmail.com>
Date: Sun, 28 Nov 2021 14:43:29 +0300
Subject: [PATCH] Ex C error fixes

---
 project1/c.sql | 108 ++++++++++++++++++++++++++++++++++---------------
 1 file changed, 75 insertions(+), 33 deletions(-)

diff --git a/project1/c.sql b/project1/c.sql
index 70926c7..bfec916 100644
--- a/project1/c.sql
+++ b/project1/c.sql
@@ -69,6 +69,7 @@ DROP TABLE IF EXISTS temp_symmetry;
 DROP TABLE IF EXISTS tempRelations;
 
 -- exercise c (2)
+DROP TABLE IF EXISTS temp_clusters;
 CREATE TEMPORARY TABLE temp_clusters (id int, address int);
 
 INSERT INTO temp_clusters
@@ -83,50 +84,91 @@ CREATE TABLE max_value_by_entity (value bigint);
 CREATE TABLE min_addr_of_max_entity(addr int);
 CREATE TABLE max_tx_to_max_entity(tx_id int); 
 
-CREATE TEMPORARY TABLE temp_sum_values (id int, sum_values int);
+---- table for having utxos with tx_id, values, and addresses
+DROP TABLE IF EXISTS utxos_with_values;
+CREATE TEMPORARY TABLE utxos_with_values (output_id int, value bigint, address int, tx_id int);
+
+INSERT INTO utxos_with_values
+SELECT utxos.output_id, utxos.value, pk_id as address, tx_id
+FROM utxos
+INNER JOIN outputs
+USING (output_id);
+
+------------ Table for sum values of all addresses per id--------
+DROP TABLE IF EXISTS temp_sum_values;
+CREATE TEMPORARY TABLE temp_sum_values (id int, sum_values bigint);
 
 INSERT INTO temp_sum_values
 SELECT id, SUM(value) as sum_values
-FROM temp_clusters temp1 INNER JOIN (
-    SELECT utxos.value, pk_id
-    FROM utxos
-    INNER JOIN outputs
-    USING (output_id)
-) temp2
-ON temp1.address = temp2.pk_id
+FROM temp_clusters
+INNER JOIN utxos_with_values
+USING (address)
 GROUP BY id;
 
+----- Exercise 3 A
 INSERT INTO max_value_by_entity
 SELECT MAX(sum_values)
 FROM temp_sum_values;
 
+------ Table for putting max entity with its id, address and utxo values of these addresses
+DROP TABLE IF EXISTS temp_max_entity;
+CREATE TEMPORARY TABLE temp_max_entity (id int, address int, utxo_value bigint);
+
+INSERT INTO temp_max_entity
+SELECT id, address, value 
+FROM utxos_with_values as u
+INNER JOIN (
+    SELECT id, address 
+    FROM temp_clusters as tc
+    INNER JOIN (
+        SELECT id 
+        FROM temp_sum_values as t 
+        INNER JOIN max_value_by_entity as m 
+        ON t.sum_values = m.value
+    ) as j
+    USING (id)
+) as c
+USING (address);
+
+--- table for having max entity with all the corresponding addresses
+DROP TABLE IF EXISTS max_entity_all_addresses;
+CREATE TEMPORARY TABLE max_entity_all_addresses (id int, address int);
+
+INSERT INTO max_entity_all_addresses
+SELECT id, address 
+FROM temp_clusters
+WHERE id
+IN (
+    SELECT id
+    FROM temp_max_entity
+);
+
+--- Exercise 3 B
 INSERT INTO min_addr_of_max_entity
 SELECT MIN(address)
-FROM temp_clusters
-INNER JOIN (
-    SELECT id
-    FROM (
-        SELECT id, MAX(sum_values) as max_value
-        FROM temp_sum_values
-    ) as temp
-    WHERE temp.max_value = max_value_by_entity.value
-) as temp USING (id);
+FROM max_entity_all_addresses;
 
+
+--- Table for inserting the value of max tx to the entity
+DROP TABLE IF EXISTS max_tx_value_to_max_entity;
+CREATE TEMPORARY TABLE max_tx_value_to_max_entity (value bigint);
+
+WITH max_entity_join_outputs as (SELECT * 
+    FROM max_entity_all_addresses as m
+    INNER JOIN outputs
+    ON outputs.pk_id = m.address)
+INSERT INTO max_tx_value_to_max_entity
+SELECT MAX(value)
+FROM max_entity_join_outputs;
+
+--- Exercise 3 C
+
+WITH max_entity_join_outputs as (SELECT * 
+    FROM max_entity_all_addresses as m
+    INNER JOIN outputs
+    ON outputs.pk_id = m.address)
 INSERT INTO max_tx_to_max_entity
-SELECT tx_id 
-FROM outputs LEFT JOIN (
-    SELECT MAX(value) as value
-    FROM outputs LEFT JOIN (
-        SELECT address
-        FROM temp_clusters
-        INNER JOIN (
-            SELECT id
-            FROM (
-                SELECT id, MAX(sum_values) as max_value
-                FROM temp_sum_values
-            ) as temp
-            WHERE temp.max_value = max_value_by_entity.value
-        ) as join1 USING (id)
-    ) as temp1 ON outputs.pk_id = temp1.address
-) USING (value)
+SELECT tx_id
+FROM max_entity_join_outputs as m
+WHERE value IN (SELECT value FROM max_tx_value_to_max_entity);