From cc9c0c7eeb2778fbc2ebf455a79054359364809b Mon Sep 17 00:00:00 2001
From: Marcin Ickiewicz <mickiewicz@syncad.com>
Date: Thu, 29 Oct 2020 10:56:23 +0100
Subject: [PATCH] issue #87: net_votes and total_votes are calculated during
sync
---
hive/db/schema.py | 4 +++-
hive/db/sql_scripts/hive_posts_view.sql | 18 ++----------------
hive/db/sql_scripts/update_posts_rshares.sql | 15 ++++++++++++++-
3 files changed, 19 insertions(+), 18 deletions(-)
diff --git a/hive/db/schema.py b/hive/db/schema.py
index a1fc3ec4c..7d7b2187b 100644
--- a/hive/db/schema.py
+++ b/hive/db/schema.py
@@ -115,6 +115,8 @@ def build_metadata():
sa.Column('abs_rshares', sa.Numeric, nullable=False, server_default='0'),
sa.Column('vote_rshares', sa.Numeric, nullable=False, server_default='0'),
sa.Column('total_vote_weight', sa.Numeric, nullable=False, server_default='0'),
+ sa.Column('total_votes', sa.BigInteger, nullable=False, server_default='0'),
+ sa.Column('net_votes', sa.BigInteger, nullable=False, server_default='0'),
sa.Column('active', sa.DateTime, nullable=False, server_default='1970-01-01 00:00:00'),
sa.Column('cashout_time', sa.DateTime, nullable=False, server_default='1970-01-01 00:00:00'),
sa.Column('percent_hbd', sa.Integer, nullable=False, server_default='10000'),
@@ -203,7 +205,7 @@ def build_metadata():
sa.Index('hive_votes_voter_id_post_id_idx', 'voter_id', 'post_id'), # probably this index is redundant to hive_votes_voter_id_last_update_idx because of starting voter_id.
sa.Index('hive_votes_voter_id_last_update_idx', 'voter_id', 'last_update'), # this index is critical for hive_accounts_info_view performance
sa.Index('hive_votes_post_id_voter_id_idx', 'post_id', 'voter_id'),
- sa.Index('hive_votes_block_num_idx', 'block_num') # this is also important for hive_accounts_info_view
+ sa.Index('hive_votes_block_num_idx', 'block_num') # this is also important for hive_accounts_info_view
)
sa.Table(
diff --git a/hive/db/sql_scripts/hive_posts_view.sql b/hive/db/sql_scripts/hive_posts_view.sql
index 537b1bdb9..008a04230 100644
--- a/hive/db/sql_scripts/hive_posts_view.sql
+++ b/hive/db/sql_scripts/hive_posts_view.sql
@@ -32,22 +32,8 @@ SELECT hp.id,
hp.updated_at,
hp.vote_rshares AS rshares,
hp.abs_rshares AS abs_rshares,
- COALESCE(
- (
- SELECT COUNT( 1 )
- FROM hive_votes v
- WHERE v.post_id = hp.id AND v.is_effective
- GROUP BY v.post_id
- ), 0
- ) AS total_votes,
- COALESCE(
- (
- SELECT SUM( CASE v.rshares > 0 WHEN True THEN 1 ELSE -1 END )
- FROM hive_votes v
- WHERE v.post_id = hp.id AND NOT v.rshares = 0
- GROUP BY v.post_id
- ), 0
- ) AS net_votes,
+ hp.total_votes AS total_votes,
+ hp.net_votes as net_votes,
hpd.json,
ha_a.reputation AS author_rep,
hp.is_hidden,
diff --git a/hive/db/sql_scripts/update_posts_rshares.sql b/hive/db/sql_scripts/update_posts_rshares.sql
index d93373ddd..98210253c 100644
--- a/hive/db/sql_scripts/update_posts_rshares.sql
+++ b/hive/db/sql_scripts/update_posts_rshares.sql
@@ -17,12 +17,20 @@ SET
, vote_rshares = votes_rshares.rshares
, sc_hot = CASE hp.is_paidout WHEN True Then 0 ELSE calculate_hot( votes_rshares.rshares, hp.created_at) END
, sc_trend = CASE hp.is_paidout WHEN True Then 0 ELSE calculate_tranding( votes_rshares.rshares, hp.created_at) END
+ , total_votes = votes_rshares.total_votes
+ , net_votes = votes_rshares.net_votes
FROM
(
SELECT
hv.post_id
, SUM( hv.rshares ) as rshares
, SUM( ABS( hv.rshares ) ) as abs_rshares
+ , SUM( CASE hv.is_effective WHEN True THEN 1 ELSE 0 END ) as total_votes
+ , SUM( CASE
+ WHEN hv.rshares > 0 THEN 1
+ WHEN hv.rshares = 0 THEN 0
+ ELSE -1
+ END ) as net_votes
FROM hive_votes hv
WHERE EXISTS
(
@@ -33,7 +41,12 @@ FROM
GROUP BY hv.post_id
) as votes_rshares
WHERE hp.id = votes_rshares.post_id
-AND (hp.abs_rshares != votes_rshares.abs_rshares OR hp.vote_rshares != votes_rshares.rshares);
+AND (
+ hp.abs_rshares != votes_rshares.abs_rshares
+ OR hp.vote_rshares != votes_rshares.rshares
+ OR hp.total_votes != votes_rshares.total_votes
+ OR hp.net_votes != votes_rshares.net_votes
+);
RESET work_mem;
RESET enable_seqscan;
END;
--
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